./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 839c364b Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f86b19da-d68b-412d-a9d4-f9725c01fda9/bin/utaipan-eEHZpOm5b7/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f86b19da-d68b-412d-a9d4-f9725c01fda9/bin/utaipan-eEHZpOm5b7/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f86b19da-d68b-412d-a9d4-f9725c01fda9/bin/utaipan-eEHZpOm5b7/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f86b19da-d68b-412d-a9d4-f9725c01fda9/bin/utaipan-eEHZpOm5b7/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_f86b19da-d68b-412d-a9d4-f9725c01fda9/bin/utaipan-eEHZpOm5b7/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f86b19da-d68b-412d-a9d4-f9725c01fda9/bin/utaipan-eEHZpOm5b7 --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 --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-11-25 17:52:54,224 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-25 17:52:54,227 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-25 17:52:54,306 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-25 17:52:54,307 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-25 17:52:54,313 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-25 17:52:54,316 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-25 17:52:54,322 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-25 17:52:54,325 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-25 17:52:54,334 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-25 17:52:54,336 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-25 17:52:54,337 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-25 17:52:54,338 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-25 17:52:54,339 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-25 17:52:54,341 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-25 17:52:54,347 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-25 17:52:54,350 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-25 17:52:54,351 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-25 17:52:54,354 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-25 17:52:54,366 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-25 17:52:54,369 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-25 17:52:54,372 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-25 17:52:54,380 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-25 17:52:54,382 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-25 17:52:54,386 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-25 17:52:54,387 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-25 17:52:54,387 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-25 17:52:54,388 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-25 17:52:54,389 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-25 17:52:54,392 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-25 17:52:54,393 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-25 17:52:54,394 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-25 17:52:54,397 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-25 17:52:54,398 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-25 17:52:54,400 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-25 17:52:54,401 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-25 17:52:54,402 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-25 17:52:54,402 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-25 17:52:54,403 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-25 17:52:54,404 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-25 17:52:54,405 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-25 17:52:54,406 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f86b19da-d68b-412d-a9d4-f9725c01fda9/bin/utaipan-eEHZpOm5b7/config/svcomp-Reach-64bit-Taipan_Default.epf [2021-11-25 17:52:54,469 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-25 17:52:54,469 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-25 17:52:54,470 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-25 17:52:54,471 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-25 17:52:54,472 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-25 17:52:54,472 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-25 17:52:54,472 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-25 17:52:54,473 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-25 17:52:54,473 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-25 17:52:54,473 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-25 17:52:54,475 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-25 17:52:54,475 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-25 17:52:54,475 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-25 17:52:54,476 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-25 17:52:54,476 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-25 17:52:54,476 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-25 17:52:54,477 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-25 17:52:54,477 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-25 17:52:54,479 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-25 17:52:54,479 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-25 17:52:54,479 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-25 17:52:54,480 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-25 17:52:54,480 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-25 17:52:54,480 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-25 17:52:54,481 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-25 17:52:54,481 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-25 17:52:54,484 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-25 17:52:54,484 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-25 17:52:54,484 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-25 17:52:54,485 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-25 17:52:54,485 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-25 17:52:54,486 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-25 17:52:54,486 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-25 17:52:54,486 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-25 17:52:54,486 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-25 17:52:54,487 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-25 17:52:54,487 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-25 17:52:54,487 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-25 17:52:54,488 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f86b19da-d68b-412d-a9d4-f9725c01fda9/bin/utaipan-eEHZpOm5b7/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f86b19da-d68b-412d-a9d4-f9725c01fda9/bin/utaipan-eEHZpOm5b7 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 78dc70726790e77f363f3f534b507edaca1714cde97bc3b7cdeb338176ca8d88 [2021-11-25 17:52:54,859 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-25 17:52:54,885 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-25 17:52:54,889 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-25 17:52:54,890 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-25 17:52:54,891 INFO L275 PluginConnector]: CDTParser initialized [2021-11-25 17:52:54,893 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f86b19da-d68b-412d-a9d4-f9725c01fda9/bin/utaipan-eEHZpOm5b7/../../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i [2021-11-25 17:52:54,965 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f86b19da-d68b-412d-a9d4-f9725c01fda9/bin/utaipan-eEHZpOm5b7/data/76b578e1f/a3a98a6e4c0e418099b72a83e8b8766c/FLAG417fe195d [2021-11-25 17:52:56,179 INFO L306 CDTParser]: Found 1 translation units. [2021-11-25 17:52:56,181 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f86b19da-d68b-412d-a9d4-f9725c01fda9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i [2021-11-25 17:52:56,260 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f86b19da-d68b-412d-a9d4-f9725c01fda9/bin/utaipan-eEHZpOm5b7/data/76b578e1f/a3a98a6e4c0e418099b72a83e8b8766c/FLAG417fe195d [2021-11-25 17:52:56,389 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f86b19da-d68b-412d-a9d4-f9725c01fda9/bin/utaipan-eEHZpOm5b7/data/76b578e1f/a3a98a6e4c0e418099b72a83e8b8766c [2021-11-25 17:52:56,392 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-25 17:52:56,394 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-25 17:52:56,400 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-25 17:52:56,400 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-25 17:52:56,405 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-25 17:52:56,408 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 05:52:56" (1/1) ... [2021-11-25 17:52:56,411 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@174923e1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:52:56, skipping insertion in model container [2021-11-25 17:52:56,411 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 05:52:56" (1/1) ... [2021-11-25 17:52:56,420 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-25 17:52:56,679 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-25 17:53:02,278 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f86b19da-d68b-412d-a9d4-f9725c01fda9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[439117,439130] [2021-11-25 17:53:02,281 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f86b19da-d68b-412d-a9d4-f9725c01fda9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[439262,439275] [2021-11-25 17:53:02,282 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f86b19da-d68b-412d-a9d4-f9725c01fda9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[439408,439421] [2021-11-25 17:53:02,283 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f86b19da-d68b-412d-a9d4-f9725c01fda9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[439573,439586] [2021-11-25 17:53:02,284 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f86b19da-d68b-412d-a9d4-f9725c01fda9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[439731,439744] [2021-11-25 17:53:02,284 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f86b19da-d68b-412d-a9d4-f9725c01fda9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[439889,439902] [2021-11-25 17:53:02,285 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f86b19da-d68b-412d-a9d4-f9725c01fda9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[440047,440060] [2021-11-25 17:53:02,286 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f86b19da-d68b-412d-a9d4-f9725c01fda9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[440207,440220] [2021-11-25 17:53:02,286 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f86b19da-d68b-412d-a9d4-f9725c01fda9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[440366,440379] [2021-11-25 17:53:02,287 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f86b19da-d68b-412d-a9d4-f9725c01fda9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[440505,440518] [2021-11-25 17:53:02,288 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f86b19da-d68b-412d-a9d4-f9725c01fda9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[440647,440660] [2021-11-25 17:53:02,288 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f86b19da-d68b-412d-a9d4-f9725c01fda9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[440796,440809] [2021-11-25 17:53:02,289 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f86b19da-d68b-412d-a9d4-f9725c01fda9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[440935,440948] [2021-11-25 17:53:02,290 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f86b19da-d68b-412d-a9d4-f9725c01fda9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[441090,441103] [2021-11-25 17:53:02,290 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f86b19da-d68b-412d-a9d4-f9725c01fda9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[441250,441263] [2021-11-25 17:53:02,291 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f86b19da-d68b-412d-a9d4-f9725c01fda9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[441401,441414] [2021-11-25 17:53:02,292 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f86b19da-d68b-412d-a9d4-f9725c01fda9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[441552,441565] [2021-11-25 17:53:02,292 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f86b19da-d68b-412d-a9d4-f9725c01fda9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[441704,441717] [2021-11-25 17:53:02,293 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f86b19da-d68b-412d-a9d4-f9725c01fda9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[441853,441866] [2021-11-25 17:53:02,294 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f86b19da-d68b-412d-a9d4-f9725c01fda9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[442001,442014] [2021-11-25 17:53:02,294 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f86b19da-d68b-412d-a9d4-f9725c01fda9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[442158,442171] [2021-11-25 17:53:02,295 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f86b19da-d68b-412d-a9d4-f9725c01fda9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[442307,442320] [2021-11-25 17:53:02,296 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f86b19da-d68b-412d-a9d4-f9725c01fda9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[442463,442476] [2021-11-25 17:53:02,296 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f86b19da-d68b-412d-a9d4-f9725c01fda9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[442616,442629] [2021-11-25 17:53:02,297 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f86b19da-d68b-412d-a9d4-f9725c01fda9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[442762,442775] [2021-11-25 17:53:02,297 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f86b19da-d68b-412d-a9d4-f9725c01fda9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[442905,442918] [2021-11-25 17:53:02,298 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f86b19da-d68b-412d-a9d4-f9725c01fda9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[443057,443070] [2021-11-25 17:53:02,299 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f86b19da-d68b-412d-a9d4-f9725c01fda9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[443203,443216] [2021-11-25 17:53:02,303 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f86b19da-d68b-412d-a9d4-f9725c01fda9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[443348,443361] [2021-11-25 17:53:02,304 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f86b19da-d68b-412d-a9d4-f9725c01fda9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[443502,443515] [2021-11-25 17:53:02,304 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f86b19da-d68b-412d-a9d4-f9725c01fda9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[443653,443666] [2021-11-25 17:53:02,305 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f86b19da-d68b-412d-a9d4-f9725c01fda9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[443808,443821] [2021-11-25 17:53:02,306 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f86b19da-d68b-412d-a9d4-f9725c01fda9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[443960,443973] [2021-11-25 17:53:02,310 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f86b19da-d68b-412d-a9d4-f9725c01fda9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[444115,444128] [2021-11-25 17:53:02,311 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f86b19da-d68b-412d-a9d4-f9725c01fda9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[444279,444292] [2021-11-25 17:53:02,311 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f86b19da-d68b-412d-a9d4-f9725c01fda9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[444435,444448] [2021-11-25 17:53:02,312 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f86b19da-d68b-412d-a9d4-f9725c01fda9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[444599,444612] [2021-11-25 17:53:02,312 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f86b19da-d68b-412d-a9d4-f9725c01fda9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[444741,444754] [2021-11-25 17:53:02,313 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f86b19da-d68b-412d-a9d4-f9725c01fda9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[444899,444912] [2021-11-25 17:53:02,313 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f86b19da-d68b-412d-a9d4-f9725c01fda9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[445066,445079] [2021-11-25 17:53:02,314 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f86b19da-d68b-412d-a9d4-f9725c01fda9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[445225,445238] [2021-11-25 17:53:02,315 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f86b19da-d68b-412d-a9d4-f9725c01fda9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[445384,445397] [2021-11-25 17:53:02,315 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f86b19da-d68b-412d-a9d4-f9725c01fda9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[445533,445546] [2021-11-25 17:53:02,316 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f86b19da-d68b-412d-a9d4-f9725c01fda9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[445680,445693] [2021-11-25 17:53:02,316 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f86b19da-d68b-412d-a9d4-f9725c01fda9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[445819,445832] [2021-11-25 17:53:02,317 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f86b19da-d68b-412d-a9d4-f9725c01fda9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[445982,445995] [2021-11-25 17:53:02,317 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f86b19da-d68b-412d-a9d4-f9725c01fda9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[446148,446161] [2021-11-25 17:53:02,318 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f86b19da-d68b-412d-a9d4-f9725c01fda9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[446312,446325] [2021-11-25 17:53:02,318 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f86b19da-d68b-412d-a9d4-f9725c01fda9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[446477,446490] [2021-11-25 17:53:02,319 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f86b19da-d68b-412d-a9d4-f9725c01fda9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[446642,446655] [2021-11-25 17:53:02,320 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f86b19da-d68b-412d-a9d4-f9725c01fda9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[446808,446821] [2021-11-25 17:53:02,320 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f86b19da-d68b-412d-a9d4-f9725c01fda9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[446973,446986] [2021-11-25 17:53:02,321 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f86b19da-d68b-412d-a9d4-f9725c01fda9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[447140,447153] [2021-11-25 17:53:02,321 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f86b19da-d68b-412d-a9d4-f9725c01fda9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[447300,447313] [2021-11-25 17:53:02,322 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f86b19da-d68b-412d-a9d4-f9725c01fda9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[447462,447475] [2021-11-25 17:53:02,330 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f86b19da-d68b-412d-a9d4-f9725c01fda9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[447621,447634] [2021-11-25 17:53:02,331 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f86b19da-d68b-412d-a9d4-f9725c01fda9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[447767,447780] [2021-11-25 17:53:02,332 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f86b19da-d68b-412d-a9d4-f9725c01fda9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[447910,447923] [2021-11-25 17:53:02,333 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f86b19da-d68b-412d-a9d4-f9725c01fda9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[448054,448067] [2021-11-25 17:53:02,333 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f86b19da-d68b-412d-a9d4-f9725c01fda9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[448197,448210] [2021-11-25 17:53:02,334 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f86b19da-d68b-412d-a9d4-f9725c01fda9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[448341,448354] [2021-11-25 17:53:02,334 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f86b19da-d68b-412d-a9d4-f9725c01fda9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[448482,448495] [2021-11-25 17:53:02,335 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f86b19da-d68b-412d-a9d4-f9725c01fda9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[448620,448633] [2021-11-25 17:53:02,336 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f86b19da-d68b-412d-a9d4-f9725c01fda9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[448778,448791] [2021-11-25 17:53:02,336 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f86b19da-d68b-412d-a9d4-f9725c01fda9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[448937,448950] [2021-11-25 17:53:02,337 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f86b19da-d68b-412d-a9d4-f9725c01fda9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[449093,449106] [2021-11-25 17:53:02,337 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f86b19da-d68b-412d-a9d4-f9725c01fda9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[449242,449255] [2021-11-25 17:53:02,338 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f86b19da-d68b-412d-a9d4-f9725c01fda9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[449394,449407] [2021-11-25 17:53:02,339 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f86b19da-d68b-412d-a9d4-f9725c01fda9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[449545,449558] [2021-11-25 17:53:02,339 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f86b19da-d68b-412d-a9d4-f9725c01fda9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[449694,449707] [2021-11-25 17:53:02,340 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f86b19da-d68b-412d-a9d4-f9725c01fda9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[449846,449859] [2021-11-25 17:53:02,340 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f86b19da-d68b-412d-a9d4-f9725c01fda9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[449994,450007] [2021-11-25 17:53:02,341 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f86b19da-d68b-412d-a9d4-f9725c01fda9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[450147,450160] [2021-11-25 17:53:02,342 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f86b19da-d68b-412d-a9d4-f9725c01fda9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[450298,450311] [2021-11-25 17:53:02,342 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f86b19da-d68b-412d-a9d4-f9725c01fda9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[450448,450461] [2021-11-25 17:53:02,343 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f86b19da-d68b-412d-a9d4-f9725c01fda9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[450595,450608] [2021-11-25 17:53:02,343 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f86b19da-d68b-412d-a9d4-f9725c01fda9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[450746,450759] [2021-11-25 17:53:02,344 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f86b19da-d68b-412d-a9d4-f9725c01fda9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[450897,450910] [2021-11-25 17:53:02,344 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f86b19da-d68b-412d-a9d4-f9725c01fda9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[451045,451058] [2021-11-25 17:53:02,345 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f86b19da-d68b-412d-a9d4-f9725c01fda9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[451211,451224] [2021-11-25 17:53:02,346 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f86b19da-d68b-412d-a9d4-f9725c01fda9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[451380,451393] [2021-11-25 17:53:02,346 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f86b19da-d68b-412d-a9d4-f9725c01fda9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[451547,451560] [2021-11-25 17:53:02,347 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f86b19da-d68b-412d-a9d4-f9725c01fda9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[451715,451728] [2021-11-25 17:53:02,347 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f86b19da-d68b-412d-a9d4-f9725c01fda9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[451865,451878] [2021-11-25 17:53:02,348 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f86b19da-d68b-412d-a9d4-f9725c01fda9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[452012,452025] [2021-11-25 17:53:02,349 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f86b19da-d68b-412d-a9d4-f9725c01fda9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[452173,452186] [2021-11-25 17:53:02,349 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f86b19da-d68b-412d-a9d4-f9725c01fda9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[452343,452356] [2021-11-25 17:53:02,350 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f86b19da-d68b-412d-a9d4-f9725c01fda9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[452505,452518] [2021-11-25 17:53:02,362 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-25 17:53:02,398 INFO L203 MainTranslator]: Completed pre-run [2021-11-25 17:53:03,067 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f86b19da-d68b-412d-a9d4-f9725c01fda9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[439117,439130] [2021-11-25 17:53:03,070 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f86b19da-d68b-412d-a9d4-f9725c01fda9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[439262,439275] [2021-11-25 17:53:03,076 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f86b19da-d68b-412d-a9d4-f9725c01fda9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[439408,439421] [2021-11-25 17:53:03,076 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f86b19da-d68b-412d-a9d4-f9725c01fda9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[439573,439586] [2021-11-25 17:53:03,079 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f86b19da-d68b-412d-a9d4-f9725c01fda9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[439731,439744] [2021-11-25 17:53:03,080 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f86b19da-d68b-412d-a9d4-f9725c01fda9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[439889,439902] [2021-11-25 17:53:03,081 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f86b19da-d68b-412d-a9d4-f9725c01fda9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[440047,440060] [2021-11-25 17:53:03,081 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f86b19da-d68b-412d-a9d4-f9725c01fda9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[440207,440220] [2021-11-25 17:53:03,082 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f86b19da-d68b-412d-a9d4-f9725c01fda9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[440366,440379] [2021-11-25 17:53:03,082 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f86b19da-d68b-412d-a9d4-f9725c01fda9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[440505,440518] [2021-11-25 17:53:03,084 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f86b19da-d68b-412d-a9d4-f9725c01fda9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[440647,440660] [2021-11-25 17:53:03,084 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f86b19da-d68b-412d-a9d4-f9725c01fda9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[440796,440809] [2021-11-25 17:53:03,085 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f86b19da-d68b-412d-a9d4-f9725c01fda9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[440935,440948] [2021-11-25 17:53:03,085 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f86b19da-d68b-412d-a9d4-f9725c01fda9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[441090,441103] [2021-11-25 17:53:03,086 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f86b19da-d68b-412d-a9d4-f9725c01fda9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[441250,441263] [2021-11-25 17:53:03,086 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f86b19da-d68b-412d-a9d4-f9725c01fda9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[441401,441414] [2021-11-25 17:53:03,087 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f86b19da-d68b-412d-a9d4-f9725c01fda9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[441552,441565] [2021-11-25 17:53:03,087 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f86b19da-d68b-412d-a9d4-f9725c01fda9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[441704,441717] [2021-11-25 17:53:03,088 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f86b19da-d68b-412d-a9d4-f9725c01fda9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[441853,441866] [2021-11-25 17:53:03,088 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f86b19da-d68b-412d-a9d4-f9725c01fda9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[442001,442014] [2021-11-25 17:53:03,089 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f86b19da-d68b-412d-a9d4-f9725c01fda9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[442158,442171] [2021-11-25 17:53:03,090 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f86b19da-d68b-412d-a9d4-f9725c01fda9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[442307,442320] [2021-11-25 17:53:03,090 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f86b19da-d68b-412d-a9d4-f9725c01fda9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[442463,442476] [2021-11-25 17:53:03,091 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f86b19da-d68b-412d-a9d4-f9725c01fda9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[442616,442629] [2021-11-25 17:53:03,091 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f86b19da-d68b-412d-a9d4-f9725c01fda9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[442762,442775] [2021-11-25 17:53:03,092 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f86b19da-d68b-412d-a9d4-f9725c01fda9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[442905,442918] [2021-11-25 17:53:03,093 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f86b19da-d68b-412d-a9d4-f9725c01fda9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[443057,443070] [2021-11-25 17:53:03,095 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f86b19da-d68b-412d-a9d4-f9725c01fda9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[443203,443216] [2021-11-25 17:53:03,095 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f86b19da-d68b-412d-a9d4-f9725c01fda9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[443348,443361] [2021-11-25 17:53:03,096 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f86b19da-d68b-412d-a9d4-f9725c01fda9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[443502,443515] [2021-11-25 17:53:03,097 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f86b19da-d68b-412d-a9d4-f9725c01fda9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[443653,443666] [2021-11-25 17:53:03,097 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f86b19da-d68b-412d-a9d4-f9725c01fda9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[443808,443821] [2021-11-25 17:53:03,098 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f86b19da-d68b-412d-a9d4-f9725c01fda9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[443960,443973] [2021-11-25 17:53:03,099 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f86b19da-d68b-412d-a9d4-f9725c01fda9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[444115,444128] [2021-11-25 17:53:03,100 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f86b19da-d68b-412d-a9d4-f9725c01fda9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[444279,444292] [2021-11-25 17:53:03,101 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f86b19da-d68b-412d-a9d4-f9725c01fda9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[444435,444448] [2021-11-25 17:53:03,102 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f86b19da-d68b-412d-a9d4-f9725c01fda9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[444599,444612] [2021-11-25 17:53:03,103 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f86b19da-d68b-412d-a9d4-f9725c01fda9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[444741,444754] [2021-11-25 17:53:03,104 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f86b19da-d68b-412d-a9d4-f9725c01fda9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[444899,444912] [2021-11-25 17:53:03,106 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f86b19da-d68b-412d-a9d4-f9725c01fda9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[445066,445079] [2021-11-25 17:53:03,107 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f86b19da-d68b-412d-a9d4-f9725c01fda9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[445225,445238] [2021-11-25 17:53:03,108 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f86b19da-d68b-412d-a9d4-f9725c01fda9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[445384,445397] [2021-11-25 17:53:03,109 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f86b19da-d68b-412d-a9d4-f9725c01fda9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[445533,445546] [2021-11-25 17:53:03,110 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f86b19da-d68b-412d-a9d4-f9725c01fda9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[445680,445693] [2021-11-25 17:53:03,110 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f86b19da-d68b-412d-a9d4-f9725c01fda9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[445819,445832] [2021-11-25 17:53:03,111 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f86b19da-d68b-412d-a9d4-f9725c01fda9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[445982,445995] [2021-11-25 17:53:03,111 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f86b19da-d68b-412d-a9d4-f9725c01fda9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[446148,446161] [2021-11-25 17:53:03,112 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f86b19da-d68b-412d-a9d4-f9725c01fda9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[446312,446325] [2021-11-25 17:53:03,112 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f86b19da-d68b-412d-a9d4-f9725c01fda9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[446477,446490] [2021-11-25 17:53:03,113 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f86b19da-d68b-412d-a9d4-f9725c01fda9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[446642,446655] [2021-11-25 17:53:03,114 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f86b19da-d68b-412d-a9d4-f9725c01fda9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[446808,446821] [2021-11-25 17:53:03,114 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f86b19da-d68b-412d-a9d4-f9725c01fda9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[446973,446986] [2021-11-25 17:53:03,115 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f86b19da-d68b-412d-a9d4-f9725c01fda9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[447140,447153] [2021-11-25 17:53:03,116 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f86b19da-d68b-412d-a9d4-f9725c01fda9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[447300,447313] [2021-11-25 17:53:03,118 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f86b19da-d68b-412d-a9d4-f9725c01fda9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[447462,447475] [2021-11-25 17:53:03,119 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f86b19da-d68b-412d-a9d4-f9725c01fda9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[447621,447634] [2021-11-25 17:53:03,123 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f86b19da-d68b-412d-a9d4-f9725c01fda9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[447767,447780] [2021-11-25 17:53:03,124 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f86b19da-d68b-412d-a9d4-f9725c01fda9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[447910,447923] [2021-11-25 17:53:03,124 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f86b19da-d68b-412d-a9d4-f9725c01fda9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[448054,448067] [2021-11-25 17:53:03,125 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f86b19da-d68b-412d-a9d4-f9725c01fda9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[448197,448210] [2021-11-25 17:53:03,126 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f86b19da-d68b-412d-a9d4-f9725c01fda9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[448341,448354] [2021-11-25 17:53:03,131 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f86b19da-d68b-412d-a9d4-f9725c01fda9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[448482,448495] [2021-11-25 17:53:03,132 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f86b19da-d68b-412d-a9d4-f9725c01fda9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[448620,448633] [2021-11-25 17:53:03,132 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f86b19da-d68b-412d-a9d4-f9725c01fda9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[448778,448791] [2021-11-25 17:53:03,133 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f86b19da-d68b-412d-a9d4-f9725c01fda9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[448937,448950] [2021-11-25 17:53:03,142 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f86b19da-d68b-412d-a9d4-f9725c01fda9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[449093,449106] [2021-11-25 17:53:03,147 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f86b19da-d68b-412d-a9d4-f9725c01fda9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[449242,449255] [2021-11-25 17:53:03,148 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f86b19da-d68b-412d-a9d4-f9725c01fda9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[449394,449407] [2021-11-25 17:53:03,148 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f86b19da-d68b-412d-a9d4-f9725c01fda9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[449545,449558] [2021-11-25 17:53:03,149 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f86b19da-d68b-412d-a9d4-f9725c01fda9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[449694,449707] [2021-11-25 17:53:03,149 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f86b19da-d68b-412d-a9d4-f9725c01fda9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[449846,449859] [2021-11-25 17:53:03,150 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f86b19da-d68b-412d-a9d4-f9725c01fda9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[449994,450007] [2021-11-25 17:53:03,150 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f86b19da-d68b-412d-a9d4-f9725c01fda9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[450147,450160] [2021-11-25 17:53:03,151 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f86b19da-d68b-412d-a9d4-f9725c01fda9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[450298,450311] [2021-11-25 17:53:03,151 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f86b19da-d68b-412d-a9d4-f9725c01fda9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[450448,450461] [2021-11-25 17:53:03,152 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f86b19da-d68b-412d-a9d4-f9725c01fda9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[450595,450608] [2021-11-25 17:53:03,152 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f86b19da-d68b-412d-a9d4-f9725c01fda9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[450746,450759] [2021-11-25 17:53:03,153 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f86b19da-d68b-412d-a9d4-f9725c01fda9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[450897,450910] [2021-11-25 17:53:03,155 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f86b19da-d68b-412d-a9d4-f9725c01fda9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[451045,451058] [2021-11-25 17:53:03,156 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f86b19da-d68b-412d-a9d4-f9725c01fda9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[451211,451224] [2021-11-25 17:53:03,156 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f86b19da-d68b-412d-a9d4-f9725c01fda9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[451380,451393] [2021-11-25 17:53:03,159 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f86b19da-d68b-412d-a9d4-f9725c01fda9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[451547,451560] [2021-11-25 17:53:03,159 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f86b19da-d68b-412d-a9d4-f9725c01fda9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[451715,451728] [2021-11-25 17:53:03,160 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f86b19da-d68b-412d-a9d4-f9725c01fda9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[451865,451878] [2021-11-25 17:53:03,160 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f86b19da-d68b-412d-a9d4-f9725c01fda9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[452012,452025] [2021-11-25 17:53:03,161 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f86b19da-d68b-412d-a9d4-f9725c01fda9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[452173,452186] [2021-11-25 17:53:03,161 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f86b19da-d68b-412d-a9d4-f9725c01fda9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[452343,452356] [2021-11-25 17:53:03,162 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f86b19da-d68b-412d-a9d4-f9725c01fda9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[452505,452518] [2021-11-25 17:53:03,167 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-25 17:53:03,614 INFO L208 MainTranslator]: Completed translation [2021-11-25 17:53:03,614 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:53:03 WrapperNode [2021-11-25 17:53:03,615 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-25 17:53:03,616 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-25 17:53:03,616 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-25 17:53:03,616 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-25 17:53:03,626 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:53:03" (1/1) ... [2021-11-25 17:53:03,799 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:53:03" (1/1) ... [2021-11-25 17:53:04,091 INFO L137 Inliner]: procedures = 745, calls = 3007, calls flagged for inlining = 366, calls inlined = 283, statements flattened = 6655 [2021-11-25 17:53:04,092 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-25 17:53:04,093 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-25 17:53:04,094 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-25 17:53:04,094 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-25 17:53:04,105 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:53:03" (1/1) ... [2021-11-25 17:53:04,106 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:53:03" (1/1) ... [2021-11-25 17:53:04,171 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:53:03" (1/1) ... [2021-11-25 17:53:04,172 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:53:03" (1/1) ... [2021-11-25 17:53:04,370 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:53:03" (1/1) ... [2021-11-25 17:53:04,410 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:53:03" (1/1) ... [2021-11-25 17:53:04,462 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:53:03" (1/1) ... [2021-11-25 17:53:04,523 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-25 17:53:04,525 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-25 17:53:04,525 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-25 17:53:04,526 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-25 17:53:04,527 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:53:03" (1/1) ... [2021-11-25 17:53:04,539 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-25 17:53:04,554 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f86b19da-d68b-412d-a9d4-f9725c01fda9/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 17:53:04,573 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f86b19da-d68b-412d-a9d4-f9725c01fda9/bin/utaipan-eEHZpOm5b7/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-25 17:53:04,586 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f86b19da-d68b-412d-a9d4-f9725c01fda9/bin/utaipan-eEHZpOm5b7/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-25 17:53:04,633 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_area_prepare_fill [2021-11-25 17:53:04,633 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_area_prepare_fill [2021-11-25 17:53:04,634 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_rnd_perf [2021-11-25 17:53:04,634 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_rnd_perf [2021-11-25 17:53:04,634 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_coherent_check_final_state [2021-11-25 17:53:04,634 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_coherent_check_final_state [2021-11-25 17:53:04,635 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-11-25 17:53:04,635 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-11-25 17:53:04,636 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_verify_write [2021-11-25 17:53:04,636 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_verify_write [2021-11-25 17:53:04,637 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-11-25 17:53:04,639 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-11-25 17:53:04,639 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_rate [2021-11-25 17:53:04,639 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_rate [2021-11-25 17:53:04,639 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_verify_read [2021-11-25 17:53:04,640 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_verify_read [2021-11-25 17:53:04,640 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_no_highmem [2021-11-25 17:53:04,640 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_no_highmem [2021-11-25 17:53:04,640 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_prepare_write [2021-11-25 17:53:04,640 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_prepare_write [2021-11-25 17:53:04,641 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_mmc_sdio_func_check_final_state [2021-11-25 17:53:04,641 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_mmc_sdio_func_check_final_state [2021-11-25 17:53:04,641 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_irq_restore [2021-11-25 17:53:04,641 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_irq_restore [2021-11-25 17:53:04,642 INFO L130 BoogieDeclarations]: Found specification of procedure __mmc_test_prepare [2021-11-25 17:53:04,642 INFO L138 BoogieDeclarations]: Found implementation of procedure __mmc_test_prepare [2021-11-25 17:53:04,642 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_best_read_perf_max_scatter [2021-11-25 17:53:04,642 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_best_read_perf_max_scatter [2021-11-25 17:53:04,642 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_arch_io_check_final_state [2021-11-25 17:53:04,643 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_arch_io_check_final_state [2021-11-25 17:53:04,643 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_check_result [2021-11-25 17:53:04,643 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_check_result [2021-11-25 17:53:04,643 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_module_check_final_state [2021-11-25 17:53:04,643 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_module_check_final_state [2021-11-25 17:53:04,644 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_basic_write [2021-11-25 17:53:04,644 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_basic_write [2021-11-25 17:53:04,644 INFO L130 BoogieDeclarations]: Found specification of procedure __mmc_test_register_dbgfs_file [2021-11-25 17:53:04,644 INFO L138 BoogieDeclarations]: Found implementation of procedure __mmc_test_register_dbgfs_file [2021-11-25 17:53:04,644 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_align_read [2021-11-25 17:53:04,645 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_align_read [2021-11-25 17:53:04,645 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2021-11-25 17:53:04,645 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2021-11-25 17:53:04,645 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_broken_transfer [2021-11-25 17:53:04,645 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_broken_transfer [2021-11-25 17:53:04,646 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-11-25 17:53:04,646 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-11-25 17:53:04,646 INFO L130 BoogieDeclarations]: Found specification of procedure arch_irqs_disabled_flags [2021-11-25 17:53:04,646 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_irqs_disabled_flags [2021-11-25 17:53:04,646 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_queue_check_final_state [2021-11-25 17:53:04,647 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_queue_check_final_state [2021-11-25 17:53:04,647 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_cleanup [2021-11-25 17:53:04,647 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_cleanup [2021-11-25 17:53:04,647 INFO L130 BoogieDeclarations]: Found specification of procedure sg_init_table [2021-11-25 17:53:04,647 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_init_table [2021-11-25 17:53:04,647 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-25 17:53:04,648 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_remove [2021-11-25 17:53:04,648 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_remove [2021-11-25 17:53:04,648 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_large_seq_perf [2021-11-25 17:53:04,648 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_large_seq_perf [2021-11-25 17:53:04,648 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_area_io [2021-11-25 17:53:04,649 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_area_io [2021-11-25 17:53:04,649 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2021-11-25 17:53:04,649 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2021-11-25 17:53:04,649 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2021-11-25 17:53:04,651 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2021-11-25 17:53:04,655 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_free_mem [2021-11-25 17:53:04,655 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_free_mem [2021-11-25 17:53:04,656 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_request_check_final_state [2021-11-25 17:53:04,656 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_request_check_final_state [2021-11-25 17:53:04,656 INFO L130 BoogieDeclarations]: Found specification of procedure timespec_sub [2021-11-25 17:53:04,656 INFO L138 BoogieDeclarations]: Found implementation of procedure timespec_sub [2021-11-25 17:53:04,656 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_area_prepare_erase [2021-11-25 17:53:04,657 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_area_prepare_erase [2021-11-25 17:53:04,657 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_profile_mult_read_blocking_perf [2021-11-25 17:53:04,659 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_profile_mult_read_blocking_perf [2021-11-25 17:53:04,659 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_free_result [2021-11-25 17:53:04,659 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_free_result [2021-11-25 17:53:04,660 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_print_avg_rate [2021-11-25 17:53:04,660 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_print_avg_rate [2021-11-25 17:53:04,660 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_in_interrupt_context [2021-11-25 17:53:04,660 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_in_interrupt_context [2021-11-25 17:53:04,660 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2021-11-25 17:53:04,660 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2021-11-25 17:53:04,661 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_best_performance [2021-11-25 17:53:04,661 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_best_performance [2021-11-25 17:53:04,661 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_bh_check_final_state [2021-11-25 17:53:04,661 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_bh_check_final_state [2021-11-25 17:53:04,661 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-25 17:53:04,662 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_genhd_check_final_state [2021-11-25 17:53:04,662 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_genhd_check_final_state [2021-11-25 17:53:04,662 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_after_alloc [2021-11-25 17:53:04,662 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_after_alloc [2021-11-25 17:53:04,662 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_area_erase [2021-11-25 17:53:04,663 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_area_erase [2021-11-25 17:53:04,663 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_register_reset_error_counter [2021-11-25 17:53:04,663 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_register_reset_error_counter [2021-11-25 17:53:04,663 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_area_init [2021-11-25 17:53:04,663 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_area_init [2021-11-25 17:53:04,664 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2021-11-25 17:53:04,664 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2021-11-25 17:53:04,664 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2021-11-25 17:53:04,664 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2021-11-25 17:53:04,664 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_xfersize_write [2021-11-25 17:53:04,664 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_xfersize_write [2021-11-25 17:53:04,665 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2021-11-25 17:53:04,665 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2021-11-25 17:53:04,665 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_lib_idr_check_final_state [2021-11-25 17:53:04,665 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_lib_idr_check_final_state [2021-11-25 17:53:04,665 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_best_read_performance [2021-11-25 17:53:04,666 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_best_read_performance [2021-11-25 17:53:04,666 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_nonblock_reset [2021-11-25 17:53:04,666 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_nonblock_reset [2021-11-25 17:53:04,666 INFO L130 BoogieDeclarations]: Found specification of procedure sg_next [2021-11-25 17:53:04,666 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_next [2021-11-25 17:53:04,667 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_srcu_check_final_state [2021-11-25 17:53:04,667 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_srcu_check_final_state [2021-11-25 17:53:04,667 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_profile_mult_write_nonblock_perf [2021-11-25 17:53:04,667 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_profile_mult_write_nonblock_perf [2021-11-25 17:53:04,668 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-25 17:53:04,668 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_irq_save [2021-11-25 17:53:04,669 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_irq_save [2021-11-25 17:53:04,669 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_profile_sglen_r_blocking_perf [2021-11-25 17:53:04,669 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_profile_sglen_r_blocking_perf [2021-11-25 17:53:04,669 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_pow2_write [2021-11-25 17:53:04,669 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_pow2_write [2021-11-25 17:53:04,669 INFO L130 BoogieDeclarations]: Found specification of procedure seq_lseek [2021-11-25 17:53:04,670 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_lseek [2021-11-25 17:53:04,670 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2021-11-25 17:53:04,670 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2021-11-25 17:53:04,670 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-25 17:53:04,670 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_rw_multiple_sg_len [2021-11-25 17:53:04,671 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_rw_multiple_sg_len [2021-11-25 17:53:04,671 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_large_seq_read_perf [2021-11-25 17:53:04,671 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_large_seq_read_perf [2021-11-25 17:53:04,671 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2021-11-25 17:53:04,671 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2021-11-25 17:53:04,671 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-25 17:53:04,672 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_xfersize_read [2021-11-25 17:53:04,672 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_xfersize_read [2021-11-25 17:53:04,672 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_simple_transfer [2021-11-25 17:53:04,672 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_simple_transfer [2021-11-25 17:53:04,672 INFO L130 BoogieDeclarations]: Found specification of procedure sg_mark_end [2021-11-25 17:53:04,673 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_mark_end [2021-11-25 17:53:04,673 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2021-11-25 17:53:04,673 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2021-11-25 17:53:04,673 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_rnd_num [2021-11-25 17:53:04,673 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_rnd_num [2021-11-25 17:53:04,673 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_area_fill [2021-11-25 17:53:04,674 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_area_fill [2021-11-25 17:53:04,674 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_profile_seq_read_perf [2021-11-25 17:53:04,674 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_profile_seq_read_perf [2021-11-25 17:53:04,674 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_random_read_perf [2021-11-25 17:53:04,674 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_random_read_perf [2021-11-25 17:53:04,675 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_best_write_performance [2021-11-25 17:53:04,675 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_best_write_performance [2021-11-25 17:53:04,675 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_register_reset_error_counter [2021-11-25 17:53:04,675 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_register_reset_error_counter [2021-11-25 17:53:04,675 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_remove [2021-11-25 17:53:04,676 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_remove [2021-11-25 17:53:04,676 INFO L130 BoogieDeclarations]: Found specification of procedure dev_name [2021-11-25 17:53:04,676 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_name [2021-11-25 17:53:04,676 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_pow2_read [2021-11-25 17:53:04,676 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_pow2_read [2021-11-25 17:53:04,676 INFO L130 BoogieDeclarations]: Found specification of procedure sg_init_one [2021-11-25 17:53:04,677 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_init_one [2021-11-25 17:53:04,677 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-25 17:53:04,677 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-25 17:53:04,677 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_start_req [2021-11-25 17:53:04,677 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_start_req [2021-11-25 17:53:04,678 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_wait_busy [2021-11-25 17:53:04,678 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_wait_busy [2021-11-25 17:53:04,678 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-11-25 17:53:04,678 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-11-25 17:53:04,678 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_seq_read_perf [2021-11-25 17:53:04,679 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_seq_read_perf [2021-11-25 17:53:04,679 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_buffer_transfer [2021-11-25 17:53:04,679 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_buffer_transfer [2021-11-25 17:53:04,679 INFO L130 BoogieDeclarations]: Found specification of procedure seq_read [2021-11-25 17:53:04,679 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_read [2021-11-25 17:53:04,679 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_multi_read [2021-11-25 17:53:04,680 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_multi_read [2021-11-25 17:53:04,680 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_mutex_mutex_unlock_mmc_test_lock [2021-11-25 17:53:04,680 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_mutex_mutex_unlock_mmc_test_lock [2021-11-25 17:53:04,680 INFO L130 BoogieDeclarations]: Found specification of procedure trace_hardirqs_on [2021-11-25 17:53:04,680 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_hardirqs_on [2021-11-25 17:53:04,680 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_weird_write [2021-11-25 17:53:04,681 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_weird_write [2021-11-25 17:53:04,681 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_profile_sglen_wr_blocking_perf [2021-11-25 17:53:04,681 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_profile_sglen_wr_blocking_perf [2021-11-25 17:53:04,681 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-25 17:53:04,681 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-25 17:53:04,682 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_profile_seq_write_perf [2021-11-25 17:53:04,682 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_profile_seq_write_perf [2021-11-25 17:53:04,682 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_profile_trim_perf [2021-11-25 17:53:04,682 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_profile_trim_perf [2021-11-25 17:53:04,682 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_seq_write_perf [2021-11-25 17:53:04,682 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_seq_write_perf [2021-11-25 17:53:04,683 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_sock_check_final_state [2021-11-25 17:53:04,683 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_sock_check_final_state [2021-11-25 17:53:04,683 INFO L130 BoogieDeclarations]: Found specification of procedure mtf_test_write [2021-11-25 17:53:04,683 INFO L138 BoogieDeclarations]: Found implementation of procedure mtf_test_write [2021-11-25 17:53:04,683 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_random_write_perf [2021-11-25 17:53:04,684 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_random_write_perf [2021-11-25 17:53:04,684 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_gadget_check_final_state [2021-11-25 17:53:04,684 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_gadget_check_final_state [2021-11-25 17:53:04,684 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-25 17:53:04,684 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_multi_xfersize_write [2021-11-25 17:53:04,684 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_multi_xfersize_write [2021-11-25 17:53:04,685 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_fs_sysfs_check_final_state [2021-11-25 17:53:04,685 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_fs_sysfs_check_final_state [2021-11-25 17:53:04,685 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_multi_xfersize_read [2021-11-25 17:53:04,685 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_multi_xfersize_read [2021-11-25 17:53:04,685 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_area_io_seq [2021-11-25 17:53:04,685 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_area_io_seq [2021-11-25 17:53:04,686 INFO L130 BoogieDeclarations]: Found specification of procedure trace_hardirqs_off [2021-11-25 17:53:04,686 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_hardirqs_off [2021-11-25 17:53:04,686 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_set_blksize [2021-11-25 17:53:04,686 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_set_blksize [2021-11-25 17:53:04,686 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-25 17:53:04,687 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_transfer [2021-11-25 17:53:04,687 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_transfer [2021-11-25 17:53:04,687 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_profile_sglen_wr_nonblock_perf [2021-11-25 17:53:04,687 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_profile_sglen_wr_nonblock_perf [2021-11-25 17:53:04,687 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_profile_mult_read_nonblock_perf [2021-11-25 17:53:04,687 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_profile_mult_read_nonblock_perf [2021-11-25 17:53:04,688 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_rw_multiple_size [2021-11-25 17:53:04,688 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_rw_multiple_size [2021-11-25 17:53:04,688 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_save_transfer_result [2021-11-25 17:53:04,688 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_save_transfer_result [2021-11-25 17:53:04,688 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_shutdown [2021-11-25 17:53:04,689 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_shutdown [2021-11-25 17:53:04,689 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_prepare_read [2021-11-25 17:53:04,689 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_prepare_read [2021-11-25 17:53:04,689 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-25 17:53:04,689 INFO L130 BoogieDeclarations]: Found specification of procedure getnstimeofday [2021-11-25 17:53:04,689 INFO L138 BoogieDeclarations]: Found implementation of procedure getnstimeofday [2021-11-25 17:53:04,690 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_erase [2021-11-25 17:53:04,690 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_erase [2021-11-25 17:53:04,690 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_busy [2021-11-25 17:53:04,690 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_busy [2021-11-25 17:53:04,690 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_profile_write_perf [2021-11-25 17:53:04,691 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_profile_write_perf [2021-11-25 17:53:04,691 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_free_dbgfs_file [2021-11-25 17:53:04,691 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_free_dbgfs_file [2021-11-25 17:53:04,691 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2021-11-25 17:53:04,691 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2021-11-25 17:53:04,691 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_rtnetlink_check_final_state [2021-11-25 17:53:04,692 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_rtnetlink_check_final_state [2021-11-25 17:53:04,692 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_best_write_perf_max_scatter [2021-11-25 17:53:04,692 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_best_write_perf_max_scatter [2021-11-25 17:53:04,692 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2021-11-25 17:53:04,692 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2021-11-25 17:53:04,693 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_seq_perf [2021-11-25 17:53:04,693 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_seq_perf [2021-11-25 17:53:04,693 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2021-11-25 17:53:04,693 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2021-11-25 17:53:04,693 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_basic_read [2021-11-25 17:53:04,693 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_basic_read [2021-11-25 17:53:04,694 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_check_final_state [2021-11-25 17:53:04,694 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_check_final_state [2021-11-25 17:53:04,694 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock [2021-11-25 17:53:04,694 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock [2021-11-25 17:53:04,694 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_urb_check_final_state [2021-11-25 17:53:04,694 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_urb_check_final_state [2021-11-25 17:53:04,695 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_capacity [2021-11-25 17:53:04,695 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_capacity [2021-11-25 17:53:04,695 INFO L130 BoogieDeclarations]: Found specification of procedure single_open [2021-11-25 17:53:04,695 INFO L138 BoogieDeclarations]: Found implementation of procedure single_open [2021-11-25 17:53:04,695 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_wait_for_req [2021-11-25 17:53:04,696 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_wait_for_req [2021-11-25 17:53:04,696 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_hw_reset [2021-11-25 17:53:04,696 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_hw_reset [2021-11-25 17:53:04,696 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_align_multi_write [2021-11-25 17:53:04,696 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_align_multi_write [2021-11-25 17:53:04,696 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_rwlock_check_final_state [2021-11-25 17:53:04,697 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_rwlock_check_final_state [2021-11-25 17:53:04,697 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-11-25 17:53:04,697 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-11-25 17:53:04,697 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_prepare_mrq [2021-11-25 17:53:04,697 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_prepare_mrq [2021-11-25 17:53:04,698 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlock [2021-11-25 17:53:04,698 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlock [2021-11-25 17:53:04,698 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_large_seq_write_perf [2021-11-25 17:53:04,698 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_large_seq_write_perf [2021-11-25 17:53:04,698 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_can_erase [2021-11-25 17:53:04,698 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_can_erase [2021-11-25 17:53:04,699 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_rw_multiple [2021-11-25 17:53:04,699 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_rw_multiple [2021-11-25 17:53:04,699 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-25 17:53:04,699 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_fs_char_dev_check_final_state [2021-11-25 17:53:04,699 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_fs_char_dev_check_final_state [2021-11-25 17:53:04,700 INFO L130 BoogieDeclarations]: Found specification of procedure single_release [2021-11-25 17:53:04,700 INFO L138 BoogieDeclarations]: Found implementation of procedure single_release [2021-11-25 17:53:04,700 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-11-25 17:53:04,700 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-11-25 17:53:04,700 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_print_rate [2021-11-25 17:53:04,700 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_print_rate [2021-11-25 17:53:04,701 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_can_trim [2021-11-25 17:53:04,701 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_can_trim [2021-11-25 17:53:04,701 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_align_write [2021-11-25 17:53:04,701 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_align_write [2021-11-25 17:53:04,701 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_drivers_base_class_check_final_state [2021-11-25 17:53:04,701 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_drivers_base_class_check_final_state [2021-11-25 17:53:04,702 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_random_perf [2021-11-25 17:53:04,702 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_random_perf [2021-11-25 17:53:04,702 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_multi_write [2021-11-25 17:53:04,702 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_multi_write [2021-11-25 17:53:04,702 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_profile_sglen_r_nonblock_perf [2021-11-25 17:53:04,703 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_profile_sglen_r_nonblock_perf [2021-11-25 17:53:04,703 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_mutex_mutex_lock_mmc_test_lock [2021-11-25 17:53:04,703 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_mutex_mutex_lock_mmc_test_lock [2021-11-25 17:53:04,703 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_weird_read [2021-11-25 17:53:04,703 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_weird_read [2021-11-25 17:53:04,703 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_profile_mult_write_blocking_perf [2021-11-25 17:53:04,704 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_profile_mult_write_blocking_perf [2021-11-25 17:53:04,704 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_probe [2021-11-25 17:53:04,704 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_probe [2021-11-25 17:53:04,704 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2021-11-25 17:53:04,704 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2021-11-25 17:53:04,705 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_sched_check_final_state [2021-11-25 17:53:04,705 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_sched_check_final_state [2021-11-25 17:53:04,705 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_profile_read_perf [2021-11-25 17:53:04,705 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_profile_read_perf [2021-11-25 17:53:04,705 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_profile_seq_trim_perf [2021-11-25 17:53:04,705 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_profile_seq_trim_perf [2021-11-25 17:53:04,706 INFO L130 BoogieDeclarations]: Found specification of procedure sg_set_page [2021-11-25 17:53:04,706 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_set_page [2021-11-25 17:53:04,706 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-25 17:53:04,706 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_area_cleanup [2021-11-25 17:53:04,706 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_area_cleanup [2021-11-25 17:53:06,298 INFO L236 CfgBuilder]: Building ICFG [2021-11-25 17:53:06,304 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-25 17:53:07,074 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-11-25 17:53:31,510 INFO L277 CfgBuilder]: Performing block encoding [2021-11-25 17:53:33,247 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-25 17:53:33,248 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-11-25 17:53:33,258 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 05:53:33 BoogieIcfgContainer [2021-11-25 17:53:33,258 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-25 17:53:33,261 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-25 17:53:33,261 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-25 17:53:33,265 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-25 17:53:33,266 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 05:52:56" (1/3) ... [2021-11-25 17:53:33,267 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@798ddfa8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 05:53:33, skipping insertion in model container [2021-11-25 17:53:33,267 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:53:03" (2/3) ... [2021-11-25 17:53:33,268 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@798ddfa8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 05:53:33, skipping insertion in model container [2021-11-25 17:53:33,268 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 05:53:33" (3/3) ... [2021-11-25 17:53:33,270 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i [2021-11-25 17:53:33,277 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-25 17:53:33,277 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 25 error locations. [2021-11-25 17:53:33,369 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-25 17:53:33,380 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-25 17:53:33,380 INFO L340 AbstractCegarLoop]: Starting to check reachability of 25 error locations. [2021-11-25 17:53:33,482 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) [2021-11-25 17:53:33,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-11-25 17:53:33,491 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 17:53:33,492 INFO L514 BasicCegarLoop]: 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] [2021-11-25 17:53:33,492 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_linux_arch_io_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 23 more)] === [2021-11-25 17:53:33,503 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 17:53:33,503 INFO L85 PathProgramCache]: Analyzing trace with hash -1556829324, now seen corresponding path program 1 times [2021-11-25 17:53:33,514 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 17:53:33,515 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [863023456] [2021-11-25 17:53:33,515 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 17:53:33,516 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 17:53:34,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 17:53:34,469 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2021-11-25 17:53:34,469 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 17:53:34,470 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [863023456] [2021-11-25 17:53:34,470 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [863023456] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 17:53:34,471 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 17:53:34,471 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-25 17:53:34,473 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [298682763] [2021-11-25 17:53:34,475 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 17:53:34,480 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-25 17:53:34,482 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 17:53:34,522 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-25 17:53:34,523 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-25 17:53:34,533 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) [2021-11-25 17:53:37,222 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-25 17:53:39,571 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 17:53:42,473 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2021-11-25 17:53:44,106 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 17:53:44,107 INFO L93 Difference]: Finished difference Result 4978 states and 7382 transitions. [2021-11-25 17:53:44,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-25 17:53:44,112 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 [2021-11-25 17:53:44,112 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 17:53:44,180 INFO L225 Difference]: With dead ends: 4978 [2021-11-25 17:53:44,180 INFO L226 Difference]: Without dead ends: 2605 [2021-11-25 17:53:44,214 INFO L932 BasicCegarLoop]: 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 [2021-11-25 17:53:44,219 INFO L933 BasicCegarLoop]: 2923 mSDtfsCounter, 3202 mSDsluCounter, 3893 mSDsCounter, 0 mSdLazyCounter, 1041 mSolverCounterSat, 0 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3223 SdHoareTripleChecker+Valid, 6262 SdHoareTripleChecker+Invalid, 1044 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1041 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.1s IncrementalHoareTripleChecker+Time [2021-11-25 17:53:44,221 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3223 Valid, 6262 Invalid, 1044 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 1041 Invalid, 3 Unknown, 0 Unchecked, 9.1s Time] [2021-11-25 17:53:44,252 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2605 states. [2021-11-25 17:53:44,578 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2605 to 2594. [2021-11-25 17:53:44,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2594 states, 1598 states have (on average 1.2953692115143929) internal successors, (2070), 1654 states have internal predecessors, (2070), 771 states have call successors, (771), 203 states have call predecessors, (771), 201 states have return successors, (769), 760 states have call predecessors, (769), 769 states have call successors, (769) [2021-11-25 17:53:44,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2594 states to 2594 states and 3610 transitions. [2021-11-25 17:53:44,635 INFO L78 Accepts]: Start accepts. Automaton has 2594 states and 3610 transitions. Word has length 47 [2021-11-25 17:53:44,636 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 17:53:44,636 INFO L470 AbstractCegarLoop]: Abstraction has 2594 states and 3610 transitions. [2021-11-25 17:53:44,637 INFO L471 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) [2021-11-25 17:53:44,637 INFO L276 IsEmpty]: Start isEmpty. Operand 2594 states and 3610 transitions. [2021-11-25 17:53:44,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-11-25 17:53:44,642 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 17:53:44,643 INFO L514 BasicCegarLoop]: 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] [2021-11-25 17:53:44,643 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-25 17:53:44,644 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_linux_block_genhd_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 23 more)] === [2021-11-25 17:53:44,648 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 17:53:44,648 INFO L85 PathProgramCache]: Analyzing trace with hash -410701207, now seen corresponding path program 1 times [2021-11-25 17:53:44,649 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 17:53:44,649 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2075043605] [2021-11-25 17:53:44,649 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 17:53:44,650 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 17:53:44,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 17:53:44,990 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2021-11-25 17:53:44,991 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 17:53:44,991 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2075043605] [2021-11-25 17:53:44,991 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2075043605] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 17:53:44,991 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 17:53:44,992 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-25 17:53:44,992 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [710613787] [2021-11-25 17:53:44,992 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 17:53:44,994 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-25 17:53:44,994 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 17:53:44,994 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-25 17:53:44,995 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-25 17:53:44,995 INFO L87 Difference]: Start difference. First operand 2594 states and 3610 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) [2021-11-25 17:53:47,671 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-25 17:53:49,999 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 17:53:52,766 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2021-11-25 17:53:54,296 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 17:53:54,297 INFO L93 Difference]: Finished difference Result 2605 states and 3632 transitions. [2021-11-25 17:53:54,297 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-25 17:53:54,297 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 [2021-11-25 17:53:54,298 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 17:53:54,324 INFO L225 Difference]: With dead ends: 2605 [2021-11-25 17:53:54,324 INFO L226 Difference]: Without dead ends: 2603 [2021-11-25 17:53:54,327 INFO L932 BasicCegarLoop]: 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 [2021-11-25 17:53:54,328 INFO L933 BasicCegarLoop]: 2825 mSDtfsCounter, 3102 mSDsluCounter, 3792 mSDsCounter, 0 mSdLazyCounter, 1039 mSolverCounterSat, 0 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3123 SdHoareTripleChecker+Valid, 6064 SdHoareTripleChecker+Invalid, 1042 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1039 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.0s IncrementalHoareTripleChecker+Time [2021-11-25 17:53:54,329 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3123 Valid, 6064 Invalid, 1042 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1039 Invalid, 3 Unknown, 0 Unchecked, 9.0s Time] [2021-11-25 17:53:54,336 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2603 states. [2021-11-25 17:53:54,489 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2603 to 2592. [2021-11-25 17:53:54,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2592 states, 1597 states have (on average 1.2949279899812147) internal successors, (2068), 1652 states have internal predecessors, (2068), 771 states have call successors, (771), 203 states have call predecessors, (771), 201 states have return successors, (769), 760 states have call predecessors, (769), 769 states have call successors, (769) [2021-11-25 17:53:54,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2592 states to 2592 states and 3608 transitions. [2021-11-25 17:53:54,522 INFO L78 Accepts]: Start accepts. Automaton has 2592 states and 3608 transitions. Word has length 52 [2021-11-25 17:53:54,523 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 17:53:54,523 INFO L470 AbstractCegarLoop]: Abstraction has 2592 states and 3608 transitions. [2021-11-25 17:53:54,523 INFO L471 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) [2021-11-25 17:53:54,524 INFO L276 IsEmpty]: Start isEmpty. Operand 2592 states and 3608 transitions. [2021-11-25 17:53:54,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2021-11-25 17:53:54,527 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 17:53:54,527 INFO L514 BasicCegarLoop]: 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] [2021-11-25 17:53:54,527 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-25 17:53:54,528 INFO L402 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)] === [2021-11-25 17:53:54,528 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 17:53:54,529 INFO L85 PathProgramCache]: Analyzing trace with hash 898599116, now seen corresponding path program 1 times [2021-11-25 17:53:54,529 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 17:53:54,529 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [708192080] [2021-11-25 17:53:54,529 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 17:53:54,529 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 17:53:54,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 17:53:54,816 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2021-11-25 17:53:54,817 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 17:53:54,817 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [708192080] [2021-11-25 17:53:54,817 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [708192080] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 17:53:54,817 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 17:53:54,817 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-25 17:53:54,818 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [754330053] [2021-11-25 17:53:54,818 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 17:53:54,818 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-25 17:53:54,818 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 17:53:54,819 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-25 17:53:54,819 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-25 17:53:54,819 INFO L87 Difference]: Start difference. First operand 2592 states and 3608 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) [2021-11-25 17:53:57,597 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-25 17:54:00,973 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 17:54:03,004 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 17:54:05,959 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 17:54:07,511 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.55s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 17:54:09,269 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.76s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 17:54:12,246 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2021-11-25 17:54:14,266 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 17:54:14,266 INFO L93 Difference]: Finished difference Result 3766 states and 5227 transitions. [2021-11-25 17:54:14,267 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-25 17:54:14,267 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 [2021-11-25 17:54:14,268 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 17:54:14,302 INFO L225 Difference]: With dead ends: 3766 [2021-11-25 17:54:14,302 INFO L226 Difference]: Without dead ends: 3764 [2021-11-25 17:54:14,306 INFO L932 BasicCegarLoop]: 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 [2021-11-25 17:54:14,307 INFO L933 BasicCegarLoop]: 3804 mSDtfsCounter, 3027 mSDsluCounter, 10491 mSDsCounter, 0 mSdLazyCounter, 1870 mSolverCounterSat, 2 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 18.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3043 SdHoareTripleChecker+Valid, 12994 SdHoareTripleChecker+Invalid, 1877 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 1870 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 19.0s IncrementalHoareTripleChecker+Time [2021-11-25 17:54:14,308 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3043 Valid, 12994 Invalid, 1877 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2 Valid, 1870 Invalid, 5 Unknown, 0 Unchecked, 19.0s Time] [2021-11-25 17:54:14,316 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3764 states. [2021-11-25 17:54:14,692 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3764 to 3744. [2021-11-25 17:54:14,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3744 states, 2314 states have (on average 1.3003457216940364) internal successors, (3009), 2383 states have internal predecessors, (3009), 1089 states have call successors, (1089), 323 states have call predecessors, (1089), 318 states have return successors, (1106), 1069 states have call predecessors, (1106), 1087 states have call successors, (1106) [2021-11-25 17:54:14,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3744 states to 3744 states and 5204 transitions. [2021-11-25 17:54:14,744 INFO L78 Accepts]: Start accepts. Automaton has 3744 states and 5204 transitions. Word has length 56 [2021-11-25 17:54:14,747 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 17:54:14,747 INFO L470 AbstractCegarLoop]: Abstraction has 3744 states and 5204 transitions. [2021-11-25 17:54:14,747 INFO L471 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) [2021-11-25 17:54:14,748 INFO L276 IsEmpty]: Start isEmpty. Operand 3744 states and 5204 transitions. [2021-11-25 17:54:14,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2021-11-25 17:54:14,752 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 17:54:14,752 INFO L514 BasicCegarLoop]: 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] [2021-11-25 17:54:14,752 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-25 17:54:14,753 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_linux_block_queue_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 23 more)] === [2021-11-25 17:54:14,753 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 17:54:14,753 INFO L85 PathProgramCache]: Analyzing trace with hash -767909449, now seen corresponding path program 1 times [2021-11-25 17:54:14,754 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 17:54:14,754 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [198218753] [2021-11-25 17:54:14,754 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 17:54:14,754 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 17:54:14,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 17:54:15,067 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2021-11-25 17:54:15,067 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 17:54:15,068 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [198218753] [2021-11-25 17:54:15,068 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [198218753] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 17:54:15,068 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 17:54:15,069 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-25 17:54:15,069 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [623888833] [2021-11-25 17:54:15,069 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 17:54:15,070 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-25 17:54:15,070 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 17:54:15,070 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-25 17:54:15,071 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-25 17:54:15,071 INFO L87 Difference]: Start difference. First operand 3744 states and 5204 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) [2021-11-25 17:54:17,582 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-25 17:54:20,021 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 17:54:22,296 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 17:54:22,297 INFO L93 Difference]: Finished difference Result 3790 states and 5260 transitions. [2021-11-25 17:54:22,297 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-25 17:54:22,297 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 [2021-11-25 17:54:22,298 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 17:54:22,348 INFO L225 Difference]: With dead ends: 3790 [2021-11-25 17:54:22,348 INFO L226 Difference]: Without dead ends: 3788 [2021-11-25 17:54:22,352 INFO L932 BasicCegarLoop]: 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 [2021-11-25 17:54:22,357 INFO L933 BasicCegarLoop]: 2814 mSDtfsCounter, 3120 mSDsluCounter, 3741 mSDsCounter, 0 mSdLazyCounter, 1034 mSolverCounterSat, 0 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3129 SdHoareTripleChecker+Valid, 6007 SdHoareTripleChecker+Invalid, 1036 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1034 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.9s IncrementalHoareTripleChecker+Time [2021-11-25 17:54:22,358 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3129 Valid, 6007 Invalid, 1036 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1034 Invalid, 2 Unknown, 0 Unchecked, 6.9s Time] [2021-11-25 17:54:22,368 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3788 states. [2021-11-25 17:54:22,584 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3788 to 3782. [2021-11-25 17:54:22,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3782 states, 2338 states have (on average 1.300256629597947) internal successors, (3040), 2407 states have internal predecessors, (3040), 1097 states have call successors, (1097), 330 states have call predecessors, (1097), 325 states have return successors, (1117), 1076 states have call predecessors, (1117), 1095 states have call successors, (1117) [2021-11-25 17:54:22,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3782 states to 3782 states and 5254 transitions. [2021-11-25 17:54:22,636 INFO L78 Accepts]: Start accepts. Automaton has 3782 states and 5254 transitions. Word has length 57 [2021-11-25 17:54:22,636 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 17:54:22,636 INFO L470 AbstractCegarLoop]: Abstraction has 3782 states and 5254 transitions. [2021-11-25 17:54:22,638 INFO L471 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) [2021-11-25 17:54:22,638 INFO L276 IsEmpty]: Start isEmpty. Operand 3782 states and 5254 transitions. [2021-11-25 17:54:22,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2021-11-25 17:54:22,643 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 17:54:22,643 INFO L514 BasicCegarLoop]: 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] [2021-11-25 17:54:22,643 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-25 17:54:22,644 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_linux_block_request_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 23 more)] === [2021-11-25 17:54:22,644 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 17:54:22,644 INFO L85 PathProgramCache]: Analyzing trace with hash 421794942, now seen corresponding path program 1 times [2021-11-25 17:54:22,645 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 17:54:22,645 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [908144396] [2021-11-25 17:54:22,645 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 17:54:22,645 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 17:54:22,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 17:54:22,908 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2021-11-25 17:54:22,908 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 17:54:22,909 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [908144396] [2021-11-25 17:54:22,909 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [908144396] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 17:54:22,909 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 17:54:22,909 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-25 17:54:22,910 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [975402103] [2021-11-25 17:54:22,910 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 17:54:22,911 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-25 17:54:22,912 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 17:54:22,912 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-25 17:54:22,912 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-25 17:54:22,913 INFO L87 Difference]: Start difference. First operand 3782 states and 5254 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) [2021-11-25 17:54:25,392 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-25 17:54:27,649 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 17:54:30,236 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2021-11-25 17:54:32,807 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2021-11-25 17:54:34,048 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 17:54:34,048 INFO L93 Difference]: Finished difference Result 3791 states and 5272 transitions. [2021-11-25 17:54:34,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-25 17:54:34,049 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 [2021-11-25 17:54:34,050 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 17:54:34,084 INFO L225 Difference]: With dead ends: 3791 [2021-11-25 17:54:34,084 INFO L226 Difference]: Without dead ends: 3789 [2021-11-25 17:54:34,087 INFO L932 BasicCegarLoop]: 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 [2021-11-25 17:54:34,088 INFO L933 BasicCegarLoop]: 2817 mSDtfsCounter, 3096 mSDsluCounter, 3783 mSDsCounter, 0 mSdLazyCounter, 1036 mSolverCounterSat, 0 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3117 SdHoareTripleChecker+Valid, 6048 SdHoareTripleChecker+Invalid, 1040 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1036 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.8s IncrementalHoareTripleChecker+Time [2021-11-25 17:54:34,088 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3117 Valid, 6048 Invalid, 1040 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1036 Invalid, 4 Unknown, 0 Unchecked, 10.8s Time] [2021-11-25 17:54:34,096 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3789 states. [2021-11-25 17:54:34,299 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3789 to 3783. [2021-11-25 17:54:34,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3783 states, 2339 states have (on average 1.2997007268063274) internal successors, (3040), 2408 states have internal predecessors, (3040), 1097 states have call successors, (1097), 330 states have call predecessors, (1097), 326 states have return successors, (1129), 1076 states have call predecessors, (1129), 1095 states have call successors, (1129) [2021-11-25 17:54:34,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3783 states to 3783 states and 5266 transitions. [2021-11-25 17:54:34,329 INFO L78 Accepts]: Start accepts. Automaton has 3783 states and 5266 transitions. Word has length 62 [2021-11-25 17:54:34,329 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 17:54:34,329 INFO L470 AbstractCegarLoop]: Abstraction has 3783 states and 5266 transitions. [2021-11-25 17:54:34,330 INFO L471 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) [2021-11-25 17:54:34,330 INFO L276 IsEmpty]: Start isEmpty. Operand 3783 states and 5266 transitions. [2021-11-25 17:54:34,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2021-11-25 17:54:34,331 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 17:54:34,332 INFO L514 BasicCegarLoop]: 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] [2021-11-25 17:54:34,332 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-11-25 17:54:34,332 INFO L402 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)] === [2021-11-25 17:54:34,333 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 17:54:34,333 INFO L85 PathProgramCache]: Analyzing trace with hash 1715620054, now seen corresponding path program 1 times [2021-11-25 17:54:34,333 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 17:54:34,333 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [713919271] [2021-11-25 17:54:34,333 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 17:54:34,334 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 17:54:34,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 17:54:34,599 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2021-11-25 17:54:34,599 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 17:54:34,600 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [713919271] [2021-11-25 17:54:34,600 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [713919271] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 17:54:34,600 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 17:54:34,600 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-25 17:54:34,600 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1703395965] [2021-11-25 17:54:34,600 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 17:54:34,601 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-25 17:54:34,601 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 17:54:34,602 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-25 17:54:34,602 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-25 17:54:34,602 INFO L87 Difference]: Start difference. First operand 3783 states and 5266 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) [2021-11-25 17:54:37,509 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-25 17:54:39,957 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 17:54:43,641 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2021-11-25 17:54:45,905 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2021-11-25 17:54:47,897 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 17:54:47,897 INFO L93 Difference]: Finished difference Result 3805 states and 5289 transitions. [2021-11-25 17:54:47,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-25 17:54:47,898 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 [2021-11-25 17:54:47,898 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 17:54:47,931 INFO L225 Difference]: With dead ends: 3805 [2021-11-25 17:54:47,932 INFO L226 Difference]: Without dead ends: 3803 [2021-11-25 17:54:47,936 INFO L932 BasicCegarLoop]: 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 [2021-11-25 17:54:47,937 INFO L933 BasicCegarLoop]: 3409 mSDtfsCounter, 1667 mSDsluCounter, 11063 mSDsCounter, 0 mSdLazyCounter, 2158 mSolverCounterSat, 0 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1687 SdHoareTripleChecker+Valid, 12885 SdHoareTripleChecker+Invalid, 2162 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2158 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.0s IncrementalHoareTripleChecker+Time [2021-11-25 17:54:47,937 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1687 Valid, 12885 Invalid, 2162 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2158 Invalid, 4 Unknown, 0 Unchecked, 13.0s Time] [2021-11-25 17:54:47,946 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3803 states. [2021-11-25 17:54:48,154 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3803 to 3791. [2021-11-25 17:54:48,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3791 states, 2344 states have (on average 1.299061433447099) internal successors, (3045), 2413 states have internal predecessors, (3045), 1099 states have call successors, (1099), 332 states have call predecessors, (1099), 327 states have return successors, (1131), 1077 states have call predecessors, (1131), 1097 states have call successors, (1131) [2021-11-25 17:54:48,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3791 states to 3791 states and 5275 transitions. [2021-11-25 17:54:48,180 INFO L78 Accepts]: Start accepts. Automaton has 3791 states and 5275 transitions. Word has length 67 [2021-11-25 17:54:48,180 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 17:54:48,180 INFO L470 AbstractCegarLoop]: Abstraction has 3791 states and 5275 transitions. [2021-11-25 17:54:48,180 INFO L471 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) [2021-11-25 17:54:48,181 INFO L276 IsEmpty]: Start isEmpty. Operand 3791 states and 5275 transitions. [2021-11-25 17:54:48,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2021-11-25 17:54:48,183 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 17:54:48,184 INFO L514 BasicCegarLoop]: 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] [2021-11-25 17:54:48,184 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-11-25 17:54:48,184 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_linux_drivers_base_class_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 23 more)] === [2021-11-25 17:54:48,184 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 17:54:48,185 INFO L85 PathProgramCache]: Analyzing trace with hash -1314807788, now seen corresponding path program 1 times [2021-11-25 17:54:48,185 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 17:54:48,185 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1078478819] [2021-11-25 17:54:48,185 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 17:54:48,185 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 17:54:48,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 17:54:48,504 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2021-11-25 17:54:48,504 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 17:54:48,504 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1078478819] [2021-11-25 17:54:48,505 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1078478819] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 17:54:48,505 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 17:54:48,505 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-25 17:54:48,505 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [803604123] [2021-11-25 17:54:48,506 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 17:54:48,506 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-25 17:54:48,506 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 17:54:48,507 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-25 17:54:48,507 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-25 17:54:48,507 INFO L87 Difference]: Start difference. First operand 3791 states and 5275 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) [2021-11-25 17:54:50,999 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-25 17:54:53,295 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 17:54:56,015 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2021-11-25 17:54:57,133 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 17:54:57,133 INFO L93 Difference]: Finished difference Result 3797 states and 5279 transitions. [2021-11-25 17:54:57,133 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-25 17:54:57,134 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 [2021-11-25 17:54:57,134 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 17:54:57,168 INFO L225 Difference]: With dead ends: 3797 [2021-11-25 17:54:57,169 INFO L226 Difference]: Without dead ends: 3795 [2021-11-25 17:54:57,172 INFO L932 BasicCegarLoop]: 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 [2021-11-25 17:54:57,173 INFO L933 BasicCegarLoop]: 2815 mSDtfsCounter, 3093 mSDsluCounter, 3781 mSDsCounter, 0 mSdLazyCounter, 1037 mSolverCounterSat, 0 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3114 SdHoareTripleChecker+Valid, 6044 SdHoareTripleChecker+Invalid, 1040 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1037 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.4s IncrementalHoareTripleChecker+Time [2021-11-25 17:54:57,174 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3114 Valid, 6044 Invalid, 1040 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1037 Invalid, 3 Unknown, 0 Unchecked, 8.4s Time] [2021-11-25 17:54:57,182 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3795 states. [2021-11-25 17:54:57,394 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3795 to 3789. [2021-11-25 17:54:57,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3789 states, 2343 states have (on average 1.2987622705932564) internal successors, (3043), 2411 states have internal predecessors, (3043), 1099 states have call successors, (1099), 332 states have call predecessors, (1099), 327 states have return successors, (1131), 1077 states have call predecessors, (1131), 1097 states have call successors, (1131) [2021-11-25 17:54:57,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3789 states to 3789 states and 5273 transitions. [2021-11-25 17:54:57,421 INFO L78 Accepts]: Start accepts. Automaton has 3789 states and 5273 transitions. Word has length 67 [2021-11-25 17:54:57,421 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 17:54:57,421 INFO L470 AbstractCegarLoop]: Abstraction has 3789 states and 5273 transitions. [2021-11-25 17:54:57,422 INFO L471 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) [2021-11-25 17:54:57,422 INFO L276 IsEmpty]: Start isEmpty. Operand 3789 states and 5273 transitions. [2021-11-25 17:54:57,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2021-11-25 17:54:57,424 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 17:54:57,424 INFO L514 BasicCegarLoop]: 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] [2021-11-25 17:54:57,425 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-11-25 17:54:57,425 INFO L402 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)] === [2021-11-25 17:54:57,426 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 17:54:57,426 INFO L85 PathProgramCache]: Analyzing trace with hash -1928460163, now seen corresponding path program 1 times [2021-11-25 17:54:57,426 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 17:54:57,427 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1146247582] [2021-11-25 17:54:57,427 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 17:54:57,427 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 17:54:57,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 17:54:57,654 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2021-11-25 17:54:57,654 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 17:54:57,655 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1146247582] [2021-11-25 17:54:57,655 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1146247582] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 17:54:57,655 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 17:54:57,655 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-25 17:54:57,656 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [473583761] [2021-11-25 17:54:57,656 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 17:54:57,657 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-25 17:54:57,657 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 17:54:57,658 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-25 17:54:57,658 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-25 17:54:57,658 INFO L87 Difference]: Start difference. First operand 3789 states and 5273 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) [2021-11-25 17:55:00,158 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-25 17:55:02,497 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 17:55:05,264 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2021-11-25 17:55:06,313 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 17:55:06,314 INFO L93 Difference]: Finished difference Result 3795 states and 5277 transitions. [2021-11-25 17:55:06,314 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-25 17:55:06,315 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 [2021-11-25 17:55:06,315 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 17:55:06,349 INFO L225 Difference]: With dead ends: 3795 [2021-11-25 17:55:06,350 INFO L226 Difference]: Without dead ends: 3793 [2021-11-25 17:55:06,354 INFO L932 BasicCegarLoop]: 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 [2021-11-25 17:55:06,355 INFO L933 BasicCegarLoop]: 2805 mSDtfsCounter, 3090 mSDsluCounter, 3768 mSDsCounter, 0 mSdLazyCounter, 1031 mSolverCounterSat, 0 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3111 SdHoareTripleChecker+Valid, 6024 SdHoareTripleChecker+Invalid, 1034 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1031 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.4s IncrementalHoareTripleChecker+Time [2021-11-25 17:55:06,355 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3111 Valid, 6024 Invalid, 1034 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1031 Invalid, 3 Unknown, 0 Unchecked, 8.4s Time] [2021-11-25 17:55:06,371 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3793 states. [2021-11-25 17:55:06,638 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3793 to 3787. [2021-11-25 17:55:06,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3787 states, 2342 states have (on average 1.298462852263023) internal successors, (3041), 2409 states have internal predecessors, (3041), 1099 states have call successors, (1099), 332 states have call predecessors, (1099), 327 states have return successors, (1131), 1077 states have call predecessors, (1131), 1097 states have call successors, (1131) [2021-11-25 17:55:06,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3787 states to 3787 states and 5271 transitions. [2021-11-25 17:55:06,664 INFO L78 Accepts]: Start accepts. Automaton has 3787 states and 5271 transitions. Word has length 72 [2021-11-25 17:55:06,666 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 17:55:06,666 INFO L470 AbstractCegarLoop]: Abstraction has 3787 states and 5271 transitions. [2021-11-25 17:55:06,666 INFO L471 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) [2021-11-25 17:55:06,667 INFO L276 IsEmpty]: Start isEmpty. Operand 3787 states and 5271 transitions. [2021-11-25 17:55:06,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2021-11-25 17:55:06,674 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 17:55:06,675 INFO L514 BasicCegarLoop]: 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] [2021-11-25 17:55:06,675 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-11-25 17:55:06,675 INFO L402 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)] === [2021-11-25 17:55:06,675 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 17:55:06,676 INFO L85 PathProgramCache]: Analyzing trace with hash 86361178, now seen corresponding path program 1 times [2021-11-25 17:55:06,676 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 17:55:06,676 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1718879203] [2021-11-25 17:55:06,676 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 17:55:06,676 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 17:55:06,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 17:55:07,003 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2021-11-25 17:55:07,004 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 17:55:07,004 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1718879203] [2021-11-25 17:55:07,004 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1718879203] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 17:55:07,004 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 17:55:07,004 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-25 17:55:07,004 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [71815057] [2021-11-25 17:55:07,005 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 17:55:07,005 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-25 17:55:07,005 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 17:55:07,006 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-25 17:55:07,006 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-25 17:55:07,006 INFO L87 Difference]: Start difference. First operand 3787 states and 5271 transitions. Second operand has 6 states, 5 states have (on average 7.4) internal successors, (37), 5 states have internal predecessors, (37), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (12), 3 states have call predecessors, (12), 2 states have call successors, (12) [2021-11-25 17:55:10,441 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-25 17:55:13,076 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 17:55:17,813 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2021-11-25 17:55:20,947 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 17:55:20,947 INFO L93 Difference]: Finished difference Result 3793 states and 5275 transitions. [2021-11-25 17:55:20,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-25 17:55:20,948 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 7.4) internal successors, (37), 5 states have internal predecessors, (37), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (12), 3 states have call predecessors, (12), 2 states have call successors, (12) Word has length 86 [2021-11-25 17:55:20,948 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 17:55:20,977 INFO L225 Difference]: With dead ends: 3793 [2021-11-25 17:55:20,977 INFO L226 Difference]: Without dead ends: 3791 [2021-11-25 17:55:20,981 INFO L932 BasicCegarLoop]: 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 [2021-11-25 17:55:20,982 INFO L933 BasicCegarLoop]: 2814 mSDtfsCounter, 3094 mSDsluCounter, 8999 mSDsCounter, 0 mSdLazyCounter, 3361 mSolverCounterSat, 2 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3116 SdHoareTripleChecker+Valid, 10304 SdHoareTripleChecker+Invalid, 3366 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 3361 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.6s IncrementalHoareTripleChecker+Time [2021-11-25 17:55:20,982 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3116 Valid, 10304 Invalid, 3366 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2 Valid, 3361 Invalid, 3 Unknown, 0 Unchecked, 13.6s Time] [2021-11-25 17:55:20,991 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3791 states. [2021-11-25 17:55:21,216 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3791 to 3787. [2021-11-25 17:55:21,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3787 states, 2342 states have (on average 1.297608881298036) internal successors, (3039), 2409 states have internal predecessors, (3039), 1099 states have call successors, (1099), 332 states have call predecessors, (1099), 327 states have return successors, (1131), 1077 states have call predecessors, (1131), 1097 states have call successors, (1131) [2021-11-25 17:55:21,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3787 states to 3787 states and 5269 transitions. [2021-11-25 17:55:21,243 INFO L78 Accepts]: Start accepts. Automaton has 3787 states and 5269 transitions. Word has length 86 [2021-11-25 17:55:21,244 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 17:55:21,244 INFO L470 AbstractCegarLoop]: Abstraction has 3787 states and 5269 transitions. [2021-11-25 17:55:21,244 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 7.4) internal successors, (37), 5 states have internal predecessors, (37), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (12), 3 states have call predecessors, (12), 2 states have call successors, (12) [2021-11-25 17:55:21,245 INFO L276 IsEmpty]: Start isEmpty. Operand 3787 states and 5269 transitions. [2021-11-25 17:55:21,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2021-11-25 17:55:21,247 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 17:55:21,248 INFO L514 BasicCegarLoop]: 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] [2021-11-25 17:55:21,248 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-11-25 17:55:21,249 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 23 more)] === [2021-11-25 17:55:21,249 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 17:55:21,249 INFO L85 PathProgramCache]: Analyzing trace with hash -601619581, now seen corresponding path program 1 times [2021-11-25 17:55:21,250 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 17:55:21,250 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [287852556] [2021-11-25 17:55:21,250 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 17:55:21,250 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 17:55:21,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 17:55:21,523 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2021-11-25 17:55:21,524 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 17:55:21,524 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [287852556] [2021-11-25 17:55:21,524 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [287852556] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 17:55:21,524 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 17:55:21,524 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-25 17:55:21,525 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1234611699] [2021-11-25 17:55:21,525 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 17:55:21,526 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-25 17:55:21,526 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 17:55:21,526 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-25 17:55:21,526 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-25 17:55:21,527 INFO L87 Difference]: Start difference. First operand 3787 states and 5269 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) [2021-11-25 17:55:24,035 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-25 17:55:26,364 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 17:55:29,096 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2021-11-25 17:55:30,137 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 17:55:30,137 INFO L93 Difference]: Finished difference Result 3791 states and 5272 transitions. [2021-11-25 17:55:30,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-25 17:55:30,137 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 [2021-11-25 17:55:30,138 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 17:55:30,159 INFO L225 Difference]: With dead ends: 3791 [2021-11-25 17:55:30,159 INFO L226 Difference]: Without dead ends: 3789 [2021-11-25 17:55:30,163 INFO L932 BasicCegarLoop]: 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 [2021-11-25 17:55:30,164 INFO L933 BasicCegarLoop]: 2803 mSDtfsCounter, 3085 mSDsluCounter, 3766 mSDsCounter, 0 mSdLazyCounter, 1031 mSolverCounterSat, 0 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3106 SdHoareTripleChecker+Valid, 6020 SdHoareTripleChecker+Invalid, 1034 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1031 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.4s IncrementalHoareTripleChecker+Time [2021-11-25 17:55:30,164 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3106 Valid, 6020 Invalid, 1034 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1031 Invalid, 3 Unknown, 0 Unchecked, 8.4s Time] [2021-11-25 17:55:30,172 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3789 states. [2021-11-25 17:55:30,394 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3789 to 3785. [2021-11-25 17:55:30,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3785 states, 2341 states have (on average 1.2973088423750534) internal successors, (3037), 2407 states have internal predecessors, (3037), 1099 states have call successors, (1099), 332 states have call predecessors, (1099), 327 states have return successors, (1131), 1077 states have call predecessors, (1131), 1097 states have call successors, (1131) [2021-11-25 17:55:30,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3785 states to 3785 states and 5267 transitions. [2021-11-25 17:55:30,420 INFO L78 Accepts]: Start accepts. Automaton has 3785 states and 5267 transitions. Word has length 77 [2021-11-25 17:55:30,420 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 17:55:30,420 INFO L470 AbstractCegarLoop]: Abstraction has 3785 states and 5267 transitions. [2021-11-25 17:55:30,421 INFO L471 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) [2021-11-25 17:55:30,421 INFO L276 IsEmpty]: Start isEmpty. Operand 3785 states and 5267 transitions. [2021-11-25 17:55:30,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2021-11-25 17:55:30,423 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 17:55:30,423 INFO L514 BasicCegarLoop]: 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] [2021-11-25 17:55:30,423 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-11-25 17:55:30,424 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_check_alloc_flagsErr1ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 23 more)] === [2021-11-25 17:55:30,424 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 17:55:30,424 INFO L85 PathProgramCache]: Analyzing trace with hash 311285400, now seen corresponding path program 1 times [2021-11-25 17:55:30,425 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 17:55:30,425 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [319201058] [2021-11-25 17:55:30,425 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 17:55:30,425 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 17:55:30,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 17:55:30,614 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2021-11-25 17:55:30,614 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 17:55:30,614 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [319201058] [2021-11-25 17:55:30,615 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [319201058] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 17:55:30,615 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 17:55:30,615 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-25 17:55:30,615 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [626698287] [2021-11-25 17:55:30,615 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 17:55:30,616 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-25 17:55:30,616 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 17:55:30,617 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-25 17:55:30,617 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 17:55:30,617 INFO L87 Difference]: Start difference. First operand 3785 states and 5267 transitions. Second operand has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 3 states have internal predecessors, (40), 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) [2021-11-25 17:55:32,900 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-25 17:55:35,156 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 17:55:37,713 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2021-11-25 17:55:38,577 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 17:55:38,578 INFO L93 Difference]: Finished difference Result 7552 states and 10702 transitions. [2021-11-25 17:55:38,578 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-25 17:55:38,578 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 3 states have internal predecessors, (40), 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 89 [2021-11-25 17:55:38,579 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 17:55:38,600 INFO L225 Difference]: With dead ends: 7552 [2021-11-25 17:55:38,600 INFO L226 Difference]: Without dead ends: 3783 [2021-11-25 17:55:38,624 INFO L932 BasicCegarLoop]: 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 [2021-11-25 17:55:38,624 INFO L933 BasicCegarLoop]: 2812 mSDtfsCounter, 3070 mSDsluCounter, 482 mSDsCounter, 0 mSdLazyCounter, 556 mSolverCounterSat, 0 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3089 SdHoareTripleChecker+Valid, 3224 SdHoareTripleChecker+Invalid, 559 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 556 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.7s IncrementalHoareTripleChecker+Time [2021-11-25 17:55:38,625 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3089 Valid, 3224 Invalid, 559 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 556 Invalid, 3 Unknown, 0 Unchecked, 7.7s Time] [2021-11-25 17:55:38,633 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3783 states. [2021-11-25 17:55:38,865 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3783 to 3781. [2021-11-25 17:55:38,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3781 states, 2337 states have (on average 1.2961061189559264) internal successors, (3029), 2403 states have internal predecessors, (3029), 1099 states have call successors, (1099), 332 states have call predecessors, (1099), 327 states have return successors, (1131), 1077 states have call predecessors, (1131), 1097 states have call successors, (1131) [2021-11-25 17:55:38,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3781 states to 3781 states and 5259 transitions. [2021-11-25 17:55:38,892 INFO L78 Accepts]: Start accepts. Automaton has 3781 states and 5259 transitions. Word has length 89 [2021-11-25 17:55:38,895 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 17:55:38,895 INFO L470 AbstractCegarLoop]: Abstraction has 3781 states and 5259 transitions. [2021-11-25 17:55:38,896 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 3 states have internal predecessors, (40), 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) [2021-11-25 17:55:38,896 INFO L276 IsEmpty]: Start isEmpty. Operand 3781 states and 5259 transitions. [2021-11-25 17:55:38,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2021-11-25 17:55:38,898 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 17:55:38,898 INFO L514 BasicCegarLoop]: 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] [2021-11-25 17:55:38,898 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-11-25 17:55:38,899 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_linux_kernel_locking_rwlock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 23 more)] === [2021-11-25 17:55:38,899 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 17:55:38,899 INFO L85 PathProgramCache]: Analyzing trace with hash 1592968744, now seen corresponding path program 1 times [2021-11-25 17:55:38,899 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 17:55:38,900 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1467543386] [2021-11-25 17:55:38,900 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 17:55:38,900 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 17:55:38,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 17:55:39,101 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2021-11-25 17:55:39,101 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 17:55:39,101 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1467543386] [2021-11-25 17:55:39,101 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1467543386] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 17:55:39,102 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 17:55:39,102 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-25 17:55:39,102 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1218903096] [2021-11-25 17:55:39,102 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 17:55:39,103 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-25 17:55:39,103 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 17:55:39,103 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-25 17:55:39,104 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-25 17:55:39,104 INFO L87 Difference]: Start difference. First operand 3781 states and 5259 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) [2021-11-25 17:55:41,616 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-25 17:55:43,943 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 17:55:45,611 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 17:55:45,611 INFO L93 Difference]: Finished difference Result 3783 states and 5261 transitions. [2021-11-25 17:55:45,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-25 17:55:45,611 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 [2021-11-25 17:55:45,612 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 17:55:45,629 INFO L225 Difference]: With dead ends: 3783 [2021-11-25 17:55:45,629 INFO L226 Difference]: Without dead ends: 3781 [2021-11-25 17:55:45,634 INFO L932 BasicCegarLoop]: 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 [2021-11-25 17:55:45,635 INFO L933 BasicCegarLoop]: 2804 mSDtfsCounter, 3102 mSDsluCounter, 3727 mSDsCounter, 0 mSdLazyCounter, 1034 mSolverCounterSat, 0 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3111 SdHoareTripleChecker+Valid, 5983 SdHoareTripleChecker+Invalid, 1036 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1034 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.3s IncrementalHoareTripleChecker+Time [2021-11-25 17:55:45,635 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3111 Valid, 5983 Invalid, 1036 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1034 Invalid, 2 Unknown, 0 Unchecked, 6.3s Time] [2021-11-25 17:55:45,642 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3781 states. [2021-11-25 17:55:45,891 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3781 to 3779. [2021-11-25 17:55:45,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3779 states, 2336 states have (on average 1.295804794520548) internal successors, (3027), 2401 states have internal predecessors, (3027), 1099 states have call successors, (1099), 332 states have call predecessors, (1099), 327 states have return successors, (1131), 1077 states have call predecessors, (1131), 1097 states have call successors, (1131) [2021-11-25 17:55:45,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3779 states to 3779 states and 5257 transitions. [2021-11-25 17:55:45,917 INFO L78 Accepts]: Start accepts. Automaton has 3779 states and 5257 transitions. Word has length 82 [2021-11-25 17:55:45,920 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 17:55:45,920 INFO L470 AbstractCegarLoop]: Abstraction has 3779 states and 5257 transitions. [2021-11-25 17:55:45,920 INFO L471 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) [2021-11-25 17:55:45,921 INFO L276 IsEmpty]: Start isEmpty. Operand 3779 states and 5257 transitions. [2021-11-25 17:55:45,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2021-11-25 17:55:45,923 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 17:55:45,923 INFO L514 BasicCegarLoop]: 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] [2021-11-25 17:55:45,923 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-11-25 17:55:45,923 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_linux_kernel_locking_rwlock_check_final_stateErr1ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 23 more)] === [2021-11-25 17:55:45,924 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 17:55:45,924 INFO L85 PathProgramCache]: Analyzing trace with hash 1834752011, now seen corresponding path program 1 times [2021-11-25 17:55:45,924 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 17:55:45,924 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1998397212] [2021-11-25 17:55:45,925 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 17:55:45,925 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 17:55:46,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 17:55:46,154 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2021-11-25 17:55:46,154 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 17:55:46,154 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1998397212] [2021-11-25 17:55:46,155 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1998397212] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 17:55:46,155 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 17:55:46,155 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-25 17:55:46,155 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [774022760] [2021-11-25 17:55:46,156 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 17:55:46,156 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-25 17:55:46,156 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 17:55:46,157 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-25 17:55:46,157 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-25 17:55:46,157 INFO L87 Difference]: Start difference. First operand 3779 states and 5257 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) [2021-11-25 17:55:48,669 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-25 17:55:50,965 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 17:55:53,703 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2021-11-25 17:55:54,853 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 17:55:54,854 INFO L93 Difference]: Finished difference Result 3781 states and 5259 transitions. [2021-11-25 17:55:54,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-25 17:55:54,854 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 [2021-11-25 17:55:54,855 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 17:55:54,874 INFO L225 Difference]: With dead ends: 3781 [2021-11-25 17:55:54,875 INFO L226 Difference]: Without dead ends: 3779 [2021-11-25 17:55:54,878 INFO L932 BasicCegarLoop]: 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 [2021-11-25 17:55:54,880 INFO L933 BasicCegarLoop]: 2807 mSDtfsCounter, 3073 mSDsluCounter, 3773 mSDsCounter, 0 mSdLazyCounter, 1037 mSolverCounterSat, 0 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3094 SdHoareTripleChecker+Valid, 6028 SdHoareTripleChecker+Invalid, 1040 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1037 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.4s IncrementalHoareTripleChecker+Time [2021-11-25 17:55:54,880 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3094 Valid, 6028 Invalid, 1040 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1037 Invalid, 3 Unknown, 0 Unchecked, 8.4s Time] [2021-11-25 17:55:54,887 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3779 states. [2021-11-25 17:55:55,150 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3779 to 3777. [2021-11-25 17:55:55,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3777 states, 2335 states have (on average 1.2955032119914347) internal successors, (3025), 2399 states have internal predecessors, (3025), 1099 states have call successors, (1099), 332 states have call predecessors, (1099), 327 states have return successors, (1131), 1077 states have call predecessors, (1131), 1097 states have call successors, (1131) [2021-11-25 17:55:55,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3777 states to 3777 states and 5255 transitions. [2021-11-25 17:55:55,175 INFO L78 Accepts]: Start accepts. Automaton has 3777 states and 5255 transitions. Word has length 84 [2021-11-25 17:55:55,175 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 17:55:55,176 INFO L470 AbstractCegarLoop]: Abstraction has 3777 states and 5255 transitions. [2021-11-25 17:55:55,176 INFO L471 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) [2021-11-25 17:55:55,176 INFO L276 IsEmpty]: Start isEmpty. Operand 3777 states and 5255 transitions. [2021-11-25 17:55:55,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2021-11-25 17:55:55,178 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 17:55:55,178 INFO L514 BasicCegarLoop]: 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] [2021-11-25 17:55:55,179 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-11-25 17:55:55,179 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_linux_kernel_module_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 23 more)] === [2021-11-25 17:55:55,180 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 17:55:55,180 INFO L85 PathProgramCache]: Analyzing trace with hash 1533192365, now seen corresponding path program 1 times [2021-11-25 17:55:55,180 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 17:55:55,180 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [741285196] [2021-11-25 17:55:55,181 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 17:55:55,181 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 17:55:55,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 17:55:55,359 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2021-11-25 17:55:55,359 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 17:55:55,360 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [741285196] [2021-11-25 17:55:55,360 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [741285196] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 17:55:55,360 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 17:55:55,360 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-25 17:55:55,360 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [341276605] [2021-11-25 17:55:55,361 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 17:55:55,361 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-25 17:55:55,361 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 17:55:55,362 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-25 17:55:55,362 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-25 17:55:55,362 INFO L87 Difference]: Start difference. First operand 3777 states and 5255 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) [2021-11-25 17:55:57,843 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-25 17:56:00,164 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 17:56:03,025 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2021-11-25 17:56:04,098 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 17:56:04,098 INFO L93 Difference]: Finished difference Result 3779 states and 5257 transitions. [2021-11-25 17:56:04,099 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-25 17:56:04,099 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 [2021-11-25 17:56:04,099 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 17:56:04,115 INFO L225 Difference]: With dead ends: 3779 [2021-11-25 17:56:04,115 INFO L226 Difference]: Without dead ends: 3777 [2021-11-25 17:56:04,118 INFO L932 BasicCegarLoop]: 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 [2021-11-25 17:56:04,119 INFO L933 BasicCegarLoop]: 2797 mSDtfsCounter, 3072 mSDsluCounter, 3760 mSDsCounter, 0 mSdLazyCounter, 1031 mSolverCounterSat, 0 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3093 SdHoareTripleChecker+Valid, 6008 SdHoareTripleChecker+Invalid, 1034 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1031 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.4s IncrementalHoareTripleChecker+Time [2021-11-25 17:56:04,119 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3093 Valid, 6008 Invalid, 1034 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1031 Invalid, 3 Unknown, 0 Unchecked, 8.4s Time] [2021-11-25 17:56:04,125 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3777 states. [2021-11-25 17:56:04,395 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3777 to 3775. [2021-11-25 17:56:04,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3775 states, 2334 states have (on average 1.2952013710368466) internal successors, (3023), 2397 states have internal predecessors, (3023), 1099 states have call successors, (1099), 332 states have call predecessors, (1099), 327 states have return successors, (1131), 1077 states have call predecessors, (1131), 1097 states have call successors, (1131) [2021-11-25 17:56:04,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3775 states to 3775 states and 5253 transitions. [2021-11-25 17:56:04,421 INFO L78 Accepts]: Start accepts. Automaton has 3775 states and 5253 transitions. Word has length 89 [2021-11-25 17:56:04,421 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 17:56:04,421 INFO L470 AbstractCegarLoop]: Abstraction has 3775 states and 5253 transitions. [2021-11-25 17:56:04,421 INFO L471 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) [2021-11-25 17:56:04,422 INFO L276 IsEmpty]: Start isEmpty. Operand 3775 states and 5253 transitions. [2021-11-25 17:56:04,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2021-11-25 17:56:04,424 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 17:56:04,424 INFO L514 BasicCegarLoop]: 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] [2021-11-25 17:56:04,424 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-11-25 17:56:04,425 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ldv_linux_kernel_rcu_update_lock_bh_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 23 more)] === [2021-11-25 17:56:04,425 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 17:56:04,425 INFO L85 PathProgramCache]: Analyzing trace with hash 633819718, now seen corresponding path program 1 times [2021-11-25 17:56:04,425 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 17:56:04,426 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1903159652] [2021-11-25 17:56:04,426 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 17:56:04,426 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 17:56:04,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 17:56:04,602 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2021-11-25 17:56:04,603 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 17:56:04,603 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1903159652] [2021-11-25 17:56:04,603 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1903159652] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 17:56:04,603 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 17:56:04,603 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-25 17:56:04,604 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1001162440] [2021-11-25 17:56:04,604 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 17:56:04,604 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-25 17:56:04,605 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 17:56:04,605 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-25 17:56:04,605 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-25 17:56:04,606 INFO L87 Difference]: Start difference. First operand 3775 states and 5253 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) [2021-11-25 17:56:07,016 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-25 17:56:09,370 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 17:56:12,109 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2021-11-25 17:56:13,246 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 17:56:13,246 INFO L93 Difference]: Finished difference Result 3777 states and 5255 transitions. [2021-11-25 17:56:13,246 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-25 17:56:13,247 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 [2021-11-25 17:56:13,247 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 17:56:13,266 INFO L225 Difference]: With dead ends: 3777 [2021-11-25 17:56:13,267 INFO L226 Difference]: Without dead ends: 3775 [2021-11-25 17:56:13,270 INFO L932 BasicCegarLoop]: 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 [2021-11-25 17:56:13,271 INFO L933 BasicCegarLoop]: 2803 mSDtfsCounter, 3069 mSDsluCounter, 3769 mSDsCounter, 0 mSdLazyCounter, 1037 mSolverCounterSat, 0 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3090 SdHoareTripleChecker+Valid, 6020 SdHoareTripleChecker+Invalid, 1040 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1037 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.4s IncrementalHoareTripleChecker+Time [2021-11-25 17:56:13,271 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3090 Valid, 6020 Invalid, 1040 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1037 Invalid, 3 Unknown, 0 Unchecked, 8.4s Time] [2021-11-25 17:56:13,278 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3775 states. [2021-11-25 17:56:13,621 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3775 to 3773. [2021-11-25 17:56:13,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3773 states, 2333 states have (on average 1.294899271324475) internal successors, (3021), 2395 states have internal predecessors, (3021), 1099 states have call successors, (1099), 332 states have call predecessors, (1099), 327 states have return successors, (1131), 1077 states have call predecessors, (1131), 1097 states have call successors, (1131) [2021-11-25 17:56:13,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3773 states to 3773 states and 5251 transitions. [2021-11-25 17:56:13,644 INFO L78 Accepts]: Start accepts. Automaton has 3773 states and 5251 transitions. Word has length 94 [2021-11-25 17:56:13,645 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 17:56:13,645 INFO L470 AbstractCegarLoop]: Abstraction has 3773 states and 5251 transitions. [2021-11-25 17:56:13,645 INFO L471 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) [2021-11-25 17:56:13,645 INFO L276 IsEmpty]: Start isEmpty. Operand 3773 states and 5251 transitions. [2021-11-25 17:56:13,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2021-11-25 17:56:13,648 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 17:56:13,648 INFO L514 BasicCegarLoop]: 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] [2021-11-25 17:56:13,648 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-11-25 17:56:13,649 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ldv_linux_kernel_rcu_update_lock_sched_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 23 more)] === [2021-11-25 17:56:13,649 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 17:56:13,649 INFO L85 PathProgramCache]: Analyzing trace with hash 598357938, now seen corresponding path program 1 times [2021-11-25 17:56:13,649 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 17:56:13,649 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [235225277] [2021-11-25 17:56:13,650 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 17:56:13,650 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 17:56:13,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 17:56:13,866 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2021-11-25 17:56:13,866 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 17:56:13,867 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [235225277] [2021-11-25 17:56:13,867 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [235225277] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 17:56:13,867 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 17:56:13,867 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-25 17:56:13,867 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2046818584] [2021-11-25 17:56:13,868 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 17:56:13,868 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-25 17:56:13,868 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 17:56:13,869 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-25 17:56:13,869 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-25 17:56:13,869 INFO L87 Difference]: Start difference. First operand 3773 states and 5251 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) [2021-11-25 17:56:16,389 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-25 17:56:18,683 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 17:56:21,465 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2021-11-25 17:56:22,594 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 17:56:22,594 INFO L93 Difference]: Finished difference Result 3775 states and 5253 transitions. [2021-11-25 17:56:22,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-25 17:56:22,594 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 [2021-11-25 17:56:22,595 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 17:56:22,607 INFO L225 Difference]: With dead ends: 3775 [2021-11-25 17:56:22,607 INFO L226 Difference]: Without dead ends: 3773 [2021-11-25 17:56:22,610 INFO L932 BasicCegarLoop]: 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 [2021-11-25 17:56:22,610 INFO L933 BasicCegarLoop]: 2801 mSDtfsCounter, 3066 mSDsluCounter, 3767 mSDsCounter, 0 mSdLazyCounter, 1037 mSolverCounterSat, 0 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3087 SdHoareTripleChecker+Valid, 6016 SdHoareTripleChecker+Invalid, 1040 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1037 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.4s IncrementalHoareTripleChecker+Time [2021-11-25 17:56:22,611 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3087 Valid, 6016 Invalid, 1040 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1037 Invalid, 3 Unknown, 0 Unchecked, 8.4s Time] [2021-11-25 17:56:22,617 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3773 states. [2021-11-25 17:56:22,993 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3773 to 3771. [2021-11-25 17:56:22,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3771 states, 2332 states have (on average 1.2945969125214407) internal successors, (3019), 2393 states have internal predecessors, (3019), 1099 states have call successors, (1099), 332 states have call predecessors, (1099), 327 states have return successors, (1131), 1077 states have call predecessors, (1131), 1097 states have call successors, (1131) [2021-11-25 17:56:23,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3771 states to 3771 states and 5249 transitions. [2021-11-25 17:56:23,016 INFO L78 Accepts]: Start accepts. Automaton has 3771 states and 5249 transitions. Word has length 99 [2021-11-25 17:56:23,017 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 17:56:23,017 INFO L470 AbstractCegarLoop]: Abstraction has 3771 states and 5249 transitions. [2021-11-25 17:56:23,017 INFO L471 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) [2021-11-25 17:56:23,017 INFO L276 IsEmpty]: Start isEmpty. Operand 3771 states and 5249 transitions. [2021-11-25 17:56:23,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2021-11-25 17:56:23,020 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 17:56:23,020 INFO L514 BasicCegarLoop]: 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] [2021-11-25 17:56:23,020 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-11-25 17:56:23,021 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 23 more)] === [2021-11-25 17:56:23,021 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 17:56:23,021 INFO L85 PathProgramCache]: Analyzing trace with hash -1087734398, now seen corresponding path program 1 times [2021-11-25 17:56:23,022 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 17:56:23,022 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1992216317] [2021-11-25 17:56:23,022 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 17:56:23,022 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 17:56:23,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 17:56:23,225 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2021-11-25 17:56:23,225 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 17:56:23,226 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1992216317] [2021-11-25 17:56:23,226 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1992216317] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 17:56:23,226 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 17:56:23,226 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-25 17:56:23,226 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [989839334] [2021-11-25 17:56:23,227 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 17:56:23,227 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-25 17:56:23,228 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 17:56:23,228 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-25 17:56:23,228 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-25 17:56:23,229 INFO L87 Difference]: Start difference. First operand 3771 states and 5249 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) [2021-11-25 17:56:25,752 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-25 17:56:28,108 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 17:56:30,867 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2021-11-25 17:56:32,029 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 17:56:32,029 INFO L93 Difference]: Finished difference Result 3773 states and 5251 transitions. [2021-11-25 17:56:32,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-25 17:56:32,030 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 [2021-11-25 17:56:32,030 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 17:56:32,045 INFO L225 Difference]: With dead ends: 3773 [2021-11-25 17:56:32,045 INFO L226 Difference]: Without dead ends: 3771 [2021-11-25 17:56:32,048 INFO L932 BasicCegarLoop]: 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 [2021-11-25 17:56:32,049 INFO L933 BasicCegarLoop]: 2799 mSDtfsCounter, 3063 mSDsluCounter, 3765 mSDsCounter, 0 mSdLazyCounter, 1037 mSolverCounterSat, 0 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3084 SdHoareTripleChecker+Valid, 6012 SdHoareTripleChecker+Invalid, 1040 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1037 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.5s IncrementalHoareTripleChecker+Time [2021-11-25 17:56:32,049 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3084 Valid, 6012 Invalid, 1040 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1037 Invalid, 3 Unknown, 0 Unchecked, 8.5s Time] [2021-11-25 17:56:32,054 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3771 states. [2021-11-25 17:56:32,349 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3771 to 3769. [2021-11-25 17:56:32,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3769 states, 2331 states have (on average 1.2942942942942943) internal successors, (3017), 2391 states have internal predecessors, (3017), 1099 states have call successors, (1099), 332 states have call predecessors, (1099), 327 states have return successors, (1131), 1077 states have call predecessors, (1131), 1097 states have call successors, (1131) [2021-11-25 17:56:32,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3769 states to 3769 states and 5247 transitions. [2021-11-25 17:56:32,373 INFO L78 Accepts]: Start accepts. Automaton has 3769 states and 5247 transitions. Word has length 104 [2021-11-25 17:56:32,375 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 17:56:32,375 INFO L470 AbstractCegarLoop]: Abstraction has 3769 states and 5247 transitions. [2021-11-25 17:56:32,375 INFO L471 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) [2021-11-25 17:56:32,375 INFO L276 IsEmpty]: Start isEmpty. Operand 3769 states and 5247 transitions. [2021-11-25 17:56:32,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2021-11-25 17:56:32,379 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 17:56:32,379 INFO L514 BasicCegarLoop]: 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] [2021-11-25 17:56:32,379 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2021-11-25 17:56:32,380 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting ldv_linux_kernel_rcu_srcu_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 23 more)] === [2021-11-25 17:56:32,380 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 17:56:32,380 INFO L85 PathProgramCache]: Analyzing trace with hash -1854608664, now seen corresponding path program 1 times [2021-11-25 17:56:32,380 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 17:56:32,381 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1818732142] [2021-11-25 17:56:32,381 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 17:56:32,381 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 17:56:32,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 17:56:32,550 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2021-11-25 17:56:32,551 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 17:56:32,551 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1818732142] [2021-11-25 17:56:32,551 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1818732142] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 17:56:32,551 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 17:56:32,552 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-25 17:56:32,552 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1527173934] [2021-11-25 17:56:32,552 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 17:56:32,553 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-25 17:56:32,554 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 17:56:32,554 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-25 17:56:32,554 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-25 17:56:32,555 INFO L87 Difference]: Start difference. First operand 3769 states and 5247 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) [2021-11-25 17:56:35,157 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-25 17:56:37,545 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 17:56:40,349 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2021-11-25 17:56:41,436 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 17:56:41,436 INFO L93 Difference]: Finished difference Result 3771 states and 5249 transitions. [2021-11-25 17:56:41,437 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-25 17:56:41,437 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 [2021-11-25 17:56:41,437 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 17:56:41,448 INFO L225 Difference]: With dead ends: 3771 [2021-11-25 17:56:41,448 INFO L226 Difference]: Without dead ends: 3769 [2021-11-25 17:56:41,451 INFO L932 BasicCegarLoop]: 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 [2021-11-25 17:56:41,451 INFO L933 BasicCegarLoop]: 2789 mSDtfsCounter, 3060 mSDsluCounter, 3752 mSDsCounter, 0 mSdLazyCounter, 1031 mSolverCounterSat, 0 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3081 SdHoareTripleChecker+Valid, 5992 SdHoareTripleChecker+Invalid, 1034 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1031 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.6s IncrementalHoareTripleChecker+Time [2021-11-25 17:56:41,452 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3081 Valid, 5992 Invalid, 1034 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1031 Invalid, 3 Unknown, 0 Unchecked, 8.6s Time] [2021-11-25 17:56:41,458 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3769 states. [2021-11-25 17:56:41,741 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3769 to 3767. [2021-11-25 17:56:41,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3767 states, 2330 states have (on average 1.293991416309013) internal successors, (3015), 2389 states have internal predecessors, (3015), 1099 states have call successors, (1099), 332 states have call predecessors, (1099), 327 states have return successors, (1131), 1077 states have call predecessors, (1131), 1097 states have call successors, (1131) [2021-11-25 17:56:41,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3767 states to 3767 states and 5245 transitions. [2021-11-25 17:56:41,767 INFO L78 Accepts]: Start accepts. Automaton has 3767 states and 5245 transitions. Word has length 109 [2021-11-25 17:56:41,767 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 17:56:41,768 INFO L470 AbstractCegarLoop]: Abstraction has 3767 states and 5245 transitions. [2021-11-25 17:56:41,768 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.75) internal successors, (59), 4 states have internal predecessors, (59), 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) [2021-11-25 17:56:41,768 INFO L276 IsEmpty]: Start isEmpty. Operand 3767 states and 5245 transitions. [2021-11-25 17:56:41,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2021-11-25 17:56:41,771 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 17:56:41,772 INFO L514 BasicCegarLoop]: 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] [2021-11-25 17:56:41,772 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2021-11-25 17:56:41,772 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting ldv_linux_lib_idr_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 23 more)] === [2021-11-25 17:56:41,773 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 17:56:41,773 INFO L85 PathProgramCache]: Analyzing trace with hash -1444270552, now seen corresponding path program 1 times [2021-11-25 17:56:41,773 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 17:56:41,773 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [148342466] [2021-11-25 17:56:41,774 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 17:56:41,774 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 17:56:41,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 17:56:41,984 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2021-11-25 17:56:41,985 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 17:56:41,985 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [148342466] [2021-11-25 17:56:41,985 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [148342466] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 17:56:41,985 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 17:56:41,985 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-25 17:56:41,985 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1078852623] [2021-11-25 17:56:41,986 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 17:56:41,986 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-25 17:56:41,986 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 17:56:41,987 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-25 17:56:41,987 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-25 17:56:41,987 INFO L87 Difference]: Start difference. First operand 3767 states and 5245 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) [2021-11-25 17:56:44,539 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-25 17:56:46,836 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 17:56:48,657 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 17:56:48,657 INFO L93 Difference]: Finished difference Result 3769 states and 5247 transitions. [2021-11-25 17:56:48,657 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-25 17:56:48,658 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 [2021-11-25 17:56:48,658 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 17:56:48,668 INFO L225 Difference]: With dead ends: 3769 [2021-11-25 17:56:48,668 INFO L226 Difference]: Without dead ends: 3767 [2021-11-25 17:56:48,670 INFO L932 BasicCegarLoop]: 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 [2021-11-25 17:56:48,671 INFO L933 BasicCegarLoop]: 2790 mSDtfsCounter, 3078 mSDsluCounter, 3717 mSDsCounter, 0 mSdLazyCounter, 1034 mSolverCounterSat, 0 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3087 SdHoareTripleChecker+Valid, 5959 SdHoareTripleChecker+Invalid, 1036 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1034 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.3s IncrementalHoareTripleChecker+Time [2021-11-25 17:56:48,671 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3087 Valid, 5959 Invalid, 1036 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1034 Invalid, 2 Unknown, 0 Unchecked, 6.3s Time] [2021-11-25 17:56:48,677 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3767 states. [2021-11-25 17:56:48,958 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3767 to 3765. [2021-11-25 17:56:48,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3765 states, 2329 states have (on average 1.2936882782310004) internal successors, (3013), 2387 states have internal predecessors, (3013), 1099 states have call successors, (1099), 332 states have call predecessors, (1099), 327 states have return successors, (1131), 1077 states have call predecessors, (1131), 1097 states have call successors, (1131) [2021-11-25 17:56:48,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3765 states to 3765 states and 5243 transitions. [2021-11-25 17:56:48,982 INFO L78 Accepts]: Start accepts. Automaton has 3765 states and 5243 transitions. Word has length 114 [2021-11-25 17:56:48,982 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 17:56:48,983 INFO L470 AbstractCegarLoop]: Abstraction has 3765 states and 5243 transitions. [2021-11-25 17:56:48,983 INFO L471 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) [2021-11-25 17:56:48,983 INFO L276 IsEmpty]: Start isEmpty. Operand 3765 states and 5243 transitions. [2021-11-25 17:56:48,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2021-11-25 17:56:48,986 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 17:56:48,986 INFO L514 BasicCegarLoop]: 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] [2021-11-25 17:56:48,986 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2021-11-25 17:56:48,987 INFO L402 AbstractCegarLoop]: === Iteration 20 === Targeting ldv_linux_mmc_sdio_func_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 23 more)] === [2021-11-25 17:56:48,987 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 17:56:48,987 INFO L85 PathProgramCache]: Analyzing trace with hash 245378688, now seen corresponding path program 1 times [2021-11-25 17:56:48,987 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 17:56:48,988 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [213882076] [2021-11-25 17:56:48,988 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 17:56:48,988 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 17:56:49,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 17:56:49,157 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2021-11-25 17:56:49,157 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 17:56:49,158 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [213882076] [2021-11-25 17:56:49,158 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [213882076] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 17:56:49,158 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 17:56:49,158 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-25 17:56:49,159 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [652434943] [2021-11-25 17:56:49,159 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 17:56:49,160 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-25 17:56:49,160 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 17:56:49,161 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-25 17:56:49,161 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-25 17:56:49,161 INFO L87 Difference]: Start difference. First operand 3765 states and 5243 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) [2021-11-25 17:56:51,704 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-25 17:56:54,108 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 17:56:56,971 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2021-11-25 17:56:58,049 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 17:56:58,049 INFO L93 Difference]: Finished difference Result 3767 states and 5245 transitions. [2021-11-25 17:56:58,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-25 17:56:58,049 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 [2021-11-25 17:56:58,050 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 17:56:58,059 INFO L225 Difference]: With dead ends: 3767 [2021-11-25 17:56:58,059 INFO L226 Difference]: Without dead ends: 3765 [2021-11-25 17:56:58,061 INFO L932 BasicCegarLoop]: 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 [2021-11-25 17:56:58,061 INFO L933 BasicCegarLoop]: 2785 mSDtfsCounter, 3054 mSDsluCounter, 3748 mSDsCounter, 0 mSdLazyCounter, 1031 mSolverCounterSat, 0 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3075 SdHoareTripleChecker+Valid, 5984 SdHoareTripleChecker+Invalid, 1034 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1031 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.5s IncrementalHoareTripleChecker+Time [2021-11-25 17:56:58,062 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3075 Valid, 5984 Invalid, 1034 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1031 Invalid, 3 Unknown, 0 Unchecked, 8.5s Time] [2021-11-25 17:56:58,068 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3765 states. [2021-11-25 17:56:58,328 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3765 to 3763. [2021-11-25 17:56:58,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3763 states, 2328 states have (on average 1.293384879725086) internal successors, (3011), 2385 states have internal predecessors, (3011), 1099 states have call successors, (1099), 332 states have call predecessors, (1099), 327 states have return successors, (1131), 1077 states have call predecessors, (1131), 1097 states have call successors, (1131) [2021-11-25 17:56:58,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3763 states to 3763 states and 5241 transitions. [2021-11-25 17:56:58,354 INFO L78 Accepts]: Start accepts. Automaton has 3763 states and 5241 transitions. Word has length 119 [2021-11-25 17:56:58,355 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 17:56:58,355 INFO L470 AbstractCegarLoop]: Abstraction has 3763 states and 5241 transitions. [2021-11-25 17:56:58,355 INFO L471 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) [2021-11-25 17:56:58,355 INFO L276 IsEmpty]: Start isEmpty. Operand 3763 states and 5241 transitions. [2021-11-25 17:56:58,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2021-11-25 17:56:58,359 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 17:56:58,359 INFO L514 BasicCegarLoop]: 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] [2021-11-25 17:56:58,359 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2021-11-25 17:56:58,360 INFO L402 AbstractCegarLoop]: === Iteration 21 === Targeting ldv_linux_net_rtnetlink_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 23 more)] === [2021-11-25 17:56:58,360 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 17:56:58,360 INFO L85 PathProgramCache]: Analyzing trace with hash -1498424388, now seen corresponding path program 1 times [2021-11-25 17:56:58,360 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 17:56:58,361 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1585697808] [2021-11-25 17:56:58,361 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 17:56:58,361 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 17:56:58,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 17:56:58,538 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2021-11-25 17:56:58,538 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 17:56:58,539 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1585697808] [2021-11-25 17:56:58,539 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1585697808] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 17:56:58,539 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 17:56:58,539 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-25 17:56:58,540 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1866315581] [2021-11-25 17:56:58,540 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 17:56:58,541 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-25 17:56:58,541 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 17:56:58,542 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-25 17:56:58,542 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-25 17:56:58,542 INFO L87 Difference]: Start difference. First operand 3763 states and 5241 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) [2021-11-25 17:57:01,090 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-25 17:57:03,424 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 17:57:06,190 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2021-11-25 17:57:07,422 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 17:57:07,422 INFO L93 Difference]: Finished difference Result 3765 states and 5243 transitions. [2021-11-25 17:57:07,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-25 17:57:07,423 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 [2021-11-25 17:57:07,424 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 17:57:07,435 INFO L225 Difference]: With dead ends: 3765 [2021-11-25 17:57:07,435 INFO L226 Difference]: Without dead ends: 3763 [2021-11-25 17:57:07,436 INFO L932 BasicCegarLoop]: 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 [2021-11-25 17:57:07,437 INFO L933 BasicCegarLoop]: 2791 mSDtfsCounter, 3051 mSDsluCounter, 3757 mSDsCounter, 0 mSdLazyCounter, 1037 mSolverCounterSat, 0 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3072 SdHoareTripleChecker+Valid, 5996 SdHoareTripleChecker+Invalid, 1040 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1037 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.5s IncrementalHoareTripleChecker+Time [2021-11-25 17:57:07,437 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3072 Valid, 5996 Invalid, 1040 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1037 Invalid, 3 Unknown, 0 Unchecked, 8.5s Time] [2021-11-25 17:57:07,443 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3763 states. [2021-11-25 17:57:07,695 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3763 to 3761. [2021-11-25 17:57:07,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3761 states, 2327 states have (on average 1.2930812204555222) internal successors, (3009), 2383 states have internal predecessors, (3009), 1099 states have call successors, (1099), 332 states have call predecessors, (1099), 327 states have return successors, (1131), 1077 states have call predecessors, (1131), 1097 states have call successors, (1131) [2021-11-25 17:57:07,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3761 states to 3761 states and 5239 transitions. [2021-11-25 17:57:07,723 INFO L78 Accepts]: Start accepts. Automaton has 3761 states and 5239 transitions. Word has length 124 [2021-11-25 17:57:07,724 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 17:57:07,724 INFO L470 AbstractCegarLoop]: Abstraction has 3761 states and 5239 transitions. [2021-11-25 17:57:07,724 INFO L471 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) [2021-11-25 17:57:07,724 INFO L276 IsEmpty]: Start isEmpty. Operand 3761 states and 5239 transitions. [2021-11-25 17:57:07,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2021-11-25 17:57:07,728 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 17:57:07,728 INFO L514 BasicCegarLoop]: 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] [2021-11-25 17:57:07,728 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2021-11-25 17:57:07,729 INFO L402 AbstractCegarLoop]: === Iteration 22 === Targeting ldv_linux_net_sock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 23 more)] === [2021-11-25 17:57:07,729 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 17:57:07,729 INFO L85 PathProgramCache]: Analyzing trace with hash -1238976243, now seen corresponding path program 1 times [2021-11-25 17:57:07,730 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 17:57:07,730 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1637691345] [2021-11-25 17:57:07,730 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 17:57:07,730 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 17:57:07,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 17:57:07,930 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2021-11-25 17:57:07,931 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 17:57:07,931 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1637691345] [2021-11-25 17:57:07,931 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1637691345] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 17:57:07,931 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 17:57:07,931 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-25 17:57:07,932 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [946778389] [2021-11-25 17:57:07,932 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 17:57:07,933 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-25 17:57:07,933 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 17:57:07,933 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-25 17:57:07,934 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-25 17:57:07,934 INFO L87 Difference]: Start difference. First operand 3761 states and 5239 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) [2021-11-25 17:57:10,487 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-25 17:57:12,802 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 17:57:15,643 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2021-11-25 17:57:16,797 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 17:57:16,798 INFO L93 Difference]: Finished difference Result 3763 states and 5241 transitions. [2021-11-25 17:57:16,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-25 17:57:16,799 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 [2021-11-25 17:57:16,799 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 17:57:16,808 INFO L225 Difference]: With dead ends: 3763 [2021-11-25 17:57:16,808 INFO L226 Difference]: Without dead ends: 3761 [2021-11-25 17:57:16,810 INFO L932 BasicCegarLoop]: 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 [2021-11-25 17:57:16,810 INFO L933 BasicCegarLoop]: 2781 mSDtfsCounter, 3048 mSDsluCounter, 3744 mSDsCounter, 0 mSdLazyCounter, 1031 mSolverCounterSat, 0 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3069 SdHoareTripleChecker+Valid, 5976 SdHoareTripleChecker+Invalid, 1034 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1031 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.5s IncrementalHoareTripleChecker+Time [2021-11-25 17:57:16,811 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3069 Valid, 5976 Invalid, 1034 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1031 Invalid, 3 Unknown, 0 Unchecked, 8.5s Time] [2021-11-25 17:57:16,816 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3761 states. [2021-11-25 17:57:17,065 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3761 to 3759. [2021-11-25 17:57:17,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3759 states, 2326 states have (on average 1.2927773000859846) internal successors, (3007), 2381 states have internal predecessors, (3007), 1099 states have call successors, (1099), 332 states have call predecessors, (1099), 327 states have return successors, (1131), 1077 states have call predecessors, (1131), 1097 states have call successors, (1131) [2021-11-25 17:57:17,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3759 states to 3759 states and 5237 transitions. [2021-11-25 17:57:17,083 INFO L78 Accepts]: Start accepts. Automaton has 3759 states and 5237 transitions. Word has length 129 [2021-11-25 17:57:17,083 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 17:57:17,083 INFO L470 AbstractCegarLoop]: Abstraction has 3759 states and 5237 transitions. [2021-11-25 17:57:17,083 INFO L471 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) [2021-11-25 17:57:17,083 INFO L276 IsEmpty]: Start isEmpty. Operand 3759 states and 5237 transitions. [2021-11-25 17:57:17,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2021-11-25 17:57:17,087 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 17:57:17,087 INFO L514 BasicCegarLoop]: 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] [2021-11-25 17:57:17,087 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2021-11-25 17:57:17,088 INFO L402 AbstractCegarLoop]: === Iteration 23 === Targeting ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 23 more)] === [2021-11-25 17:57:17,088 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 17:57:17,088 INFO L85 PathProgramCache]: Analyzing trace with hash 2130226483, now seen corresponding path program 1 times [2021-11-25 17:57:17,089 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 17:57:17,089 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1571058510] [2021-11-25 17:57:17,089 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 17:57:17,089 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 17:57:17,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 17:57:17,262 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2021-11-25 17:57:17,262 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 17:57:17,263 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1571058510] [2021-11-25 17:57:17,263 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1571058510] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 17:57:17,263 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 17:57:17,263 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-25 17:57:17,263 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1341027451] [2021-11-25 17:57:17,264 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 17:57:17,264 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-25 17:57:17,264 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 17:57:17,265 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-25 17:57:17,265 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-25 17:57:17,265 INFO L87 Difference]: Start difference. First operand 3759 states and 5237 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) [2021-11-25 17:57:19,733 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-25 17:57:22,063 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 17:57:24,894 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2021-11-25 17:57:26,058 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 17:57:26,058 INFO L93 Difference]: Finished difference Result 3761 states and 5239 transitions. [2021-11-25 17:57:26,059 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-25 17:57:26,059 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 [2021-11-25 17:57:26,060 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 17:57:26,074 INFO L225 Difference]: With dead ends: 3761 [2021-11-25 17:57:26,074 INFO L226 Difference]: Without dead ends: 3759 [2021-11-25 17:57:26,076 INFO L932 BasicCegarLoop]: 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 [2021-11-25 17:57:26,077 INFO L933 BasicCegarLoop]: 2779 mSDtfsCounter, 3045 mSDsluCounter, 3742 mSDsCounter, 0 mSdLazyCounter, 1031 mSolverCounterSat, 0 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3066 SdHoareTripleChecker+Valid, 5972 SdHoareTripleChecker+Invalid, 1034 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1031 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.4s IncrementalHoareTripleChecker+Time [2021-11-25 17:57:26,077 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3066 Valid, 5972 Invalid, 1034 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1031 Invalid, 3 Unknown, 0 Unchecked, 8.4s Time] [2021-11-25 17:57:26,083 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3759 states. [2021-11-25 17:57:26,437 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3759 to 3757. [2021-11-25 17:57:26,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3757 states, 2325 states have (on average 1.29247311827957) internal successors, (3005), 2379 states have internal predecessors, (3005), 1099 states have call successors, (1099), 332 states have call predecessors, (1099), 327 states have return successors, (1131), 1077 states have call predecessors, (1131), 1097 states have call successors, (1131) [2021-11-25 17:57:26,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3757 states to 3757 states and 5235 transitions. [2021-11-25 17:57:26,461 INFO L78 Accepts]: Start accepts. Automaton has 3757 states and 5235 transitions. Word has length 134 [2021-11-25 17:57:26,461 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 17:57:26,462 INFO L470 AbstractCegarLoop]: Abstraction has 3757 states and 5235 transitions. [2021-11-25 17:57:26,462 INFO L471 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) [2021-11-25 17:57:26,462 INFO L276 IsEmpty]: Start isEmpty. Operand 3757 states and 5235 transitions. [2021-11-25 17:57:26,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2021-11-25 17:57:26,468 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 17:57:26,469 INFO L514 BasicCegarLoop]: 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] [2021-11-25 17:57:26,469 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2021-11-25 17:57:26,469 INFO L402 AbstractCegarLoop]: === Iteration 24 === Targeting ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 23 more)] === [2021-11-25 17:57:26,470 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 17:57:26,470 INFO L85 PathProgramCache]: Analyzing trace with hash 662330685, now seen corresponding path program 1 times [2021-11-25 17:57:26,470 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 17:57:26,470 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [163793575] [2021-11-25 17:57:26,470 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 17:57:26,471 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 17:57:26,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 17:57:26,664 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2021-11-25 17:57:26,664 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 17:57:26,665 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [163793575] [2021-11-25 17:57:26,665 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [163793575] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 17:57:26,665 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 17:57:26,665 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-25 17:57:26,666 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [402423070] [2021-11-25 17:57:26,666 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 17:57:26,666 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-25 17:57:26,667 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 17:57:26,667 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-25 17:57:26,667 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-25 17:57:26,668 INFO L87 Difference]: Start difference. First operand 3757 states and 5235 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) [2021-11-25 17:57:29,098 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-25 17:57:31,447 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 17:57:34,359 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2021-11-25 17:57:35,515 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 17:57:35,515 INFO L93 Difference]: Finished difference Result 3759 states and 5237 transitions. [2021-11-25 17:57:35,515 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-25 17:57:35,515 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 [2021-11-25 17:57:35,516 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 17:57:35,528 INFO L225 Difference]: With dead ends: 3759 [2021-11-25 17:57:35,528 INFO L226 Difference]: Without dead ends: 3757 [2021-11-25 17:57:35,530 INFO L932 BasicCegarLoop]: 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 [2021-11-25 17:57:35,530 INFO L933 BasicCegarLoop]: 2777 mSDtfsCounter, 3042 mSDsluCounter, 3740 mSDsCounter, 0 mSdLazyCounter, 1031 mSolverCounterSat, 0 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3063 SdHoareTripleChecker+Valid, 5968 SdHoareTripleChecker+Invalid, 1034 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1031 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.5s IncrementalHoareTripleChecker+Time [2021-11-25 17:57:35,531 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3063 Valid, 5968 Invalid, 1034 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1031 Invalid, 3 Unknown, 0 Unchecked, 8.5s Time] [2021-11-25 17:57:35,535 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3757 states. [2021-11-25 17:57:35,879 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3757 to 3755. [2021-11-25 17:57:35,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3755 states, 2324 states have (on average 1.2921686746987953) internal successors, (3003), 2377 states have internal predecessors, (3003), 1099 states have call successors, (1099), 332 states have call predecessors, (1099), 327 states have return successors, (1131), 1077 states have call predecessors, (1131), 1097 states have call successors, (1131) [2021-11-25 17:57:35,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3755 states to 3755 states and 5233 transitions. [2021-11-25 17:57:35,902 INFO L78 Accepts]: Start accepts. Automaton has 3755 states and 5233 transitions. Word has length 139 [2021-11-25 17:57:35,903 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 17:57:35,903 INFO L470 AbstractCegarLoop]: Abstraction has 3755 states and 5233 transitions. [2021-11-25 17:57:35,903 INFO L471 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) [2021-11-25 17:57:35,903 INFO L276 IsEmpty]: Start isEmpty. Operand 3755 states and 5233 transitions. [2021-11-25 17:57:35,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2021-11-25 17:57:35,908 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 17:57:35,908 INFO L514 BasicCegarLoop]: 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] [2021-11-25 17:57:35,908 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2021-11-25 17:57:35,909 INFO L402 AbstractCegarLoop]: === Iteration 25 === Targeting ldv_linux_usb_urb_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 23 more)] === [2021-11-25 17:57:35,909 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 17:57:35,909 INFO L85 PathProgramCache]: Analyzing trace with hash 119919351, now seen corresponding path program 1 times [2021-11-25 17:57:35,909 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 17:57:35,910 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [16610598] [2021-11-25 17:57:35,910 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 17:57:35,910 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 17:57:35,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 17:57:36,093 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2021-11-25 17:57:36,094 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 17:57:36,094 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [16610598] [2021-11-25 17:57:36,094 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [16610598] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 17:57:36,094 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 17:57:36,095 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-25 17:57:36,095 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1833359265] [2021-11-25 17:57:36,095 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 17:57:36,096 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-25 17:57:36,096 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 17:57:36,096 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-25 17:57:36,096 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-25 17:57:36,097 INFO L87 Difference]: Start difference. First operand 3755 states and 5233 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) [2021-11-25 17:57:38,631 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-25 17:57:40,962 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 17:57:43,788 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2021-11-25 17:57:45,008 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 17:57:45,008 INFO L93 Difference]: Finished difference Result 3757 states and 5235 transitions. [2021-11-25 17:57:45,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-25 17:57:45,009 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 [2021-11-25 17:57:45,009 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 17:57:45,020 INFO L225 Difference]: With dead ends: 3757 [2021-11-25 17:57:45,021 INFO L226 Difference]: Without dead ends: 3627 [2021-11-25 17:57:45,025 INFO L932 BasicCegarLoop]: 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 [2021-11-25 17:57:45,025 INFO L933 BasicCegarLoop]: 2779 mSDtfsCounter, 3060 mSDsluCounter, 3707 mSDsCounter, 0 mSdLazyCounter, 1033 mSolverCounterSat, 0 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3067 SdHoareTripleChecker+Valid, 5937 SdHoareTripleChecker+Invalid, 1036 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1033 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.5s IncrementalHoareTripleChecker+Time [2021-11-25 17:57:45,026 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3067 Valid, 5937 Invalid, 1036 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1033 Invalid, 3 Unknown, 0 Unchecked, 8.5s Time] [2021-11-25 17:57:45,029 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3627 states. [2021-11-25 17:57:45,289 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3627 to 3625. [2021-11-25 17:57:45,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3625 states, 2257 states have (on average 1.2995126273814799) internal successors, (2933), 2308 states have internal predecessors, (2933), 1056 states have call successors, (1056), 312 states have call predecessors, (1056), 308 states have return successors, (1090), 1036 states have call predecessors, (1090), 1056 states have call successors, (1090) [2021-11-25 17:57:45,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3625 states to 3625 states and 5079 transitions. [2021-11-25 17:57:45,304 INFO L78 Accepts]: Start accepts. Automaton has 3625 states and 5079 transitions. Word has length 144 [2021-11-25 17:57:45,304 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 17:57:45,304 INFO L470 AbstractCegarLoop]: Abstraction has 3625 states and 5079 transitions. [2021-11-25 17:57:45,304 INFO L471 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) [2021-11-25 17:57:45,305 INFO L276 IsEmpty]: Start isEmpty. Operand 3625 states and 5079 transitions. [2021-11-25 17:57:45,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 228 [2021-11-25 17:57:45,308 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 17:57:45,309 INFO L514 BasicCegarLoop]: 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] [2021-11-25 17:57:45,309 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2021-11-25 17:57:45,309 INFO L402 AbstractCegarLoop]: === Iteration 26 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 23 more)] === [2021-11-25 17:57:45,309 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 17:57:45,310 INFO L85 PathProgramCache]: Analyzing trace with hash -347627069, now seen corresponding path program 1 times [2021-11-25 17:57:45,310 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 17:57:45,310 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2012121119] [2021-11-25 17:57:45,310 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 17:57:45,310 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 17:57:45,411 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-25 17:57:45,411 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [675462646] [2021-11-25 17:57:45,411 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 17:57:45,412 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 17:57:45,412 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f86b19da-d68b-412d-a9d4-f9725c01fda9/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 17:57:45,415 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f86b19da-d68b-412d-a9d4-f9725c01fda9/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-25 17:57:45,420 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f86b19da-d68b-412d-a9d4-f9725c01fda9/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-25 17:57:46,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 17:57:46,714 INFO L263 TraceCheckSpWp]: Trace formula consists of 3068 conjuncts, 60 conjunts are in the unsatisfiable core [2021-11-25 17:57:46,735 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 17:57:47,684 INFO L134 CoverageAnalysis]: Checked inductivity of 716 backedges. 198 proven. 2 refuted. 0 times theorem prover too weak. 516 trivial. 0 not checked. [2021-11-25 17:57:47,684 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-25 17:57:48,826 INFO L134 CoverageAnalysis]: Checked inductivity of 716 backedges. 6 proven. 58 refuted. 0 times theorem prover too weak. 652 trivial. 0 not checked. [2021-11-25 17:57:48,827 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 17:57:48,827 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2012121119] [2021-11-25 17:57:48,827 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-25 17:57:48,827 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [675462646] [2021-11-25 17:57:48,828 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [675462646] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-25 17:57:48,828 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [150697651] [2021-11-25 17:57:48,868 INFO L159 IcfgInterpreter]: Started Sifa with 103 locations of interest [2021-11-25 17:57:48,868 INFO L166 IcfgInterpreter]: Building call graph [2021-11-25 17:57:48,875 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-25 17:57:48,881 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-25 17:57:48,882 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs