./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--mmc--card--mmc_test.ko.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version b5237d83 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40615cbb-3e7b-4786-bc3d-609b51dfa9df/bin/utaipan-g80aRyZoba/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40615cbb-3e7b-4786-bc3d-609b51dfa9df/bin/utaipan-g80aRyZoba/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40615cbb-3e7b-4786-bc3d-609b51dfa9df/bin/utaipan-g80aRyZoba/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40615cbb-3e7b-4786-bc3d-609b51dfa9df/bin/utaipan-g80aRyZoba/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40615cbb-3e7b-4786-bc3d-609b51dfa9df/bin/utaipan-g80aRyZoba/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40615cbb-3e7b-4786-bc3d-609b51dfa9df/bin/utaipan-g80aRyZoba --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 78dc70726790e77f363f3f534b507edaca1714cde97bc3b7cdeb338176ca8d88 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-b5237d8 [2022-11-22 01:09:55,554 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-22 01:09:55,556 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-22 01:09:55,583 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-22 01:09:55,596 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-22 01:09:55,600 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-22 01:09:55,603 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-22 01:09:55,606 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-22 01:09:55,609 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-22 01:09:55,615 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-22 01:09:55,616 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-22 01:09:55,619 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-22 01:09:55,619 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-22 01:09:55,624 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-22 01:09:55,625 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-22 01:09:55,627 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-22 01:09:55,628 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-22 01:09:55,629 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-22 01:09:55,630 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-22 01:09:55,637 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-22 01:09:55,638 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-22 01:09:55,640 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-22 01:09:55,642 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-22 01:09:55,643 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-22 01:09:55,651 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-22 01:09:55,651 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-22 01:09:55,651 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-22 01:09:55,653 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-22 01:09:55,654 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-22 01:09:55,656 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-22 01:09:55,656 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-22 01:09:55,657 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-22 01:09:55,658 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-22 01:09:55,660 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-22 01:09:55,660 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-22 01:09:55,661 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-22 01:09:55,662 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-22 01:09:55,662 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-22 01:09:55,662 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-22 01:09:55,663 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-22 01:09:55,664 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-22 01:09:55,665 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40615cbb-3e7b-4786-bc3d-609b51dfa9df/bin/utaipan-g80aRyZoba/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-11-22 01:09:55,706 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-22 01:09:55,707 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-22 01:09:55,707 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-22 01:09:55,708 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-22 01:09:55,708 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-22 01:09:55,709 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-22 01:09:55,709 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-22 01:09:55,709 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-22 01:09:55,709 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-22 01:09:55,709 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-22 01:09:55,710 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-22 01:09:55,711 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-22 01:09:55,711 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-22 01:09:55,711 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-22 01:09:55,711 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-22 01:09:55,712 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-22 01:09:55,712 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-22 01:09:55,712 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-22 01:09:55,713 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-22 01:09:55,713 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-22 01:09:55,713 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-22 01:09:55,713 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-22 01:09:55,714 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-22 01:09:55,714 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-22 01:09:55,714 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-22 01:09:55,714 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-22 01:09:55,714 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-22 01:09:55,715 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-22 01:09:55,715 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-22 01:09:55,715 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-22 01:09:55,715 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-22 01:09:55,716 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-22 01:09:55,716 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-22 01:09:55,716 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-22 01:09:55,716 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-22 01:09:55,716 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-22 01:09:55,717 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-22 01:09:55,717 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-22 01:09:55,717 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40615cbb-3e7b-4786-bc3d-609b51dfa9df/bin/utaipan-g80aRyZoba/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40615cbb-3e7b-4786-bc3d-609b51dfa9df/bin/utaipan-g80aRyZoba Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 78dc70726790e77f363f3f534b507edaca1714cde97bc3b7cdeb338176ca8d88 [2022-11-22 01:09:56,044 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-22 01:09:56,070 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-22 01:09:56,072 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-22 01:09:56,073 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-22 01:09:56,079 INFO L275 PluginConnector]: CDTParser initialized [2022-11-22 01:09:56,080 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40615cbb-3e7b-4786-bc3d-609b51dfa9df/bin/utaipan-g80aRyZoba/../../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i [2022-11-22 01:09:59,081 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-22 01:09:59,752 INFO L351 CDTParser]: Found 1 translation units. [2022-11-22 01:09:59,752 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40615cbb-3e7b-4786-bc3d-609b51dfa9df/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i [2022-11-22 01:09:59,818 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40615cbb-3e7b-4786-bc3d-609b51dfa9df/bin/utaipan-g80aRyZoba/data/80cfdbd93/9f0de1ce47594ca094ce7d932b971826/FLAG49462c093 [2022-11-22 01:09:59,836 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40615cbb-3e7b-4786-bc3d-609b51dfa9df/bin/utaipan-g80aRyZoba/data/80cfdbd93/9f0de1ce47594ca094ce7d932b971826 [2022-11-22 01:09:59,840 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-22 01:09:59,842 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-22 01:09:59,845 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-22 01:09:59,846 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-22 01:09:59,849 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-22 01:09:59,851 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 01:09:59" (1/1) ... [2022-11-22 01:09:59,852 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4e3c312f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:09:59, skipping insertion in model container [2022-11-22 01:09:59,852 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 01:09:59" (1/1) ... [2022-11-22 01:09:59,860 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-22 01:10:00,047 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-22 01:10:04,476 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40615cbb-3e7b-4786-bc3d-609b51dfa9df/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[439117,439130] [2022-11-22 01:10:04,480 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40615cbb-3e7b-4786-bc3d-609b51dfa9df/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[439262,439275] [2022-11-22 01:10:04,481 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40615cbb-3e7b-4786-bc3d-609b51dfa9df/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[439408,439421] [2022-11-22 01:10:04,482 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40615cbb-3e7b-4786-bc3d-609b51dfa9df/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[439573,439586] [2022-11-22 01:10:04,482 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40615cbb-3e7b-4786-bc3d-609b51dfa9df/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[439731,439744] [2022-11-22 01:10:04,483 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40615cbb-3e7b-4786-bc3d-609b51dfa9df/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[439889,439902] [2022-11-22 01:10:04,483 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40615cbb-3e7b-4786-bc3d-609b51dfa9df/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[440047,440060] [2022-11-22 01:10:04,484 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40615cbb-3e7b-4786-bc3d-609b51dfa9df/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[440207,440220] [2022-11-22 01:10:04,484 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40615cbb-3e7b-4786-bc3d-609b51dfa9df/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[440366,440379] [2022-11-22 01:10:04,485 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40615cbb-3e7b-4786-bc3d-609b51dfa9df/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[440505,440518] [2022-11-22 01:10:04,485 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40615cbb-3e7b-4786-bc3d-609b51dfa9df/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[440647,440660] [2022-11-22 01:10:04,486 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40615cbb-3e7b-4786-bc3d-609b51dfa9df/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[440796,440809] [2022-11-22 01:10:04,486 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40615cbb-3e7b-4786-bc3d-609b51dfa9df/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[440935,440948] [2022-11-22 01:10:04,487 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40615cbb-3e7b-4786-bc3d-609b51dfa9df/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[441090,441103] [2022-11-22 01:10:04,487 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40615cbb-3e7b-4786-bc3d-609b51dfa9df/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[441250,441263] [2022-11-22 01:10:04,488 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40615cbb-3e7b-4786-bc3d-609b51dfa9df/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[441401,441414] [2022-11-22 01:10:04,488 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40615cbb-3e7b-4786-bc3d-609b51dfa9df/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[441552,441565] [2022-11-22 01:10:04,489 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40615cbb-3e7b-4786-bc3d-609b51dfa9df/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[441704,441717] [2022-11-22 01:10:04,489 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40615cbb-3e7b-4786-bc3d-609b51dfa9df/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[441853,441866] [2022-11-22 01:10:04,490 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40615cbb-3e7b-4786-bc3d-609b51dfa9df/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[442001,442014] [2022-11-22 01:10:04,490 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40615cbb-3e7b-4786-bc3d-609b51dfa9df/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[442158,442171] [2022-11-22 01:10:04,491 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40615cbb-3e7b-4786-bc3d-609b51dfa9df/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[442307,442320] [2022-11-22 01:10:04,491 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40615cbb-3e7b-4786-bc3d-609b51dfa9df/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[442463,442476] [2022-11-22 01:10:04,492 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40615cbb-3e7b-4786-bc3d-609b51dfa9df/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[442616,442629] [2022-11-22 01:10:04,492 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40615cbb-3e7b-4786-bc3d-609b51dfa9df/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[442762,442775] [2022-11-22 01:10:04,493 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40615cbb-3e7b-4786-bc3d-609b51dfa9df/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[442905,442918] [2022-11-22 01:10:04,493 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40615cbb-3e7b-4786-bc3d-609b51dfa9df/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[443057,443070] [2022-11-22 01:10:04,496 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40615cbb-3e7b-4786-bc3d-609b51dfa9df/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[443203,443216] [2022-11-22 01:10:04,497 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40615cbb-3e7b-4786-bc3d-609b51dfa9df/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[443348,443361] [2022-11-22 01:10:04,497 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40615cbb-3e7b-4786-bc3d-609b51dfa9df/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[443502,443515] [2022-11-22 01:10:04,498 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40615cbb-3e7b-4786-bc3d-609b51dfa9df/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[443653,443666] [2022-11-22 01:10:04,499 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40615cbb-3e7b-4786-bc3d-609b51dfa9df/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[443808,443821] [2022-11-22 01:10:04,499 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40615cbb-3e7b-4786-bc3d-609b51dfa9df/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[443960,443973] [2022-11-22 01:10:04,500 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40615cbb-3e7b-4786-bc3d-609b51dfa9df/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[444115,444128] [2022-11-22 01:10:04,501 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40615cbb-3e7b-4786-bc3d-609b51dfa9df/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[444279,444292] [2022-11-22 01:10:04,501 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40615cbb-3e7b-4786-bc3d-609b51dfa9df/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[444435,444448] [2022-11-22 01:10:04,502 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40615cbb-3e7b-4786-bc3d-609b51dfa9df/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[444599,444612] [2022-11-22 01:10:04,503 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40615cbb-3e7b-4786-bc3d-609b51dfa9df/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[444741,444754] [2022-11-22 01:10:04,504 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40615cbb-3e7b-4786-bc3d-609b51dfa9df/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[444899,444912] [2022-11-22 01:10:04,504 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40615cbb-3e7b-4786-bc3d-609b51dfa9df/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[445066,445079] [2022-11-22 01:10:04,505 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40615cbb-3e7b-4786-bc3d-609b51dfa9df/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[445225,445238] [2022-11-22 01:10:04,505 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40615cbb-3e7b-4786-bc3d-609b51dfa9df/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[445384,445397] [2022-11-22 01:10:04,506 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40615cbb-3e7b-4786-bc3d-609b51dfa9df/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[445533,445546] [2022-11-22 01:10:04,507 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40615cbb-3e7b-4786-bc3d-609b51dfa9df/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[445680,445693] [2022-11-22 01:10:04,507 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40615cbb-3e7b-4786-bc3d-609b51dfa9df/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[445819,445832] [2022-11-22 01:10:04,508 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40615cbb-3e7b-4786-bc3d-609b51dfa9df/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[445982,445995] [2022-11-22 01:10:04,508 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40615cbb-3e7b-4786-bc3d-609b51dfa9df/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[446148,446161] [2022-11-22 01:10:04,510 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40615cbb-3e7b-4786-bc3d-609b51dfa9df/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[446312,446325] [2022-11-22 01:10:04,510 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40615cbb-3e7b-4786-bc3d-609b51dfa9df/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[446477,446490] [2022-11-22 01:10:04,511 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40615cbb-3e7b-4786-bc3d-609b51dfa9df/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[446642,446655] [2022-11-22 01:10:04,511 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40615cbb-3e7b-4786-bc3d-609b51dfa9df/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[446808,446821] [2022-11-22 01:10:04,512 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40615cbb-3e7b-4786-bc3d-609b51dfa9df/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[446973,446986] [2022-11-22 01:10:04,512 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40615cbb-3e7b-4786-bc3d-609b51dfa9df/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[447140,447153] [2022-11-22 01:10:04,513 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40615cbb-3e7b-4786-bc3d-609b51dfa9df/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[447300,447313] [2022-11-22 01:10:04,513 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40615cbb-3e7b-4786-bc3d-609b51dfa9df/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[447462,447475] [2022-11-22 01:10:04,514 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40615cbb-3e7b-4786-bc3d-609b51dfa9df/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[447621,447634] [2022-11-22 01:10:04,514 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40615cbb-3e7b-4786-bc3d-609b51dfa9df/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[447767,447780] [2022-11-22 01:10:04,514 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40615cbb-3e7b-4786-bc3d-609b51dfa9df/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[447910,447923] [2022-11-22 01:10:04,515 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40615cbb-3e7b-4786-bc3d-609b51dfa9df/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[448054,448067] [2022-11-22 01:10:04,515 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40615cbb-3e7b-4786-bc3d-609b51dfa9df/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[448197,448210] [2022-11-22 01:10:04,516 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40615cbb-3e7b-4786-bc3d-609b51dfa9df/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[448341,448354] [2022-11-22 01:10:04,517 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40615cbb-3e7b-4786-bc3d-609b51dfa9df/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[448482,448495] [2022-11-22 01:10:04,517 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40615cbb-3e7b-4786-bc3d-609b51dfa9df/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[448620,448633] [2022-11-22 01:10:04,523 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40615cbb-3e7b-4786-bc3d-609b51dfa9df/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[448778,448791] [2022-11-22 01:10:04,524 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40615cbb-3e7b-4786-bc3d-609b51dfa9df/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[448937,448950] [2022-11-22 01:10:04,524 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40615cbb-3e7b-4786-bc3d-609b51dfa9df/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[449093,449106] [2022-11-22 01:10:04,526 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40615cbb-3e7b-4786-bc3d-609b51dfa9df/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[449242,449255] [2022-11-22 01:10:04,526 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40615cbb-3e7b-4786-bc3d-609b51dfa9df/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[449394,449407] [2022-11-22 01:10:04,527 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40615cbb-3e7b-4786-bc3d-609b51dfa9df/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[449545,449558] [2022-11-22 01:10:04,528 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40615cbb-3e7b-4786-bc3d-609b51dfa9df/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[449694,449707] [2022-11-22 01:10:04,529 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40615cbb-3e7b-4786-bc3d-609b51dfa9df/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[449846,449859] [2022-11-22 01:10:04,529 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40615cbb-3e7b-4786-bc3d-609b51dfa9df/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[449994,450007] [2022-11-22 01:10:04,530 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40615cbb-3e7b-4786-bc3d-609b51dfa9df/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[450147,450160] [2022-11-22 01:10:04,530 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40615cbb-3e7b-4786-bc3d-609b51dfa9df/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[450298,450311] [2022-11-22 01:10:04,531 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40615cbb-3e7b-4786-bc3d-609b51dfa9df/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[450448,450461] [2022-11-22 01:10:04,531 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40615cbb-3e7b-4786-bc3d-609b51dfa9df/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[450595,450608] [2022-11-22 01:10:04,531 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40615cbb-3e7b-4786-bc3d-609b51dfa9df/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[450746,450759] [2022-11-22 01:10:04,532 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40615cbb-3e7b-4786-bc3d-609b51dfa9df/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[450897,450910] [2022-11-22 01:10:04,532 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40615cbb-3e7b-4786-bc3d-609b51dfa9df/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[451045,451058] [2022-11-22 01:10:04,533 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40615cbb-3e7b-4786-bc3d-609b51dfa9df/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[451211,451224] [2022-11-22 01:10:04,533 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40615cbb-3e7b-4786-bc3d-609b51dfa9df/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[451380,451393] [2022-11-22 01:10:04,534 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40615cbb-3e7b-4786-bc3d-609b51dfa9df/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[451547,451560] [2022-11-22 01:10:04,534 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40615cbb-3e7b-4786-bc3d-609b51dfa9df/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[451715,451728] [2022-11-22 01:10:04,535 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40615cbb-3e7b-4786-bc3d-609b51dfa9df/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[451865,451878] [2022-11-22 01:10:04,536 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40615cbb-3e7b-4786-bc3d-609b51dfa9df/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[452012,452025] [2022-11-22 01:10:04,536 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40615cbb-3e7b-4786-bc3d-609b51dfa9df/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[452173,452186] [2022-11-22 01:10:04,537 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40615cbb-3e7b-4786-bc3d-609b51dfa9df/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[452343,452356] [2022-11-22 01:10:04,538 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40615cbb-3e7b-4786-bc3d-609b51dfa9df/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[452505,452518] [2022-11-22 01:10:04,551 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-22 01:10:04,582 INFO L203 MainTranslator]: Completed pre-run [2022-11-22 01:10:05,047 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40615cbb-3e7b-4786-bc3d-609b51dfa9df/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[439117,439130] [2022-11-22 01:10:05,053 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40615cbb-3e7b-4786-bc3d-609b51dfa9df/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[439262,439275] [2022-11-22 01:10:05,054 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40615cbb-3e7b-4786-bc3d-609b51dfa9df/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[439408,439421] [2022-11-22 01:10:05,054 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40615cbb-3e7b-4786-bc3d-609b51dfa9df/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[439573,439586] [2022-11-22 01:10:05,056 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40615cbb-3e7b-4786-bc3d-609b51dfa9df/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[439731,439744] [2022-11-22 01:10:05,057 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40615cbb-3e7b-4786-bc3d-609b51dfa9df/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[439889,439902] [2022-11-22 01:10:05,057 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40615cbb-3e7b-4786-bc3d-609b51dfa9df/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[440047,440060] [2022-11-22 01:10:05,058 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40615cbb-3e7b-4786-bc3d-609b51dfa9df/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[440207,440220] [2022-11-22 01:10:05,058 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40615cbb-3e7b-4786-bc3d-609b51dfa9df/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[440366,440379] [2022-11-22 01:10:05,059 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40615cbb-3e7b-4786-bc3d-609b51dfa9df/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[440505,440518] [2022-11-22 01:10:05,059 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40615cbb-3e7b-4786-bc3d-609b51dfa9df/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[440647,440660] [2022-11-22 01:10:05,059 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40615cbb-3e7b-4786-bc3d-609b51dfa9df/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[440796,440809] [2022-11-22 01:10:05,060 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40615cbb-3e7b-4786-bc3d-609b51dfa9df/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[440935,440948] [2022-11-22 01:10:05,060 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40615cbb-3e7b-4786-bc3d-609b51dfa9df/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[441090,441103] [2022-11-22 01:10:05,061 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40615cbb-3e7b-4786-bc3d-609b51dfa9df/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[441250,441263] [2022-11-22 01:10:05,061 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40615cbb-3e7b-4786-bc3d-609b51dfa9df/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[441401,441414] [2022-11-22 01:10:05,062 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40615cbb-3e7b-4786-bc3d-609b51dfa9df/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[441552,441565] [2022-11-22 01:10:05,062 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40615cbb-3e7b-4786-bc3d-609b51dfa9df/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[441704,441717] [2022-11-22 01:10:05,063 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40615cbb-3e7b-4786-bc3d-609b51dfa9df/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[441853,441866] [2022-11-22 01:10:05,063 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40615cbb-3e7b-4786-bc3d-609b51dfa9df/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[442001,442014] [2022-11-22 01:10:05,064 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40615cbb-3e7b-4786-bc3d-609b51dfa9df/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[442158,442171] [2022-11-22 01:10:05,065 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40615cbb-3e7b-4786-bc3d-609b51dfa9df/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[442307,442320] [2022-11-22 01:10:05,066 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40615cbb-3e7b-4786-bc3d-609b51dfa9df/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[442463,442476] [2022-11-22 01:10:05,066 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40615cbb-3e7b-4786-bc3d-609b51dfa9df/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[442616,442629] [2022-11-22 01:10:05,067 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40615cbb-3e7b-4786-bc3d-609b51dfa9df/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[442762,442775] [2022-11-22 01:10:05,067 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40615cbb-3e7b-4786-bc3d-609b51dfa9df/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[442905,442918] [2022-11-22 01:10:05,068 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40615cbb-3e7b-4786-bc3d-609b51dfa9df/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[443057,443070] [2022-11-22 01:10:05,069 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40615cbb-3e7b-4786-bc3d-609b51dfa9df/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[443203,443216] [2022-11-22 01:10:05,069 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40615cbb-3e7b-4786-bc3d-609b51dfa9df/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[443348,443361] [2022-11-22 01:10:05,070 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40615cbb-3e7b-4786-bc3d-609b51dfa9df/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[443502,443515] [2022-11-22 01:10:05,070 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40615cbb-3e7b-4786-bc3d-609b51dfa9df/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[443653,443666] [2022-11-22 01:10:05,071 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40615cbb-3e7b-4786-bc3d-609b51dfa9df/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[443808,443821] [2022-11-22 01:10:05,071 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40615cbb-3e7b-4786-bc3d-609b51dfa9df/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[443960,443973] [2022-11-22 01:10:05,072 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40615cbb-3e7b-4786-bc3d-609b51dfa9df/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[444115,444128] [2022-11-22 01:10:05,072 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40615cbb-3e7b-4786-bc3d-609b51dfa9df/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[444279,444292] [2022-11-22 01:10:05,073 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40615cbb-3e7b-4786-bc3d-609b51dfa9df/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[444435,444448] [2022-11-22 01:10:05,074 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40615cbb-3e7b-4786-bc3d-609b51dfa9df/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[444599,444612] [2022-11-22 01:10:05,074 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40615cbb-3e7b-4786-bc3d-609b51dfa9df/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[444741,444754] [2022-11-22 01:10:05,075 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40615cbb-3e7b-4786-bc3d-609b51dfa9df/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[444899,444912] [2022-11-22 01:10:05,075 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40615cbb-3e7b-4786-bc3d-609b51dfa9df/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[445066,445079] [2022-11-22 01:10:05,077 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40615cbb-3e7b-4786-bc3d-609b51dfa9df/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[445225,445238] [2022-11-22 01:10:05,077 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40615cbb-3e7b-4786-bc3d-609b51dfa9df/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[445384,445397] [2022-11-22 01:10:05,078 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40615cbb-3e7b-4786-bc3d-609b51dfa9df/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[445533,445546] [2022-11-22 01:10:05,078 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40615cbb-3e7b-4786-bc3d-609b51dfa9df/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[445680,445693] [2022-11-22 01:10:05,079 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40615cbb-3e7b-4786-bc3d-609b51dfa9df/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[445819,445832] [2022-11-22 01:10:05,079 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40615cbb-3e7b-4786-bc3d-609b51dfa9df/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[445982,445995] [2022-11-22 01:10:05,080 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40615cbb-3e7b-4786-bc3d-609b51dfa9df/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[446148,446161] [2022-11-22 01:10:05,080 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40615cbb-3e7b-4786-bc3d-609b51dfa9df/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[446312,446325] [2022-11-22 01:10:05,081 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40615cbb-3e7b-4786-bc3d-609b51dfa9df/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[446477,446490] [2022-11-22 01:10:05,081 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40615cbb-3e7b-4786-bc3d-609b51dfa9df/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[446642,446655] [2022-11-22 01:10:05,081 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40615cbb-3e7b-4786-bc3d-609b51dfa9df/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[446808,446821] [2022-11-22 01:10:05,082 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40615cbb-3e7b-4786-bc3d-609b51dfa9df/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[446973,446986] [2022-11-22 01:10:05,082 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40615cbb-3e7b-4786-bc3d-609b51dfa9df/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[447140,447153] [2022-11-22 01:10:05,084 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40615cbb-3e7b-4786-bc3d-609b51dfa9df/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[447300,447313] [2022-11-22 01:10:05,085 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40615cbb-3e7b-4786-bc3d-609b51dfa9df/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[447462,447475] [2022-11-22 01:10:05,086 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40615cbb-3e7b-4786-bc3d-609b51dfa9df/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[447621,447634] [2022-11-22 01:10:05,089 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40615cbb-3e7b-4786-bc3d-609b51dfa9df/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[447767,447780] [2022-11-22 01:10:05,090 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40615cbb-3e7b-4786-bc3d-609b51dfa9df/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[447910,447923] [2022-11-22 01:10:05,091 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40615cbb-3e7b-4786-bc3d-609b51dfa9df/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[448054,448067] [2022-11-22 01:10:05,091 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40615cbb-3e7b-4786-bc3d-609b51dfa9df/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[448197,448210] [2022-11-22 01:10:05,092 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40615cbb-3e7b-4786-bc3d-609b51dfa9df/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[448341,448354] [2022-11-22 01:10:05,092 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40615cbb-3e7b-4786-bc3d-609b51dfa9df/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[448482,448495] [2022-11-22 01:10:05,093 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40615cbb-3e7b-4786-bc3d-609b51dfa9df/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[448620,448633] [2022-11-22 01:10:05,094 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40615cbb-3e7b-4786-bc3d-609b51dfa9df/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[448778,448791] [2022-11-22 01:10:05,094 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40615cbb-3e7b-4786-bc3d-609b51dfa9df/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[448937,448950] [2022-11-22 01:10:05,104 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40615cbb-3e7b-4786-bc3d-609b51dfa9df/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[449093,449106] [2022-11-22 01:10:05,106 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40615cbb-3e7b-4786-bc3d-609b51dfa9df/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[449242,449255] [2022-11-22 01:10:05,106 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40615cbb-3e7b-4786-bc3d-609b51dfa9df/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[449394,449407] [2022-11-22 01:10:05,107 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40615cbb-3e7b-4786-bc3d-609b51dfa9df/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[449545,449558] [2022-11-22 01:10:05,107 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40615cbb-3e7b-4786-bc3d-609b51dfa9df/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[449694,449707] [2022-11-22 01:10:05,108 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40615cbb-3e7b-4786-bc3d-609b51dfa9df/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[449846,449859] [2022-11-22 01:10:05,108 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40615cbb-3e7b-4786-bc3d-609b51dfa9df/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[449994,450007] [2022-11-22 01:10:05,109 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40615cbb-3e7b-4786-bc3d-609b51dfa9df/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[450147,450160] [2022-11-22 01:10:05,110 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40615cbb-3e7b-4786-bc3d-609b51dfa9df/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[450298,450311] [2022-11-22 01:10:05,110 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40615cbb-3e7b-4786-bc3d-609b51dfa9df/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[450448,450461] [2022-11-22 01:10:05,111 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40615cbb-3e7b-4786-bc3d-609b51dfa9df/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[450595,450608] [2022-11-22 01:10:05,111 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40615cbb-3e7b-4786-bc3d-609b51dfa9df/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[450746,450759] [2022-11-22 01:10:05,111 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40615cbb-3e7b-4786-bc3d-609b51dfa9df/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[450897,450910] [2022-11-22 01:10:05,113 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40615cbb-3e7b-4786-bc3d-609b51dfa9df/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[451045,451058] [2022-11-22 01:10:05,114 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40615cbb-3e7b-4786-bc3d-609b51dfa9df/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[451211,451224] [2022-11-22 01:10:05,114 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40615cbb-3e7b-4786-bc3d-609b51dfa9df/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[451380,451393] [2022-11-22 01:10:05,116 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40615cbb-3e7b-4786-bc3d-609b51dfa9df/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[451547,451560] [2022-11-22 01:10:05,116 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40615cbb-3e7b-4786-bc3d-609b51dfa9df/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[451715,451728] [2022-11-22 01:10:05,117 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40615cbb-3e7b-4786-bc3d-609b51dfa9df/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[451865,451878] [2022-11-22 01:10:05,117 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40615cbb-3e7b-4786-bc3d-609b51dfa9df/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[452012,452025] [2022-11-22 01:10:05,117 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40615cbb-3e7b-4786-bc3d-609b51dfa9df/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[452173,452186] [2022-11-22 01:10:05,118 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40615cbb-3e7b-4786-bc3d-609b51dfa9df/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[452343,452356] [2022-11-22 01:10:05,122 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40615cbb-3e7b-4786-bc3d-609b51dfa9df/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[452505,452518] [2022-11-22 01:10:05,126 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-22 01:10:05,441 INFO L208 MainTranslator]: Completed translation [2022-11-22 01:10:05,441 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:10:05 WrapperNode [2022-11-22 01:10:05,441 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-22 01:10:05,443 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-22 01:10:05,443 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-22 01:10:05,443 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-22 01:10:05,451 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:10:05" (1/1) ... [2022-11-22 01:10:05,588 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:10:05" (1/1) ... [2022-11-22 01:10:05,779 INFO L138 Inliner]: procedures = 745, calls = 3015, calls flagged for inlining = 366, calls inlined = 283, statements flattened = 6653 [2022-11-22 01:10:05,780 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-22 01:10:05,780 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-22 01:10:05,781 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-22 01:10:05,781 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-22 01:10:05,791 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:10:05" (1/1) ... [2022-11-22 01:10:05,791 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:10:05" (1/1) ... [2022-11-22 01:10:05,824 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:10:05" (1/1) ... [2022-11-22 01:10:05,824 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:10:05" (1/1) ... [2022-11-22 01:10:06,037 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:10:05" (1/1) ... [2022-11-22 01:10:06,100 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:10:05" (1/1) ... [2022-11-22 01:10:06,134 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:10:05" (1/1) ... [2022-11-22 01:10:06,149 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:10:05" (1/1) ... [2022-11-22 01:10:06,196 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-22 01:10:06,197 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-22 01:10:06,197 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-22 01:10:06,197 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-22 01:10:06,198 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:10:05" (1/1) ... [2022-11-22 01:10:06,206 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-22 01:10:06,217 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40615cbb-3e7b-4786-bc3d-609b51dfa9df/bin/utaipan-g80aRyZoba/z3 [2022-11-22 01:10:06,236 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40615cbb-3e7b-4786-bc3d-609b51dfa9df/bin/utaipan-g80aRyZoba/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-22 01:10:06,251 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40615cbb-3e7b-4786-bc3d-609b51dfa9df/bin/utaipan-g80aRyZoba/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-22 01:10:06,293 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_area_prepare_fill [2022-11-22 01:10:06,293 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_area_prepare_fill [2022-11-22 01:10:06,293 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_rnd_perf [2022-11-22 01:10:06,293 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_rnd_perf [2022-11-22 01:10:06,293 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_coherent_check_final_state [2022-11-22 01:10:06,294 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_coherent_check_final_state [2022-11-22 01:10:06,294 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-11-22 01:10:06,294 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-11-22 01:10:06,295 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_verify_write [2022-11-22 01:10:06,295 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_verify_write [2022-11-22 01:10:06,295 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-22 01:10:06,295 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-22 01:10:06,295 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_rate [2022-11-22 01:10:06,295 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_rate [2022-11-22 01:10:06,295 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_verify_read [2022-11-22 01:10:06,295 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_verify_read [2022-11-22 01:10:06,295 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_no_highmem [2022-11-22 01:10:06,295 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_no_highmem [2022-11-22 01:10:06,296 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_prepare_write [2022-11-22 01:10:06,296 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_prepare_write [2022-11-22 01:10:06,296 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_mmc_sdio_func_check_final_state [2022-11-22 01:10:06,296 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_mmc_sdio_func_check_final_state [2022-11-22 01:10:06,296 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_irq_restore [2022-11-22 01:10:06,296 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_irq_restore [2022-11-22 01:10:06,296 INFO L130 BoogieDeclarations]: Found specification of procedure __mmc_test_prepare [2022-11-22 01:10:06,296 INFO L138 BoogieDeclarations]: Found implementation of procedure __mmc_test_prepare [2022-11-22 01:10:06,296 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_best_read_perf_max_scatter [2022-11-22 01:10:06,297 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_best_read_perf_max_scatter [2022-11-22 01:10:06,297 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_arch_io_check_final_state [2022-11-22 01:10:06,297 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_arch_io_check_final_state [2022-11-22 01:10:06,297 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_check_result [2022-11-22 01:10:06,297 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_check_result [2022-11-22 01:10:06,297 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_module_check_final_state [2022-11-22 01:10:06,297 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_module_check_final_state [2022-11-22 01:10:06,297 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_basic_write [2022-11-22 01:10:06,297 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_basic_write [2022-11-22 01:10:06,297 INFO L130 BoogieDeclarations]: Found specification of procedure __mmc_test_register_dbgfs_file [2022-11-22 01:10:06,298 INFO L138 BoogieDeclarations]: Found implementation of procedure __mmc_test_register_dbgfs_file [2022-11-22 01:10:06,298 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_align_read [2022-11-22 01:10:06,298 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_align_read [2022-11-22 01:10:06,298 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-11-22 01:10:06,298 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-11-22 01:10:06,298 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_broken_transfer [2022-11-22 01:10:06,298 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_broken_transfer [2022-11-22 01:10:06,298 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-11-22 01:10:06,298 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-11-22 01:10:06,299 INFO L130 BoogieDeclarations]: Found specification of procedure arch_irqs_disabled_flags [2022-11-22 01:10:06,299 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_irqs_disabled_flags [2022-11-22 01:10:06,299 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_queue_check_final_state [2022-11-22 01:10:06,299 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_queue_check_final_state [2022-11-22 01:10:06,299 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_cleanup [2022-11-22 01:10:06,299 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_cleanup [2022-11-22 01:10:06,299 INFO L130 BoogieDeclarations]: Found specification of procedure sg_init_table [2022-11-22 01:10:06,299 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_init_table [2022-11-22 01:10:06,299 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-22 01:10:06,300 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_remove [2022-11-22 01:10:06,300 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_remove [2022-11-22 01:10:06,300 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_large_seq_perf [2022-11-22 01:10:06,300 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_large_seq_perf [2022-11-22 01:10:06,300 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_area_io [2022-11-22 01:10:06,300 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_area_io [2022-11-22 01:10:06,301 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2022-11-22 01:10:06,301 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2022-11-22 01:10:06,302 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-11-22 01:10:06,305 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-11-22 01:10:06,305 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_free_mem [2022-11-22 01:10:06,306 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_free_mem [2022-11-22 01:10:06,306 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_request_check_final_state [2022-11-22 01:10:06,306 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_request_check_final_state [2022-11-22 01:10:06,306 INFO L130 BoogieDeclarations]: Found specification of procedure timespec_sub [2022-11-22 01:10:06,306 INFO L138 BoogieDeclarations]: Found implementation of procedure timespec_sub [2022-11-22 01:10:06,306 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_area_prepare_erase [2022-11-22 01:10:06,306 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_area_prepare_erase [2022-11-22 01:10:06,308 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_profile_mult_read_blocking_perf [2022-11-22 01:10:06,308 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_profile_mult_read_blocking_perf [2022-11-22 01:10:06,308 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_free_result [2022-11-22 01:10:06,308 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_free_result [2022-11-22 01:10:06,308 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_print_avg_rate [2022-11-22 01:10:06,308 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_print_avg_rate [2022-11-22 01:10:06,308 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_in_interrupt_context [2022-11-22 01:10:06,308 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_in_interrupt_context [2022-11-22 01:10:06,309 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-11-22 01:10:06,309 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-11-22 01:10:06,309 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_best_performance [2022-11-22 01:10:06,309 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_best_performance [2022-11-22 01:10:06,310 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_bh_check_final_state [2022-11-22 01:10:06,310 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_bh_check_final_state [2022-11-22 01:10:06,310 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-22 01:10:06,310 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_genhd_check_final_state [2022-11-22 01:10:06,310 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_genhd_check_final_state [2022-11-22 01:10:06,311 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_after_alloc [2022-11-22 01:10:06,311 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_after_alloc [2022-11-22 01:10:06,311 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_area_erase [2022-11-22 01:10:06,311 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_area_erase [2022-11-22 01:10:06,311 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_register_reset_error_counter [2022-11-22 01:10:06,311 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_register_reset_error_counter [2022-11-22 01:10:06,311 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_area_init [2022-11-22 01:10:06,311 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_area_init [2022-11-22 01:10:06,311 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2022-11-22 01:10:06,311 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2022-11-22 01:10:06,312 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2022-11-22 01:10:06,312 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2022-11-22 01:10:06,312 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_xfersize_write [2022-11-22 01:10:06,312 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_xfersize_write [2022-11-22 01:10:06,312 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2022-11-22 01:10:06,312 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2022-11-22 01:10:06,312 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_lib_idr_check_final_state [2022-11-22 01:10:06,313 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_lib_idr_check_final_state [2022-11-22 01:10:06,313 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_best_read_performance [2022-11-22 01:10:06,313 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_best_read_performance [2022-11-22 01:10:06,313 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_nonblock_reset [2022-11-22 01:10:06,313 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_nonblock_reset [2022-11-22 01:10:06,313 INFO L130 BoogieDeclarations]: Found specification of procedure sg_next [2022-11-22 01:10:06,313 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_next [2022-11-22 01:10:06,313 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_srcu_check_final_state [2022-11-22 01:10:06,314 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_srcu_check_final_state [2022-11-22 01:10:06,314 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_profile_mult_write_nonblock_perf [2022-11-22 01:10:06,314 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_profile_mult_write_nonblock_perf [2022-11-22 01:10:06,314 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-22 01:10:06,314 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_irq_save [2022-11-22 01:10:06,314 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_irq_save [2022-11-22 01:10:06,314 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_profile_sglen_r_blocking_perf [2022-11-22 01:10:06,314 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_profile_sglen_r_blocking_perf [2022-11-22 01:10:06,315 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_pow2_write [2022-11-22 01:10:06,315 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_pow2_write [2022-11-22 01:10:06,315 INFO L130 BoogieDeclarations]: Found specification of procedure seq_lseek [2022-11-22 01:10:06,315 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_lseek [2022-11-22 01:10:06,315 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2022-11-22 01:10:06,315 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2022-11-22 01:10:06,315 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-22 01:10:06,315 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_rw_multiple_sg_len [2022-11-22 01:10:06,315 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_rw_multiple_sg_len [2022-11-22 01:10:06,315 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_large_seq_read_perf [2022-11-22 01:10:06,316 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_large_seq_read_perf [2022-11-22 01:10:06,316 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-11-22 01:10:06,316 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-11-22 01:10:06,316 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-22 01:10:06,316 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_xfersize_read [2022-11-22 01:10:06,316 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_xfersize_read [2022-11-22 01:10:06,316 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_simple_transfer [2022-11-22 01:10:06,316 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_simple_transfer [2022-11-22 01:10:06,316 INFO L130 BoogieDeclarations]: Found specification of procedure sg_mark_end [2022-11-22 01:10:06,316 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_mark_end [2022-11-22 01:10:06,316 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2022-11-22 01:10:06,317 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2022-11-22 01:10:06,317 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_rnd_num [2022-11-22 01:10:06,317 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_rnd_num [2022-11-22 01:10:06,317 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_area_fill [2022-11-22 01:10:06,317 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_area_fill [2022-11-22 01:10:06,317 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_profile_seq_read_perf [2022-11-22 01:10:06,317 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_profile_seq_read_perf [2022-11-22 01:10:06,317 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_random_read_perf [2022-11-22 01:10:06,317 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_random_read_perf [2022-11-22 01:10:06,317 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_best_write_performance [2022-11-22 01:10:06,318 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_best_write_performance [2022-11-22 01:10:06,318 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_register_reset_error_counter [2022-11-22 01:10:06,318 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_register_reset_error_counter [2022-11-22 01:10:06,318 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_remove [2022-11-22 01:10:06,318 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_remove [2022-11-22 01:10:06,318 INFO L130 BoogieDeclarations]: Found specification of procedure dev_name [2022-11-22 01:10:06,318 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_name [2022-11-22 01:10:06,318 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_pow2_read [2022-11-22 01:10:06,318 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_pow2_read [2022-11-22 01:10:06,318 INFO L130 BoogieDeclarations]: Found specification of procedure sg_init_one [2022-11-22 01:10:06,318 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_init_one [2022-11-22 01:10:06,319 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-22 01:10:06,319 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-22 01:10:06,319 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_start_req [2022-11-22 01:10:06,319 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_start_req [2022-11-22 01:10:06,319 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_wait_busy [2022-11-22 01:10:06,319 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_wait_busy [2022-11-22 01:10:06,319 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-11-22 01:10:06,319 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-11-22 01:10:06,319 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_seq_read_perf [2022-11-22 01:10:06,319 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_seq_read_perf [2022-11-22 01:10:06,320 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_buffer_transfer [2022-11-22 01:10:06,320 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_buffer_transfer [2022-11-22 01:10:06,320 INFO L130 BoogieDeclarations]: Found specification of procedure seq_read [2022-11-22 01:10:06,320 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_read [2022-11-22 01:10:06,320 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_multi_read [2022-11-22 01:10:06,320 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_multi_read [2022-11-22 01:10:06,320 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_mutex_mutex_unlock_mmc_test_lock [2022-11-22 01:10:06,320 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_mutex_mutex_unlock_mmc_test_lock [2022-11-22 01:10:06,320 INFO L130 BoogieDeclarations]: Found specification of procedure trace_hardirqs_on [2022-11-22 01:10:06,320 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_hardirqs_on [2022-11-22 01:10:06,320 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_weird_write [2022-11-22 01:10:06,321 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_weird_write [2022-11-22 01:10:06,321 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_profile_sglen_wr_blocking_perf [2022-11-22 01:10:06,321 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_profile_sglen_wr_blocking_perf [2022-11-22 01:10:06,321 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-22 01:10:06,321 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-22 01:10:06,321 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_profile_seq_write_perf [2022-11-22 01:10:06,321 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_profile_seq_write_perf [2022-11-22 01:10:06,321 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_profile_trim_perf [2022-11-22 01:10:06,321 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_profile_trim_perf [2022-11-22 01:10:06,321 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_seq_write_perf [2022-11-22 01:10:06,325 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_seq_write_perf [2022-11-22 01:10:06,326 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_sock_check_final_state [2022-11-22 01:10:06,326 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_sock_check_final_state [2022-11-22 01:10:06,326 INFO L130 BoogieDeclarations]: Found specification of procedure mtf_test_write [2022-11-22 01:10:06,326 INFO L138 BoogieDeclarations]: Found implementation of procedure mtf_test_write [2022-11-22 01:10:06,326 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_random_write_perf [2022-11-22 01:10:06,326 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_random_write_perf [2022-11-22 01:10:06,326 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_gadget_check_final_state [2022-11-22 01:10:06,326 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_gadget_check_final_state [2022-11-22 01:10:06,326 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-22 01:10:06,326 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_multi_xfersize_write [2022-11-22 01:10:06,327 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_multi_xfersize_write [2022-11-22 01:10:06,327 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_fs_sysfs_check_final_state [2022-11-22 01:10:06,327 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_fs_sysfs_check_final_state [2022-11-22 01:10:06,327 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_multi_xfersize_read [2022-11-22 01:10:06,327 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_multi_xfersize_read [2022-11-22 01:10:06,327 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_area_io_seq [2022-11-22 01:10:06,327 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_area_io_seq [2022-11-22 01:10:06,327 INFO L130 BoogieDeclarations]: Found specification of procedure trace_hardirqs_off [2022-11-22 01:10:06,327 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_hardirqs_off [2022-11-22 01:10:06,327 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_set_blksize [2022-11-22 01:10:06,328 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_set_blksize [2022-11-22 01:10:06,328 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-22 01:10:06,328 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_transfer [2022-11-22 01:10:06,328 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_transfer [2022-11-22 01:10:06,328 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_profile_sglen_wr_nonblock_perf [2022-11-22 01:10:06,328 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_profile_sglen_wr_nonblock_perf [2022-11-22 01:10:06,328 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_profile_mult_read_nonblock_perf [2022-11-22 01:10:06,328 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_profile_mult_read_nonblock_perf [2022-11-22 01:10:06,328 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_rw_multiple_size [2022-11-22 01:10:06,328 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_rw_multiple_size [2022-11-22 01:10:06,329 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_save_transfer_result [2022-11-22 01:10:06,329 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_save_transfer_result [2022-11-22 01:10:06,329 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_shutdown [2022-11-22 01:10:06,329 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_shutdown [2022-11-22 01:10:06,329 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_prepare_read [2022-11-22 01:10:06,329 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_prepare_read [2022-11-22 01:10:06,329 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-22 01:10:06,329 INFO L130 BoogieDeclarations]: Found specification of procedure getnstimeofday [2022-11-22 01:10:06,329 INFO L138 BoogieDeclarations]: Found implementation of procedure getnstimeofday [2022-11-22 01:10:06,329 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_erase [2022-11-22 01:10:06,329 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_erase [2022-11-22 01:10:06,330 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_busy [2022-11-22 01:10:06,330 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_busy [2022-11-22 01:10:06,330 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_profile_write_perf [2022-11-22 01:10:06,330 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_profile_write_perf [2022-11-22 01:10:06,330 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_free_dbgfs_file [2022-11-22 01:10:06,330 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_free_dbgfs_file [2022-11-22 01:10:06,330 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2022-11-22 01:10:06,330 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2022-11-22 01:10:06,330 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_rtnetlink_check_final_state [2022-11-22 01:10:06,330 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_rtnetlink_check_final_state [2022-11-22 01:10:06,331 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_best_write_perf_max_scatter [2022-11-22 01:10:06,331 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_best_write_perf_max_scatter [2022-11-22 01:10:06,331 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-11-22 01:10:06,331 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-11-22 01:10:06,331 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_seq_perf [2022-11-22 01:10:06,331 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_seq_perf [2022-11-22 01:10:06,331 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-11-22 01:10:06,331 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-11-22 01:10:06,331 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_basic_read [2022-11-22 01:10:06,331 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_basic_read [2022-11-22 01:10:06,332 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_check_final_state [2022-11-22 01:10:06,332 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_check_final_state [2022-11-22 01:10:06,332 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock [2022-11-22 01:10:06,332 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock [2022-11-22 01:10:06,332 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_urb_check_final_state [2022-11-22 01:10:06,332 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_urb_check_final_state [2022-11-22 01:10:06,332 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_capacity [2022-11-22 01:10:06,332 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_capacity [2022-11-22 01:10:06,332 INFO L130 BoogieDeclarations]: Found specification of procedure single_open [2022-11-22 01:10:06,332 INFO L138 BoogieDeclarations]: Found implementation of procedure single_open [2022-11-22 01:10:06,332 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_wait_for_req [2022-11-22 01:10:06,333 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_wait_for_req [2022-11-22 01:10:06,333 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_hw_reset [2022-11-22 01:10:06,333 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_hw_reset [2022-11-22 01:10:06,333 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_align_multi_write [2022-11-22 01:10:06,333 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_align_multi_write [2022-11-22 01:10:06,333 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_rwlock_check_final_state [2022-11-22 01:10:06,333 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_rwlock_check_final_state [2022-11-22 01:10:06,333 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-11-22 01:10:06,333 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-11-22 01:10:06,333 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_prepare_mrq [2022-11-22 01:10:06,334 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_prepare_mrq [2022-11-22 01:10:06,334 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlock [2022-11-22 01:10:06,334 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlock [2022-11-22 01:10:06,334 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_large_seq_write_perf [2022-11-22 01:10:06,334 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_large_seq_write_perf [2022-11-22 01:10:06,334 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_can_erase [2022-11-22 01:10:06,334 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_can_erase [2022-11-22 01:10:06,334 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_rw_multiple [2022-11-22 01:10:06,334 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_rw_multiple [2022-11-22 01:10:06,334 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-22 01:10:06,335 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_fs_char_dev_check_final_state [2022-11-22 01:10:06,335 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_fs_char_dev_check_final_state [2022-11-22 01:10:06,335 INFO L130 BoogieDeclarations]: Found specification of procedure single_release [2022-11-22 01:10:06,335 INFO L138 BoogieDeclarations]: Found implementation of procedure single_release [2022-11-22 01:10:06,335 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-22 01:10:06,335 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-22 01:10:06,335 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_print_rate [2022-11-22 01:10:06,335 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_print_rate [2022-11-22 01:10:06,335 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_can_trim [2022-11-22 01:10:06,335 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_can_trim [2022-11-22 01:10:06,336 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_align_write [2022-11-22 01:10:06,336 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_align_write [2022-11-22 01:10:06,336 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_drivers_base_class_check_final_state [2022-11-22 01:10:06,336 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_drivers_base_class_check_final_state [2022-11-22 01:10:06,336 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_random_perf [2022-11-22 01:10:06,336 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_random_perf [2022-11-22 01:10:06,336 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_multi_write [2022-11-22 01:10:06,336 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_multi_write [2022-11-22 01:10:06,336 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_profile_sglen_r_nonblock_perf [2022-11-22 01:10:06,336 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_profile_sglen_r_nonblock_perf [2022-11-22 01:10:06,337 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_mutex_mutex_lock_mmc_test_lock [2022-11-22 01:10:06,337 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_mutex_mutex_lock_mmc_test_lock [2022-11-22 01:10:06,337 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_weird_read [2022-11-22 01:10:06,337 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_weird_read [2022-11-22 01:10:06,337 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_profile_mult_write_blocking_perf [2022-11-22 01:10:06,337 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_profile_mult_write_blocking_perf [2022-11-22 01:10:06,337 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_probe [2022-11-22 01:10:06,337 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_probe [2022-11-22 01:10:06,337 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-11-22 01:10:06,337 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-11-22 01:10:06,338 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_sched_check_final_state [2022-11-22 01:10:06,338 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_sched_check_final_state [2022-11-22 01:10:06,338 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_profile_read_perf [2022-11-22 01:10:06,338 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_profile_read_perf [2022-11-22 01:10:06,338 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_profile_seq_trim_perf [2022-11-22 01:10:06,338 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_profile_seq_trim_perf [2022-11-22 01:10:06,338 INFO L130 BoogieDeclarations]: Found specification of procedure sg_set_page [2022-11-22 01:10:06,338 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_set_page [2022-11-22 01:10:06,338 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-22 01:10:06,338 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_area_cleanup [2022-11-22 01:10:06,339 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_area_cleanup [2022-11-22 01:10:07,520 INFO L235 CfgBuilder]: Building ICFG [2022-11-22 01:10:07,525 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-22 01:10:07,979 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-11-22 01:10:27,499 INFO L276 CfgBuilder]: Performing block encoding [2022-11-22 01:10:29,282 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-22 01:10:29,282 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-22 01:10:29,290 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 01:10:29 BoogieIcfgContainer [2022-11-22 01:10:29,290 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-22 01:10:29,292 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-22 01:10:29,293 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-22 01:10:29,296 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-22 01:10:29,296 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 01:09:59" (1/3) ... [2022-11-22 01:10:29,297 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2f56437b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 01:10:29, skipping insertion in model container [2022-11-22 01:10:29,298 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:10:05" (2/3) ... [2022-11-22 01:10:29,298 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2f56437b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 01:10:29, skipping insertion in model container [2022-11-22 01:10:29,298 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 01:10:29" (3/3) ... [2022-11-22 01:10:29,299 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i [2022-11-22 01:10:29,319 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-22 01:10:29,319 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 25 error locations. [2022-11-22 01:10:29,431 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-22 01:10:29,438 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@16126f83, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-22 01:10:29,438 INFO L358 AbstractCegarLoop]: Starting to check reachability of 25 error locations. [2022-11-22 01:10:29,452 INFO L276 IsEmpty]: Start isEmpty. Operand has 2339 states, 1420 states have (on average 1.3514084507042254) internal successors, (1919), 1513 states have internal predecessors, (1919), 735 states have call successors, (735), 159 states have call predecessors, (735), 158 states have return successors, (690), 683 states have call predecessors, (690), 690 states have call successors, (690) [2022-11-22 01:10:29,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2022-11-22 01:10:29,463 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:10:29,464 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 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] [2022-11-22 01:10:29,464 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_linux_arch_io_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 23 more)] === [2022-11-22 01:10:29,469 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:10:29,470 INFO L85 PathProgramCache]: Analyzing trace with hash 1540377636, now seen corresponding path program 1 times [2022-11-22 01:10:29,480 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:10:29,480 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1217368281] [2022-11-22 01:10:29,481 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:10:29,481 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:10:29,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:10:30,506 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-11-22 01:10:30,506 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 01:10:30,506 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1217368281] [2022-11-22 01:10:30,508 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1217368281] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 01:10:30,509 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 01:10:30,509 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-22 01:10:30,510 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [978361757] [2022-11-22 01:10:30,512 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 01:10:30,520 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-22 01:10:30,521 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 01:10:30,558 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-22 01:10:30,559 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-22 01:10:30,566 INFO L87 Difference]: Start difference. First operand has 2339 states, 1420 states have (on average 1.3514084507042254) internal successors, (1919), 1513 states have internal predecessors, (1919), 735 states have call successors, (735), 159 states have call predecessors, (735), 158 states have return successors, (690), 683 states have call predecessors, (690), 690 states have call successors, (690) Second operand has 4 states, 4 states have (on average 5.25) internal successors, (21), 4 states have internal predecessors, (21), 2 states have call successors, (10), 2 states have call predecessors, (10), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2022-11-22 01:10:33,151 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-22 01:10:35,407 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:10:38,308 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2022-11-22 01:10:39,547 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:10:39,547 INFO L93 Difference]: Finished difference Result 4961 states and 7349 transitions. [2022-11-22 01:10:39,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-22 01:10:39,550 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.25) internal successors, (21), 4 states have internal predecessors, (21), 2 states have call successors, (10), 2 states have call predecessors, (10), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 47 [2022-11-22 01:10:39,551 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:10:39,592 INFO L225 Difference]: With dead ends: 4961 [2022-11-22 01:10:39,592 INFO L226 Difference]: Without dead ends: 2588 [2022-11-22 01:10:39,614 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-22 01:10:39,619 INFO L413 NwaCegarLoop]: 2923 mSDtfsCounter, 3220 mSDsluCounter, 3304 mSDsCounter, 0 mSdLazyCounter, 1026 mSolverCounterSat, 0 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3231 SdHoareTripleChecker+Valid, 6227 SdHoareTripleChecker+Invalid, 1029 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1026 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.5s IncrementalHoareTripleChecker+Time [2022-11-22 01:10:39,620 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3231 Valid, 6227 Invalid, 1029 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 1026 Invalid, 3 Unknown, 0 Unchecked, 8.5s Time] [2022-11-22 01:10:39,645 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2588 states. [2022-11-22 01:10:39,997 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2588 to 2580. [2022-11-22 01:10:40,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2580 states, 1590 states have (on average 1.2955974842767295) internal successors, (2060), 1646 states have internal predecessors, (2060), 767 states have call successors, (767), 201 states have call predecessors, (767), 199 states have return successors, (765), 756 states have call predecessors, (765), 765 states have call successors, (765) [2022-11-22 01:10:40,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2580 states to 2580 states and 3592 transitions. [2022-11-22 01:10:40,035 INFO L78 Accepts]: Start accepts. Automaton has 2580 states and 3592 transitions. Word has length 47 [2022-11-22 01:10:40,036 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:10:40,036 INFO L495 AbstractCegarLoop]: Abstraction has 2580 states and 3592 transitions. [2022-11-22 01:10:40,036 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.25) internal successors, (21), 4 states have internal predecessors, (21), 2 states have call successors, (10), 2 states have call predecessors, (10), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2022-11-22 01:10:40,036 INFO L276 IsEmpty]: Start isEmpty. Operand 2580 states and 3592 transitions. [2022-11-22 01:10:40,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2022-11-22 01:10:40,042 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:10:40,042 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 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] [2022-11-22 01:10:40,043 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-22 01:10:40,043 INFO L420 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 23 more)] === [2022-11-22 01:10:40,044 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:10:40,044 INFO L85 PathProgramCache]: Analyzing trace with hash 1705083789, now seen corresponding path program 1 times [2022-11-22 01:10:40,045 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:10:40,045 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1884316796] [2022-11-22 01:10:40,045 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:10:40,045 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:10:40,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:10:40,641 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-11-22 01:10:40,642 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 01:10:40,642 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1884316796] [2022-11-22 01:10:40,642 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1884316796] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 01:10:40,642 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 01:10:40,643 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-22 01:10:40,643 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [771580530] [2022-11-22 01:10:40,643 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 01:10:40,645 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-22 01:10:40,645 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 01:10:40,646 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-22 01:10:40,646 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-22 01:10:40,646 INFO L87 Difference]: Start difference. First operand 2580 states and 3592 transitions. Second operand has 4 states, 4 states have (on average 6.0) internal successors, (24), 4 states have internal predecessors, (24), 2 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2022-11-22 01:10:43,126 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-22 01:10:45,346 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:10:48,186 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2022-11-22 01:10:49,481 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:10:49,481 INFO L93 Difference]: Finished difference Result 2588 states and 3600 transitions. [2022-11-22 01:10:49,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-22 01:10:49,482 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.0) internal successors, (24), 4 states have internal predecessors, (24), 2 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 52 [2022-11-22 01:10:49,482 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:10:49,498 INFO L225 Difference]: With dead ends: 2588 [2022-11-22 01:10:49,498 INFO L226 Difference]: Without dead ends: 2586 [2022-11-22 01:10:49,501 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-22 01:10:49,502 INFO L413 NwaCegarLoop]: 2825 mSDtfsCounter, 3120 mSDsluCounter, 3204 mSDsCounter, 0 mSdLazyCounter, 1024 mSolverCounterSat, 0 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3131 SdHoareTripleChecker+Valid, 6029 SdHoareTripleChecker+Invalid, 1027 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1024 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.5s IncrementalHoareTripleChecker+Time [2022-11-22 01:10:49,502 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3131 Valid, 6029 Invalid, 1027 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 1024 Invalid, 3 Unknown, 0 Unchecked, 8.5s Time] [2022-11-22 01:10:49,507 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2586 states. [2022-11-22 01:10:49,634 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2586 to 2578. [2022-11-22 01:10:49,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2578 states, 1589 states have (on average 1.2951541850220265) internal successors, (2058), 1644 states have internal predecessors, (2058), 767 states have call successors, (767), 201 states have call predecessors, (767), 199 states have return successors, (765), 756 states have call predecessors, (765), 765 states have call successors, (765) [2022-11-22 01:10:49,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2578 states to 2578 states and 3590 transitions. [2022-11-22 01:10:49,657 INFO L78 Accepts]: Start accepts. Automaton has 2578 states and 3590 transitions. Word has length 52 [2022-11-22 01:10:49,658 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:10:49,658 INFO L495 AbstractCegarLoop]: Abstraction has 2578 states and 3590 transitions. [2022-11-22 01:10:49,658 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.0) internal successors, (24), 4 states have internal predecessors, (24), 2 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2022-11-22 01:10:49,659 INFO L276 IsEmpty]: Start isEmpty. Operand 2578 states and 3590 transitions. [2022-11-22 01:10:49,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2022-11-22 01:10:49,668 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:10:49,668 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 01:10:49,669 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-22 01:10:49,669 INFO L420 AbstractCegarLoop]: === Iteration 3 === 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 23 more)] === [2022-11-22 01:10:49,674 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:10:49,679 INFO L85 PathProgramCache]: Analyzing trace with hash 2106898448, now seen corresponding path program 1 times [2022-11-22 01:10:49,680 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:10:49,680 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1170390953] [2022-11-22 01:10:49,680 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:10:49,680 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:10:49,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:10:50,597 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-22 01:10:50,597 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 01:10:50,597 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1170390953] [2022-11-22 01:10:50,598 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1170390953] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 01:10:50,598 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 01:10:50,598 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-22 01:10:50,598 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1274584118] [2022-11-22 01:10:50,598 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 01:10:50,598 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-22 01:10:50,598 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 01:10:50,599 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-22 01:10:50,599 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-22 01:10:50,599 INFO L87 Difference]: Start difference. First operand 2578 states and 3590 transitions. Second operand has 5 states, 5 states have (on average 5.0) internal successors, (25), 4 states have internal predecessors, (25), 2 states have call successors, (13), 3 states have call predecessors, (13), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2022-11-22 01:10:53,346 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-22 01:10:55,597 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:10:58,453 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2022-11-22 01:11:01,268 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:11:01,268 INFO L93 Difference]: Finished difference Result 3761 states and 5217 transitions. [2022-11-22 01:11:01,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-22 01:11:01,269 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.0) internal successors, (25), 4 states have internal predecessors, (25), 2 states have call successors, (13), 3 states have call predecessors, (13), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 56 [2022-11-22 01:11:01,269 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:11:01,293 INFO L225 Difference]: With dead ends: 3761 [2022-11-22 01:11:01,293 INFO L226 Difference]: Without dead ends: 3759 [2022-11-22 01:11:01,296 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-11-22 01:11:01,297 INFO L413 NwaCegarLoop]: 3815 mSDtfsCounter, 3040 mSDsluCounter, 9217 mSDsCounter, 0 mSdLazyCounter, 1829 mSolverCounterSat, 2 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3050 SdHoareTripleChecker+Valid, 13032 SdHoareTripleChecker+Invalid, 1834 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 1829 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.2s IncrementalHoareTripleChecker+Time [2022-11-22 01:11:01,297 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3050 Valid, 13032 Invalid, 1834 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2 Valid, 1829 Invalid, 3 Unknown, 0 Unchecked, 10.2s Time] [2022-11-22 01:11:01,304 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3759 states. [2022-11-22 01:11:01,564 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3759 to 3736. [2022-11-22 01:11:01,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3736 states, 2312 states have (on average 1.3027681660899655) internal successors, (3012), 2381 states have internal predecessors, (3012), 1087 states have call successors, (1087), 320 states have call predecessors, (1087), 314 states have return successors, (1092), 1066 states have call predecessors, (1092), 1085 states have call successors, (1092) [2022-11-22 01:11:01,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3736 states to 3736 states and 5191 transitions. [2022-11-22 01:11:01,609 INFO L78 Accepts]: Start accepts. Automaton has 3736 states and 5191 transitions. Word has length 56 [2022-11-22 01:11:01,611 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:11:01,612 INFO L495 AbstractCegarLoop]: Abstraction has 3736 states and 5191 transitions. [2022-11-22 01:11:01,612 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.0) internal successors, (25), 4 states have internal predecessors, (25), 2 states have call successors, (13), 3 states have call predecessors, (13), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2022-11-22 01:11:01,612 INFO L276 IsEmpty]: Start isEmpty. Operand 3736 states and 5191 transitions. [2022-11-22 01:11:01,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2022-11-22 01:11:01,616 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:11:01,616 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 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] [2022-11-22 01:11:01,616 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-22 01:11:01,617 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_linux_block_queue_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 23 more)] === [2022-11-22 01:11:01,617 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:11:01,617 INFO L85 PathProgramCache]: Analyzing trace with hash -952746910, now seen corresponding path program 1 times [2022-11-22 01:11:01,618 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:11:01,618 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1039535631] [2022-11-22 01:11:01,618 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:11:01,618 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:11:01,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:11:02,038 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-11-22 01:11:02,038 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 01:11:02,038 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1039535631] [2022-11-22 01:11:02,038 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1039535631] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 01:11:02,039 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 01:11:02,039 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-22 01:11:02,039 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1252684487] [2022-11-22 01:11:02,039 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 01:11:02,039 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-22 01:11:02,040 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 01:11:02,040 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-22 01:11:02,040 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-22 01:11:02,040 INFO L87 Difference]: Start difference. First operand 3736 states and 5191 transitions. Second operand has 4 states, 4 states have (on average 6.75) internal successors, (27), 4 states have internal predecessors, (27), 2 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2022-11-22 01:11:04,552 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-22 01:11:06,739 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:11:09,390 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2022-11-22 01:11:10,675 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:11:10,675 INFO L93 Difference]: Finished difference Result 3744 states and 5199 transitions. [2022-11-22 01:11:10,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-22 01:11:10,676 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.75) internal successors, (27), 4 states have internal predecessors, (27), 2 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 57 [2022-11-22 01:11:10,676 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:11:10,697 INFO L225 Difference]: With dead ends: 3744 [2022-11-22 01:11:10,697 INFO L226 Difference]: Without dead ends: 3742 [2022-11-22 01:11:10,699 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-22 01:11:10,700 INFO L413 NwaCegarLoop]: 2819 mSDtfsCounter, 3117 mSDsluCounter, 3198 mSDsCounter, 0 mSdLazyCounter, 1022 mSolverCounterSat, 0 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3128 SdHoareTripleChecker+Valid, 6017 SdHoareTripleChecker+Invalid, 1025 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1022 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.4s IncrementalHoareTripleChecker+Time [2022-11-22 01:11:10,701 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3128 Valid, 6017 Invalid, 1025 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1022 Invalid, 3 Unknown, 0 Unchecked, 8.4s Time] [2022-11-22 01:11:10,706 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3742 states. [2022-11-22 01:11:10,903 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3742 to 3736. [2022-11-22 01:11:10,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3736 states, 2312 states have (on average 1.3023356401384083) internal successors, (3011), 2381 states have internal predecessors, (3011), 1087 states have call successors, (1087), 320 states have call predecessors, (1087), 315 states have return successors, (1095), 1066 states have call predecessors, (1095), 1085 states have call successors, (1095) [2022-11-22 01:11:10,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3736 states to 3736 states and 5193 transitions. [2022-11-22 01:11:10,931 INFO L78 Accepts]: Start accepts. Automaton has 3736 states and 5193 transitions. Word has length 57 [2022-11-22 01:11:10,931 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:11:10,931 INFO L495 AbstractCegarLoop]: Abstraction has 3736 states and 5193 transitions. [2022-11-22 01:11:10,931 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.75) internal successors, (27), 4 states have internal predecessors, (27), 2 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2022-11-22 01:11:10,932 INFO L276 IsEmpty]: Start isEmpty. Operand 3736 states and 5193 transitions. [2022-11-22 01:11:10,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2022-11-22 01:11:10,933 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:11:10,933 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 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] [2022-11-22 01:11:10,933 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-22 01:11:10,933 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_linux_block_request_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 23 more)] === [2022-11-22 01:11:10,934 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:11:10,934 INFO L85 PathProgramCache]: Analyzing trace with hash 275164187, now seen corresponding path program 1 times [2022-11-22 01:11:10,934 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:11:10,934 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1412128077] [2022-11-22 01:11:10,934 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:11:10,935 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:11:10,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:11:11,319 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-11-22 01:11:11,319 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 01:11:11,319 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1412128077] [2022-11-22 01:11:11,320 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1412128077] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 01:11:11,320 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 01:11:11,320 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-22 01:11:11,320 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1064271532] [2022-11-22 01:11:11,320 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 01:11:11,322 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-22 01:11:11,322 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 01:11:11,322 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-22 01:11:11,322 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-22 01:11:11,323 INFO L87 Difference]: Start difference. First operand 3736 states and 5193 transitions. Second operand has 4 states, 4 states have (on average 7.5) internal successors, (30), 4 states have internal predecessors, (30), 2 states have call successors, (13), 2 states have call predecessors, (13), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2022-11-22 01:11:13,798 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-22 01:11:15,985 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:11:18,616 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2022-11-22 01:11:19,842 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:11:19,842 INFO L93 Difference]: Finished difference Result 3742 states and 5197 transitions. [2022-11-22 01:11:19,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-22 01:11:19,843 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 7.5) internal successors, (30), 4 states have internal predecessors, (30), 2 states have call successors, (13), 2 states have call predecessors, (13), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 62 [2022-11-22 01:11:19,844 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:11:19,864 INFO L225 Difference]: With dead ends: 3742 [2022-11-22 01:11:19,864 INFO L226 Difference]: Without dead ends: 3740 [2022-11-22 01:11:19,867 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-22 01:11:19,867 INFO L413 NwaCegarLoop]: 2817 mSDtfsCounter, 3114 mSDsluCounter, 3196 mSDsCounter, 0 mSdLazyCounter, 1022 mSolverCounterSat, 0 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3125 SdHoareTripleChecker+Valid, 6013 SdHoareTripleChecker+Invalid, 1025 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1022 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.2s IncrementalHoareTripleChecker+Time [2022-11-22 01:11:19,868 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3125 Valid, 6013 Invalid, 1025 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1022 Invalid, 3 Unknown, 0 Unchecked, 8.2s Time] [2022-11-22 01:11:19,873 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3740 states. [2022-11-22 01:11:20,082 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3740 to 3734. [2022-11-22 01:11:20,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3734 states, 2311 states have (on average 1.302033751622674) internal successors, (3009), 2379 states have internal predecessors, (3009), 1087 states have call successors, (1087), 320 states have call predecessors, (1087), 315 states have return successors, (1095), 1066 states have call predecessors, (1095), 1085 states have call successors, (1095) [2022-11-22 01:11:20,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3734 states to 3734 states and 5191 transitions. [2022-11-22 01:11:20,111 INFO L78 Accepts]: Start accepts. Automaton has 3734 states and 5191 transitions. Word has length 62 [2022-11-22 01:11:20,111 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:11:20,111 INFO L495 AbstractCegarLoop]: Abstraction has 3734 states and 5191 transitions. [2022-11-22 01:11:20,111 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.5) internal successors, (30), 4 states have internal predecessors, (30), 2 states have call successors, (13), 2 states have call predecessors, (13), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2022-11-22 01:11:20,112 INFO L276 IsEmpty]: Start isEmpty. Operand 3734 states and 5191 transitions. [2022-11-22 01:11:20,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2022-11-22 01:11:20,113 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:11:20,113 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 01:11:20,113 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-22 01:11:20,113 INFO L420 AbstractCegarLoop]: === Iteration 6 === 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 23 more)] === [2022-11-22 01:11:20,114 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:11:20,114 INFO L85 PathProgramCache]: Analyzing trace with hash -719576917, now seen corresponding path program 1 times [2022-11-22 01:11:20,114 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:11:20,114 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [672576021] [2022-11-22 01:11:20,114 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:11:20,115 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:11:20,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:11:20,646 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-22 01:11:20,646 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 01:11:20,647 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [672576021] [2022-11-22 01:11:20,647 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [672576021] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 01:11:20,647 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 01:11:20,647 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-22 01:11:20,647 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1004685058] [2022-11-22 01:11:20,647 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 01:11:20,648 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-22 01:11:20,648 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 01:11:20,648 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-22 01:11:20,648 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-22 01:11:20,649 INFO L87 Difference]: Start difference. First operand 3734 states and 5191 transitions. Second operand has 5 states, 5 states have (on average 6.4) internal successors, (32), 4 states have internal predecessors, (32), 2 states have call successors, (15), 3 states have call predecessors, (15), 2 states have return successors, (12), 2 states have call predecessors, (12), 1 states have call successors, (12) [2022-11-22 01:11:23,490 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-22 01:11:25,756 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:11:28,105 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.29s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2022-11-22 01:11:30,803 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2022-11-22 01:11:32,638 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:11:32,639 INFO L93 Difference]: Finished difference Result 3758 states and 5215 transitions. [2022-11-22 01:11:32,639 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-22 01:11:32,639 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.4) internal successors, (32), 4 states have internal predecessors, (32), 2 states have call successors, (15), 3 states have call predecessors, (15), 2 states have return successors, (12), 2 states have call predecessors, (12), 1 states have call successors, (12) Word has length 67 [2022-11-22 01:11:32,640 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:11:32,663 INFO L225 Difference]: With dead ends: 3758 [2022-11-22 01:11:32,663 INFO L226 Difference]: Without dead ends: 3756 [2022-11-22 01:11:32,666 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-11-22 01:11:32,667 INFO L413 NwaCegarLoop]: 3414 mSDtfsCounter, 1688 mSDsluCounter, 9491 mSDsCounter, 0 mSdLazyCounter, 2147 mSolverCounterSat, 0 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1696 SdHoareTripleChecker+Valid, 12905 SdHoareTripleChecker+Invalid, 2150 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2147 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.5s IncrementalHoareTripleChecker+Time [2022-11-22 01:11:32,667 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1696 Valid, 12905 Invalid, 2150 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 2147 Invalid, 3 Unknown, 0 Unchecked, 11.5s Time] [2022-11-22 01:11:32,673 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3756 states. [2022-11-22 01:11:32,885 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3756 to 3744. [2022-11-22 01:11:32,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3744 states, 2317 states have (on average 1.3012516184721623) internal successors, (3015), 2385 states have internal predecessors, (3015), 1089 states have call successors, (1089), 323 states have call predecessors, (1089), 317 states have return successors, (1097), 1067 states have call predecessors, (1097), 1087 states have call successors, (1097) [2022-11-22 01:11:32,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3744 states to 3744 states and 5201 transitions. [2022-11-22 01:11:32,924 INFO L78 Accepts]: Start accepts. Automaton has 3744 states and 5201 transitions. Word has length 67 [2022-11-22 01:11:32,925 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:11:32,925 INFO L495 AbstractCegarLoop]: Abstraction has 3744 states and 5201 transitions. [2022-11-22 01:11:32,926 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.4) internal successors, (32), 4 states have internal predecessors, (32), 2 states have call successors, (15), 3 states have call predecessors, (15), 2 states have return successors, (12), 2 states have call predecessors, (12), 1 states have call successors, (12) [2022-11-22 01:11:32,926 INFO L276 IsEmpty]: Start isEmpty. Operand 3744 states and 5201 transitions. [2022-11-22 01:11:32,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2022-11-22 01:11:32,928 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:11:32,928 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 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] [2022-11-22 01:11:32,928 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-22 01:11:32,929 INFO L420 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 23 more)] === [2022-11-22 01:11:32,929 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:11:32,929 INFO L85 PathProgramCache]: Analyzing trace with hash -1340753020, now seen corresponding path program 1 times [2022-11-22 01:11:32,929 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:11:32,929 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2121924430] [2022-11-22 01:11:32,930 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:11:32,930 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:11:33,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:11:33,299 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-11-22 01:11:33,300 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 01:11:33,300 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2121924430] [2022-11-22 01:11:33,300 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2121924430] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 01:11:33,300 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 01:11:33,301 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-22 01:11:33,301 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [370037257] [2022-11-22 01:11:33,301 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 01:11:33,301 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-22 01:11:33,301 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 01:11:33,302 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-22 01:11:33,303 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-22 01:11:33,303 INFO L87 Difference]: Start difference. First operand 3744 states and 5201 transitions. Second operand has 4 states, 4 states have (on average 8.25) internal successors, (33), 4 states have internal predecessors, (33), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2022-11-22 01:11:35,804 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-22 01:11:37,034 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.06s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:11:38,311 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.28s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:11:40,843 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:11:42,984 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2022-11-22 01:11:44,107 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:11:44,107 INFO L93 Difference]: Finished difference Result 3751 states and 5205 transitions. [2022-11-22 01:11:44,108 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-22 01:11:44,108 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.25) internal successors, (33), 4 states have internal predecessors, (33), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 67 [2022-11-22 01:11:44,108 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:11:44,129 INFO L225 Difference]: With dead ends: 3751 [2022-11-22 01:11:44,129 INFO L226 Difference]: Without dead ends: 3749 [2022-11-22 01:11:44,132 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-22 01:11:44,133 INFO L413 NwaCegarLoop]: 2815 mSDtfsCounter, 3116 mSDsluCounter, 3194 mSDsCounter, 0 mSdLazyCounter, 1024 mSolverCounterSat, 0 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3123 SdHoareTripleChecker+Valid, 6009 SdHoareTripleChecker+Invalid, 1027 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1024 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.5s IncrementalHoareTripleChecker+Time [2022-11-22 01:11:44,133 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3123 Valid, 6009 Invalid, 1027 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1024 Invalid, 3 Unknown, 0 Unchecked, 10.5s Time] [2022-11-22 01:11:44,139 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3749 states. [2022-11-22 01:11:44,366 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3749 to 3745. [2022-11-22 01:11:44,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3745 states, 2318 states have (on average 1.3006902502157032) internal successors, (3015), 2385 states have internal predecessors, (3015), 1089 states have call successors, (1089), 323 states have call predecessors, (1089), 318 states have return successors, (1097), 1068 states have call predecessors, (1097), 1087 states have call successors, (1097) [2022-11-22 01:11:44,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3745 states to 3745 states and 5201 transitions. [2022-11-22 01:11:44,389 INFO L78 Accepts]: Start accepts. Automaton has 3745 states and 5201 transitions. Word has length 67 [2022-11-22 01:11:44,390 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:11:44,390 INFO L495 AbstractCegarLoop]: Abstraction has 3745 states and 5201 transitions. [2022-11-22 01:11:44,390 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.25) internal successors, (33), 4 states have internal predecessors, (33), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2022-11-22 01:11:44,390 INFO L276 IsEmpty]: Start isEmpty. Operand 3745 states and 5201 transitions. [2022-11-22 01:11:44,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2022-11-22 01:11:44,393 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:11:44,393 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 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] [2022-11-22 01:11:44,393 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-22 01:11:44,393 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_linux_fs_char_dev_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 23 more)] === [2022-11-22 01:11:44,394 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:11:44,394 INFO L85 PathProgramCache]: Analyzing trace with hash 590348186, now seen corresponding path program 1 times [2022-11-22 01:11:44,394 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:11:44,394 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1042032309] [2022-11-22 01:11:44,394 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:11:44,395 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:11:44,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:11:44,767 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-11-22 01:11:44,767 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 01:11:44,768 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1042032309] [2022-11-22 01:11:44,768 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1042032309] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 01:11:44,768 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 01:11:44,768 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-22 01:11:44,768 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [368764831] [2022-11-22 01:11:44,769 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 01:11:44,770 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-22 01:11:44,770 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 01:11:44,770 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-22 01:11:44,770 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-22 01:11:44,771 INFO L87 Difference]: Start difference. First operand 3745 states and 5201 transitions. Second operand has 4 states, 4 states have (on average 9.0) internal successors, (36), 4 states have internal predecessors, (36), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2022-11-22 01:11:48,223 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:11:50,700 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2022-11-22 01:11:51,830 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:11:51,831 INFO L93 Difference]: Finished difference Result 3745 states and 5201 transitions. [2022-11-22 01:11:51,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-22 01:11:51,831 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.0) internal successors, (36), 4 states have internal predecessors, (36), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 72 [2022-11-22 01:11:51,832 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:11:51,853 INFO L225 Difference]: With dead ends: 3745 [2022-11-22 01:11:51,853 INFO L226 Difference]: Without dead ends: 3743 [2022-11-22 01:11:51,857 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-22 01:11:51,858 INFO L413 NwaCegarLoop]: 2726 mSDtfsCounter, 3172 mSDsluCounter, 2726 mSDsCounter, 0 mSdLazyCounter, 951 mSolverCounterSat, 0 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3180 SdHoareTripleChecker+Valid, 5452 SdHoareTripleChecker+Invalid, 953 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 951 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.8s IncrementalHoareTripleChecker+Time [2022-11-22 01:11:51,858 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3180 Valid, 5452 Invalid, 953 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 951 Invalid, 2 Unknown, 0 Unchecked, 6.8s Time] [2022-11-22 01:11:51,864 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3743 states. [2022-11-22 01:11:52,107 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3743 to 3743. [2022-11-22 01:11:52,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3743 states, 2317 states have (on average 1.3003884333189468) internal successors, (3013), 2383 states have internal predecessors, (3013), 1089 states have call successors, (1089), 323 states have call predecessors, (1089), 318 states have return successors, (1097), 1068 states have call predecessors, (1097), 1087 states have call successors, (1097) [2022-11-22 01:11:52,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3743 states to 3743 states and 5199 transitions. [2022-11-22 01:11:52,130 INFO L78 Accepts]: Start accepts. Automaton has 3743 states and 5199 transitions. Word has length 72 [2022-11-22 01:11:52,130 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:11:52,130 INFO L495 AbstractCegarLoop]: Abstraction has 3743 states and 5199 transitions. [2022-11-22 01:11:52,131 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.0) internal successors, (36), 4 states have internal predecessors, (36), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2022-11-22 01:11:52,131 INFO L276 IsEmpty]: Start isEmpty. Operand 3743 states and 5199 transitions. [2022-11-22 01:11:52,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2022-11-22 01:11:52,132 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:11:52,132 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 01:11:52,133 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-22 01:11:52,133 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 23 more)] === [2022-11-22 01:11:52,133 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:11:52,133 INFO L85 PathProgramCache]: Analyzing trace with hash 396092437, now seen corresponding path program 1 times [2022-11-22 01:11:52,134 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:11:52,134 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [780208855] [2022-11-22 01:11:52,134 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:11:52,134 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:11:52,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:11:52,744 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2022-11-22 01:11:52,744 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 01:11:52,744 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [780208855] [2022-11-22 01:11:52,744 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [780208855] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 01:11:52,744 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 01:11:52,744 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-22 01:11:52,745 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [545181595] [2022-11-22 01:11:52,745 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 01:11:52,745 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-22 01:11:52,745 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 01:11:52,745 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-22 01:11:52,746 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-22 01:11:52,746 INFO L87 Difference]: Start difference. First operand 3743 states and 5199 transitions. Second operand has 4 states, 4 states have (on average 9.25) internal successors, (37), 4 states have internal predecessors, (37), 2 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2022-11-22 01:11:54,557 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.17s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-22 01:11:56,570 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-22 01:11:58,582 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-22 01:12:00,782 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:12:02,860 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.44s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2022-11-22 01:12:04,450 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:12:04,450 INFO L93 Difference]: Finished difference Result 7474 states and 10392 transitions. [2022-11-22 01:12:04,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-22 01:12:04,450 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.25) internal successors, (37), 4 states have internal predecessors, (37), 2 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 86 [2022-11-22 01:12:04,451 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:12:04,471 INFO L225 Difference]: With dead ends: 7474 [2022-11-22 01:12:04,471 INFO L226 Difference]: Without dead ends: 3747 [2022-11-22 01:12:04,488 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-22 01:12:04,489 INFO L413 NwaCegarLoop]: 2727 mSDtfsCounter, 5 mSDsluCounter, 5451 mSDsCounter, 0 mSdLazyCounter, 1431 mSolverCounterSat, 0 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 8178 SdHoareTripleChecker+Invalid, 1434 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1431 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.4s IncrementalHoareTripleChecker+Time [2022-11-22 01:12:04,489 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 8178 Invalid, 1434 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1431 Invalid, 3 Unknown, 0 Unchecked, 11.4s Time] [2022-11-22 01:12:04,495 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3747 states. [2022-11-22 01:12:04,792 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3747 to 3745. [2022-11-22 01:12:04,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3745 states, 2319 states have (on average 1.3001293661060802) internal successors, (3015), 2385 states have internal predecessors, (3015), 1089 states have call successors, (1089), 323 states have call predecessors, (1089), 318 states have return successors, (1097), 1068 states have call predecessors, (1097), 1087 states have call successors, (1097) [2022-11-22 01:12:04,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3745 states to 3745 states and 5201 transitions. [2022-11-22 01:12:04,814 INFO L78 Accepts]: Start accepts. Automaton has 3745 states and 5201 transitions. Word has length 86 [2022-11-22 01:12:04,815 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:12:04,815 INFO L495 AbstractCegarLoop]: Abstraction has 3745 states and 5201 transitions. [2022-11-22 01:12:04,815 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.25) internal successors, (37), 4 states have internal predecessors, (37), 2 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2022-11-22 01:12:04,815 INFO L276 IsEmpty]: Start isEmpty. Operand 3745 states and 5201 transitions. [2022-11-22 01:12:04,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2022-11-22 01:12:04,819 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:12:04,819 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 01:12:04,819 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-11-22 01:12:04,820 INFO L420 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 23 more)] === [2022-11-22 01:12:04,820 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:12:04,821 INFO L85 PathProgramCache]: Analyzing trace with hash 1867319838, now seen corresponding path program 1 times [2022-11-22 01:12:04,821 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:12:04,821 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [540780089] [2022-11-22 01:12:04,821 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:12:04,821 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:12:04,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:12:05,167 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-11-22 01:12:05,167 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 01:12:05,167 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [540780089] [2022-11-22 01:12:05,167 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [540780089] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 01:12:05,168 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 01:12:05,168 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-22 01:12:05,168 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1041436997] [2022-11-22 01:12:05,168 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 01:12:05,168 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-22 01:12:05,169 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 01:12:05,169 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-22 01:12:05,169 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-22 01:12:05,169 INFO L87 Difference]: Start difference. First operand 3745 states and 5201 transitions. Second operand has 4 states, 4 states have (on average 9.75) internal successors, (39), 4 states have internal predecessors, (39), 2 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2022-11-22 01:12:07,067 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.39s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-22 01:12:09,077 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-22 01:12:11,242 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:12:13,681 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2022-11-22 01:12:14,988 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:12:14,988 INFO L93 Difference]: Finished difference Result 3745 states and 5201 transitions. [2022-11-22 01:12:14,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-22 01:12:14,989 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.75) internal successors, (39), 4 states have internal predecessors, (39), 2 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 77 [2022-11-22 01:12:14,989 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:12:15,006 INFO L225 Difference]: With dead ends: 3745 [2022-11-22 01:12:15,006 INFO L226 Difference]: Without dead ends: 3743 [2022-11-22 01:12:15,008 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-22 01:12:15,009 INFO L413 NwaCegarLoop]: 2724 mSDtfsCounter, 3169 mSDsluCounter, 2724 mSDsCounter, 0 mSdLazyCounter, 950 mSolverCounterSat, 0 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3177 SdHoareTripleChecker+Valid, 5448 SdHoareTripleChecker+Invalid, 953 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 950 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.5s IncrementalHoareTripleChecker+Time [2022-11-22 01:12:15,010 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3177 Valid, 5448 Invalid, 953 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 950 Invalid, 3 Unknown, 0 Unchecked, 9.5s Time] [2022-11-22 01:12:15,016 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3743 states. [2022-11-22 01:12:15,288 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3743 to 3743. [2022-11-22 01:12:15,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3743 states, 2318 states have (on average 1.299827437446074) internal successors, (3013), 2383 states have internal predecessors, (3013), 1089 states have call successors, (1089), 323 states have call predecessors, (1089), 318 states have return successors, (1097), 1068 states have call predecessors, (1097), 1087 states have call successors, (1097) [2022-11-22 01:12:15,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3743 states to 3743 states and 5199 transitions. [2022-11-22 01:12:15,311 INFO L78 Accepts]: Start accepts. Automaton has 3743 states and 5199 transitions. Word has length 77 [2022-11-22 01:12:15,312 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:12:15,312 INFO L495 AbstractCegarLoop]: Abstraction has 3743 states and 5199 transitions. [2022-11-22 01:12:15,312 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.75) internal successors, (39), 4 states have internal predecessors, (39), 2 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2022-11-22 01:12:15,312 INFO L276 IsEmpty]: Start isEmpty. Operand 3743 states and 5199 transitions. [2022-11-22 01:12:15,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2022-11-22 01:12:15,314 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:12:15,314 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 01:12:15,314 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-11-22 01:12:15,315 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 23 more)] === [2022-11-22 01:12:15,315 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:12:15,316 INFO L85 PathProgramCache]: Analyzing trace with hash 286379959, now seen corresponding path program 1 times [2022-11-22 01:12:15,316 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:12:15,316 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1813976693] [2022-11-22 01:12:15,316 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:12:15,316 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:12:15,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:12:15,973 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2022-11-22 01:12:15,974 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 01:12:15,974 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1813976693] [2022-11-22 01:12:15,974 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1813976693] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 01:12:15,974 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 01:12:15,974 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-22 01:12:15,974 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1641611430] [2022-11-22 01:12:15,975 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 01:12:15,975 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-22 01:12:15,975 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 01:12:15,975 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-22 01:12:15,976 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-22 01:12:15,976 INFO L87 Difference]: Start difference. First operand 3743 states and 5199 transitions. Second operand has 4 states, 4 states have (on average 9.75) internal successors, (39), 4 states have internal predecessors, (39), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2022-11-22 01:12:18,833 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-22 01:12:21,020 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:12:23,536 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2022-11-22 01:12:25,222 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:12:25,223 INFO L93 Difference]: Finished difference Result 7476 states and 10394 transitions. [2022-11-22 01:12:25,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-22 01:12:25,223 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.75) internal successors, (39), 4 states have internal predecessors, (39), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 90 [2022-11-22 01:12:25,223 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:12:25,238 INFO L225 Difference]: With dead ends: 7476 [2022-11-22 01:12:25,239 INFO L226 Difference]: Without dead ends: 3749 [2022-11-22 01:12:25,255 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-22 01:12:25,256 INFO L413 NwaCegarLoop]: 2724 mSDtfsCounter, 10 mSDsluCounter, 5441 mSDsCounter, 0 mSdLazyCounter, 1431 mSolverCounterSat, 0 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 8165 SdHoareTripleChecker+Invalid, 1434 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1431 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.8s IncrementalHoareTripleChecker+Time [2022-11-22 01:12:25,256 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 8165 Invalid, 1434 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1431 Invalid, 3 Unknown, 0 Unchecked, 8.8s Time] [2022-11-22 01:12:25,261 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3749 states. [2022-11-22 01:12:25,520 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3749 to 3745. [2022-11-22 01:12:25,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3745 states, 2320 states have (on average 1.2995689655172413) internal successors, (3015), 2385 states have internal predecessors, (3015), 1089 states have call successors, (1089), 323 states have call predecessors, (1089), 318 states have return successors, (1097), 1068 states have call predecessors, (1097), 1087 states have call successors, (1097) [2022-11-22 01:12:25,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3745 states to 3745 states and 5201 transitions. [2022-11-22 01:12:25,540 INFO L78 Accepts]: Start accepts. Automaton has 3745 states and 5201 transitions. Word has length 90 [2022-11-22 01:12:25,541 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:12:25,541 INFO L495 AbstractCegarLoop]: Abstraction has 3745 states and 5201 transitions. [2022-11-22 01:12:25,541 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.75) internal successors, (39), 4 states have internal predecessors, (39), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2022-11-22 01:12:25,541 INFO L276 IsEmpty]: Start isEmpty. Operand 3745 states and 5201 transitions. [2022-11-22 01:12:25,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2022-11-22 01:12:25,543 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:12:25,543 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 01:12:25,543 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-11-22 01:12:25,543 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_linux_kernel_locking_rwlock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 23 more)] === [2022-11-22 01:12:25,544 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:12:25,544 INFO L85 PathProgramCache]: Analyzing trace with hash -1594831262, now seen corresponding path program 1 times [2022-11-22 01:12:25,544 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:12:25,544 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [436940893] [2022-11-22 01:12:25,544 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:12:25,545 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:12:25,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:12:25,863 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-11-22 01:12:25,863 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 01:12:25,863 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [436940893] [2022-11-22 01:12:25,864 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [436940893] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 01:12:25,864 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 01:12:25,864 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-22 01:12:25,864 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [563891313] [2022-11-22 01:12:25,864 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 01:12:25,865 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-22 01:12:25,865 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 01:12:25,865 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-22 01:12:25,865 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-22 01:12:25,866 INFO L87 Difference]: Start difference. First operand 3745 states and 5201 transitions. Second operand has 4 states, 4 states have (on average 10.5) internal successors, (42), 4 states have internal predecessors, (42), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2022-11-22 01:12:29,297 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-22 01:12:31,455 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:12:33,929 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2022-11-22 01:12:35,091 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:12:35,092 INFO L93 Difference]: Finished difference Result 3745 states and 5201 transitions. [2022-11-22 01:12:35,092 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-22 01:12:35,092 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.5) internal successors, (42), 4 states have internal predecessors, (42), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 82 [2022-11-22 01:12:35,093 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:12:35,108 INFO L225 Difference]: With dead ends: 3745 [2022-11-22 01:12:35,108 INFO L226 Difference]: Without dead ends: 3743 [2022-11-22 01:12:35,111 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-22 01:12:35,112 INFO L413 NwaCegarLoop]: 2722 mSDtfsCounter, 3170 mSDsluCounter, 2718 mSDsCounter, 0 mSdLazyCounter, 950 mSolverCounterSat, 0 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3178 SdHoareTripleChecker+Valid, 5440 SdHoareTripleChecker+Invalid, 953 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 950 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.9s IncrementalHoareTripleChecker+Time [2022-11-22 01:12:35,112 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3178 Valid, 5440 Invalid, 953 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 950 Invalid, 3 Unknown, 0 Unchecked, 8.9s Time] [2022-11-22 01:12:35,117 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3743 states. [2022-11-22 01:12:35,434 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3743 to 3743. [2022-11-22 01:12:35,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3743 states, 2319 states have (on average 1.299266925398879) internal successors, (3013), 2383 states have internal predecessors, (3013), 1089 states have call successors, (1089), 323 states have call predecessors, (1089), 318 states have return successors, (1097), 1068 states have call predecessors, (1097), 1087 states have call successors, (1097) [2022-11-22 01:12:35,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3743 states to 3743 states and 5199 transitions. [2022-11-22 01:12:35,456 INFO L78 Accepts]: Start accepts. Automaton has 3743 states and 5199 transitions. Word has length 82 [2022-11-22 01:12:35,456 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:12:35,456 INFO L495 AbstractCegarLoop]: Abstraction has 3743 states and 5199 transitions. [2022-11-22 01:12:35,457 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.5) internal successors, (42), 4 states have internal predecessors, (42), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2022-11-22 01:12:35,457 INFO L276 IsEmpty]: Start isEmpty. Operand 3743 states and 5199 transitions. [2022-11-22 01:12:35,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2022-11-22 01:12:35,458 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:12:35,458 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 01:12:35,459 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-11-22 01:12:35,459 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_linux_kernel_locking_rwlock_check_final_stateErr1ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 23 more)] === [2022-11-22 01:12:35,459 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:12:35,459 INFO L85 PathProgramCache]: Analyzing trace with hash 670626949, now seen corresponding path program 1 times [2022-11-22 01:12:35,460 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:12:35,460 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [149055872] [2022-11-22 01:12:35,460 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:12:35,460 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:12:35,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:12:35,781 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-11-22 01:12:35,781 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 01:12:35,781 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [149055872] [2022-11-22 01:12:35,782 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [149055872] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 01:12:35,782 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 01:12:35,782 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-22 01:12:35,782 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [43533307] [2022-11-22 01:12:35,782 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 01:12:35,783 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-22 01:12:35,783 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 01:12:35,784 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-22 01:12:35,784 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-22 01:12:35,784 INFO L87 Difference]: Start difference. First operand 3743 states and 5199 transitions. Second operand has 4 states, 4 states have (on average 11.0) internal successors, (44), 4 states have internal predecessors, (44), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2022-11-22 01:12:38,314 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-22 01:12:40,491 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:12:43,036 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2022-11-22 01:12:44,305 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:12:44,305 INFO L93 Difference]: Finished difference Result 3747 states and 5201 transitions. [2022-11-22 01:12:44,306 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-22 01:12:44,306 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.0) internal successors, (44), 4 states have internal predecessors, (44), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 84 [2022-11-22 01:12:44,306 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:12:44,322 INFO L225 Difference]: With dead ends: 3747 [2022-11-22 01:12:44,322 INFO L226 Difference]: Without dead ends: 3745 [2022-11-22 01:12:44,325 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-22 01:12:44,325 INFO L413 NwaCegarLoop]: 2797 mSDtfsCounter, 3098 mSDsluCounter, 3176 mSDsCounter, 0 mSdLazyCounter, 1016 mSolverCounterSat, 0 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3109 SdHoareTripleChecker+Valid, 5973 SdHoareTripleChecker+Invalid, 1019 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1016 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.1s IncrementalHoareTripleChecker+Time [2022-11-22 01:12:44,326 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3109 Valid, 5973 Invalid, 1019 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1016 Invalid, 3 Unknown, 0 Unchecked, 8.1s Time] [2022-11-22 01:12:44,331 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3745 states. [2022-11-22 01:12:44,639 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3745 to 3741. [2022-11-22 01:12:44,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3741 states, 2318 states have (on average 1.2989646246764452) internal successors, (3011), 2381 states have internal predecessors, (3011), 1089 states have call successors, (1089), 323 states have call predecessors, (1089), 318 states have return successors, (1097), 1068 states have call predecessors, (1097), 1087 states have call successors, (1097) [2022-11-22 01:12:44,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3741 states to 3741 states and 5197 transitions. [2022-11-22 01:12:44,662 INFO L78 Accepts]: Start accepts. Automaton has 3741 states and 5197 transitions. Word has length 84 [2022-11-22 01:12:44,663 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:12:44,663 INFO L495 AbstractCegarLoop]: Abstraction has 3741 states and 5197 transitions. [2022-11-22 01:12:44,663 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.0) internal successors, (44), 4 states have internal predecessors, (44), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2022-11-22 01:12:44,663 INFO L276 IsEmpty]: Start isEmpty. Operand 3741 states and 5197 transitions. [2022-11-22 01:12:44,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2022-11-22 01:12:44,668 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:12:44,668 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 01:12:44,669 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-11-22 01:12:44,669 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 23 more)] === [2022-11-22 01:12:44,669 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:12:44,669 INFO L85 PathProgramCache]: Analyzing trace with hash 1760866102, now seen corresponding path program 1 times [2022-11-22 01:12:44,670 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:12:44,670 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1162749780] [2022-11-22 01:12:44,670 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:12:44,670 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:12:44,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:12:45,664 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2022-11-22 01:12:45,665 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 01:12:45,665 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1162749780] [2022-11-22 01:12:45,665 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1162749780] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 01:12:45,665 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 01:12:45,665 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-22 01:12:45,665 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2080068305] [2022-11-22 01:12:45,665 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 01:12:45,666 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-22 01:12:45,666 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 01:12:45,666 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-22 01:12:45,666 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-22 01:12:45,667 INFO L87 Difference]: Start difference. First operand 3741 states and 5197 transitions. Second operand has 6 states, 6 states have (on average 7.333333333333333) internal successors, (44), 5 states have internal predecessors, (44), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (15), 3 states have call predecessors, (15), 2 states have call successors, (15) [2022-11-22 01:12:48,137 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.31s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-22 01:12:50,366 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.74s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-22 01:12:52,152 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.79s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-22 01:12:54,165 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-22 01:12:56,456 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:12:59,402 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2022-11-22 01:13:01,937 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:13:01,937 INFO L93 Difference]: Finished difference Result 7479 states and 10405 transitions. [2022-11-22 01:13:01,937 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-22 01:13:01,937 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.333333333333333) internal successors, (44), 5 states have internal predecessors, (44), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (15), 3 states have call predecessors, (15), 2 states have call successors, (15) Word has length 100 [2022-11-22 01:13:01,938 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:13:01,954 INFO L225 Difference]: With dead ends: 7479 [2022-11-22 01:13:01,954 INFO L226 Difference]: Without dead ends: 3754 [2022-11-22 01:13:01,968 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2022-11-22 01:13:01,969 INFO L413 NwaCegarLoop]: 2721 mSDtfsCounter, 11 mSDsluCounter, 10869 mSDsCounter, 0 mSdLazyCounter, 2394 mSolverCounterSat, 1 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 15.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 13590 SdHoareTripleChecker+Invalid, 2398 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 2394 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15.8s IncrementalHoareTripleChecker+Time [2022-11-22 01:13:01,969 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 13590 Invalid, 2398 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 2394 Invalid, 3 Unknown, 0 Unchecked, 15.8s Time] [2022-11-22 01:13:01,974 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3754 states. [2022-11-22 01:13:02,282 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3754 to 3744. [2022-11-22 01:13:02,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3744 states, 2320 states have (on average 1.298706896551724) internal successors, (3013), 2383 states have internal predecessors, (3013), 1089 states have call successors, (1089), 323 states have call predecessors, (1089), 319 states have return successors, (1101), 1069 states have call predecessors, (1101), 1087 states have call successors, (1101) [2022-11-22 01:13:02,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3744 states to 3744 states and 5203 transitions. [2022-11-22 01:13:02,304 INFO L78 Accepts]: Start accepts. Automaton has 3744 states and 5203 transitions. Word has length 100 [2022-11-22 01:13:02,305 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:13:02,305 INFO L495 AbstractCegarLoop]: Abstraction has 3744 states and 5203 transitions. [2022-11-22 01:13:02,305 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.333333333333333) internal successors, (44), 5 states have internal predecessors, (44), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (15), 3 states have call predecessors, (15), 2 states have call successors, (15) [2022-11-22 01:13:02,306 INFO L276 IsEmpty]: Start isEmpty. Operand 3744 states and 5203 transitions. [2022-11-22 01:13:02,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2022-11-22 01:13:02,307 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:13:02,307 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 01:13:02,308 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-11-22 01:13:02,308 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ldv_linux_kernel_module_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 23 more)] === [2022-11-22 01:13:02,308 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:13:02,308 INFO L85 PathProgramCache]: Analyzing trace with hash -269912227, now seen corresponding path program 1 times [2022-11-22 01:13:02,309 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:13:02,309 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1726295066] [2022-11-22 01:13:02,309 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:13:02,309 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:13:02,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:13:02,703 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-11-22 01:13:02,703 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 01:13:02,704 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1726295066] [2022-11-22 01:13:02,704 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1726295066] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 01:13:02,704 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 01:13:02,704 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-22 01:13:02,704 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1732729879] [2022-11-22 01:13:02,704 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 01:13:02,705 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-22 01:13:02,705 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 01:13:02,705 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-22 01:13:02,706 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-22 01:13:02,706 INFO L87 Difference]: Start difference. First operand 3744 states and 5203 transitions. Second operand has 4 states, 4 states have (on average 11.75) internal successors, (47), 4 states have internal predecessors, (47), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2022-11-22 01:13:05,217 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-22 01:13:07,402 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:13:09,787 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.64s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2022-11-22 01:13:11,013 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:13:11,013 INFO L93 Difference]: Finished difference Result 3748 states and 5205 transitions. [2022-11-22 01:13:11,013 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-22 01:13:11,013 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.75) internal successors, (47), 4 states have internal predecessors, (47), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 89 [2022-11-22 01:13:11,014 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:13:11,027 INFO L225 Difference]: With dead ends: 3748 [2022-11-22 01:13:11,027 INFO L226 Difference]: Without dead ends: 3746 [2022-11-22 01:13:11,030 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-22 01:13:11,031 INFO L413 NwaCegarLoop]: 2805 mSDtfsCounter, 3100 mSDsluCounter, 3184 mSDsCounter, 0 mSdLazyCounter, 1024 mSolverCounterSat, 0 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3109 SdHoareTripleChecker+Valid, 5989 SdHoareTripleChecker+Invalid, 1026 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1024 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.9s IncrementalHoareTripleChecker+Time [2022-11-22 01:13:11,031 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3109 Valid, 5989 Invalid, 1026 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1024 Invalid, 2 Unknown, 0 Unchecked, 7.9s Time] [2022-11-22 01:13:11,036 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3746 states. [2022-11-22 01:13:11,402 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3746 to 3742. [2022-11-22 01:13:11,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3742 states, 2319 states have (on average 1.2984044846916774) internal successors, (3011), 2381 states have internal predecessors, (3011), 1089 states have call successors, (1089), 323 states have call predecessors, (1089), 319 states have return successors, (1101), 1069 states have call predecessors, (1101), 1087 states have call successors, (1101) [2022-11-22 01:13:11,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3742 states to 3742 states and 5201 transitions. [2022-11-22 01:13:11,421 INFO L78 Accepts]: Start accepts. Automaton has 3742 states and 5201 transitions. Word has length 89 [2022-11-22 01:13:11,422 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:13:11,422 INFO L495 AbstractCegarLoop]: Abstraction has 3742 states and 5201 transitions. [2022-11-22 01:13:11,422 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.75) internal successors, (47), 4 states have internal predecessors, (47), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2022-11-22 01:13:11,423 INFO L276 IsEmpty]: Start isEmpty. Operand 3742 states and 5201 transitions. [2022-11-22 01:13:11,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2022-11-22 01:13:11,425 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:13:11,425 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 01:13:11,425 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-11-22 01:13:11,425 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ldv_linux_kernel_rcu_update_lock_bh_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 23 more)] === [2022-11-22 01:13:11,426 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:13:11,426 INFO L85 PathProgramCache]: Analyzing trace with hash 29701482, now seen corresponding path program 1 times [2022-11-22 01:13:11,426 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:13:11,426 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1746483965] [2022-11-22 01:13:11,426 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:13:11,427 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:13:11,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:13:11,790 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-11-22 01:13:11,791 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 01:13:11,791 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1746483965] [2022-11-22 01:13:11,793 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1746483965] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 01:13:11,793 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 01:13:11,794 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-22 01:13:11,794 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1651359985] [2022-11-22 01:13:11,794 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 01:13:11,794 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-22 01:13:11,795 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 01:13:11,795 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-22 01:13:11,795 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-22 01:13:11,795 INFO L87 Difference]: Start difference. First operand 3742 states and 5201 transitions. Second operand has 4 states, 4 states have (on average 12.5) internal successors, (50), 4 states have internal predecessors, (50), 2 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2022-11-22 01:13:13,337 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.01s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-22 01:13:15,343 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-22 01:13:17,510 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:13:19,489 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:13:19,489 INFO L93 Difference]: Finished difference Result 3742 states and 5201 transitions. [2022-11-22 01:13:19,490 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-22 01:13:19,490 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.5) internal successors, (50), 4 states have internal predecessors, (50), 2 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 94 [2022-11-22 01:13:19,491 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:13:19,505 INFO L225 Difference]: With dead ends: 3742 [2022-11-22 01:13:19,506 INFO L226 Difference]: Without dead ends: 3740 [2022-11-22 01:13:19,508 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-22 01:13:19,509 INFO L413 NwaCegarLoop]: 2716 mSDtfsCounter, 3161 mSDsluCounter, 2716 mSDsCounter, 0 mSdLazyCounter, 952 mSolverCounterSat, 0 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3167 SdHoareTripleChecker+Valid, 5432 SdHoareTripleChecker+Invalid, 954 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 952 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.3s IncrementalHoareTripleChecker+Time [2022-11-22 01:13:19,510 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3167 Valid, 5432 Invalid, 954 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 952 Invalid, 2 Unknown, 0 Unchecked, 7.3s Time] [2022-11-22 01:13:19,515 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3740 states. [2022-11-22 01:13:19,933 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3740 to 3740. [2022-11-22 01:13:19,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3740 states, 2318 states have (on average 1.2981018119068162) internal successors, (3009), 2379 states have internal predecessors, (3009), 1089 states have call successors, (1089), 323 states have call predecessors, (1089), 319 states have return successors, (1101), 1069 states have call predecessors, (1101), 1087 states have call successors, (1101) [2022-11-22 01:13:19,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3740 states to 3740 states and 5199 transitions. [2022-11-22 01:13:19,952 INFO L78 Accepts]: Start accepts. Automaton has 3740 states and 5199 transitions. Word has length 94 [2022-11-22 01:13:19,953 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:13:19,953 INFO L495 AbstractCegarLoop]: Abstraction has 3740 states and 5199 transitions. [2022-11-22 01:13:19,953 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.5) internal successors, (50), 4 states have internal predecessors, (50), 2 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2022-11-22 01:13:19,953 INFO L276 IsEmpty]: Start isEmpty. Operand 3740 states and 5199 transitions. [2022-11-22 01:13:19,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2022-11-22 01:13:19,956 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:13:19,956 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 01:13:19,956 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-11-22 01:13:19,956 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ldv_linux_kernel_rcu_update_lock_sched_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 23 more)] === [2022-11-22 01:13:19,957 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:13:19,957 INFO L85 PathProgramCache]: Analyzing trace with hash 1659863133, now seen corresponding path program 1 times [2022-11-22 01:13:19,957 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:13:19,957 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2054668838] [2022-11-22 01:13:19,957 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:13:19,958 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:13:20,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:13:20,290 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-11-22 01:13:20,290 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 01:13:20,290 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2054668838] [2022-11-22 01:13:20,291 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2054668838] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 01:13:20,291 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 01:13:20,291 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-22 01:13:20,291 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1477318811] [2022-11-22 01:13:20,291 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 01:13:20,292 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-22 01:13:20,292 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 01:13:20,292 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-22 01:13:20,292 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-22 01:13:20,293 INFO L87 Difference]: Start difference. First operand 3740 states and 5199 transitions. Second operand has 4 states, 4 states have (on average 13.25) internal successors, (53), 4 states have internal predecessors, (53), 2 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2022-11-22 01:13:22,870 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-22 01:13:25,066 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:13:27,638 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2022-11-22 01:13:29,075 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:13:29,075 INFO L93 Difference]: Finished difference Result 3744 states and 5201 transitions. [2022-11-22 01:13:29,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-22 01:13:29,076 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.25) internal successors, (53), 4 states have internal predecessors, (53), 2 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 99 [2022-11-22 01:13:29,076 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:13:29,088 INFO L225 Difference]: With dead ends: 3744 [2022-11-22 01:13:29,088 INFO L226 Difference]: Without dead ends: 3742 [2022-11-22 01:13:29,089 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-22 01:13:29,090 INFO L413 NwaCegarLoop]: 2791 mSDtfsCounter, 3091 mSDsluCounter, 3170 mSDsCounter, 0 mSdLazyCounter, 1016 mSolverCounterSat, 0 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3102 SdHoareTripleChecker+Valid, 5961 SdHoareTripleChecker+Invalid, 1019 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1016 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.3s IncrementalHoareTripleChecker+Time [2022-11-22 01:13:29,090 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3102 Valid, 5961 Invalid, 1019 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1016 Invalid, 3 Unknown, 0 Unchecked, 8.3s Time] [2022-11-22 01:13:29,094 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3742 states. [2022-11-22 01:13:29,475 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3742 to 3738. [2022-11-22 01:13:29,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3738 states, 2317 states have (on average 1.2977988778593008) internal successors, (3007), 2377 states have internal predecessors, (3007), 1089 states have call successors, (1089), 323 states have call predecessors, (1089), 319 states have return successors, (1101), 1069 states have call predecessors, (1101), 1087 states have call successors, (1101) [2022-11-22 01:13:29,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3738 states to 3738 states and 5197 transitions. [2022-11-22 01:13:29,496 INFO L78 Accepts]: Start accepts. Automaton has 3738 states and 5197 transitions. Word has length 99 [2022-11-22 01:13:29,497 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:13:29,498 INFO L495 AbstractCegarLoop]: Abstraction has 3738 states and 5197 transitions. [2022-11-22 01:13:29,498 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.25) internal successors, (53), 4 states have internal predecessors, (53), 2 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2022-11-22 01:13:29,498 INFO L276 IsEmpty]: Start isEmpty. Operand 3738 states and 5197 transitions. [2022-11-22 01:13:29,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2022-11-22 01:13:29,501 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:13:29,502 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 01:13:29,502 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-11-22 01:13:29,502 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 23 more)] === [2022-11-22 01:13:29,502 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:13:29,503 INFO L85 PathProgramCache]: Analyzing trace with hash 991095774, now seen corresponding path program 1 times [2022-11-22 01:13:29,503 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:13:29,503 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1717359662] [2022-11-22 01:13:29,503 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:13:29,503 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:13:29,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:13:29,870 INFO L134 CoverageAnalysis]: Checked inductivity of 109 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 103 trivial. 0 not checked. [2022-11-22 01:13:29,870 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 01:13:29,870 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1717359662] [2022-11-22 01:13:29,871 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1717359662] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 01:13:29,871 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 01:13:29,871 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-22 01:13:29,871 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [981090054] [2022-11-22 01:13:29,871 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 01:13:29,871 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-22 01:13:29,872 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 01:13:29,872 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-22 01:13:29,872 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-22 01:13:29,872 INFO L87 Difference]: Start difference. First operand 3738 states and 5197 transitions. Second operand has 5 states, 5 states have (on average 11.0) internal successors, (55), 4 states have internal predecessors, (55), 2 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (19), 3 states have call predecessors, (19), 2 states have call successors, (19) [2022-11-22 01:13:32,737 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-22 01:13:34,997 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:13:37,722 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2022-11-22 01:13:39,851 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:13:39,851 INFO L93 Difference]: Finished difference Result 7469 states and 10394 transitions. [2022-11-22 01:13:39,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-22 01:13:39,851 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.0) internal successors, (55), 4 states have internal predecessors, (55), 2 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (19), 3 states have call predecessors, (19), 2 states have call successors, (19) Word has length 124 [2022-11-22 01:13:39,852 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:13:39,863 INFO L225 Difference]: With dead ends: 7469 [2022-11-22 01:13:39,863 INFO L226 Difference]: Without dead ends: 3747 [2022-11-22 01:13:39,925 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-22 01:13:39,927 INFO L413 NwaCegarLoop]: 2718 mSDtfsCounter, 4 mSDsluCounter, 8145 mSDsCounter, 0 mSdLazyCounter, 1910 mSolverCounterSat, 0 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 10863 SdHoareTripleChecker+Invalid, 1913 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1910 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.5s IncrementalHoareTripleChecker+Time [2022-11-22 01:13:39,928 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 10863 Invalid, 1913 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1910 Invalid, 3 Unknown, 0 Unchecked, 9.5s Time] [2022-11-22 01:13:39,932 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3747 states. [2022-11-22 01:13:40,308 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3747 to 3742. [2022-11-22 01:13:40,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3742 states, 2320 states have (on average 1.2974137931034482) internal successors, (3010), 2380 states have internal predecessors, (3010), 1089 states have call successors, (1089), 323 states have call predecessors, (1089), 320 states have return successors, (1103), 1070 states have call predecessors, (1103), 1087 states have call successors, (1103) [2022-11-22 01:13:40,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3742 states to 3742 states and 5202 transitions. [2022-11-22 01:13:40,330 INFO L78 Accepts]: Start accepts. Automaton has 3742 states and 5202 transitions. Word has length 124 [2022-11-22 01:13:40,330 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:13:40,330 INFO L495 AbstractCegarLoop]: Abstraction has 3742 states and 5202 transitions. [2022-11-22 01:13:40,330 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.0) internal successors, (55), 4 states have internal predecessors, (55), 2 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (19), 3 states have call predecessors, (19), 2 states have call successors, (19) [2022-11-22 01:13:40,331 INFO L276 IsEmpty]: Start isEmpty. Operand 3742 states and 5202 transitions. [2022-11-22 01:13:40,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-11-22 01:13:40,333 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:13:40,333 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 01:13:40,333 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-11-22 01:13:40,333 INFO L420 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 23 more)] === [2022-11-22 01:13:40,334 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:13:40,334 INFO L85 PathProgramCache]: Analyzing trace with hash 167404546, now seen corresponding path program 1 times [2022-11-22 01:13:40,334 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:13:40,334 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [764947318] [2022-11-22 01:13:40,335 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:13:40,335 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:13:40,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:13:41,225 INFO L134 CoverageAnalysis]: Checked inductivity of 103 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 103 trivial. 0 not checked. [2022-11-22 01:13:41,225 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 01:13:41,225 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [764947318] [2022-11-22 01:13:41,225 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [764947318] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 01:13:41,225 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 01:13:41,225 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-22 01:13:41,225 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [832555916] [2022-11-22 01:13:41,226 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 01:13:41,226 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-22 01:13:41,226 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 01:13:41,226 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-22 01:13:41,226 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-22 01:13:41,227 INFO L87 Difference]: Start difference. First operand 3742 states and 5202 transitions. Second operand has 6 states, 5 states have (on average 9.2) internal successors, (46), 5 states have internal predecessors, (46), 2 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (18), 3 states have call predecessors, (18), 2 states have call successors, (18) [2022-11-22 01:13:44,793 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-22 01:13:47,291 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:13:51,263 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2022-11-22 01:13:54,908 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:13:54,908 INFO L93 Difference]: Finished difference Result 3746 states and 5204 transitions. [2022-11-22 01:13:54,909 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-22 01:13:54,909 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 9.2) internal successors, (46), 5 states have internal predecessors, (46), 2 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (18), 3 states have call predecessors, (18), 2 states have call successors, (18) Word has length 113 [2022-11-22 01:13:54,910 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:13:54,921 INFO L225 Difference]: With dead ends: 3746 [2022-11-22 01:13:54,921 INFO L226 Difference]: Without dead ends: 3744 [2022-11-22 01:13:54,923 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2022-11-22 01:13:54,923 INFO L413 NwaCegarLoop]: 2792 mSDtfsCounter, 3097 mSDsluCounter, 7385 mSDsCounter, 0 mSdLazyCounter, 3328 mSolverCounterSat, 1 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3109 SdHoareTripleChecker+Valid, 10177 SdHoareTripleChecker+Invalid, 3332 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 3328 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.0s IncrementalHoareTripleChecker+Time [2022-11-22 01:13:54,924 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3109 Valid, 10177 Invalid, 3332 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 3328 Invalid, 3 Unknown, 0 Unchecked, 13.0s Time] [2022-11-22 01:13:54,928 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3744 states. [2022-11-22 01:13:55,366 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3744 to 3742. [2022-11-22 01:13:55,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3742 states, 2320 states have (on average 1.296551724137931) internal successors, (3008), 2380 states have internal predecessors, (3008), 1089 states have call successors, (1089), 323 states have call predecessors, (1089), 320 states have return successors, (1103), 1070 states have call predecessors, (1103), 1087 states have call successors, (1103) [2022-11-22 01:13:55,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3742 states to 3742 states and 5200 transitions. [2022-11-22 01:13:55,385 INFO L78 Accepts]: Start accepts. Automaton has 3742 states and 5200 transitions. Word has length 113 [2022-11-22 01:13:55,386 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:13:55,386 INFO L495 AbstractCegarLoop]: Abstraction has 3742 states and 5200 transitions. [2022-11-22 01:13:55,386 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 9.2) internal successors, (46), 5 states have internal predecessors, (46), 2 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (18), 3 states have call predecessors, (18), 2 states have call successors, (18) [2022-11-22 01:13:55,386 INFO L276 IsEmpty]: Start isEmpty. Operand 3742 states and 5200 transitions. [2022-11-22 01:13:55,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2022-11-22 01:13:55,388 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:13:55,388 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 01:13:55,388 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-11-22 01:13:55,390 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 23 more)] === [2022-11-22 01:13:55,390 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:13:55,390 INFO L85 PathProgramCache]: Analyzing trace with hash 1560361606, now seen corresponding path program 1 times [2022-11-22 01:13:55,390 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:13:55,391 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2093194782] [2022-11-22 01:13:55,391 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:13:55,391 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:13:55,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:13:55,704 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-11-22 01:13:55,704 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 01:13:55,705 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2093194782] [2022-11-22 01:13:55,705 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2093194782] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 01:13:55,705 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 01:13:55,705 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-22 01:13:55,705 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1388061735] [2022-11-22 01:13:55,705 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 01:13:55,706 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-22 01:13:55,706 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 01:13:55,706 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-22 01:13:55,707 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-22 01:13:55,707 INFO L87 Difference]: Start difference. First operand 3742 states and 5200 transitions. Second operand has 4 states, 4 states have (on average 14.0) internal successors, (56), 4 states have internal predecessors, (56), 2 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2022-11-22 01:13:58,192 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-22 01:14:00,399 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:14:02,985 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2022-11-22 01:14:04,319 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:14:04,320 INFO L93 Difference]: Finished difference Result 3744 states and 5201 transitions. [2022-11-22 01:14:04,320 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-22 01:14:04,320 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.0) internal successors, (56), 4 states have internal predecessors, (56), 2 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 104 [2022-11-22 01:14:04,320 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:14:04,329 INFO L225 Difference]: With dead ends: 3744 [2022-11-22 01:14:04,329 INFO L226 Difference]: Without dead ends: 3742 [2022-11-22 01:14:04,331 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-22 01:14:04,331 INFO L413 NwaCegarLoop]: 2789 mSDtfsCounter, 3086 mSDsluCounter, 3168 mSDsCounter, 0 mSdLazyCounter, 1016 mSolverCounterSat, 0 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3097 SdHoareTripleChecker+Valid, 5957 SdHoareTripleChecker+Invalid, 1019 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1016 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.1s IncrementalHoareTripleChecker+Time [2022-11-22 01:14:04,332 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3097 Valid, 5957 Invalid, 1019 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1016 Invalid, 3 Unknown, 0 Unchecked, 8.1s Time] [2022-11-22 01:14:04,335 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3742 states. [2022-11-22 01:14:04,803 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3742 to 3740. [2022-11-22 01:14:04,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3740 states, 2319 states have (on average 1.296248382923674) internal successors, (3006), 2378 states have internal predecessors, (3006), 1089 states have call successors, (1089), 323 states have call predecessors, (1089), 320 states have return successors, (1103), 1070 states have call predecessors, (1103), 1087 states have call successors, (1103) [2022-11-22 01:14:04,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3740 states to 3740 states and 5198 transitions. [2022-11-22 01:14:04,820 INFO L78 Accepts]: Start accepts. Automaton has 3740 states and 5198 transitions. Word has length 104 [2022-11-22 01:14:04,821 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:14:04,821 INFO L495 AbstractCegarLoop]: Abstraction has 3740 states and 5198 transitions. [2022-11-22 01:14:04,821 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.0) internal successors, (56), 4 states have internal predecessors, (56), 2 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2022-11-22 01:14:04,821 INFO L276 IsEmpty]: Start isEmpty. Operand 3740 states and 5198 transitions. [2022-11-22 01:14:04,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2022-11-22 01:14:04,822 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:14:04,823 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 01:14:04,823 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-11-22 01:14:04,823 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ldv_check_alloc_flagsErr1ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 23 more)] === [2022-11-22 01:14:04,824 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:14:04,824 INFO L85 PathProgramCache]: Analyzing trace with hash 901884446, now seen corresponding path program 1 times [2022-11-22 01:14:04,824 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:14:04,824 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1255897414] [2022-11-22 01:14:04,824 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:14:04,824 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:14:04,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:14:05,077 INFO L134 CoverageAnalysis]: Checked inductivity of 103 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 103 trivial. 0 not checked. [2022-11-22 01:14:05,078 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 01:14:05,078 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1255897414] [2022-11-22 01:14:05,078 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1255897414] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 01:14:05,078 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 01:14:05,078 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-22 01:14:05,078 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1367499168] [2022-11-22 01:14:05,079 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 01:14:05,080 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-22 01:14:05,080 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 01:14:05,081 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-22 01:14:05,081 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-22 01:14:05,081 INFO L87 Difference]: Start difference. First operand 3740 states and 5198 transitions. Second operand has 3 states, 3 states have (on average 16.333333333333332) internal successors, (49), 3 states have internal predecessors, (49), 2 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2022-11-22 01:14:08,435 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:14:10,816 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2022-11-22 01:14:11,688 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:14:11,688 INFO L93 Difference]: Finished difference Result 7456 states and 10619 transitions. [2022-11-22 01:14:11,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-22 01:14:11,689 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 16.333333333333332) internal successors, (49), 3 states have internal predecessors, (49), 2 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 116 [2022-11-22 01:14:11,689 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:14:11,703 INFO L225 Difference]: With dead ends: 7456 [2022-11-22 01:14:11,703 INFO L226 Difference]: Without dead ends: 3732 [2022-11-22 01:14:11,719 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-22 01:14:11,720 INFO L413 NwaCegarLoop]: 2708 mSDtfsCounter, 3138 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 476 mSolverCounterSat, 0 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3144 SdHoareTripleChecker+Valid, 2708 SdHoareTripleChecker+Invalid, 478 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 476 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.1s IncrementalHoareTripleChecker+Time [2022-11-22 01:14:11,720 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3144 Valid, 2708 Invalid, 478 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 476 Invalid, 2 Unknown, 0 Unchecked, 6.1s Time] [2022-11-22 01:14:11,725 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3732 states. [2022-11-22 01:14:12,045 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3732 to 3732. [2022-11-22 01:14:12,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3732 states, 2312 states have (on average 1.2945501730103806) internal successors, (2993), 2370 states have internal predecessors, (2993), 1089 states have call successors, (1089), 323 states have call predecessors, (1089), 320 states have return successors, (1103), 1070 states have call predecessors, (1103), 1087 states have call successors, (1103) [2022-11-22 01:14:12,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3732 states to 3732 states and 5185 transitions. [2022-11-22 01:14:12,059 INFO L78 Accepts]: Start accepts. Automaton has 3732 states and 5185 transitions. Word has length 116 [2022-11-22 01:14:12,059 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:14:12,059 INFO L495 AbstractCegarLoop]: Abstraction has 3732 states and 5185 transitions. [2022-11-22 01:14:12,059 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 16.333333333333332) internal successors, (49), 3 states have internal predecessors, (49), 2 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2022-11-22 01:14:12,059 INFO L276 IsEmpty]: Start isEmpty. Operand 3732 states and 5185 transitions. [2022-11-22 01:14:12,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2022-11-22 01:14:12,061 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:14:12,061 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 01:14:12,061 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2022-11-22 01:14:12,062 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ldv_linux_kernel_rcu_srcu_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 23 more)] === [2022-11-22 01:14:12,062 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:14:12,062 INFO L85 PathProgramCache]: Analyzing trace with hash 1069494367, now seen corresponding path program 1 times [2022-11-22 01:14:12,062 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:14:12,063 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1850775792] [2022-11-22 01:14:12,063 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:14:12,063 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:14:12,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:14:12,375 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-11-22 01:14:12,375 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 01:14:12,376 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1850775792] [2022-11-22 01:14:12,376 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1850775792] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 01:14:12,376 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 01:14:12,376 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-22 01:14:12,376 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1845675718] [2022-11-22 01:14:12,377 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 01:14:12,377 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-22 01:14:12,377 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 01:14:12,378 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-22 01:14:12,378 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-22 01:14:12,378 INFO L87 Difference]: Start difference. First operand 3732 states and 5185 transitions. Second operand has 4 states, 4 states have (on average 14.75) internal successors, (59), 4 states have internal predecessors, (59), 2 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2022-11-22 01:14:14,891 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-22 01:14:17,107 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:14:19,737 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2022-11-22 01:14:21,143 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:14:21,144 INFO L93 Difference]: Finished difference Result 3732 states and 5185 transitions. [2022-11-22 01:14:21,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-22 01:14:21,145 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.75) internal successors, (59), 4 states have internal predecessors, (59), 2 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) Word has length 109 [2022-11-22 01:14:21,145 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:14:21,161 INFO L225 Difference]: With dead ends: 3732 [2022-11-22 01:14:21,161 INFO L226 Difference]: Without dead ends: 3730 [2022-11-22 01:14:21,164 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-22 01:14:21,165 INFO L413 NwaCegarLoop]: 2782 mSDtfsCounter, 3078 mSDsluCounter, 3156 mSDsCounter, 0 mSdLazyCounter, 1016 mSolverCounterSat, 0 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3089 SdHoareTripleChecker+Valid, 5938 SdHoareTripleChecker+Invalid, 1019 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1016 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.2s IncrementalHoareTripleChecker+Time [2022-11-22 01:14:21,165 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3089 Valid, 5938 Invalid, 1019 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1016 Invalid, 3 Unknown, 0 Unchecked, 8.2s Time] [2022-11-22 01:14:21,170 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3730 states. [2022-11-22 01:14:21,610 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3730 to 3730. [2022-11-22 01:14:21,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3730 states, 2311 states have (on average 1.2942449156209432) internal successors, (2991), 2368 states have internal predecessors, (2991), 1089 states have call successors, (1089), 323 states have call predecessors, (1089), 320 states have return successors, (1103), 1070 states have call predecessors, (1103), 1087 states have call successors, (1103) [2022-11-22 01:14:21,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3730 states to 3730 states and 5183 transitions. [2022-11-22 01:14:21,625 INFO L78 Accepts]: Start accepts. Automaton has 3730 states and 5183 transitions. Word has length 109 [2022-11-22 01:14:21,626 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:14:21,626 INFO L495 AbstractCegarLoop]: Abstraction has 3730 states and 5183 transitions. [2022-11-22 01:14:21,626 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.75) internal successors, (59), 4 states have internal predecessors, (59), 2 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2022-11-22 01:14:21,626 INFO L276 IsEmpty]: Start isEmpty. Operand 3730 states and 5183 transitions. [2022-11-22 01:14:21,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2022-11-22 01:14:21,630 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:14:21,630 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 01:14:21,630 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2022-11-22 01:14:21,631 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting ldv_linux_lib_idr_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 23 more)] === [2022-11-22 01:14:21,631 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:14:21,632 INFO L85 PathProgramCache]: Analyzing trace with hash -1316996283, now seen corresponding path program 1 times [2022-11-22 01:14:21,632 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:14:21,632 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [203177541] [2022-11-22 01:14:21,632 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:14:21,632 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:14:21,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:14:22,045 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-11-22 01:14:22,046 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 01:14:22,046 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [203177541] [2022-11-22 01:14:22,046 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [203177541] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 01:14:22,046 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 01:14:22,046 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-22 01:14:22,046 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1671068576] [2022-11-22 01:14:22,046 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 01:14:22,047 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-22 01:14:22,047 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 01:14:22,047 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-22 01:14:22,047 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-22 01:14:22,048 INFO L87 Difference]: Start difference. First operand 3730 states and 5183 transitions. Second operand has 4 states, 4 states have (on average 15.5) internal successors, (62), 4 states have internal predecessors, (62), 2 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2022-11-22 01:14:24,651 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-22 01:14:28,547 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:14:30,701 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2022-11-22 01:14:32,119 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:14:32,119 INFO L93 Difference]: Finished difference Result 3730 states and 5183 transitions. [2022-11-22 01:14:32,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-22 01:14:32,120 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 15.5) internal successors, (62), 4 states have internal predecessors, (62), 2 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) Word has length 114 [2022-11-22 01:14:32,120 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:14:32,129 INFO L225 Difference]: With dead ends: 3730 [2022-11-22 01:14:32,130 INFO L226 Difference]: Without dead ends: 3728 [2022-11-22 01:14:32,131 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-22 01:14:32,132 INFO L413 NwaCegarLoop]: 2790 mSDtfsCounter, 3080 mSDsluCounter, 3164 mSDsCounter, 0 mSdLazyCounter, 1024 mSolverCounterSat, 0 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3087 SdHoareTripleChecker+Valid, 5954 SdHoareTripleChecker+Invalid, 1027 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1024 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.5s IncrementalHoareTripleChecker+Time [2022-11-22 01:14:32,132 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3087 Valid, 5954 Invalid, 1027 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1024 Invalid, 3 Unknown, 0 Unchecked, 9.5s Time] [2022-11-22 01:14:32,135 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3728 states. [2022-11-22 01:14:32,462 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3728 to 3728. [2022-11-22 01:14:32,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3728 states, 2310 states have (on average 1.293939393939394) internal successors, (2989), 2366 states have internal predecessors, (2989), 1089 states have call successors, (1089), 323 states have call predecessors, (1089), 320 states have return successors, (1103), 1070 states have call predecessors, (1103), 1087 states have call successors, (1103) [2022-11-22 01:14:32,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3728 states to 3728 states and 5181 transitions. [2022-11-22 01:14:32,475 INFO L78 Accepts]: Start accepts. Automaton has 3728 states and 5181 transitions. Word has length 114 [2022-11-22 01:14:32,475 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:14:32,475 INFO L495 AbstractCegarLoop]: Abstraction has 3728 states and 5181 transitions. [2022-11-22 01:14:32,475 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.5) internal successors, (62), 4 states have internal predecessors, (62), 2 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2022-11-22 01:14:32,475 INFO L276 IsEmpty]: Start isEmpty. Operand 3728 states and 5181 transitions. [2022-11-22 01:14:32,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2022-11-22 01:14:32,477 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:14:32,477 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 01:14:32,478 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2022-11-22 01:14:32,478 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting ldv_linux_mmc_sdio_func_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 23 more)] === [2022-11-22 01:14:32,478 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:14:32,478 INFO L85 PathProgramCache]: Analyzing trace with hash -2089598956, now seen corresponding path program 1 times [2022-11-22 01:14:32,479 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:14:32,479 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [970324535] [2022-11-22 01:14:32,479 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:14:32,479 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:14:32,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:14:33,071 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-11-22 01:14:33,071 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 01:14:33,071 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [970324535] [2022-11-22 01:14:33,071 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [970324535] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 01:14:33,071 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 01:14:33,072 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-22 01:14:33,072 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [831020347] [2022-11-22 01:14:33,072 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 01:14:33,072 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-22 01:14:33,073 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 01:14:33,073 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-22 01:14:33,073 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-22 01:14:33,073 INFO L87 Difference]: Start difference. First operand 3728 states and 5181 transitions. Second operand has 4 states, 4 states have (on average 16.25) internal successors, (65), 4 states have internal predecessors, (65), 2 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2022-11-22 01:14:35,637 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-22 01:14:37,843 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:14:40,504 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2022-11-22 01:14:42,001 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:14:42,001 INFO L93 Difference]: Finished difference Result 3728 states and 5181 transitions. [2022-11-22 01:14:42,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-22 01:14:42,002 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 16.25) internal successors, (65), 4 states have internal predecessors, (65), 2 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 119 [2022-11-22 01:14:42,002 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:14:42,013 INFO L225 Difference]: With dead ends: 3728 [2022-11-22 01:14:42,013 INFO L226 Difference]: Without dead ends: 3726 [2022-11-22 01:14:42,014 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-22 01:14:42,015 INFO L413 NwaCegarLoop]: 2778 mSDtfsCounter, 3072 mSDsluCounter, 3152 mSDsCounter, 0 mSdLazyCounter, 1016 mSolverCounterSat, 0 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3083 SdHoareTripleChecker+Valid, 5930 SdHoareTripleChecker+Invalid, 1019 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1016 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.3s IncrementalHoareTripleChecker+Time [2022-11-22 01:14:42,015 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3083 Valid, 5930 Invalid, 1019 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1016 Invalid, 3 Unknown, 0 Unchecked, 8.3s Time] [2022-11-22 01:14:42,019 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3726 states. [2022-11-22 01:14:42,398 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3726 to 3726. [2022-11-22 01:14:42,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3726 states, 2309 states have (on average 1.2936336076223474) internal successors, (2987), 2364 states have internal predecessors, (2987), 1089 states have call successors, (1089), 323 states have call predecessors, (1089), 320 states have return successors, (1103), 1070 states have call predecessors, (1103), 1087 states have call successors, (1103) [2022-11-22 01:14:42,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3726 states to 3726 states and 5179 transitions. [2022-11-22 01:14:42,411 INFO L78 Accepts]: Start accepts. Automaton has 3726 states and 5179 transitions. Word has length 119 [2022-11-22 01:14:42,412 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:14:42,412 INFO L495 AbstractCegarLoop]: Abstraction has 3726 states and 5179 transitions. [2022-11-22 01:14:42,412 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 16.25) internal successors, (65), 4 states have internal predecessors, (65), 2 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2022-11-22 01:14:42,412 INFO L276 IsEmpty]: Start isEmpty. Operand 3726 states and 5179 transitions. [2022-11-22 01:14:42,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2022-11-22 01:14:42,413 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:14:42,414 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 01:14:42,414 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2022-11-22 01:14:42,414 INFO L420 AbstractCegarLoop]: === Iteration 25 === Targeting ldv_linux_net_rtnetlink_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 23 more)] === [2022-11-22 01:14:42,414 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:14:42,414 INFO L85 PathProgramCache]: Analyzing trace with hash 267847181, now seen corresponding path program 1 times [2022-11-22 01:14:42,414 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:14:42,414 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1383998339] [2022-11-22 01:14:42,414 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:14:42,415 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:14:42,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:14:42,741 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-11-22 01:14:42,742 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 01:14:42,742 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1383998339] [2022-11-22 01:14:42,742 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1383998339] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 01:14:42,742 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 01:14:42,742 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-22 01:14:42,743 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1405581848] [2022-11-22 01:14:42,743 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 01:14:42,743 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-22 01:14:42,743 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 01:14:42,744 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-22 01:14:42,744 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-22 01:14:42,744 INFO L87 Difference]: Start difference. First operand 3726 states and 5179 transitions. Second operand has 4 states, 4 states have (on average 17.0) internal successors, (68), 4 states have internal predecessors, (68), 2 states have call successors, (25), 2 states have call predecessors, (25), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2022-11-22 01:14:45,317 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-22 01:14:47,511 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:14:50,346 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2022-11-22 01:14:51,657 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:14:51,657 INFO L93 Difference]: Finished difference Result 3726 states and 5179 transitions. [2022-11-22 01:14:51,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-22 01:14:51,658 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 17.0) internal successors, (68), 4 states have internal predecessors, (68), 2 states have call successors, (25), 2 states have call predecessors, (25), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) Word has length 124 [2022-11-22 01:14:51,658 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:14:51,671 INFO L225 Difference]: With dead ends: 3726 [2022-11-22 01:14:51,671 INFO L226 Difference]: Without dead ends: 3724 [2022-11-22 01:14:51,674 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-22 01:14:51,674 INFO L413 NwaCegarLoop]: 2786 mSDtfsCounter, 3069 mSDsluCounter, 3160 mSDsCounter, 0 mSdLazyCounter, 1022 mSolverCounterSat, 0 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3080 SdHoareTripleChecker+Valid, 5946 SdHoareTripleChecker+Invalid, 1025 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1022 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.3s IncrementalHoareTripleChecker+Time [2022-11-22 01:14:51,675 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3080 Valid, 5946 Invalid, 1025 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1022 Invalid, 3 Unknown, 0 Unchecked, 8.3s Time] [2022-11-22 01:14:51,679 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3724 states. [2022-11-22 01:14:52,032 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3724 to 3724. [2022-11-22 01:14:52,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3724 states, 2308 states have (on average 1.2933275563258233) internal successors, (2985), 2362 states have internal predecessors, (2985), 1089 states have call successors, (1089), 323 states have call predecessors, (1089), 320 states have return successors, (1103), 1070 states have call predecessors, (1103), 1087 states have call successors, (1103) [2022-11-22 01:14:52,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3724 states to 3724 states and 5177 transitions. [2022-11-22 01:14:52,045 INFO L78 Accepts]: Start accepts. Automaton has 3724 states and 5177 transitions. Word has length 124 [2022-11-22 01:14:52,045 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:14:52,045 INFO L495 AbstractCegarLoop]: Abstraction has 3724 states and 5177 transitions. [2022-11-22 01:14:52,046 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 17.0) internal successors, (68), 4 states have internal predecessors, (68), 2 states have call successors, (25), 2 states have call predecessors, (25), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2022-11-22 01:14:52,046 INFO L276 IsEmpty]: Start isEmpty. Operand 3724 states and 5177 transitions. [2022-11-22 01:14:52,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2022-11-22 01:14:52,048 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:14:52,048 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 01:14:52,048 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2022-11-22 01:14:52,048 INFO L420 AbstractCegarLoop]: === Iteration 26 === Targeting ldv_linux_net_sock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 23 more)] === [2022-11-22 01:14:52,049 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:14:52,049 INFO L85 PathProgramCache]: Analyzing trace with hash 1346632125, now seen corresponding path program 1 times [2022-11-22 01:14:52,049 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:14:52,049 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [318545253] [2022-11-22 01:14:52,050 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:14:52,050 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:14:52,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:14:52,409 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-11-22 01:14:52,409 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 01:14:52,409 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [318545253] [2022-11-22 01:14:52,409 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [318545253] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 01:14:52,410 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 01:14:52,410 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-22 01:14:52,410 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1292645888] [2022-11-22 01:14:52,410 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 01:14:52,411 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-22 01:14:52,411 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 01:14:52,412 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-22 01:14:52,412 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-22 01:14:52,412 INFO L87 Difference]: Start difference. First operand 3724 states and 5177 transitions. Second operand has 4 states, 4 states have (on average 17.75) internal successors, (71), 4 states have internal predecessors, (71), 2 states have call successors, (26), 2 states have call predecessors, (26), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2022-11-22 01:14:54,871 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.90s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-22 01:14:56,353 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.48s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-22 01:14:58,523 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:15:01,063 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2022-11-22 01:15:02,357 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:15:02,357 INFO L93 Difference]: Finished difference Result 3724 states and 5177 transitions. [2022-11-22 01:15:02,358 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-22 01:15:02,358 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 17.75) internal successors, (71), 4 states have internal predecessors, (71), 2 states have call successors, (26), 2 states have call predecessors, (26), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) Word has length 129 [2022-11-22 01:15:02,358 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:15:02,367 INFO L225 Difference]: With dead ends: 3724 [2022-11-22 01:15:02,368 INFO L226 Difference]: Without dead ends: 3722 [2022-11-22 01:15:02,369 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-22 01:15:02,369 INFO L413 NwaCegarLoop]: 2697 mSDtfsCounter, 3132 mSDsluCounter, 2697 mSDsCounter, 0 mSdLazyCounter, 951 mSolverCounterSat, 0 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3140 SdHoareTripleChecker+Valid, 5394 SdHoareTripleChecker+Invalid, 953 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 951 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.3s IncrementalHoareTripleChecker+Time [2022-11-22 01:15:02,369 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3140 Valid, 5394 Invalid, 953 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 951 Invalid, 2 Unknown, 0 Unchecked, 9.3s Time] [2022-11-22 01:15:02,373 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3722 states. [2022-11-22 01:15:02,741 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3722 to 3722. [2022-11-22 01:15:02,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3722 states, 2307 states have (on average 1.293021239705245) internal successors, (2983), 2360 states have internal predecessors, (2983), 1089 states have call successors, (1089), 323 states have call predecessors, (1089), 320 states have return successors, (1103), 1070 states have call predecessors, (1103), 1087 states have call successors, (1103) [2022-11-22 01:15:02,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3722 states to 3722 states and 5175 transitions. [2022-11-22 01:15:02,753 INFO L78 Accepts]: Start accepts. Automaton has 3722 states and 5175 transitions. Word has length 129 [2022-11-22 01:15:02,754 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:15:02,754 INFO L495 AbstractCegarLoop]: Abstraction has 3722 states and 5175 transitions. [2022-11-22 01:15:02,754 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 17.75) internal successors, (71), 4 states have internal predecessors, (71), 2 states have call successors, (26), 2 states have call predecessors, (26), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2022-11-22 01:15:02,754 INFO L276 IsEmpty]: Start isEmpty. Operand 3722 states and 5175 transitions. [2022-11-22 01:15:02,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2022-11-22 01:15:02,755 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:15:02,755 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 01:15:02,756 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2022-11-22 01:15:02,756 INFO L420 AbstractCegarLoop]: === Iteration 27 === Targeting ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 23 more)] === [2022-11-22 01:15:02,756 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:15:02,756 INFO L85 PathProgramCache]: Analyzing trace with hash -342401449, now seen corresponding path program 1 times [2022-11-22 01:15:02,756 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:15:02,756 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1725737468] [2022-11-22 01:15:02,757 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:15:02,757 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:15:02,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:15:03,055 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-11-22 01:15:03,056 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 01:15:03,056 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1725737468] [2022-11-22 01:15:03,056 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1725737468] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 01:15:03,056 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 01:15:03,056 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-22 01:15:03,057 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [127203058] [2022-11-22 01:15:03,057 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 01:15:03,057 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-22 01:15:03,057 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 01:15:03,058 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-22 01:15:03,058 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-22 01:15:03,058 INFO L87 Difference]: Start difference. First operand 3722 states and 5175 transitions. Second operand has 4 states, 4 states have (on average 18.5) internal successors, (74), 4 states have internal predecessors, (74), 2 states have call successors, (27), 2 states have call predecessors, (27), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2022-11-22 01:15:06,506 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-22 01:15:08,686 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:15:11,255 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2022-11-22 01:15:12,540 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:15:12,540 INFO L93 Difference]: Finished difference Result 3722 states and 5175 transitions. [2022-11-22 01:15:12,540 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-22 01:15:12,540 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 18.5) internal successors, (74), 4 states have internal predecessors, (74), 2 states have call successors, (27), 2 states have call predecessors, (27), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) Word has length 134 [2022-11-22 01:15:12,541 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:15:12,550 INFO L225 Difference]: With dead ends: 3722 [2022-11-22 01:15:12,550 INFO L226 Difference]: Without dead ends: 3720 [2022-11-22 01:15:12,552 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-22 01:15:12,552 INFO L413 NwaCegarLoop]: 2695 mSDtfsCounter, 3129 mSDsluCounter, 2695 mSDsCounter, 0 mSdLazyCounter, 950 mSolverCounterSat, 0 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3137 SdHoareTripleChecker+Valid, 5390 SdHoareTripleChecker+Invalid, 953 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 950 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.9s IncrementalHoareTripleChecker+Time [2022-11-22 01:15:12,553 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3137 Valid, 5390 Invalid, 953 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 950 Invalid, 3 Unknown, 0 Unchecked, 8.9s Time] [2022-11-22 01:15:12,556 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3720 states. [2022-11-22 01:15:12,937 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3720 to 3720. [2022-11-22 01:15:12,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3720 states, 2306 states have (on average 1.292714657415438) internal successors, (2981), 2358 states have internal predecessors, (2981), 1089 states have call successors, (1089), 323 states have call predecessors, (1089), 320 states have return successors, (1103), 1070 states have call predecessors, (1103), 1087 states have call successors, (1103) [2022-11-22 01:15:12,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3720 states to 3720 states and 5173 transitions. [2022-11-22 01:15:12,951 INFO L78 Accepts]: Start accepts. Automaton has 3720 states and 5173 transitions. Word has length 134 [2022-11-22 01:15:12,951 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:15:12,951 INFO L495 AbstractCegarLoop]: Abstraction has 3720 states and 5173 transitions. [2022-11-22 01:15:12,951 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 18.5) internal successors, (74), 4 states have internal predecessors, (74), 2 states have call successors, (27), 2 states have call predecessors, (27), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2022-11-22 01:15:12,952 INFO L276 IsEmpty]: Start isEmpty. Operand 3720 states and 5173 transitions. [2022-11-22 01:15:12,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2022-11-22 01:15:12,954 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:15:12,954 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 01:15:12,954 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2022-11-22 01:15:12,955 INFO L420 AbstractCegarLoop]: === Iteration 28 === Targeting ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 23 more)] === [2022-11-22 01:15:12,955 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:15:12,955 INFO L85 PathProgramCache]: Analyzing trace with hash -1066391699, now seen corresponding path program 1 times [2022-11-22 01:15:12,955 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:15:12,956 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1743450243] [2022-11-22 01:15:12,956 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:15:12,956 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:15:13,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:15:13,261 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-11-22 01:15:13,262 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 01:15:13,262 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1743450243] [2022-11-22 01:15:13,262 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1743450243] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 01:15:13,262 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 01:15:13,262 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-22 01:15:13,262 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2066507304] [2022-11-22 01:15:13,262 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 01:15:13,263 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-22 01:15:13,263 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 01:15:13,263 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-22 01:15:13,263 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-22 01:15:13,263 INFO L87 Difference]: Start difference. First operand 3720 states and 5173 transitions. Second operand has 4 states, 4 states have (on average 19.25) internal successors, (77), 4 states have internal predecessors, (77), 2 states have call successors, (28), 2 states have call predecessors, (28), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2022-11-22 01:15:15,738 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-22 01:15:17,960 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:15:20,667 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2022-11-22 01:15:22,221 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:15:22,222 INFO L93 Difference]: Finished difference Result 3720 states and 5173 transitions. [2022-11-22 01:15:22,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-22 01:15:22,222 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 19.25) internal successors, (77), 4 states have internal predecessors, (77), 2 states have call successors, (28), 2 states have call predecessors, (28), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) Word has length 139 [2022-11-22 01:15:22,222 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:15:22,231 INFO L225 Difference]: With dead ends: 3720 [2022-11-22 01:15:22,231 INFO L226 Difference]: Without dead ends: 3718 [2022-11-22 01:15:22,232 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-22 01:15:22,233 INFO L413 NwaCegarLoop]: 2770 mSDtfsCounter, 3060 mSDsluCounter, 3144 mSDsCounter, 0 mSdLazyCounter, 1016 mSolverCounterSat, 0 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3071 SdHoareTripleChecker+Valid, 5914 SdHoareTripleChecker+Invalid, 1019 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1016 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.3s IncrementalHoareTripleChecker+Time [2022-11-22 01:15:22,233 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3071 Valid, 5914 Invalid, 1019 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1016 Invalid, 3 Unknown, 0 Unchecked, 8.3s Time] [2022-11-22 01:15:22,237 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3718 states. [2022-11-22 01:15:22,684 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3718 to 3718. [2022-11-22 01:15:22,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3718 states, 2305 states have (on average 1.292407809110629) internal successors, (2979), 2356 states have internal predecessors, (2979), 1089 states have call successors, (1089), 323 states have call predecessors, (1089), 320 states have return successors, (1103), 1070 states have call predecessors, (1103), 1087 states have call successors, (1103) [2022-11-22 01:15:22,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3718 states to 3718 states and 5171 transitions. [2022-11-22 01:15:22,698 INFO L78 Accepts]: Start accepts. Automaton has 3718 states and 5171 transitions. Word has length 139 [2022-11-22 01:15:22,698 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:15:22,698 INFO L495 AbstractCegarLoop]: Abstraction has 3718 states and 5171 transitions. [2022-11-22 01:15:22,698 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 19.25) internal successors, (77), 4 states have internal predecessors, (77), 2 states have call successors, (28), 2 states have call predecessors, (28), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2022-11-22 01:15:22,698 INFO L276 IsEmpty]: Start isEmpty. Operand 3718 states and 5171 transitions. [2022-11-22 01:15:22,700 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2022-11-22 01:15:22,700 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:15:22,700 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 01:15:22,701 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2022-11-22 01:15:22,701 INFO L420 AbstractCegarLoop]: === Iteration 29 === Targeting ldv_linux_usb_urb_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 23 more)] === [2022-11-22 01:15:22,701 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:15:22,702 INFO L85 PathProgramCache]: Analyzing trace with hash -1639585125, now seen corresponding path program 1 times [2022-11-22 01:15:22,702 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:15:22,702 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [209266023] [2022-11-22 01:15:22,702 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:15:22,702 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:15:22,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:15:23,004 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-11-22 01:15:23,004 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 01:15:23,004 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [209266023] [2022-11-22 01:15:23,004 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [209266023] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 01:15:23,004 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 01:15:23,004 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-22 01:15:23,004 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [350911926] [2022-11-22 01:15:23,005 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 01:15:23,005 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-22 01:15:23,005 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 01:15:23,005 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-22 01:15:23,005 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-22 01:15:23,006 INFO L87 Difference]: Start difference. First operand 3718 states and 5171 transitions. Second operand has 4 states, 4 states have (on average 20.0) internal successors, (80), 4 states have internal predecessors, (80), 2 states have call successors, (29), 2 states have call predecessors, (29), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2022-11-22 01:15:25,519 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-22 01:15:27,752 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:15:30,609 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2022-11-22 01:15:32,013 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:15:32,014 INFO L93 Difference]: Finished difference Result 3718 states and 5171 transitions. [2022-11-22 01:15:32,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-22 01:15:32,014 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 20.0) internal successors, (80), 4 states have internal predecessors, (80), 2 states have call successors, (29), 2 states have call predecessors, (29), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) Word has length 144 [2022-11-22 01:15:32,015 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:15:32,024 INFO L225 Difference]: With dead ends: 3718 [2022-11-22 01:15:32,024 INFO L226 Difference]: Without dead ends: 3588 [2022-11-22 01:15:32,027 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-22 01:15:32,031 INFO L413 NwaCegarLoop]: 2779 mSDtfsCounter, 3057 mSDsluCounter, 3153 mSDsCounter, 0 mSdLazyCounter, 1022 mSolverCounterSat, 0 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3066 SdHoareTripleChecker+Valid, 5932 SdHoareTripleChecker+Invalid, 1025 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1022 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.4s IncrementalHoareTripleChecker+Time [2022-11-22 01:15:32,031 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3066 Valid, 5932 Invalid, 1025 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1022 Invalid, 3 Unknown, 0 Unchecked, 8.4s Time] [2022-11-22 01:15:32,035 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3588 states. [2022-11-22 01:15:32,455 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3588 to 3588. [2022-11-22 01:15:32,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3588 states, 2238 states have (on average 1.2998212689901698) internal successors, (2909), 2287 states have internal predecessors, (2909), 1046 states have call successors, (1046), 303 states have call predecessors, (1046), 301 states have return successors, (1062), 1029 states have call predecessors, (1062), 1046 states have call successors, (1062) [2022-11-22 01:15:32,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3588 states to 3588 states and 5017 transitions. [2022-11-22 01:15:32,468 INFO L78 Accepts]: Start accepts. Automaton has 3588 states and 5017 transitions. Word has length 144 [2022-11-22 01:15:32,468 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:15:32,468 INFO L495 AbstractCegarLoop]: Abstraction has 3588 states and 5017 transitions. [2022-11-22 01:15:32,468 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 20.0) internal successors, (80), 4 states have internal predecessors, (80), 2 states have call successors, (29), 2 states have call predecessors, (29), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2022-11-22 01:15:32,469 INFO L276 IsEmpty]: Start isEmpty. Operand 3588 states and 5017 transitions. [2022-11-22 01:15:32,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 228 [2022-11-22 01:15:32,471 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:15:32,471 INFO L195 NwaCegarLoop]: trace histogram [18, 18, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 01:15:32,471 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2022-11-22 01:15:32,472 INFO L420 AbstractCegarLoop]: === Iteration 30 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 23 more)] === [2022-11-22 01:15:32,472 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:15:32,472 INFO L85 PathProgramCache]: Analyzing trace with hash 563954849, now seen corresponding path program 1 times [2022-11-22 01:15:32,472 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:15:32,473 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1056704944] [2022-11-22 01:15:32,473 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:15:32,473 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:15:32,568 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-22 01:15:32,569 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [101917614] [2022-11-22 01:15:32,569 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:15:32,569 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-22 01:15:32,570 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40615cbb-3e7b-4786-bc3d-609b51dfa9df/bin/utaipan-g80aRyZoba/z3 [2022-11-22 01:15:32,593 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40615cbb-3e7b-4786-bc3d-609b51dfa9df/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-22 01:15:32,607 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40615cbb-3e7b-4786-bc3d-609b51dfa9df/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-22 01:15:34,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:15:34,015 INFO L263 TraceCheckSpWp]: Trace formula consists of 3081 conjuncts, 60 conjunts are in the unsatisfiable core [2022-11-22 01:15:34,031 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-22 01:15:34,382 INFO L134 CoverageAnalysis]: Checked inductivity of 716 backedges. 198 proven. 2 refuted. 0 times theorem prover too weak. 516 trivial. 0 not checked. [2022-11-22 01:15:34,383 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-22 01:15:35,001 INFO L134 CoverageAnalysis]: Checked inductivity of 716 backedges. 6 proven. 58 refuted. 0 times theorem prover too weak. 652 trivial. 0 not checked. [2022-11-22 01:15:35,001 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 01:15:35,001 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1056704944] [2022-11-22 01:15:35,002 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-22 01:15:35,002 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [101917614] [2022-11-22 01:15:35,002 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [101917614] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-22 01:15:35,002 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [701613777] [2022-11-22 01:15:35,027 INFO L159 IcfgInterpreter]: Started Sifa with 103 locations of interest [2022-11-22 01:15:35,028 INFO L166 IcfgInterpreter]: Building call graph [2022-11-22 01:15:35,032 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-22 01:15:35,038 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-22 01:15:35,038 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs