./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 5e519f3a Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e780e99-d0fa-40c0-8e46-f25c1e8485dc/bin/utaipan-7li7fVZpFI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e780e99-d0fa-40c0-8e46-f25c1e8485dc/bin/utaipan-7li7fVZpFI/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e780e99-d0fa-40c0-8e46-f25c1e8485dc/bin/utaipan-7li7fVZpFI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e780e99-d0fa-40c0-8e46-f25c1e8485dc/bin/utaipan-7li7fVZpFI/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_8e780e99-d0fa-40c0-8e46-f25c1e8485dc/bin/utaipan-7li7fVZpFI/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e780e99-d0fa-40c0-8e46-f25c1e8485dc/bin/utaipan-7li7fVZpFI --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 78dc70726790e77f363f3f534b507edaca1714cde97bc3b7cdeb338176ca8d88 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-5e519f3 [2022-11-03 04:03:27,357 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-03 04:03:27,360 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-03 04:03:27,411 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-03 04:03:27,412 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-03 04:03:27,414 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-03 04:03:27,415 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-03 04:03:27,417 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-03 04:03:27,419 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-03 04:03:27,420 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-03 04:03:27,421 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-03 04:03:27,422 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-03 04:03:27,423 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-03 04:03:27,424 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-03 04:03:27,425 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-03 04:03:27,431 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-03 04:03:27,432 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-03 04:03:27,435 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-03 04:03:27,437 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-03 04:03:27,439 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-03 04:03:27,440 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-03 04:03:27,442 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-03 04:03:27,443 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-03 04:03:27,444 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-03 04:03:27,448 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-03 04:03:27,448 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-03 04:03:27,449 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-03 04:03:27,450 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-03 04:03:27,450 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-03 04:03:27,451 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-03 04:03:27,451 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-03 04:03:27,452 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-03 04:03:27,453 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-03 04:03:27,454 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-03 04:03:27,455 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-03 04:03:27,456 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-03 04:03:27,457 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-03 04:03:27,457 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-03 04:03:27,457 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-03 04:03:27,458 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-03 04:03:27,459 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-03 04:03:27,460 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e780e99-d0fa-40c0-8e46-f25c1e8485dc/bin/utaipan-7li7fVZpFI/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-11-03 04:03:27,484 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-03 04:03:27,484 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-03 04:03:27,484 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-03 04:03:27,485 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-03 04:03:27,485 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-03 04:03:27,486 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-03 04:03:27,486 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-03 04:03:27,486 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-03 04:03:27,487 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-03 04:03:27,487 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-03 04:03:27,487 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-03 04:03:27,488 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-03 04:03:27,488 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-03 04:03:27,488 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-03 04:03:27,488 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-03 04:03:27,489 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-03 04:03:27,489 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-03 04:03:27,489 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-03 04:03:27,490 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-03 04:03:27,490 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-03 04:03:27,491 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-03 04:03:27,491 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-03 04:03:27,491 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-03 04:03:27,492 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-03 04:03:27,492 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-03 04:03:27,492 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-03 04:03:27,492 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-03 04:03:27,493 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-03 04:03:27,493 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-03 04:03:27,493 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-03 04:03:27,493 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-03 04:03:27,494 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-03 04:03:27,494 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-03 04:03:27,494 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-03 04:03:27,494 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-03 04:03:27,495 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-03 04:03:27,495 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-03 04:03:27,495 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-03 04:03:27,495 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e780e99-d0fa-40c0-8e46-f25c1e8485dc/bin/utaipan-7li7fVZpFI/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e780e99-d0fa-40c0-8e46-f25c1e8485dc/bin/utaipan-7li7fVZpFI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 78dc70726790e77f363f3f534b507edaca1714cde97bc3b7cdeb338176ca8d88 [2022-11-03 04:03:27,764 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-03 04:03:27,786 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-03 04:03:27,788 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-03 04:03:27,790 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-03 04:03:27,790 INFO L275 PluginConnector]: CDTParser initialized [2022-11-03 04:03:27,792 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e780e99-d0fa-40c0-8e46-f25c1e8485dc/bin/utaipan-7li7fVZpFI/../../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i [2022-11-03 04:03:27,870 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e780e99-d0fa-40c0-8e46-f25c1e8485dc/bin/utaipan-7li7fVZpFI/data/f82f56330/81d408c72bd24f0990178e4751846eec/FLAGea7b86e13 [2022-11-03 04:03:28,878 INFO L306 CDTParser]: Found 1 translation units. [2022-11-03 04:03:28,879 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e780e99-d0fa-40c0-8e46-f25c1e8485dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i [2022-11-03 04:03:28,948 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e780e99-d0fa-40c0-8e46-f25c1e8485dc/bin/utaipan-7li7fVZpFI/data/f82f56330/81d408c72bd24f0990178e4751846eec/FLAGea7b86e13 [2022-11-03 04:03:29,259 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e780e99-d0fa-40c0-8e46-f25c1e8485dc/bin/utaipan-7li7fVZpFI/data/f82f56330/81d408c72bd24f0990178e4751846eec [2022-11-03 04:03:29,262 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-03 04:03:29,265 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-03 04:03:29,267 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-03 04:03:29,267 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-03 04:03:29,271 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-03 04:03:29,272 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 04:03:29" (1/1) ... [2022-11-03 04:03:29,273 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@359c1893 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:03:29, skipping insertion in model container [2022-11-03 04:03:29,273 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 04:03:29" (1/1) ... [2022-11-03 04:03:29,280 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-03 04:03:29,461 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-03 04:03:34,519 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_8e780e99-d0fa-40c0-8e46-f25c1e8485dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[439117,439130] [2022-11-03 04:03:34,522 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_8e780e99-d0fa-40c0-8e46-f25c1e8485dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[439262,439275] [2022-11-03 04:03:34,523 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_8e780e99-d0fa-40c0-8e46-f25c1e8485dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[439408,439421] [2022-11-03 04:03:34,523 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_8e780e99-d0fa-40c0-8e46-f25c1e8485dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[439573,439586] [2022-11-03 04:03:34,524 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_8e780e99-d0fa-40c0-8e46-f25c1e8485dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[439731,439744] [2022-11-03 04:03:34,524 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_8e780e99-d0fa-40c0-8e46-f25c1e8485dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[439889,439902] [2022-11-03 04:03:34,525 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_8e780e99-d0fa-40c0-8e46-f25c1e8485dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[440047,440060] [2022-11-03 04:03:34,525 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_8e780e99-d0fa-40c0-8e46-f25c1e8485dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[440207,440220] [2022-11-03 04:03:34,526 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_8e780e99-d0fa-40c0-8e46-f25c1e8485dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[440366,440379] [2022-11-03 04:03:34,526 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_8e780e99-d0fa-40c0-8e46-f25c1e8485dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[440505,440518] [2022-11-03 04:03:34,527 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_8e780e99-d0fa-40c0-8e46-f25c1e8485dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[440647,440660] [2022-11-03 04:03:34,527 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_8e780e99-d0fa-40c0-8e46-f25c1e8485dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[440796,440809] [2022-11-03 04:03:34,528 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_8e780e99-d0fa-40c0-8e46-f25c1e8485dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[440935,440948] [2022-11-03 04:03:34,528 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_8e780e99-d0fa-40c0-8e46-f25c1e8485dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[441090,441103] [2022-11-03 04:03:34,528 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_8e780e99-d0fa-40c0-8e46-f25c1e8485dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[441250,441263] [2022-11-03 04:03:34,529 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_8e780e99-d0fa-40c0-8e46-f25c1e8485dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[441401,441414] [2022-11-03 04:03:34,529 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_8e780e99-d0fa-40c0-8e46-f25c1e8485dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[441552,441565] [2022-11-03 04:03:34,530 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_8e780e99-d0fa-40c0-8e46-f25c1e8485dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[441704,441717] [2022-11-03 04:03:34,530 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_8e780e99-d0fa-40c0-8e46-f25c1e8485dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[441853,441866] [2022-11-03 04:03:34,531 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_8e780e99-d0fa-40c0-8e46-f25c1e8485dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[442001,442014] [2022-11-03 04:03:34,531 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_8e780e99-d0fa-40c0-8e46-f25c1e8485dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[442158,442171] [2022-11-03 04:03:34,532 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_8e780e99-d0fa-40c0-8e46-f25c1e8485dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[442307,442320] [2022-11-03 04:03:34,532 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_8e780e99-d0fa-40c0-8e46-f25c1e8485dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[442463,442476] [2022-11-03 04:03:34,533 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_8e780e99-d0fa-40c0-8e46-f25c1e8485dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[442616,442629] [2022-11-03 04:03:34,533 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_8e780e99-d0fa-40c0-8e46-f25c1e8485dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[442762,442775] [2022-11-03 04:03:34,534 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_8e780e99-d0fa-40c0-8e46-f25c1e8485dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[442905,442918] [2022-11-03 04:03:34,534 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_8e780e99-d0fa-40c0-8e46-f25c1e8485dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[443057,443070] [2022-11-03 04:03:34,535 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_8e780e99-d0fa-40c0-8e46-f25c1e8485dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[443203,443216] [2022-11-03 04:03:34,536 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_8e780e99-d0fa-40c0-8e46-f25c1e8485dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[443348,443361] [2022-11-03 04:03:34,537 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_8e780e99-d0fa-40c0-8e46-f25c1e8485dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[443502,443515] [2022-11-03 04:03:34,538 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_8e780e99-d0fa-40c0-8e46-f25c1e8485dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[443653,443666] [2022-11-03 04:03:34,539 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_8e780e99-d0fa-40c0-8e46-f25c1e8485dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[443808,443821] [2022-11-03 04:03:34,540 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_8e780e99-d0fa-40c0-8e46-f25c1e8485dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[443960,443973] [2022-11-03 04:03:34,540 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_8e780e99-d0fa-40c0-8e46-f25c1e8485dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[444115,444128] [2022-11-03 04:03:34,541 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_8e780e99-d0fa-40c0-8e46-f25c1e8485dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[444279,444292] [2022-11-03 04:03:34,541 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_8e780e99-d0fa-40c0-8e46-f25c1e8485dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[444435,444448] [2022-11-03 04:03:34,541 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_8e780e99-d0fa-40c0-8e46-f25c1e8485dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[444599,444612] [2022-11-03 04:03:34,542 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_8e780e99-d0fa-40c0-8e46-f25c1e8485dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[444741,444754] [2022-11-03 04:03:34,542 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_8e780e99-d0fa-40c0-8e46-f25c1e8485dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[444899,444912] [2022-11-03 04:03:34,543 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_8e780e99-d0fa-40c0-8e46-f25c1e8485dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[445066,445079] [2022-11-03 04:03:34,543 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_8e780e99-d0fa-40c0-8e46-f25c1e8485dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[445225,445238] [2022-11-03 04:03:34,547 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_8e780e99-d0fa-40c0-8e46-f25c1e8485dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[445384,445397] [2022-11-03 04:03:34,548 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_8e780e99-d0fa-40c0-8e46-f25c1e8485dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[445533,445546] [2022-11-03 04:03:34,549 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_8e780e99-d0fa-40c0-8e46-f25c1e8485dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[445680,445693] [2022-11-03 04:03:34,549 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_8e780e99-d0fa-40c0-8e46-f25c1e8485dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[445819,445832] [2022-11-03 04:03:34,550 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_8e780e99-d0fa-40c0-8e46-f25c1e8485dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[445982,445995] [2022-11-03 04:03:34,550 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_8e780e99-d0fa-40c0-8e46-f25c1e8485dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[446148,446161] [2022-11-03 04:03:34,552 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_8e780e99-d0fa-40c0-8e46-f25c1e8485dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[446312,446325] [2022-11-03 04:03:34,552 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_8e780e99-d0fa-40c0-8e46-f25c1e8485dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[446477,446490] [2022-11-03 04:03:34,553 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_8e780e99-d0fa-40c0-8e46-f25c1e8485dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[446642,446655] [2022-11-03 04:03:34,553 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_8e780e99-d0fa-40c0-8e46-f25c1e8485dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[446808,446821] [2022-11-03 04:03:34,553 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_8e780e99-d0fa-40c0-8e46-f25c1e8485dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[446973,446986] [2022-11-03 04:03:34,554 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_8e780e99-d0fa-40c0-8e46-f25c1e8485dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[447140,447153] [2022-11-03 04:03:34,555 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_8e780e99-d0fa-40c0-8e46-f25c1e8485dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[447300,447313] [2022-11-03 04:03:34,555 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_8e780e99-d0fa-40c0-8e46-f25c1e8485dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[447462,447475] [2022-11-03 04:03:34,556 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_8e780e99-d0fa-40c0-8e46-f25c1e8485dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[447621,447634] [2022-11-03 04:03:34,556 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_8e780e99-d0fa-40c0-8e46-f25c1e8485dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[447767,447780] [2022-11-03 04:03:34,557 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_8e780e99-d0fa-40c0-8e46-f25c1e8485dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[447910,447923] [2022-11-03 04:03:34,557 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_8e780e99-d0fa-40c0-8e46-f25c1e8485dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[448054,448067] [2022-11-03 04:03:34,558 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_8e780e99-d0fa-40c0-8e46-f25c1e8485dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[448197,448210] [2022-11-03 04:03:34,558 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_8e780e99-d0fa-40c0-8e46-f25c1e8485dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[448341,448354] [2022-11-03 04:03:34,559 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_8e780e99-d0fa-40c0-8e46-f25c1e8485dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[448482,448495] [2022-11-03 04:03:34,559 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_8e780e99-d0fa-40c0-8e46-f25c1e8485dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[448620,448633] [2022-11-03 04:03:34,560 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_8e780e99-d0fa-40c0-8e46-f25c1e8485dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[448778,448791] [2022-11-03 04:03:34,560 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_8e780e99-d0fa-40c0-8e46-f25c1e8485dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[448937,448950] [2022-11-03 04:03:34,561 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_8e780e99-d0fa-40c0-8e46-f25c1e8485dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[449093,449106] [2022-11-03 04:03:34,561 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_8e780e99-d0fa-40c0-8e46-f25c1e8485dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[449242,449255] [2022-11-03 04:03:34,562 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_8e780e99-d0fa-40c0-8e46-f25c1e8485dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[449394,449407] [2022-11-03 04:03:34,562 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_8e780e99-d0fa-40c0-8e46-f25c1e8485dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[449545,449558] [2022-11-03 04:03:34,563 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_8e780e99-d0fa-40c0-8e46-f25c1e8485dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[449694,449707] [2022-11-03 04:03:34,563 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_8e780e99-d0fa-40c0-8e46-f25c1e8485dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[449846,449859] [2022-11-03 04:03:34,564 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_8e780e99-d0fa-40c0-8e46-f25c1e8485dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[449994,450007] [2022-11-03 04:03:34,564 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_8e780e99-d0fa-40c0-8e46-f25c1e8485dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[450147,450160] [2022-11-03 04:03:34,565 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_8e780e99-d0fa-40c0-8e46-f25c1e8485dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[450298,450311] [2022-11-03 04:03:34,565 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_8e780e99-d0fa-40c0-8e46-f25c1e8485dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[450448,450461] [2022-11-03 04:03:34,566 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_8e780e99-d0fa-40c0-8e46-f25c1e8485dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[450595,450608] [2022-11-03 04:03:34,566 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_8e780e99-d0fa-40c0-8e46-f25c1e8485dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[450746,450759] [2022-11-03 04:03:34,566 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_8e780e99-d0fa-40c0-8e46-f25c1e8485dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[450897,450910] [2022-11-03 04:03:34,567 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_8e780e99-d0fa-40c0-8e46-f25c1e8485dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[451045,451058] [2022-11-03 04:03:34,567 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_8e780e99-d0fa-40c0-8e46-f25c1e8485dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[451211,451224] [2022-11-03 04:03:34,568 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_8e780e99-d0fa-40c0-8e46-f25c1e8485dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[451380,451393] [2022-11-03 04:03:34,568 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_8e780e99-d0fa-40c0-8e46-f25c1e8485dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[451547,451560] [2022-11-03 04:03:34,569 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_8e780e99-d0fa-40c0-8e46-f25c1e8485dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[451715,451728] [2022-11-03 04:03:34,569 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_8e780e99-d0fa-40c0-8e46-f25c1e8485dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[451865,451878] [2022-11-03 04:03:34,570 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_8e780e99-d0fa-40c0-8e46-f25c1e8485dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[452012,452025] [2022-11-03 04:03:34,570 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_8e780e99-d0fa-40c0-8e46-f25c1e8485dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[452173,452186] [2022-11-03 04:03:34,571 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_8e780e99-d0fa-40c0-8e46-f25c1e8485dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[452343,452356] [2022-11-03 04:03:34,571 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_8e780e99-d0fa-40c0-8e46-f25c1e8485dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[452505,452518] [2022-11-03 04:03:34,582 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-03 04:03:34,607 INFO L203 MainTranslator]: Completed pre-run [2022-11-03 04:03:35,027 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_8e780e99-d0fa-40c0-8e46-f25c1e8485dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[439117,439130] [2022-11-03 04:03:35,028 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_8e780e99-d0fa-40c0-8e46-f25c1e8485dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[439262,439275] [2022-11-03 04:03:35,033 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_8e780e99-d0fa-40c0-8e46-f25c1e8485dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[439408,439421] [2022-11-03 04:03:35,034 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_8e780e99-d0fa-40c0-8e46-f25c1e8485dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[439573,439586] [2022-11-03 04:03:35,035 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_8e780e99-d0fa-40c0-8e46-f25c1e8485dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[439731,439744] [2022-11-03 04:03:35,036 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_8e780e99-d0fa-40c0-8e46-f25c1e8485dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[439889,439902] [2022-11-03 04:03:35,036 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_8e780e99-d0fa-40c0-8e46-f25c1e8485dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[440047,440060] [2022-11-03 04:03:35,037 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_8e780e99-d0fa-40c0-8e46-f25c1e8485dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[440207,440220] [2022-11-03 04:03:35,037 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_8e780e99-d0fa-40c0-8e46-f25c1e8485dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[440366,440379] [2022-11-03 04:03:35,038 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_8e780e99-d0fa-40c0-8e46-f25c1e8485dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[440505,440518] [2022-11-03 04:03:35,039 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_8e780e99-d0fa-40c0-8e46-f25c1e8485dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[440647,440660] [2022-11-03 04:03:35,039 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_8e780e99-d0fa-40c0-8e46-f25c1e8485dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[440796,440809] [2022-11-03 04:03:35,039 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_8e780e99-d0fa-40c0-8e46-f25c1e8485dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[440935,440948] [2022-11-03 04:03:35,040 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_8e780e99-d0fa-40c0-8e46-f25c1e8485dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[441090,441103] [2022-11-03 04:03:35,040 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_8e780e99-d0fa-40c0-8e46-f25c1e8485dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[441250,441263] [2022-11-03 04:03:35,041 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_8e780e99-d0fa-40c0-8e46-f25c1e8485dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[441401,441414] [2022-11-03 04:03:35,041 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_8e780e99-d0fa-40c0-8e46-f25c1e8485dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[441552,441565] [2022-11-03 04:03:35,041 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_8e780e99-d0fa-40c0-8e46-f25c1e8485dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[441704,441717] [2022-11-03 04:03:35,042 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_8e780e99-d0fa-40c0-8e46-f25c1e8485dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[441853,441866] [2022-11-03 04:03:35,042 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_8e780e99-d0fa-40c0-8e46-f25c1e8485dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[442001,442014] [2022-11-03 04:03:35,042 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_8e780e99-d0fa-40c0-8e46-f25c1e8485dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[442158,442171] [2022-11-03 04:03:35,043 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_8e780e99-d0fa-40c0-8e46-f25c1e8485dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[442307,442320] [2022-11-03 04:03:35,044 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_8e780e99-d0fa-40c0-8e46-f25c1e8485dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[442463,442476] [2022-11-03 04:03:35,044 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_8e780e99-d0fa-40c0-8e46-f25c1e8485dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[442616,442629] [2022-11-03 04:03:35,045 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_8e780e99-d0fa-40c0-8e46-f25c1e8485dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[442762,442775] [2022-11-03 04:03:35,045 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_8e780e99-d0fa-40c0-8e46-f25c1e8485dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[442905,442918] [2022-11-03 04:03:35,046 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_8e780e99-d0fa-40c0-8e46-f25c1e8485dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[443057,443070] [2022-11-03 04:03:35,047 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_8e780e99-d0fa-40c0-8e46-f25c1e8485dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[443203,443216] [2022-11-03 04:03:35,047 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_8e780e99-d0fa-40c0-8e46-f25c1e8485dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[443348,443361] [2022-11-03 04:03:35,048 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_8e780e99-d0fa-40c0-8e46-f25c1e8485dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[443502,443515] [2022-11-03 04:03:35,048 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_8e780e99-d0fa-40c0-8e46-f25c1e8485dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[443653,443666] [2022-11-03 04:03:35,048 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_8e780e99-d0fa-40c0-8e46-f25c1e8485dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[443808,443821] [2022-11-03 04:03:35,049 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_8e780e99-d0fa-40c0-8e46-f25c1e8485dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[443960,443973] [2022-11-03 04:03:35,050 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_8e780e99-d0fa-40c0-8e46-f25c1e8485dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[444115,444128] [2022-11-03 04:03:35,050 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_8e780e99-d0fa-40c0-8e46-f25c1e8485dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[444279,444292] [2022-11-03 04:03:35,051 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_8e780e99-d0fa-40c0-8e46-f25c1e8485dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[444435,444448] [2022-11-03 04:03:35,051 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_8e780e99-d0fa-40c0-8e46-f25c1e8485dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[444599,444612] [2022-11-03 04:03:35,052 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_8e780e99-d0fa-40c0-8e46-f25c1e8485dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[444741,444754] [2022-11-03 04:03:35,053 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_8e780e99-d0fa-40c0-8e46-f25c1e8485dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[444899,444912] [2022-11-03 04:03:35,054 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_8e780e99-d0fa-40c0-8e46-f25c1e8485dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[445066,445079] [2022-11-03 04:03:35,055 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_8e780e99-d0fa-40c0-8e46-f25c1e8485dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[445225,445238] [2022-11-03 04:03:35,055 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_8e780e99-d0fa-40c0-8e46-f25c1e8485dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[445384,445397] [2022-11-03 04:03:35,056 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_8e780e99-d0fa-40c0-8e46-f25c1e8485dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[445533,445546] [2022-11-03 04:03:35,056 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_8e780e99-d0fa-40c0-8e46-f25c1e8485dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[445680,445693] [2022-11-03 04:03:35,057 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_8e780e99-d0fa-40c0-8e46-f25c1e8485dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[445819,445832] [2022-11-03 04:03:35,057 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_8e780e99-d0fa-40c0-8e46-f25c1e8485dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[445982,445995] [2022-11-03 04:03:35,057 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_8e780e99-d0fa-40c0-8e46-f25c1e8485dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[446148,446161] [2022-11-03 04:03:35,058 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_8e780e99-d0fa-40c0-8e46-f25c1e8485dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[446312,446325] [2022-11-03 04:03:35,058 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_8e780e99-d0fa-40c0-8e46-f25c1e8485dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[446477,446490] [2022-11-03 04:03:35,059 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_8e780e99-d0fa-40c0-8e46-f25c1e8485dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[446642,446655] [2022-11-03 04:03:35,059 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_8e780e99-d0fa-40c0-8e46-f25c1e8485dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[446808,446821] [2022-11-03 04:03:35,060 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_8e780e99-d0fa-40c0-8e46-f25c1e8485dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[446973,446986] [2022-11-03 04:03:35,060 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_8e780e99-d0fa-40c0-8e46-f25c1e8485dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[447140,447153] [2022-11-03 04:03:35,061 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_8e780e99-d0fa-40c0-8e46-f25c1e8485dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[447300,447313] [2022-11-03 04:03:35,062 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_8e780e99-d0fa-40c0-8e46-f25c1e8485dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[447462,447475] [2022-11-03 04:03:35,063 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_8e780e99-d0fa-40c0-8e46-f25c1e8485dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[447621,447634] [2022-11-03 04:03:35,066 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_8e780e99-d0fa-40c0-8e46-f25c1e8485dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[447767,447780] [2022-11-03 04:03:35,067 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_8e780e99-d0fa-40c0-8e46-f25c1e8485dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[447910,447923] [2022-11-03 04:03:35,067 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_8e780e99-d0fa-40c0-8e46-f25c1e8485dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[448054,448067] [2022-11-03 04:03:35,067 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_8e780e99-d0fa-40c0-8e46-f25c1e8485dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[448197,448210] [2022-11-03 04:03:35,068 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_8e780e99-d0fa-40c0-8e46-f25c1e8485dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[448341,448354] [2022-11-03 04:03:35,069 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_8e780e99-d0fa-40c0-8e46-f25c1e8485dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[448482,448495] [2022-11-03 04:03:35,070 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_8e780e99-d0fa-40c0-8e46-f25c1e8485dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[448620,448633] [2022-11-03 04:03:35,071 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_8e780e99-d0fa-40c0-8e46-f25c1e8485dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[448778,448791] [2022-11-03 04:03:35,071 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_8e780e99-d0fa-40c0-8e46-f25c1e8485dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[448937,448950] [2022-11-03 04:03:35,081 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_8e780e99-d0fa-40c0-8e46-f25c1e8485dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[449093,449106] [2022-11-03 04:03:35,083 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_8e780e99-d0fa-40c0-8e46-f25c1e8485dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[449242,449255] [2022-11-03 04:03:35,084 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_8e780e99-d0fa-40c0-8e46-f25c1e8485dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[449394,449407] [2022-11-03 04:03:35,085 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_8e780e99-d0fa-40c0-8e46-f25c1e8485dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[449545,449558] [2022-11-03 04:03:35,085 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_8e780e99-d0fa-40c0-8e46-f25c1e8485dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[449694,449707] [2022-11-03 04:03:35,085 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_8e780e99-d0fa-40c0-8e46-f25c1e8485dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[449846,449859] [2022-11-03 04:03:35,086 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_8e780e99-d0fa-40c0-8e46-f25c1e8485dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[449994,450007] [2022-11-03 04:03:35,086 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_8e780e99-d0fa-40c0-8e46-f25c1e8485dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[450147,450160] [2022-11-03 04:03:35,087 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_8e780e99-d0fa-40c0-8e46-f25c1e8485dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[450298,450311] [2022-11-03 04:03:35,087 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_8e780e99-d0fa-40c0-8e46-f25c1e8485dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[450448,450461] [2022-11-03 04:03:35,088 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_8e780e99-d0fa-40c0-8e46-f25c1e8485dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[450595,450608] [2022-11-03 04:03:35,088 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_8e780e99-d0fa-40c0-8e46-f25c1e8485dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[450746,450759] [2022-11-03 04:03:35,088 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_8e780e99-d0fa-40c0-8e46-f25c1e8485dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[450897,450910] [2022-11-03 04:03:35,090 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_8e780e99-d0fa-40c0-8e46-f25c1e8485dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[451045,451058] [2022-11-03 04:03:35,090 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_8e780e99-d0fa-40c0-8e46-f25c1e8485dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[451211,451224] [2022-11-03 04:03:35,091 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_8e780e99-d0fa-40c0-8e46-f25c1e8485dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[451380,451393] [2022-11-03 04:03:35,092 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_8e780e99-d0fa-40c0-8e46-f25c1e8485dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[451547,451560] [2022-11-03 04:03:35,093 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_8e780e99-d0fa-40c0-8e46-f25c1e8485dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[451715,451728] [2022-11-03 04:03:35,093 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_8e780e99-d0fa-40c0-8e46-f25c1e8485dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[451865,451878] [2022-11-03 04:03:35,094 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_8e780e99-d0fa-40c0-8e46-f25c1e8485dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[452012,452025] [2022-11-03 04:03:35,094 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_8e780e99-d0fa-40c0-8e46-f25c1e8485dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[452173,452186] [2022-11-03 04:03:35,098 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_8e780e99-d0fa-40c0-8e46-f25c1e8485dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[452343,452356] [2022-11-03 04:03:35,099 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_8e780e99-d0fa-40c0-8e46-f25c1e8485dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[452505,452518] [2022-11-03 04:03:35,103 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-03 04:03:35,403 INFO L208 MainTranslator]: Completed translation [2022-11-03 04:03:35,404 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:03:35 WrapperNode [2022-11-03 04:03:35,404 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-03 04:03:35,406 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-03 04:03:35,406 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-03 04:03:35,406 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-03 04:03:35,414 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:03:35" (1/1) ... [2022-11-03 04:03:35,566 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:03:35" (1/1) ... [2022-11-03 04:03:35,838 INFO L138 Inliner]: procedures = 745, calls = 3007, calls flagged for inlining = 366, calls inlined = 283, statements flattened = 6655 [2022-11-03 04:03:35,842 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-03 04:03:35,843 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-03 04:03:35,843 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-03 04:03:35,843 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-03 04:03:35,852 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:03:35" (1/1) ... [2022-11-03 04:03:35,853 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:03:35" (1/1) ... [2022-11-03 04:03:35,879 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:03:35" (1/1) ... [2022-11-03 04:03:35,880 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:03:35" (1/1) ... [2022-11-03 04:03:36,012 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:03:35" (1/1) ... [2022-11-03 04:03:36,034 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:03:35" (1/1) ... [2022-11-03 04:03:36,172 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:03:35" (1/1) ... [2022-11-03 04:03:36,185 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:03:35" (1/1) ... [2022-11-03 04:03:36,224 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-03 04:03:36,225 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-03 04:03:36,225 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-03 04:03:36,226 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-03 04:03:36,226 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:03:35" (1/1) ... [2022-11-03 04:03:36,232 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-03 04:03:36,242 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e780e99-d0fa-40c0-8e46-f25c1e8485dc/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 04:03:36,256 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e780e99-d0fa-40c0-8e46-f25c1e8485dc/bin/utaipan-7li7fVZpFI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-03 04:03:36,269 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e780e99-d0fa-40c0-8e46-f25c1e8485dc/bin/utaipan-7li7fVZpFI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-03 04:03:36,298 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_area_prepare_fill [2022-11-03 04:03:36,299 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_area_prepare_fill [2022-11-03 04:03:36,299 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_rnd_perf [2022-11-03 04:03:36,299 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_rnd_perf [2022-11-03 04:03:36,299 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_coherent_check_final_state [2022-11-03 04:03:36,299 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_coherent_check_final_state [2022-11-03 04:03:36,299 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-11-03 04:03:36,300 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-11-03 04:03:36,300 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_verify_write [2022-11-03 04:03:36,300 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_verify_write [2022-11-03 04:03:36,300 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-03 04:03:36,300 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-03 04:03:36,300 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_rate [2022-11-03 04:03:36,300 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_rate [2022-11-03 04:03:36,301 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_verify_read [2022-11-03 04:03:36,301 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_verify_read [2022-11-03 04:03:36,301 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_no_highmem [2022-11-03 04:03:36,301 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_no_highmem [2022-11-03 04:03:36,301 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_prepare_write [2022-11-03 04:03:36,301 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_prepare_write [2022-11-03 04:03:36,301 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_mmc_sdio_func_check_final_state [2022-11-03 04:03:36,302 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_mmc_sdio_func_check_final_state [2022-11-03 04:03:36,302 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_irq_restore [2022-11-03 04:03:36,302 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_irq_restore [2022-11-03 04:03:36,302 INFO L130 BoogieDeclarations]: Found specification of procedure __mmc_test_prepare [2022-11-03 04:03:36,302 INFO L138 BoogieDeclarations]: Found implementation of procedure __mmc_test_prepare [2022-11-03 04:03:36,302 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_best_read_perf_max_scatter [2022-11-03 04:03:36,302 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_best_read_perf_max_scatter [2022-11-03 04:03:36,303 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_arch_io_check_final_state [2022-11-03 04:03:36,303 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_arch_io_check_final_state [2022-11-03 04:03:36,303 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_check_result [2022-11-03 04:03:36,303 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_check_result [2022-11-03 04:03:36,303 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_module_check_final_state [2022-11-03 04:03:36,303 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_module_check_final_state [2022-11-03 04:03:36,303 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_basic_write [2022-11-03 04:03:36,304 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_basic_write [2022-11-03 04:03:36,304 INFO L130 BoogieDeclarations]: Found specification of procedure __mmc_test_register_dbgfs_file [2022-11-03 04:03:36,304 INFO L138 BoogieDeclarations]: Found implementation of procedure __mmc_test_register_dbgfs_file [2022-11-03 04:03:36,304 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_align_read [2022-11-03 04:03:36,304 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_align_read [2022-11-03 04:03:36,304 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-11-03 04:03:36,304 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-11-03 04:03:36,305 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_broken_transfer [2022-11-03 04:03:36,305 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_broken_transfer [2022-11-03 04:03:36,305 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-11-03 04:03:36,305 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-11-03 04:03:36,305 INFO L130 BoogieDeclarations]: Found specification of procedure arch_irqs_disabled_flags [2022-11-03 04:03:36,305 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_irqs_disabled_flags [2022-11-03 04:03:36,306 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_queue_check_final_state [2022-11-03 04:03:36,306 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_queue_check_final_state [2022-11-03 04:03:36,306 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_cleanup [2022-11-03 04:03:36,306 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_cleanup [2022-11-03 04:03:36,307 INFO L130 BoogieDeclarations]: Found specification of procedure sg_init_table [2022-11-03 04:03:36,307 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_init_table [2022-11-03 04:03:36,307 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-03 04:03:36,307 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_remove [2022-11-03 04:03:36,307 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_remove [2022-11-03 04:03:36,307 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_large_seq_perf [2022-11-03 04:03:36,307 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_large_seq_perf [2022-11-03 04:03:36,308 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_area_io [2022-11-03 04:03:36,308 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_area_io [2022-11-03 04:03:36,308 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2022-11-03 04:03:36,308 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2022-11-03 04:03:36,309 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-11-03 04:03:36,313 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-11-03 04:03:36,313 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_free_mem [2022-11-03 04:03:36,313 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_free_mem [2022-11-03 04:03:36,313 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_request_check_final_state [2022-11-03 04:03:36,313 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_request_check_final_state [2022-11-03 04:03:36,313 INFO L130 BoogieDeclarations]: Found specification of procedure timespec_sub [2022-11-03 04:03:36,314 INFO L138 BoogieDeclarations]: Found implementation of procedure timespec_sub [2022-11-03 04:03:36,314 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_area_prepare_erase [2022-11-03 04:03:36,314 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_area_prepare_erase [2022-11-03 04:03:36,315 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_profile_mult_read_blocking_perf [2022-11-03 04:03:36,316 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_profile_mult_read_blocking_perf [2022-11-03 04:03:36,316 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_free_result [2022-11-03 04:03:36,316 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_free_result [2022-11-03 04:03:36,316 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_print_avg_rate [2022-11-03 04:03:36,316 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_print_avg_rate [2022-11-03 04:03:36,316 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_in_interrupt_context [2022-11-03 04:03:36,316 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_in_interrupt_context [2022-11-03 04:03:36,317 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-11-03 04:03:36,317 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-11-03 04:03:36,317 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_best_performance [2022-11-03 04:03:36,317 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_best_performance [2022-11-03 04:03:36,318 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_bh_check_final_state [2022-11-03 04:03:36,318 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_bh_check_final_state [2022-11-03 04:03:36,319 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-03 04:03:36,319 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_genhd_check_final_state [2022-11-03 04:03:36,319 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_genhd_check_final_state [2022-11-03 04:03:36,319 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_after_alloc [2022-11-03 04:03:36,319 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_after_alloc [2022-11-03 04:03:36,319 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_area_erase [2022-11-03 04:03:36,319 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_area_erase [2022-11-03 04:03:36,320 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_register_reset_error_counter [2022-11-03 04:03:36,320 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_register_reset_error_counter [2022-11-03 04:03:36,320 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_area_init [2022-11-03 04:03:36,320 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_area_init [2022-11-03 04:03:36,320 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2022-11-03 04:03:36,320 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2022-11-03 04:03:36,320 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2022-11-03 04:03:36,321 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2022-11-03 04:03:36,321 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_xfersize_write [2022-11-03 04:03:36,321 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_xfersize_write [2022-11-03 04:03:36,321 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2022-11-03 04:03:36,321 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2022-11-03 04:03:36,321 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_lib_idr_check_final_state [2022-11-03 04:03:36,321 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_lib_idr_check_final_state [2022-11-03 04:03:36,322 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_best_read_performance [2022-11-03 04:03:36,322 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_best_read_performance [2022-11-03 04:03:36,322 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_nonblock_reset [2022-11-03 04:03:36,322 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_nonblock_reset [2022-11-03 04:03:36,322 INFO L130 BoogieDeclarations]: Found specification of procedure sg_next [2022-11-03 04:03:36,322 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_next [2022-11-03 04:03:36,322 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_srcu_check_final_state [2022-11-03 04:03:36,323 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_srcu_check_final_state [2022-11-03 04:03:36,323 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_profile_mult_write_nonblock_perf [2022-11-03 04:03:36,323 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_profile_mult_write_nonblock_perf [2022-11-03 04:03:36,323 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-03 04:03:36,323 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_irq_save [2022-11-03 04:03:36,324 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_irq_save [2022-11-03 04:03:36,324 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_profile_sglen_r_blocking_perf [2022-11-03 04:03:36,324 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_profile_sglen_r_blocking_perf [2022-11-03 04:03:36,324 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_pow2_write [2022-11-03 04:03:36,325 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_pow2_write [2022-11-03 04:03:36,325 INFO L130 BoogieDeclarations]: Found specification of procedure seq_lseek [2022-11-03 04:03:36,325 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_lseek [2022-11-03 04:03:36,325 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2022-11-03 04:03:36,325 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2022-11-03 04:03:36,325 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-03 04:03:36,325 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_rw_multiple_sg_len [2022-11-03 04:03:36,325 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_rw_multiple_sg_len [2022-11-03 04:03:36,326 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_large_seq_read_perf [2022-11-03 04:03:36,326 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_large_seq_read_perf [2022-11-03 04:03:36,326 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-11-03 04:03:36,326 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-11-03 04:03:36,326 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-03 04:03:36,326 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_xfersize_read [2022-11-03 04:03:36,326 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_xfersize_read [2022-11-03 04:03:36,327 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_simple_transfer [2022-11-03 04:03:36,327 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_simple_transfer [2022-11-03 04:03:36,327 INFO L130 BoogieDeclarations]: Found specification of procedure sg_mark_end [2022-11-03 04:03:36,327 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_mark_end [2022-11-03 04:03:36,327 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2022-11-03 04:03:36,327 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2022-11-03 04:03:36,327 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_rnd_num [2022-11-03 04:03:36,327 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_rnd_num [2022-11-03 04:03:36,328 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_area_fill [2022-11-03 04:03:36,328 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_area_fill [2022-11-03 04:03:36,328 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_profile_seq_read_perf [2022-11-03 04:03:36,328 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_profile_seq_read_perf [2022-11-03 04:03:36,328 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_random_read_perf [2022-11-03 04:03:36,328 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_random_read_perf [2022-11-03 04:03:36,328 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_best_write_performance [2022-11-03 04:03:36,329 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_best_write_performance [2022-11-03 04:03:36,329 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_register_reset_error_counter [2022-11-03 04:03:36,329 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_register_reset_error_counter [2022-11-03 04:03:36,329 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_remove [2022-11-03 04:03:36,329 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_remove [2022-11-03 04:03:36,329 INFO L130 BoogieDeclarations]: Found specification of procedure dev_name [2022-11-03 04:03:36,329 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_name [2022-11-03 04:03:36,329 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_pow2_read [2022-11-03 04:03:36,330 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_pow2_read [2022-11-03 04:03:36,330 INFO L130 BoogieDeclarations]: Found specification of procedure sg_init_one [2022-11-03 04:03:36,330 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_init_one [2022-11-03 04:03:36,330 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-03 04:03:36,330 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-03 04:03:36,330 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_start_req [2022-11-03 04:03:36,330 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_start_req [2022-11-03 04:03:36,331 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_wait_busy [2022-11-03 04:03:36,331 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_wait_busy [2022-11-03 04:03:36,331 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-11-03 04:03:36,331 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-11-03 04:03:36,331 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_seq_read_perf [2022-11-03 04:03:36,331 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_seq_read_perf [2022-11-03 04:03:36,331 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_buffer_transfer [2022-11-03 04:03:36,331 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_buffer_transfer [2022-11-03 04:03:36,332 INFO L130 BoogieDeclarations]: Found specification of procedure seq_read [2022-11-03 04:03:36,332 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_read [2022-11-03 04:03:36,332 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_multi_read [2022-11-03 04:03:36,332 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_multi_read [2022-11-03 04:03:36,332 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_mutex_mutex_unlock_mmc_test_lock [2022-11-03 04:03:36,332 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_mutex_mutex_unlock_mmc_test_lock [2022-11-03 04:03:36,332 INFO L130 BoogieDeclarations]: Found specification of procedure trace_hardirqs_on [2022-11-03 04:03:36,333 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_hardirqs_on [2022-11-03 04:03:36,333 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_weird_write [2022-11-03 04:03:36,333 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_weird_write [2022-11-03 04:03:36,333 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_profile_sglen_wr_blocking_perf [2022-11-03 04:03:36,333 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_profile_sglen_wr_blocking_perf [2022-11-03 04:03:36,333 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-03 04:03:36,333 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-03 04:03:36,333 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_profile_seq_write_perf [2022-11-03 04:03:36,334 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_profile_seq_write_perf [2022-11-03 04:03:36,334 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_profile_trim_perf [2022-11-03 04:03:36,334 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_profile_trim_perf [2022-11-03 04:03:36,334 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_seq_write_perf [2022-11-03 04:03:36,334 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_seq_write_perf [2022-11-03 04:03:36,334 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_sock_check_final_state [2022-11-03 04:03:36,334 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_sock_check_final_state [2022-11-03 04:03:36,335 INFO L130 BoogieDeclarations]: Found specification of procedure mtf_test_write [2022-11-03 04:03:36,335 INFO L138 BoogieDeclarations]: Found implementation of procedure mtf_test_write [2022-11-03 04:03:36,335 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_random_write_perf [2022-11-03 04:03:36,335 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_random_write_perf [2022-11-03 04:03:36,335 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_gadget_check_final_state [2022-11-03 04:03:36,336 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_gadget_check_final_state [2022-11-03 04:03:36,336 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-03 04:03:36,336 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_multi_xfersize_write [2022-11-03 04:03:36,336 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_multi_xfersize_write [2022-11-03 04:03:36,336 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_fs_sysfs_check_final_state [2022-11-03 04:03:36,336 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_fs_sysfs_check_final_state [2022-11-03 04:03:36,336 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_multi_xfersize_read [2022-11-03 04:03:36,336 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_multi_xfersize_read [2022-11-03 04:03:36,337 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_area_io_seq [2022-11-03 04:03:36,337 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_area_io_seq [2022-11-03 04:03:36,337 INFO L130 BoogieDeclarations]: Found specification of procedure trace_hardirqs_off [2022-11-03 04:03:36,337 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_hardirqs_off [2022-11-03 04:03:36,337 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_set_blksize [2022-11-03 04:03:36,337 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_set_blksize [2022-11-03 04:03:36,337 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-03 04:03:36,338 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_transfer [2022-11-03 04:03:36,338 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_transfer [2022-11-03 04:03:36,338 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_profile_sglen_wr_nonblock_perf [2022-11-03 04:03:36,338 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_profile_sglen_wr_nonblock_perf [2022-11-03 04:03:36,338 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_profile_mult_read_nonblock_perf [2022-11-03 04:03:36,338 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_profile_mult_read_nonblock_perf [2022-11-03 04:03:36,338 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_rw_multiple_size [2022-11-03 04:03:36,339 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_rw_multiple_size [2022-11-03 04:03:36,339 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_save_transfer_result [2022-11-03 04:03:36,339 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_save_transfer_result [2022-11-03 04:03:36,339 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_shutdown [2022-11-03 04:03:36,339 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_shutdown [2022-11-03 04:03:36,339 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_prepare_read [2022-11-03 04:03:36,339 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_prepare_read [2022-11-03 04:03:36,339 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-03 04:03:36,340 INFO L130 BoogieDeclarations]: Found specification of procedure getnstimeofday [2022-11-03 04:03:36,340 INFO L138 BoogieDeclarations]: Found implementation of procedure getnstimeofday [2022-11-03 04:03:36,340 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_erase [2022-11-03 04:03:36,340 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_erase [2022-11-03 04:03:36,340 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_busy [2022-11-03 04:03:36,340 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_busy [2022-11-03 04:03:36,340 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_profile_write_perf [2022-11-03 04:03:36,341 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_profile_write_perf [2022-11-03 04:03:36,341 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_free_dbgfs_file [2022-11-03 04:03:36,341 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_free_dbgfs_file [2022-11-03 04:03:36,341 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2022-11-03 04:03:36,341 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2022-11-03 04:03:36,341 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_rtnetlink_check_final_state [2022-11-03 04:03:36,341 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_rtnetlink_check_final_state [2022-11-03 04:03:36,341 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_best_write_perf_max_scatter [2022-11-03 04:03:36,342 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_best_write_perf_max_scatter [2022-11-03 04:03:36,342 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-11-03 04:03:36,342 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-11-03 04:03:36,342 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_seq_perf [2022-11-03 04:03:36,342 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_seq_perf [2022-11-03 04:03:36,342 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-11-03 04:03:36,342 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-11-03 04:03:36,343 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_basic_read [2022-11-03 04:03:36,343 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_basic_read [2022-11-03 04:03:36,343 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_check_final_state [2022-11-03 04:03:36,343 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_check_final_state [2022-11-03 04:03:36,343 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock [2022-11-03 04:03:36,343 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock [2022-11-03 04:03:36,343 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_urb_check_final_state [2022-11-03 04:03:36,343 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_urb_check_final_state [2022-11-03 04:03:36,344 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_capacity [2022-11-03 04:03:36,344 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_capacity [2022-11-03 04:03:36,344 INFO L130 BoogieDeclarations]: Found specification of procedure single_open [2022-11-03 04:03:36,344 INFO L138 BoogieDeclarations]: Found implementation of procedure single_open [2022-11-03 04:03:36,344 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_wait_for_req [2022-11-03 04:03:36,344 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_wait_for_req [2022-11-03 04:03:36,344 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_hw_reset [2022-11-03 04:03:36,345 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_hw_reset [2022-11-03 04:03:36,345 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_align_multi_write [2022-11-03 04:03:36,345 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_align_multi_write [2022-11-03 04:03:36,345 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_rwlock_check_final_state [2022-11-03 04:03:36,345 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_rwlock_check_final_state [2022-11-03 04:03:36,345 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-11-03 04:03:36,345 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-11-03 04:03:36,345 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_prepare_mrq [2022-11-03 04:03:36,346 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_prepare_mrq [2022-11-03 04:03:36,346 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlock [2022-11-03 04:03:36,346 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlock [2022-11-03 04:03:36,346 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_large_seq_write_perf [2022-11-03 04:03:36,346 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_large_seq_write_perf [2022-11-03 04:03:36,346 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_can_erase [2022-11-03 04:03:36,346 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_can_erase [2022-11-03 04:03:36,347 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_rw_multiple [2022-11-03 04:03:36,347 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_rw_multiple [2022-11-03 04:03:36,347 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-03 04:03:36,347 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_fs_char_dev_check_final_state [2022-11-03 04:03:36,347 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_fs_char_dev_check_final_state [2022-11-03 04:03:36,347 INFO L130 BoogieDeclarations]: Found specification of procedure single_release [2022-11-03 04:03:36,347 INFO L138 BoogieDeclarations]: Found implementation of procedure single_release [2022-11-03 04:03:36,347 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-03 04:03:36,348 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-03 04:03:36,348 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_print_rate [2022-11-03 04:03:36,348 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_print_rate [2022-11-03 04:03:36,348 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_can_trim [2022-11-03 04:03:36,348 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_can_trim [2022-11-03 04:03:36,348 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_align_write [2022-11-03 04:03:36,348 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_align_write [2022-11-03 04:03:36,349 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_drivers_base_class_check_final_state [2022-11-03 04:03:36,349 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_drivers_base_class_check_final_state [2022-11-03 04:03:36,349 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_random_perf [2022-11-03 04:03:36,349 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_random_perf [2022-11-03 04:03:36,349 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_multi_write [2022-11-03 04:03:36,349 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_multi_write [2022-11-03 04:03:36,349 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_profile_sglen_r_nonblock_perf [2022-11-03 04:03:36,349 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_profile_sglen_r_nonblock_perf [2022-11-03 04:03:36,350 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_mutex_mutex_lock_mmc_test_lock [2022-11-03 04:03:36,350 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_mutex_mutex_lock_mmc_test_lock [2022-11-03 04:03:36,350 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_weird_read [2022-11-03 04:03:36,350 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_weird_read [2022-11-03 04:03:36,350 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_profile_mult_write_blocking_perf [2022-11-03 04:03:36,350 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_profile_mult_write_blocking_perf [2022-11-03 04:03:36,350 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_probe [2022-11-03 04:03:36,351 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_probe [2022-11-03 04:03:36,351 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-11-03 04:03:36,351 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-11-03 04:03:36,351 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_sched_check_final_state [2022-11-03 04:03:36,351 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_sched_check_final_state [2022-11-03 04:03:36,351 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_profile_read_perf [2022-11-03 04:03:36,351 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_profile_read_perf [2022-11-03 04:03:36,352 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_profile_seq_trim_perf [2022-11-03 04:03:36,352 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_profile_seq_trim_perf [2022-11-03 04:03:36,352 INFO L130 BoogieDeclarations]: Found specification of procedure sg_set_page [2022-11-03 04:03:36,352 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_set_page [2022-11-03 04:03:36,352 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-03 04:03:36,352 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_area_cleanup [2022-11-03 04:03:36,352 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_area_cleanup [2022-11-03 04:03:37,620 INFO L235 CfgBuilder]: Building ICFG [2022-11-03 04:03:37,625 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-03 04:03:38,133 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-11-03 04:04:02,103 INFO L276 CfgBuilder]: Performing block encoding [2022-11-03 04:04:03,781 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-03 04:04:03,781 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-03 04:04:03,787 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 04:04:03 BoogieIcfgContainer [2022-11-03 04:04:03,787 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-03 04:04:03,789 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-03 04:04:03,789 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-03 04:04:03,793 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-03 04:04:03,793 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.11 04:03:29" (1/3) ... [2022-11-03 04:04:03,793 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2f98a1da and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 04:04:03, skipping insertion in model container [2022-11-03 04:04:03,794 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:03:35" (2/3) ... [2022-11-03 04:04:03,794 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2f98a1da and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 04:04:03, skipping insertion in model container [2022-11-03 04:04:03,794 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 04:04:03" (3/3) ... [2022-11-03 04:04:03,796 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i [2022-11-03 04:04:03,815 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-03 04:04:03,815 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 25 error locations. [2022-11-03 04:04:03,902 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-03 04:04:03,908 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@3db3dcf1, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-03 04:04:03,908 INFO L358 AbstractCegarLoop]: Starting to check reachability of 25 error locations. [2022-11-03 04:04:03,919 INFO L276 IsEmpty]: Start isEmpty. Operand has 2339 states, 1420 states have (on average 1.3514084507042254) internal successors, (1919), 1513 states have internal predecessors, (1919), 735 states have call successors, (735), 159 states have call predecessors, (735), 158 states have return successors, (690), 683 states have call predecessors, (690), 690 states have call successors, (690) [2022-11-03 04:04:03,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2022-11-03 04:04:03,928 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 04:04:03,929 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 04:04:03,930 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_linux_arch_io_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 23 more)] === [2022-11-03 04:04:03,936 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 04:04:03,936 INFO L85 PathProgramCache]: Analyzing trace with hash -1556829324, now seen corresponding path program 1 times [2022-11-03 04:04:03,946 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 04:04:03,947 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [85849620] [2022-11-03 04:04:03,947 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 04:04:03,947 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 04:04:04,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 04:04:04,910 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-11-03 04:04:04,911 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 04:04:04,911 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [85849620] [2022-11-03 04:04:04,912 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [85849620] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 04:04:04,912 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 04:04:04,912 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-03 04:04:04,914 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [743307906] [2022-11-03 04:04:04,914 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 04:04:04,919 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-03 04:04:04,919 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 04:04:04,953 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-03 04:04:04,954 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-03 04:04:04,961 INFO L87 Difference]: Start difference. First operand has 2339 states, 1420 states have (on average 1.3514084507042254) internal successors, (1919), 1513 states have internal predecessors, (1919), 735 states have call successors, (735), 159 states have call predecessors, (735), 158 states have return successors, (690), 683 states have call predecessors, (690), 690 states have call successors, (690) Second operand has 4 states, 4 states have (on average 5.25) internal successors, (21), 4 states have internal predecessors, (21), 2 states have call successors, (10), 2 states have call predecessors, (10), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2022-11-03 04:04:08,131 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-03 04:04:10,444 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 04:04:13,108 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2022-11-03 04:04:14,797 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 04:04:14,797 INFO L93 Difference]: Finished difference Result 4713 states and 7031 transitions. [2022-11-03 04:04:14,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-03 04:04:14,800 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.25) internal successors, (21), 4 states have internal predecessors, (21), 2 states have call successors, (10), 2 states have call predecessors, (10), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 47 [2022-11-03 04:04:14,800 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 04:04:14,846 INFO L225 Difference]: With dead ends: 4713 [2022-11-03 04:04:14,846 INFO L226 Difference]: Without dead ends: 2341 [2022-11-03 04:04:14,869 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-03 04:04:14,872 INFO L413 NwaCegarLoop]: 2840 mSDtfsCounter, 3266 mSDsluCounter, 3409 mSDsCounter, 0 mSdLazyCounter, 977 mSolverCounterSat, 0 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3284 SdHoareTripleChecker+Valid, 5754 SdHoareTripleChecker+Invalid, 980 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 977 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.4s IncrementalHoareTripleChecker+Time [2022-11-03 04:04:14,873 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3284 Valid, 5754 Invalid, 980 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 977 Invalid, 3 Unknown, 0 Unchecked, 9.4s Time] [2022-11-03 04:04:14,896 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2341 states. [2022-11-03 04:04:15,100 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2341 to 2336. [2022-11-03 04:04:15,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2336 states, 1445 states have (on average 1.3003460207612456) internal successors, (1879), 1493 states have internal predecessors, (1879), 702 states have call successors, (702), 167 states have call predecessors, (702), 165 states have return successors, (700), 692 states have call predecessors, (700), 700 states have call successors, (700) [2022-11-03 04:04:15,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2336 states to 2336 states and 3281 transitions. [2022-11-03 04:04:15,131 INFO L78 Accepts]: Start accepts. Automaton has 2336 states and 3281 transitions. Word has length 47 [2022-11-03 04:04:15,132 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 04:04:15,132 INFO L495 AbstractCegarLoop]: Abstraction has 2336 states and 3281 transitions. [2022-11-03 04:04:15,132 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.25) internal successors, (21), 4 states have internal predecessors, (21), 2 states have call successors, (10), 2 states have call predecessors, (10), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2022-11-03 04:04:15,133 INFO L276 IsEmpty]: Start isEmpty. Operand 2336 states and 3281 transitions. [2022-11-03 04:04:15,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2022-11-03 04:04:15,135 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 04:04:15,136 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 04:04:15,136 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-03 04:04:15,137 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_linux_block_genhd_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 23 more)] === [2022-11-03 04:04:15,137 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 04:04:15,138 INFO L85 PathProgramCache]: Analyzing trace with hash -410701207, now seen corresponding path program 1 times [2022-11-03 04:04:15,138 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 04:04:15,138 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [819419079] [2022-11-03 04:04:15,138 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 04:04:15,139 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 04:04:15,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 04:04:15,635 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-11-03 04:04:15,636 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 04:04:15,636 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [819419079] [2022-11-03 04:04:15,636 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [819419079] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 04:04:15,636 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 04:04:15,637 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-03 04:04:15,637 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1943770758] [2022-11-03 04:04:15,637 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 04:04:15,638 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-03 04:04:15,638 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 04:04:15,639 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-03 04:04:15,639 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-03 04:04:15,639 INFO L87 Difference]: Start difference. First operand 2336 states and 3281 transitions. Second operand has 4 states, 4 states have (on average 6.0) internal successors, (24), 4 states have internal predecessors, (24), 2 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2022-11-03 04:04:18,099 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-03 04:04:20,410 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 04:04:23,214 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2022-11-03 04:04:25,050 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 04:04:25,051 INFO L93 Difference]: Finished difference Result 2643 states and 3680 transitions. [2022-11-03 04:04:25,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-03 04:04:25,051 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.0) internal successors, (24), 4 states have internal predecessors, (24), 2 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 52 [2022-11-03 04:04:25,052 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 04:04:25,068 INFO L225 Difference]: With dead ends: 2643 [2022-11-03 04:04:25,068 INFO L226 Difference]: Without dead ends: 2641 [2022-11-03 04:04:25,070 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-03 04:04:25,071 INFO L413 NwaCegarLoop]: 2825 mSDtfsCounter, 3102 mSDsluCounter, 3792 mSDsCounter, 0 mSdLazyCounter, 1039 mSolverCounterSat, 0 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.6s 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, 9.1s IncrementalHoareTripleChecker+Time [2022-11-03 04:04:25,071 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3123 Valid, 6064 Invalid, 1042 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1039 Invalid, 3 Unknown, 0 Unchecked, 9.1s Time] [2022-11-03 04:04:25,078 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2641 states. [2022-11-03 04:04:25,214 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2641 to 2630. [2022-11-03 04:04:25,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2630 states, 1621 states have (on average 1.2954966070326959) internal successors, (2100), 1676 states have internal predecessors, (2100), 779 states have call successors, (779), 210 states have call predecessors, (779), 207 states have return successors, (777), 767 states have call predecessors, (777), 777 states have call successors, (777) [2022-11-03 04:04:25,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2630 states to 2630 states and 3656 transitions. [2022-11-03 04:04:25,236 INFO L78 Accepts]: Start accepts. Automaton has 2630 states and 3656 transitions. Word has length 52 [2022-11-03 04:04:25,237 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 04:04:25,237 INFO L495 AbstractCegarLoop]: Abstraction has 2630 states and 3656 transitions. [2022-11-03 04:04:25,238 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.0) internal successors, (24), 4 states have internal predecessors, (24), 2 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2022-11-03 04:04:25,238 INFO L276 IsEmpty]: Start isEmpty. Operand 2630 states and 3656 transitions. [2022-11-03 04:04:25,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2022-11-03 04:04:25,247 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 04:04:25,247 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 04:04:25,247 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-03 04:04:25,248 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 23 more)] === [2022-11-03 04:04:25,249 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 04:04:25,250 INFO L85 PathProgramCache]: Analyzing trace with hash 898599116, now seen corresponding path program 1 times [2022-11-03 04:04:25,250 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 04:04:25,250 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [189172412] [2022-11-03 04:04:25,250 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 04:04:25,250 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 04:04:25,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 04:04:26,010 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-03 04:04:26,010 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 04:04:26,011 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [189172412] [2022-11-03 04:04:26,011 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [189172412] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 04:04:26,011 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 04:04:26,011 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-03 04:04:26,011 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [694012271] [2022-11-03 04:04:26,011 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 04:04:26,012 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-03 04:04:26,012 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 04:04:26,012 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-03 04:04:26,013 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-03 04:04:26,013 INFO L87 Difference]: Start difference. First operand 2630 states and 3656 transitions. Second operand has 5 states, 5 states have (on average 5.0) internal successors, (25), 4 states have internal predecessors, (25), 2 states have call successors, (13), 3 states have call predecessors, (13), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2022-11-03 04:04:28,735 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-03 04:04:31,221 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 04:04:34,997 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2022-11-03 04:04:37,277 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 04:04:37,277 INFO L93 Difference]: Finished difference Result 3803 states and 5275 transitions. [2022-11-03 04:04:37,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-03 04:04:37,278 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.0) internal successors, (25), 4 states have internal predecessors, (25), 2 states have call successors, (13), 3 states have call predecessors, (13), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 56 [2022-11-03 04:04:37,278 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 04:04:37,305 INFO L225 Difference]: With dead ends: 3803 [2022-11-03 04:04:37,306 INFO L226 Difference]: Without dead ends: 3801 [2022-11-03 04:04:37,309 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-11-03 04:04:37,312 INFO L413 NwaCegarLoop]: 3804 mSDtfsCounter, 3022 mSDsluCounter, 10486 mSDsCounter, 0 mSdLazyCounter, 1867 mSolverCounterSat, 2 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3042 SdHoareTripleChecker+Valid, 12994 SdHoareTripleChecker+Invalid, 1872 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 1867 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.8s IncrementalHoareTripleChecker+Time [2022-11-03 04:04:37,314 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3042 Valid, 12994 Invalid, 1872 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2 Valid, 1867 Invalid, 3 Unknown, 0 Unchecked, 10.8s Time] [2022-11-03 04:04:37,320 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3801 states. [2022-11-03 04:04:37,511 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3801 to 3779. [2022-11-03 04:04:37,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3779 states, 2336 states have (on average 1.300941780821918) internal successors, (3039), 2405 states have internal predecessors, (3039), 1097 states have call successors, (1097), 330 states have call predecessors, (1097), 323 states have return successors, (1114), 1075 states have call predecessors, (1114), 1095 states have call successors, (1114) [2022-11-03 04:04:37,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3779 states to 3779 states and 5250 transitions. [2022-11-03 04:04:37,549 INFO L78 Accepts]: Start accepts. Automaton has 3779 states and 5250 transitions. Word has length 56 [2022-11-03 04:04:37,551 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 04:04:37,551 INFO L495 AbstractCegarLoop]: Abstraction has 3779 states and 5250 transitions. [2022-11-03 04:04:37,551 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.0) internal successors, (25), 4 states have internal predecessors, (25), 2 states have call successors, (13), 3 states have call predecessors, (13), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2022-11-03 04:04:37,551 INFO L276 IsEmpty]: Start isEmpty. Operand 3779 states and 5250 transitions. [2022-11-03 04:04:37,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2022-11-03 04:04:37,554 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 04:04:37,555 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 04:04:37,555 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-03 04:04:37,555 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_linux_block_queue_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 23 more)] === [2022-11-03 04:04:37,556 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 04:04:37,556 INFO L85 PathProgramCache]: Analyzing trace with hash -767909449, now seen corresponding path program 1 times [2022-11-03 04:04:37,557 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 04:04:37,557 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [86230789] [2022-11-03 04:04:37,557 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 04:04:37,557 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 04:04:37,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 04:04:38,013 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-11-03 04:04:38,014 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 04:04:38,014 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [86230789] [2022-11-03 04:04:38,014 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [86230789] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 04:04:38,014 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 04:04:38,015 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-03 04:04:38,015 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2133027672] [2022-11-03 04:04:38,015 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 04:04:38,015 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-03 04:04:38,016 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 04:04:38,016 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-03 04:04:38,016 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-03 04:04:38,017 INFO L87 Difference]: Start difference. First operand 3779 states and 5250 transitions. Second operand has 4 states, 4 states have (on average 6.75) internal successors, (27), 4 states have internal predecessors, (27), 2 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2022-11-03 04:04:40,489 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-03 04:04:42,803 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 04:04:44,580 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.12s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2022-11-03 04:04:46,858 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2022-11-03 04:04:48,013 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 04:04:48,013 INFO L93 Difference]: Finished difference Result 3790 states and 5272 transitions. [2022-11-03 04:04:48,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-03 04:04:48,014 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.75) internal successors, (27), 4 states have internal predecessors, (27), 2 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 57 [2022-11-03 04:04:48,014 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 04:04:48,036 INFO L225 Difference]: With dead ends: 3790 [2022-11-03 04:04:48,036 INFO L226 Difference]: Without dead ends: 3788 [2022-11-03 04:04:48,039 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-03 04:04:48,040 INFO L413 NwaCegarLoop]: 2811 mSDtfsCounter, 3099 mSDsluCounter, 3774 mSDsCounter, 0 mSdLazyCounter, 1031 mSolverCounterSat, 0 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3120 SdHoareTripleChecker+Valid, 6036 SdHoareTripleChecker+Invalid, 1034 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1031 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.7s IncrementalHoareTripleChecker+Time [2022-11-03 04:04:48,040 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3120 Valid, 6036 Invalid, 1034 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1031 Invalid, 3 Unknown, 0 Unchecked, 9.7s Time] [2022-11-03 04:04:48,046 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3788 states. [2022-11-03 04:04:48,255 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3788 to 3782. [2022-11-03 04:04:48,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3782 states, 2338 states have (on average 1.300256629597947) internal successors, (3040), 2408 states have internal predecessors, (3040), 1097 states have call successors, (1097), 330 states have call predecessors, (1097), 325 states have return successors, (1129), 1075 states have call predecessors, (1129), 1095 states have call successors, (1129) [2022-11-03 04:04:48,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3782 states to 3782 states and 5266 transitions. [2022-11-03 04:04:48,281 INFO L78 Accepts]: Start accepts. Automaton has 3782 states and 5266 transitions. Word has length 57 [2022-11-03 04:04:48,282 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 04:04:48,282 INFO L495 AbstractCegarLoop]: Abstraction has 3782 states and 5266 transitions. [2022-11-03 04:04:48,282 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.75) internal successors, (27), 4 states have internal predecessors, (27), 2 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2022-11-03 04:04:48,282 INFO L276 IsEmpty]: Start isEmpty. Operand 3782 states and 5266 transitions. [2022-11-03 04:04:48,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2022-11-03 04:04:48,283 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 04:04:48,284 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 04:04:48,284 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-03 04:04:48,284 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_linux_block_request_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 23 more)] === [2022-11-03 04:04:48,284 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 04:04:48,285 INFO L85 PathProgramCache]: Analyzing trace with hash 421794942, now seen corresponding path program 1 times [2022-11-03 04:04:48,285 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 04:04:48,285 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1666658526] [2022-11-03 04:04:48,285 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 04:04:48,285 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 04:04:48,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 04:04:48,694 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-11-03 04:04:48,694 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 04:04:48,694 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1666658526] [2022-11-03 04:04:48,695 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1666658526] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 04:04:48,695 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 04:04:48,695 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-03 04:04:48,695 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [813015956] [2022-11-03 04:04:48,695 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 04:04:48,697 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-03 04:04:48,697 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 04:04:48,697 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-03 04:04:48,697 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-03 04:04:48,697 INFO L87 Difference]: Start difference. First operand 3782 states and 5266 transitions. Second operand has 4 states, 4 states have (on average 7.5) internal successors, (30), 4 states have internal predecessors, (30), 2 states have call successors, (13), 2 states have call predecessors, (13), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2022-11-03 04:04:51,115 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-03 04:04:53,453 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 04:04:56,766 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2022-11-03 04:04:57,952 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 04:04:57,952 INFO L93 Difference]: Finished difference Result 3788 states and 5270 transitions. [2022-11-03 04:04:57,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-03 04:04:57,952 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 7.5) internal successors, (30), 4 states have internal predecessors, (30), 2 states have call successors, (13), 2 states have call predecessors, (13), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 62 [2022-11-03 04:04:57,953 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 04:04:57,976 INFO L225 Difference]: With dead ends: 3788 [2022-11-03 04:04:57,977 INFO L226 Difference]: Without dead ends: 3786 [2022-11-03 04:04:57,980 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-03 04:04:57,981 INFO L413 NwaCegarLoop]: 2809 mSDtfsCounter, 3096 mSDsluCounter, 3772 mSDsCounter, 0 mSdLazyCounter, 1031 mSolverCounterSat, 0 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3117 SdHoareTripleChecker+Valid, 6032 SdHoareTripleChecker+Invalid, 1034 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1031 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.0s IncrementalHoareTripleChecker+Time [2022-11-03 04:04:57,981 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3117 Valid, 6032 Invalid, 1034 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1031 Invalid, 3 Unknown, 0 Unchecked, 9.0s Time] [2022-11-03 04:04:57,987 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3786 states. [2022-11-03 04:04:58,296 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3786 to 3780. [2022-11-03 04:04:58,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3780 states, 2337 states have (on average 1.2999572100984167) internal successors, (3038), 2406 states have internal predecessors, (3038), 1097 states have call successors, (1097), 330 states have call predecessors, (1097), 325 states have return successors, (1129), 1075 states have call predecessors, (1129), 1095 states have call successors, (1129) [2022-11-03 04:04:58,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3780 states to 3780 states and 5264 transitions. [2022-11-03 04:04:58,348 INFO L78 Accepts]: Start accepts. Automaton has 3780 states and 5264 transitions. Word has length 62 [2022-11-03 04:04:58,348 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 04:04:58,348 INFO L495 AbstractCegarLoop]: Abstraction has 3780 states and 5264 transitions. [2022-11-03 04:04:58,349 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.5) internal successors, (30), 4 states have internal predecessors, (30), 2 states have call successors, (13), 2 states have call predecessors, (13), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2022-11-03 04:04:58,349 INFO L276 IsEmpty]: Start isEmpty. Operand 3780 states and 5264 transitions. [2022-11-03 04:04:58,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2022-11-03 04:04:58,351 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 04:04:58,351 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 04:04:58,351 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-03 04:04:58,352 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 23 more)] === [2022-11-03 04:04:58,352 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 04:04:58,352 INFO L85 PathProgramCache]: Analyzing trace with hash 1715620054, now seen corresponding path program 1 times [2022-11-03 04:04:58,353 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 04:04:58,353 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1203473403] [2022-11-03 04:04:58,353 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 04:04:58,353 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 04:04:58,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 04:04:58,941 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-03 04:04:58,941 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 04:04:58,941 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1203473403] [2022-11-03 04:04:58,941 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1203473403] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 04:04:58,941 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 04:04:58,942 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-03 04:04:58,942 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [774842644] [2022-11-03 04:04:58,942 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 04:04:58,942 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-03 04:04:58,943 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 04:04:58,943 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-03 04:04:58,943 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-03 04:04:58,943 INFO L87 Difference]: Start difference. First operand 3780 states and 5264 transitions. Second operand has 5 states, 5 states have (on average 6.4) internal successors, (32), 4 states have internal predecessors, (32), 2 states have call successors, (15), 3 states have call predecessors, (15), 2 states have return successors, (12), 2 states have call predecessors, (12), 1 states have call successors, (12) [2022-11-03 04:05:01,782 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-03 04:05:04,169 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 04:05:07,943 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2022-11-03 04:05:10,079 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.14s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2022-11-03 04:05:12,216 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.14s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2022-11-03 04:05:14,704 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2022-11-03 04:05:16,842 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.14s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2022-11-03 04:05:18,985 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.14s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2022-11-03 04:05:21,067 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 04:05:21,067 INFO L93 Difference]: Finished difference Result 3868 states and 5375 transitions. [2022-11-03 04:05:21,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-03 04:05:21,068 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.4) internal successors, (32), 4 states have internal predecessors, (32), 2 states have call successors, (15), 3 states have call predecessors, (15), 2 states have return successors, (12), 2 states have call predecessors, (12), 1 states have call successors, (12) Word has length 67 [2022-11-03 04:05:21,069 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 04:05:21,091 INFO L225 Difference]: With dead ends: 3868 [2022-11-03 04:05:21,091 INFO L226 Difference]: Without dead ends: 3866 [2022-11-03 04:05:21,094 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-11-03 04:05:21,095 INFO L413 NwaCegarLoop]: 3435 mSDtfsCounter, 1688 mSDsluCounter, 11129 mSDsCounter, 0 mSdLazyCounter, 2174 mSolverCounterSat, 0 mSolverCounterUnsat, 8 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 20.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1696 SdHoareTripleChecker+Valid, 12963 SdHoareTripleChecker+Invalid, 2182 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2174 IncrementalHoareTripleChecker+Invalid, 8 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 21.7s IncrementalHoareTripleChecker+Time [2022-11-03 04:05:21,095 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1696 Valid, 12963 Invalid, 2182 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2174 Invalid, 8 Unknown, 0 Unchecked, 21.7s Time] [2022-11-03 04:05:21,101 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3866 states. [2022-11-03 04:05:21,324 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3866 to 3835. [2022-11-03 04:05:21,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3835 states, 2373 states have (on average 1.3017277707543193) internal successors, (3089), 2441 states have internal predecessors, (3089), 1109 states have call successors, (1109), 339 states have call predecessors, (1109), 332 states have return successors, (1117), 1086 states have call predecessors, (1117), 1107 states have call successors, (1117) [2022-11-03 04:05:21,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3835 states to 3835 states and 5315 transitions. [2022-11-03 04:05:21,347 INFO L78 Accepts]: Start accepts. Automaton has 3835 states and 5315 transitions. Word has length 67 [2022-11-03 04:05:21,347 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 04:05:21,347 INFO L495 AbstractCegarLoop]: Abstraction has 3835 states and 5315 transitions. [2022-11-03 04:05:21,347 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.4) internal successors, (32), 4 states have internal predecessors, (32), 2 states have call successors, (15), 3 states have call predecessors, (15), 2 states have return successors, (12), 2 states have call predecessors, (12), 1 states have call successors, (12) [2022-11-03 04:05:21,348 INFO L276 IsEmpty]: Start isEmpty. Operand 3835 states and 5315 transitions. [2022-11-03 04:05:21,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2022-11-03 04:05:21,349 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 04:05:21,349 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 04:05:21,350 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-03 04:05:21,350 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_linux_drivers_base_class_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 23 more)] === [2022-11-03 04:05:21,350 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 04:05:21,351 INFO L85 PathProgramCache]: Analyzing trace with hash -1314807788, now seen corresponding path program 1 times [2022-11-03 04:05:21,351 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 04:05:21,351 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1788735285] [2022-11-03 04:05:21,351 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 04:05:21,351 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 04:05:21,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 04:05:21,713 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-11-03 04:05:21,713 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 04:05:21,713 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1788735285] [2022-11-03 04:05:21,714 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1788735285] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 04:05:21,714 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 04:05:21,714 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-03 04:05:21,714 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [779829037] [2022-11-03 04:05:21,714 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 04:05:21,715 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-03 04:05:21,715 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 04:05:21,715 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-03 04:05:21,716 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-03 04:05:21,717 INFO L87 Difference]: Start difference. First operand 3835 states and 5315 transitions. Second operand has 4 states, 4 states have (on average 8.25) internal successors, (33), 4 states have internal predecessors, (33), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2022-11-03 04:05:24,191 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-03 04:05:26,484 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 04:05:29,613 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2022-11-03 04:05:30,876 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 04:05:30,876 INFO L93 Difference]: Finished difference Result 3841 states and 5319 transitions. [2022-11-03 04:05:30,877 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-03 04:05:30,877 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.25) internal successors, (33), 4 states have internal predecessors, (33), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 67 [2022-11-03 04:05:30,877 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 04:05:30,897 INFO L225 Difference]: With dead ends: 3841 [2022-11-03 04:05:30,898 INFO L226 Difference]: Without dead ends: 3839 [2022-11-03 04:05:30,900 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-03 04:05:30,901 INFO L413 NwaCegarLoop]: 2810 mSDtfsCounter, 3114 mSDsluCounter, 3737 mSDsCounter, 0 mSdLazyCounter, 1033 mSolverCounterSat, 0 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3123 SdHoareTripleChecker+Valid, 5999 SdHoareTripleChecker+Invalid, 1036 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1033 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.9s IncrementalHoareTripleChecker+Time [2022-11-03 04:05:30,901 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3123 Valid, 5999 Invalid, 1036 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1033 Invalid, 3 Unknown, 0 Unchecked, 8.9s Time] [2022-11-03 04:05:30,907 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3839 states. [2022-11-03 04:05:31,150 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3839 to 3833. [2022-11-03 04:05:31,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3833 states, 2372 states have (on average 1.3014333895446881) internal successors, (3087), 2439 states have internal predecessors, (3087), 1109 states have call successors, (1109), 339 states have call predecessors, (1109), 332 states have return successors, (1117), 1086 states have call predecessors, (1117), 1107 states have call successors, (1117) [2022-11-03 04:05:31,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3833 states to 3833 states and 5313 transitions. [2022-11-03 04:05:31,174 INFO L78 Accepts]: Start accepts. Automaton has 3833 states and 5313 transitions. Word has length 67 [2022-11-03 04:05:31,174 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 04:05:31,174 INFO L495 AbstractCegarLoop]: Abstraction has 3833 states and 5313 transitions. [2022-11-03 04:05:31,175 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.25) internal successors, (33), 4 states have internal predecessors, (33), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2022-11-03 04:05:31,175 INFO L276 IsEmpty]: Start isEmpty. Operand 3833 states and 5313 transitions. [2022-11-03 04:05:31,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2022-11-03 04:05:31,176 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 04:05:31,176 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 04:05:31,177 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-03 04:05:31,177 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_linux_fs_char_dev_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 23 more)] === [2022-11-03 04:05:31,177 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 04:05:31,177 INFO L85 PathProgramCache]: Analyzing trace with hash -1928460163, now seen corresponding path program 1 times [2022-11-03 04:05:31,178 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 04:05:31,178 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [393123682] [2022-11-03 04:05:31,178 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 04:05:31,178 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 04:05:31,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 04:05:31,542 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-11-03 04:05:31,542 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 04:05:31,543 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [393123682] [2022-11-03 04:05:31,543 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [393123682] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 04:05:31,543 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 04:05:31,543 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-03 04:05:31,543 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [967142394] [2022-11-03 04:05:31,544 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 04:05:31,544 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-03 04:05:31,545 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 04:05:31,545 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-03 04:05:31,545 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-03 04:05:31,546 INFO L87 Difference]: Start difference. First operand 3833 states and 5313 transitions. Second operand has 4 states, 4 states have (on average 9.0) internal successors, (36), 4 states have internal predecessors, (36), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2022-11-03 04:05:34,043 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-03 04:05:36,363 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 04:05:39,087 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2022-11-03 04:05:41,244 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2022-11-03 04:05:42,474 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 04:05:42,474 INFO L93 Difference]: Finished difference Result 3845 states and 5345 transitions. [2022-11-03 04:05:42,475 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-03 04:05:42,475 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.0) internal successors, (36), 4 states have internal predecessors, (36), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 72 [2022-11-03 04:05:42,475 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 04:05:42,495 INFO L225 Difference]: With dead ends: 3845 [2022-11-03 04:05:42,496 INFO L226 Difference]: Without dead ends: 3843 [2022-11-03 04:05:42,499 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-03 04:05:42,499 INFO L413 NwaCegarLoop]: 2813 mSDtfsCounter, 3087 mSDsluCounter, 3778 mSDsCounter, 0 mSdLazyCounter, 1035 mSolverCounterSat, 0 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3110 SdHoareTripleChecker+Valid, 6040 SdHoareTripleChecker+Invalid, 1039 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1035 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.6s IncrementalHoareTripleChecker+Time [2022-11-03 04:05:42,500 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3110 Valid, 6040 Invalid, 1039 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1035 Invalid, 4 Unknown, 0 Unchecked, 10.6s Time] [2022-11-03 04:05:42,506 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3843 states. [2022-11-03 04:05:42,779 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3843 to 3831. [2022-11-03 04:05:42,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3831 states, 2371 states have (on average 1.3011387600168705) internal successors, (3085), 2437 states have internal predecessors, (3085), 1109 states have call successors, (1109), 339 states have call predecessors, (1109), 332 states have return successors, (1117), 1086 states have call predecessors, (1117), 1107 states have call successors, (1117) [2022-11-03 04:05:42,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3831 states to 3831 states and 5311 transitions. [2022-11-03 04:05:42,811 INFO L78 Accepts]: Start accepts. Automaton has 3831 states and 5311 transitions. Word has length 72 [2022-11-03 04:05:42,813 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 04:05:42,813 INFO L495 AbstractCegarLoop]: Abstraction has 3831 states and 5311 transitions. [2022-11-03 04:05:42,813 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.0) internal successors, (36), 4 states have internal predecessors, (36), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2022-11-03 04:05:42,813 INFO L276 IsEmpty]: Start isEmpty. Operand 3831 states and 5311 transitions. [2022-11-03 04:05:42,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2022-11-03 04:05:42,821 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 04:05:42,821 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 04:05:42,821 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-03 04:05:42,822 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 23 more)] === [2022-11-03 04:05:42,822 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 04:05:42,822 INFO L85 PathProgramCache]: Analyzing trace with hash 86361178, now seen corresponding path program 1 times [2022-11-03 04:05:42,823 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 04:05:42,823 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1445916007] [2022-11-03 04:05:42,823 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 04:05:42,823 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 04:05:42,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 04:05:43,452 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2022-11-03 04:05:43,453 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 04:05:43,453 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1445916007] [2022-11-03 04:05:43,453 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1445916007] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 04:05:43,453 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 04:05:43,453 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-03 04:05:43,453 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1855759644] [2022-11-03 04:05:43,453 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 04:05:43,454 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-03 04:05:43,454 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 04:05:43,454 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-03 04:05:43,454 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-03 04:05:43,455 INFO L87 Difference]: Start difference. First operand 3831 states and 5311 transitions. Second operand has 4 states, 4 states have (on average 9.25) internal successors, (37), 4 states have internal predecessors, (37), 2 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2022-11-03 04:05:46,203 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-03 04:05:48,549 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 04:05:51,778 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2022-11-03 04:05:53,394 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 04:05:53,394 INFO L93 Difference]: Finished difference Result 7650 states and 10616 transitions. [2022-11-03 04:05:53,394 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-03 04:05:53,395 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.25) internal successors, (37), 4 states have internal predecessors, (37), 2 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 86 [2022-11-03 04:05:53,395 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 04:05:53,414 INFO L225 Difference]: With dead ends: 7650 [2022-11-03 04:05:53,414 INFO L226 Difference]: Without dead ends: 3835 [2022-11-03 04:05:53,433 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-03 04:05:53,434 INFO L413 NwaCegarLoop]: 2722 mSDtfsCounter, 5 mSDsluCounter, 6396 mSDsCounter, 0 mSdLazyCounter, 1442 mSolverCounterSat, 0 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 8163 SdHoareTripleChecker+Invalid, 1445 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1442 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.6s IncrementalHoareTripleChecker+Time [2022-11-03 04:05:53,434 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 8163 Invalid, 1445 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1442 Invalid, 3 Unknown, 0 Unchecked, 9.6s Time] [2022-11-03 04:05:53,440 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3835 states. [2022-11-03 04:05:53,743 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3835 to 3833. [2022-11-03 04:05:53,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3833 states, 2373 states have (on average 1.3008849557522124) internal successors, (3087), 2439 states have internal predecessors, (3087), 1109 states have call successors, (1109), 339 states have call predecessors, (1109), 332 states have return successors, (1117), 1086 states have call predecessors, (1117), 1107 states have call successors, (1117) [2022-11-03 04:05:53,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3833 states to 3833 states and 5313 transitions. [2022-11-03 04:05:53,765 INFO L78 Accepts]: Start accepts. Automaton has 3833 states and 5313 transitions. Word has length 86 [2022-11-03 04:05:53,766 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 04:05:53,766 INFO L495 AbstractCegarLoop]: Abstraction has 3833 states and 5313 transitions. [2022-11-03 04:05:53,766 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.25) internal successors, (37), 4 states have internal predecessors, (37), 2 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2022-11-03 04:05:53,766 INFO L276 IsEmpty]: Start isEmpty. Operand 3833 states and 5313 transitions. [2022-11-03 04:05:53,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2022-11-03 04:05:53,769 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 04:05:53,770 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 04:05:53,770 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-11-03 04:05:53,771 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 23 more)] === [2022-11-03 04:05:53,771 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 04:05:53,771 INFO L85 PathProgramCache]: Analyzing trace with hash -601619581, now seen corresponding path program 1 times [2022-11-03 04:05:53,771 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 04:05:53,772 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1109521614] [2022-11-03 04:05:53,772 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 04:05:53,772 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 04:05:53,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 04:05:54,142 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-11-03 04:05:54,143 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 04:05:54,143 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1109521614] [2022-11-03 04:05:54,143 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1109521614] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 04:05:54,143 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 04:05:54,143 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-03 04:05:54,144 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1803012575] [2022-11-03 04:05:54,144 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 04:05:54,144 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-03 04:05:54,144 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 04:05:54,145 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-03 04:05:54,145 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-03 04:05:54,145 INFO L87 Difference]: Start difference. First operand 3833 states and 5313 transitions. Second operand has 4 states, 4 states have (on average 9.75) internal successors, (39), 4 states have internal predecessors, (39), 2 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2022-11-03 04:05:56,633 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-03 04:05:58,917 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 04:06:01,737 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2022-11-03 04:06:03,903 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2022-11-03 04:06:05,163 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 04:06:05,163 INFO L93 Difference]: Finished difference Result 3845 states and 5345 transitions. [2022-11-03 04:06:05,163 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-03 04:06:05,164 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.75) internal successors, (39), 4 states have internal predecessors, (39), 2 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 77 [2022-11-03 04:06:05,164 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 04:06:05,185 INFO L225 Difference]: With dead ends: 3845 [2022-11-03 04:06:05,186 INFO L226 Difference]: Without dead ends: 3843 [2022-11-03 04:06:05,187 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-03 04:06:05,188 INFO L413 NwaCegarLoop]: 2811 mSDtfsCounter, 3087 mSDsluCounter, 3777 mSDsCounter, 0 mSdLazyCounter, 1036 mSolverCounterSat, 0 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3108 SdHoareTripleChecker+Valid, 6036 SdHoareTripleChecker+Invalid, 1040 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1036 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.7s IncrementalHoareTripleChecker+Time [2022-11-03 04:06:05,189 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3108 Valid, 6036 Invalid, 1040 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1036 Invalid, 4 Unknown, 0 Unchecked, 10.7s Time] [2022-11-03 04:06:05,195 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3843 states. [2022-11-03 04:06:05,468 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3843 to 3831. [2022-11-03 04:06:05,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3831 states, 2372 states have (on average 1.3005902192242833) internal successors, (3085), 2437 states have internal predecessors, (3085), 1109 states have call successors, (1109), 339 states have call predecessors, (1109), 332 states have return successors, (1117), 1086 states have call predecessors, (1117), 1107 states have call successors, (1117) [2022-11-03 04:06:05,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3831 states to 3831 states and 5311 transitions. [2022-11-03 04:06:05,491 INFO L78 Accepts]: Start accepts. Automaton has 3831 states and 5311 transitions. Word has length 77 [2022-11-03 04:06:05,492 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 04:06:05,492 INFO L495 AbstractCegarLoop]: Abstraction has 3831 states and 5311 transitions. [2022-11-03 04:06:05,492 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.75) internal successors, (39), 4 states have internal predecessors, (39), 2 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2022-11-03 04:06:05,492 INFO L276 IsEmpty]: Start isEmpty. Operand 3831 states and 5311 transitions. [2022-11-03 04:06:05,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2022-11-03 04:06:05,494 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 04:06:05,494 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 04:06:05,494 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-11-03 04:06:05,494 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 23 more)] === [2022-11-03 04:06:05,495 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 04:06:05,495 INFO L85 PathProgramCache]: Analyzing trace with hash -1796826134, now seen corresponding path program 1 times [2022-11-03 04:06:05,495 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 04:06:05,496 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1676562847] [2022-11-03 04:06:05,496 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 04:06:05,496 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 04:06:05,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 04:06:06,161 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2022-11-03 04:06:06,162 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 04:06:06,162 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1676562847] [2022-11-03 04:06:06,162 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1676562847] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 04:06:06,162 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 04:06:06,162 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-03 04:06:06,162 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1730856470] [2022-11-03 04:06:06,163 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 04:06:06,163 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-03 04:06:06,163 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 04:06:06,164 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-03 04:06:06,164 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-03 04:06:06,164 INFO L87 Difference]: Start difference. First operand 3831 states and 5311 transitions. Second operand has 4 states, 4 states have (on average 9.75) internal successors, (39), 4 states have internal predecessors, (39), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2022-11-03 04:06:08,974 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-03 04:06:11,334 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 04:06:13,903 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2022-11-03 04:06:16,073 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.17s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2022-11-03 04:06:18,406 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2022-11-03 04:06:20,081 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 04:06:20,081 INFO L93 Difference]: Finished difference Result 7652 states and 10618 transitions. [2022-11-03 04:06:20,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-03 04:06:20,082 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.75) internal successors, (39), 4 states have internal predecessors, (39), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 90 [2022-11-03 04:06:20,082 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 04:06:20,101 INFO L225 Difference]: With dead ends: 7652 [2022-11-03 04:06:20,101 INFO L226 Difference]: Without dead ends: 3837 [2022-11-03 04:06:20,119 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-03 04:06:20,120 INFO L413 NwaCegarLoop]: 2719 mSDtfsCounter, 10 mSDsluCounter, 6388 mSDsCounter, 0 mSdLazyCounter, 1444 mSolverCounterSat, 0 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 8150 SdHoareTripleChecker+Invalid, 1449 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1444 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.5s IncrementalHoareTripleChecker+Time [2022-11-03 04:06:20,120 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 8150 Invalid, 1449 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1444 Invalid, 5 Unknown, 0 Unchecked, 13.5s Time] [2022-11-03 04:06:20,126 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3837 states. [2022-11-03 04:06:20,479 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3837 to 3833. [2022-11-03 04:06:20,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3833 states, 2374 states have (on average 1.3003369839932604) internal successors, (3087), 2439 states have internal predecessors, (3087), 1109 states have call successors, (1109), 339 states have call predecessors, (1109), 332 states have return successors, (1117), 1086 states have call predecessors, (1117), 1107 states have call successors, (1117) [2022-11-03 04:06:20,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3833 states to 3833 states and 5313 transitions. [2022-11-03 04:06:20,501 INFO L78 Accepts]: Start accepts. Automaton has 3833 states and 5313 transitions. Word has length 90 [2022-11-03 04:06:20,501 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 04:06:20,502 INFO L495 AbstractCegarLoop]: Abstraction has 3833 states and 5313 transitions. [2022-11-03 04:06:20,502 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.75) internal successors, (39), 4 states have internal predecessors, (39), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2022-11-03 04:06:20,502 INFO L276 IsEmpty]: Start isEmpty. Operand 3833 states and 5313 transitions. [2022-11-03 04:06:20,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2022-11-03 04:06:20,503 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 04:06:20,504 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 04:06:20,504 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-11-03 04:06:20,504 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_linux_kernel_locking_rwlock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 23 more)] === [2022-11-03 04:06:20,505 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 04:06:20,505 INFO L85 PathProgramCache]: Analyzing trace with hash 1592968744, now seen corresponding path program 1 times [2022-11-03 04:06:20,505 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 04:06:20,505 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2103776741] [2022-11-03 04:06:20,505 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 04:06:20,506 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 04:06:20,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 04:06:20,865 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-11-03 04:06:20,865 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 04:06:20,866 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2103776741] [2022-11-03 04:06:20,866 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2103776741] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 04:06:20,866 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 04:06:20,866 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-03 04:06:20,866 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1509647516] [2022-11-03 04:06:20,866 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 04:06:20,867 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-03 04:06:20,867 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 04:06:20,878 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-03 04:06:20,879 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-03 04:06:20,879 INFO L87 Difference]: Start difference. First operand 3833 states and 5313 transitions. Second operand has 4 states, 4 states have (on average 10.5) internal successors, (42), 4 states have internal predecessors, (42), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2022-11-03 04:06:23,339 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-03 04:06:25,639 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 04:06:29,010 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2022-11-03 04:06:30,364 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 04:06:30,364 INFO L93 Difference]: Finished difference Result 3845 states and 5345 transitions. [2022-11-03 04:06:30,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-03 04:06:30,365 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.5) internal successors, (42), 4 states have internal predecessors, (42), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 82 [2022-11-03 04:06:30,366 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 04:06:30,380 INFO L225 Difference]: With dead ends: 3845 [2022-11-03 04:06:30,380 INFO L226 Difference]: Without dead ends: 3843 [2022-11-03 04:06:30,382 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-03 04:06:30,383 INFO L413 NwaCegarLoop]: 2809 mSDtfsCounter, 3088 mSDsluCounter, 3771 mSDsCounter, 0 mSdLazyCounter, 1037 mSolverCounterSat, 0 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3109 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, 9.1s IncrementalHoareTripleChecker+Time [2022-11-03 04:06:30,383 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3109 Valid, 6028 Invalid, 1040 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1037 Invalid, 3 Unknown, 0 Unchecked, 9.1s Time] [2022-11-03 04:06:30,388 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3843 states. [2022-11-03 04:06:30,671 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3843 to 3831. [2022-11-03 04:06:30,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3831 states, 2373 states have (on average 1.3000421407501053) internal successors, (3085), 2437 states have internal predecessors, (3085), 1109 states have call successors, (1109), 339 states have call predecessors, (1109), 332 states have return successors, (1117), 1086 states have call predecessors, (1117), 1107 states have call successors, (1117) [2022-11-03 04:06:30,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3831 states to 3831 states and 5311 transitions. [2022-11-03 04:06:30,694 INFO L78 Accepts]: Start accepts. Automaton has 3831 states and 5311 transitions. Word has length 82 [2022-11-03 04:06:30,695 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 04:06:30,695 INFO L495 AbstractCegarLoop]: Abstraction has 3831 states and 5311 transitions. [2022-11-03 04:06:30,695 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.5) internal successors, (42), 4 states have internal predecessors, (42), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2022-11-03 04:06:30,696 INFO L276 IsEmpty]: Start isEmpty. Operand 3831 states and 5311 transitions. [2022-11-03 04:06:30,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2022-11-03 04:06:30,697 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 04:06:30,697 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 04:06:30,698 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-11-03 04:06:30,698 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_linux_kernel_locking_rwlock_check_final_stateErr1ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 23 more)] === [2022-11-03 04:06:30,698 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 04:06:30,699 INFO L85 PathProgramCache]: Analyzing trace with hash 1834752011, now seen corresponding path program 1 times [2022-11-03 04:06:30,699 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 04:06:30,699 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1020861208] [2022-11-03 04:06:30,699 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 04:06:30,699 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 04:06:30,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 04:06:31,030 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-11-03 04:06:31,030 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 04:06:31,031 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1020861208] [2022-11-03 04:06:31,031 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1020861208] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 04:06:31,031 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 04:06:31,031 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-03 04:06:31,031 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1406790963] [2022-11-03 04:06:31,032 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 04:06:31,032 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-03 04:06:31,032 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 04:06:31,033 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-03 04:06:31,033 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-03 04:06:31,033 INFO L87 Difference]: Start difference. First operand 3831 states and 5311 transitions. Second operand has 4 states, 4 states have (on average 11.0) internal successors, (44), 4 states have internal predecessors, (44), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2022-11-03 04:06:34,198 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-03 04:06:36,494 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 04:06:38,441 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.38s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2022-11-03 04:06:40,561 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2022-11-03 04:06:41,876 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 04:06:41,876 INFO L93 Difference]: Finished difference Result 3839 states and 5341 transitions. [2022-11-03 04:06:41,877 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-03 04:06:41,877 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.0) internal successors, (44), 4 states have internal predecessors, (44), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 84 [2022-11-03 04:06:41,878 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 04:06:41,896 INFO L225 Difference]: With dead ends: 3839 [2022-11-03 04:06:41,896 INFO L226 Difference]: Without dead ends: 3837 [2022-11-03 04:06:41,899 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-03 04:06:41,900 INFO L413 NwaCegarLoop]: 2728 mSDtfsCounter, 3144 mSDsluCounter, 3296 mSDsCounter, 0 mSdLazyCounter, 975 mSolverCounterSat, 0 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3162 SdHoareTripleChecker+Valid, 5530 SdHoareTripleChecker+Invalid, 978 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 975 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.5s IncrementalHoareTripleChecker+Time [2022-11-03 04:06:41,900 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3162 Valid, 5530 Invalid, 978 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 975 Invalid, 3 Unknown, 0 Unchecked, 10.5s Time] [2022-11-03 04:06:41,906 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3837 states. [2022-11-03 04:06:42,270 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3837 to 3829. [2022-11-03 04:06:42,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3829 states, 2372 states have (on average 1.2997470489038785) internal successors, (3083), 2435 states have internal predecessors, (3083), 1109 states have call successors, (1109), 339 states have call predecessors, (1109), 332 states have return successors, (1117), 1086 states have call predecessors, (1117), 1107 states have call successors, (1117) [2022-11-03 04:06:42,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3829 states to 3829 states and 5309 transitions. [2022-11-03 04:06:42,292 INFO L78 Accepts]: Start accepts. Automaton has 3829 states and 5309 transitions. Word has length 84 [2022-11-03 04:06:42,292 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 04:06:42,292 INFO L495 AbstractCegarLoop]: Abstraction has 3829 states and 5309 transitions. [2022-11-03 04:06:42,293 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.0) internal successors, (44), 4 states have internal predecessors, (44), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2022-11-03 04:06:42,293 INFO L276 IsEmpty]: Start isEmpty. Operand 3829 states and 5309 transitions. [2022-11-03 04:06:42,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2022-11-03 04:06:42,295 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 04:06:42,295 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 04:06:42,295 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-11-03 04:06:42,295 INFO L420 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)] === [2022-11-03 04:06:42,296 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 04:06:42,296 INFO L85 PathProgramCache]: Analyzing trace with hash 1533192365, now seen corresponding path program 1 times [2022-11-03 04:06:42,296 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 04:06:42,296 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [853060181] [2022-11-03 04:06:42,297 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 04:06:42,297 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 04:06:42,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 04:06:42,651 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-11-03 04:06:42,651 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 04:06:42,652 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [853060181] [2022-11-03 04:06:42,652 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [853060181] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 04:06:42,652 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 04:06:42,652 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-03 04:06:42,653 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [455201039] [2022-11-03 04:06:42,653 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 04:06:42,653 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-03 04:06:42,654 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 04:06:42,654 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-03 04:06:42,654 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-03 04:06:42,655 INFO L87 Difference]: Start difference. First operand 3829 states and 5309 transitions. Second operand has 4 states, 4 states have (on average 11.75) internal successors, (47), 4 states have internal predecessors, (47), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2022-11-03 04:06:45,196 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-03 04:06:47,501 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 04:06:50,321 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2022-11-03 04:06:51,658 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 04:06:51,658 INFO L93 Difference]: Finished difference Result 3841 states and 5341 transitions. [2022-11-03 04:06:51,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-03 04:06:51,659 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.75) internal successors, (47), 4 states have internal predecessors, (47), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 89 [2022-11-03 04:06:51,659 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 04:06:51,674 INFO L225 Difference]: With dead ends: 3841 [2022-11-03 04:06:51,675 INFO L226 Difference]: Without dead ends: 3839 [2022-11-03 04:06:51,676 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-03 04:06:51,677 INFO L413 NwaCegarLoop]: 2805 mSDtfsCounter, 3079 mSDsluCounter, 3771 mSDsCounter, 0 mSdLazyCounter, 1037 mSolverCounterSat, 0 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3100 SdHoareTripleChecker+Valid, 6024 SdHoareTripleChecker+Invalid, 1040 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1037 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.6s IncrementalHoareTripleChecker+Time [2022-11-03 04:06:51,677 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3100 Valid, 6024 Invalid, 1040 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1037 Invalid, 3 Unknown, 0 Unchecked, 8.6s Time] [2022-11-03 04:06:51,682 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3839 states. [2022-11-03 04:06:52,008 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3839 to 3827. [2022-11-03 04:06:52,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3827 states, 2371 states have (on average 1.2994517081400252) internal successors, (3081), 2433 states have internal predecessors, (3081), 1109 states have call successors, (1109), 339 states have call predecessors, (1109), 332 states have return successors, (1117), 1086 states have call predecessors, (1117), 1107 states have call successors, (1117) [2022-11-03 04:06:52,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3827 states to 3827 states and 5307 transitions. [2022-11-03 04:06:52,029 INFO L78 Accepts]: Start accepts. Automaton has 3827 states and 5307 transitions. Word has length 89 [2022-11-03 04:06:52,030 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 04:06:52,030 INFO L495 AbstractCegarLoop]: Abstraction has 3827 states and 5307 transitions. [2022-11-03 04:06:52,030 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.75) internal successors, (47), 4 states have internal predecessors, (47), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2022-11-03 04:06:52,030 INFO L276 IsEmpty]: Start isEmpty. Operand 3827 states and 5307 transitions. [2022-11-03 04:06:52,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2022-11-03 04:06:52,032 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 04:06:52,032 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 04:06:52,032 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-11-03 04:06:52,033 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 23 more)] === [2022-11-03 04:06:52,033 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 04:06:52,033 INFO L85 PathProgramCache]: Analyzing trace with hash 1618517989, now seen corresponding path program 1 times [2022-11-03 04:06:52,033 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 04:06:52,033 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1930412742] [2022-11-03 04:06:52,034 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 04:06:52,034 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 04:06:52,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 04:06:52,965 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2022-11-03 04:06:52,965 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 04:06:52,965 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1930412742] [2022-11-03 04:06:52,965 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1930412742] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 04:06:52,965 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 04:06:52,966 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-03 04:06:52,966 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [17000111] [2022-11-03 04:06:52,966 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 04:06:52,966 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-03 04:06:52,966 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 04:06:52,967 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-03 04:06:52,967 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-03 04:06:52,967 INFO L87 Difference]: Start difference. First operand 3827 states and 5307 transitions. Second operand has 6 states, 6 states have (on average 7.333333333333333) internal successors, (44), 5 states have internal predecessors, (44), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (15), 3 states have call predecessors, (15), 2 states have call successors, (15) [2022-11-03 04:06:56,130 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-03 04:06:58,600 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 04:07:01,640 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2022-11-03 04:07:04,278 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 04:07:04,279 INFO L93 Difference]: Finished difference Result 7651 states and 10625 transitions. [2022-11-03 04:07:04,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-03 04:07:04,279 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.333333333333333) internal successors, (44), 5 states have internal predecessors, (44), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (15), 3 states have call predecessors, (15), 2 states have call successors, (15) Word has length 100 [2022-11-03 04:07:04,279 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 04:07:04,293 INFO L225 Difference]: With dead ends: 7651 [2022-11-03 04:07:04,293 INFO L226 Difference]: Without dead ends: 3840 [2022-11-03 04:07:04,306 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2022-11-03 04:07:04,307 INFO L413 NwaCegarLoop]: 2714 mSDtfsCounter, 11 mSDsluCounter, 12753 mSDsCounter, 0 mSdLazyCounter, 2415 mSolverCounterSat, 1 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 13555 SdHoareTripleChecker+Invalid, 2419 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 2415 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.8s IncrementalHoareTripleChecker+Time [2022-11-03 04:07:04,307 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 13555 Invalid, 2419 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 2415 Invalid, 3 Unknown, 0 Unchecked, 10.8s Time] [2022-11-03 04:07:04,312 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3840 states. [2022-11-03 04:07:04,645 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3840 to 3830. [2022-11-03 04:07:04,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3830 states, 2373 states have (on average 1.2991993257479983) internal successors, (3083), 2435 states have internal predecessors, (3083), 1109 states have call successors, (1109), 339 states have call predecessors, (1109), 333 states have return successors, (1121), 1087 states have call predecessors, (1121), 1107 states have call successors, (1121) [2022-11-03 04:07:04,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3830 states to 3830 states and 5313 transitions. [2022-11-03 04:07:04,668 INFO L78 Accepts]: Start accepts. Automaton has 3830 states and 5313 transitions. Word has length 100 [2022-11-03 04:07:04,669 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 04:07:04,669 INFO L495 AbstractCegarLoop]: Abstraction has 3830 states and 5313 transitions. [2022-11-03 04:07:04,669 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.333333333333333) internal successors, (44), 5 states have internal predecessors, (44), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (15), 3 states have call predecessors, (15), 2 states have call successors, (15) [2022-11-03 04:07:04,669 INFO L276 IsEmpty]: Start isEmpty. Operand 3830 states and 5313 transitions. [2022-11-03 04:07:04,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2022-11-03 04:07:04,671 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 04:07:04,671 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 04:07:04,671 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-11-03 04:07:04,672 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ldv_linux_kernel_rcu_update_lock_bh_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 23 more)] === [2022-11-03 04:07:04,672 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 04:07:04,672 INFO L85 PathProgramCache]: Analyzing trace with hash 633819718, now seen corresponding path program 1 times [2022-11-03 04:07:04,672 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 04:07:04,673 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [447314745] [2022-11-03 04:07:04,673 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 04:07:04,673 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 04:07:04,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 04:07:05,061 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-11-03 04:07:05,062 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 04:07:05,062 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [447314745] [2022-11-03 04:07:05,064 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [447314745] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 04:07:05,065 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 04:07:05,065 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-03 04:07:05,065 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [875250187] [2022-11-03 04:07:05,065 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 04:07:05,066 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-03 04:07:05,066 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 04:07:05,067 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-03 04:07:05,067 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-03 04:07:05,067 INFO L87 Difference]: Start difference. First operand 3830 states and 5313 transitions. Second operand has 4 states, 4 states have (on average 12.5) internal successors, (50), 4 states have internal predecessors, (50), 2 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2022-11-03 04:07:07,633 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-03 04:07:09,933 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 04:07:12,794 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2022-11-03 04:07:14,089 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 04:07:14,089 INFO L93 Difference]: Finished difference Result 3836 states and 5317 transitions. [2022-11-03 04:07:14,090 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-03 04:07:14,090 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.5) internal successors, (50), 4 states have internal predecessors, (50), 2 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 94 [2022-11-03 04:07:14,091 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 04:07:14,106 INFO L225 Difference]: With dead ends: 3836 [2022-11-03 04:07:14,107 INFO L226 Difference]: Without dead ends: 3834 [2022-11-03 04:07:14,110 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-03 04:07:14,111 INFO L413 NwaCegarLoop]: 2798 mSDtfsCounter, 3094 mSDsluCounter, 3724 mSDsCounter, 0 mSdLazyCounter, 1032 mSolverCounterSat, 0 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3105 SdHoareTripleChecker+Valid, 5975 SdHoareTripleChecker+Invalid, 1035 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1032 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.6s IncrementalHoareTripleChecker+Time [2022-11-03 04:07:14,111 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3105 Valid, 5975 Invalid, 1035 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1032 Invalid, 3 Unknown, 0 Unchecked, 8.6s Time] [2022-11-03 04:07:14,117 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3834 states. [2022-11-03 04:07:14,522 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3834 to 3828. [2022-11-03 04:07:14,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3828 states, 2372 states have (on average 1.298903878583474) internal successors, (3081), 2433 states have internal predecessors, (3081), 1109 states have call successors, (1109), 339 states have call predecessors, (1109), 333 states have return successors, (1121), 1087 states have call predecessors, (1121), 1107 states have call successors, (1121) [2022-11-03 04:07:14,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3828 states to 3828 states and 5311 transitions. [2022-11-03 04:07:14,546 INFO L78 Accepts]: Start accepts. Automaton has 3828 states and 5311 transitions. Word has length 94 [2022-11-03 04:07:14,546 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 04:07:14,546 INFO L495 AbstractCegarLoop]: Abstraction has 3828 states and 5311 transitions. [2022-11-03 04:07:14,546 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.5) internal successors, (50), 4 states have internal predecessors, (50), 2 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2022-11-03 04:07:14,547 INFO L276 IsEmpty]: Start isEmpty. Operand 3828 states and 5311 transitions. [2022-11-03 04:07:14,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2022-11-03 04:07:14,549 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 04:07:14,549 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 04:07:14,549 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-11-03 04:07:14,550 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ldv_linux_kernel_rcu_update_lock_sched_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 23 more)] === [2022-11-03 04:07:14,550 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 04:07:14,550 INFO L85 PathProgramCache]: Analyzing trace with hash 598357938, now seen corresponding path program 1 times [2022-11-03 04:07:14,550 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 04:07:14,551 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [213067080] [2022-11-03 04:07:14,551 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 04:07:14,551 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 04:07:14,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 04:07:14,917 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-11-03 04:07:14,917 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 04:07:14,918 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [213067080] [2022-11-03 04:07:14,918 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [213067080] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 04:07:14,918 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 04:07:14,918 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-03 04:07:14,918 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1417449068] [2022-11-03 04:07:14,919 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 04:07:14,919 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-03 04:07:14,920 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 04:07:14,920 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-03 04:07:14,920 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-03 04:07:14,921 INFO L87 Difference]: Start difference. First operand 3828 states and 5311 transitions. Second operand has 4 states, 4 states have (on average 13.25) internal successors, (53), 4 states have internal predecessors, (53), 2 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2022-11-03 04:07:17,484 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-03 04:07:19,845 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 04:07:22,596 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2022-11-03 04:07:23,878 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 04:07:23,878 INFO L93 Difference]: Finished difference Result 3834 states and 5315 transitions. [2022-11-03 04:07:23,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-03 04:07:23,878 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.25) internal successors, (53), 4 states have internal predecessors, (53), 2 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 99 [2022-11-03 04:07:23,879 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 04:07:23,888 INFO L225 Difference]: With dead ends: 3834 [2022-11-03 04:07:23,888 INFO L226 Difference]: Without dead ends: 3832 [2022-11-03 04:07:23,890 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-03 04:07:23,891 INFO L413 NwaCegarLoop]: 2796 mSDtfsCounter, 3091 mSDsluCounter, 3722 mSDsCounter, 0 mSdLazyCounter, 1032 mSolverCounterSat, 0 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3102 SdHoareTripleChecker+Valid, 5971 SdHoareTripleChecker+Invalid, 1035 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1032 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.5s IncrementalHoareTripleChecker+Time [2022-11-03 04:07:23,891 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3102 Valid, 5971 Invalid, 1035 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1032 Invalid, 3 Unknown, 0 Unchecked, 8.5s Time] [2022-11-03 04:07:23,896 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3832 states. [2022-11-03 04:07:24,325 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3832 to 3826. [2022-11-03 04:07:24,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3826 states, 2371 states have (on average 1.2986081822016027) internal successors, (3079), 2431 states have internal predecessors, (3079), 1109 states have call successors, (1109), 339 states have call predecessors, (1109), 333 states have return successors, (1121), 1087 states have call predecessors, (1121), 1107 states have call successors, (1121) [2022-11-03 04:07:24,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3826 states to 3826 states and 5309 transitions. [2022-11-03 04:07:24,346 INFO L78 Accepts]: Start accepts. Automaton has 3826 states and 5309 transitions. Word has length 99 [2022-11-03 04:07:24,347 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 04:07:24,348 INFO L495 AbstractCegarLoop]: Abstraction has 3826 states and 5309 transitions. [2022-11-03 04:07:24,348 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.25) internal successors, (53), 4 states have internal predecessors, (53), 2 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2022-11-03 04:07:24,348 INFO L276 IsEmpty]: Start isEmpty. Operand 3826 states and 5309 transitions. [2022-11-03 04:07:24,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-11-03 04:07:24,351 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 04:07:24,351 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 04:07:24,352 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-11-03 04:07:24,352 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 23 more)] === [2022-11-03 04:07:24,352 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 04:07:24,352 INFO L85 PathProgramCache]: Analyzing trace with hash 2131767091, now seen corresponding path program 1 times [2022-11-03 04:07:24,353 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 04:07:24,353 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1122618483] [2022-11-03 04:07:24,353 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 04:07:24,353 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 04:07:24,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 04:07:25,234 INFO L134 CoverageAnalysis]: Checked inductivity of 103 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 103 trivial. 0 not checked. [2022-11-03 04:07:25,234 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 04:07:25,235 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1122618483] [2022-11-03 04:07:25,235 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1122618483] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 04:07:25,235 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 04:07:25,235 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-03 04:07:25,235 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1123250465] [2022-11-03 04:07:25,235 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 04:07:25,236 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-03 04:07:25,236 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 04:07:25,237 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-03 04:07:25,237 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-03 04:07:25,237 INFO L87 Difference]: Start difference. First operand 3826 states and 5309 transitions. Second operand has 6 states, 5 states have (on average 9.2) internal successors, (46), 5 states have internal predecessors, (46), 2 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (18), 3 states have call predecessors, (18), 2 states have call successors, (18) [2022-11-03 04:07:29,033 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-03 04:07:31,662 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 04:07:36,813 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2022-11-03 04:07:40,239 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 04:07:40,239 INFO L93 Difference]: Finished difference Result 3838 states and 5341 transitions. [2022-11-03 04:07:40,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-03 04:07:40,240 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 9.2) internal successors, (46), 5 states have internal predecessors, (46), 2 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (18), 3 states have call predecessors, (18), 2 states have call successors, (18) Word has length 113 [2022-11-03 04:07:40,240 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 04:07:40,250 INFO L225 Difference]: With dead ends: 3838 [2022-11-03 04:07:40,250 INFO L226 Difference]: Without dead ends: 3836 [2022-11-03 04:07:40,251 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2022-11-03 04:07:40,252 INFO L413 NwaCegarLoop]: 2802 mSDtfsCounter, 3078 mSDsluCounter, 8963 mSDsCounter, 0 mSdLazyCounter, 3361 mSolverCounterSat, 2 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3100 SdHoareTripleChecker+Valid, 10256 SdHoareTripleChecker+Invalid, 3366 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 3361 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.3s IncrementalHoareTripleChecker+Time [2022-11-03 04:07:40,252 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3100 Valid, 10256 Invalid, 3366 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2 Valid, 3361 Invalid, 3 Unknown, 0 Unchecked, 14.3s Time] [2022-11-03 04:07:40,257 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3836 states. [2022-11-03 04:07:40,548 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3836 to 3826. [2022-11-03 04:07:40,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3826 states, 2371 states have (on average 1.2977646562631802) internal successors, (3077), 2431 states have internal predecessors, (3077), 1109 states have call successors, (1109), 339 states have call predecessors, (1109), 333 states have return successors, (1121), 1087 states have call predecessors, (1121), 1107 states have call successors, (1121) [2022-11-03 04:07:40,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3826 states to 3826 states and 5307 transitions. [2022-11-03 04:07:40,570 INFO L78 Accepts]: Start accepts. Automaton has 3826 states and 5307 transitions. Word has length 113 [2022-11-03 04:07:40,570 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 04:07:40,571 INFO L495 AbstractCegarLoop]: Abstraction has 3826 states and 5307 transitions. [2022-11-03 04:07:40,571 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 9.2) internal successors, (46), 5 states have internal predecessors, (46), 2 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (18), 3 states have call predecessors, (18), 2 states have call successors, (18) [2022-11-03 04:07:40,571 INFO L276 IsEmpty]: Start isEmpty. Operand 3826 states and 5307 transitions. [2022-11-03 04:07:40,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2022-11-03 04:07:40,573 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 04:07:40,573 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 04:07:40,574 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-11-03 04:07:40,574 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 23 more)] === [2022-11-03 04:07:40,574 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 04:07:40,574 INFO L85 PathProgramCache]: Analyzing trace with hash -1087734398, now seen corresponding path program 1 times [2022-11-03 04:07:40,575 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 04:07:40,575 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1826180711] [2022-11-03 04:07:40,575 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 04:07:40,575 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 04:07:40,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 04:07:40,930 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-11-03 04:07:40,930 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 04:07:40,930 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1826180711] [2022-11-03 04:07:40,930 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1826180711] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 04:07:40,931 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 04:07:40,931 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-03 04:07:40,931 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [933526538] [2022-11-03 04:07:40,931 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 04:07:40,933 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-03 04:07:40,934 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 04:07:40,934 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-03 04:07:40,935 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-03 04:07:40,935 INFO L87 Difference]: Start difference. First operand 3826 states and 5307 transitions. Second operand has 4 states, 4 states have (on average 14.0) internal successors, (56), 4 states have internal predecessors, (56), 2 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2022-11-03 04:07:43,486 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-03 04:07:45,812 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 04:07:48,578 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2022-11-03 04:07:49,980 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 04:07:49,980 INFO L93 Difference]: Finished difference Result 3830 states and 5310 transitions. [2022-11-03 04:07:49,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-03 04:07:49,981 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.0) internal successors, (56), 4 states have internal predecessors, (56), 2 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 104 [2022-11-03 04:07:49,981 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 04:07:49,993 INFO L225 Difference]: With dead ends: 3830 [2022-11-03 04:07:49,993 INFO L226 Difference]: Without dead ends: 3828 [2022-11-03 04:07:49,994 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-03 04:07:49,995 INFO L413 NwaCegarLoop]: 2794 mSDtfsCounter, 3086 mSDsluCounter, 3720 mSDsCounter, 0 mSdLazyCounter, 1032 mSolverCounterSat, 0 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3097 SdHoareTripleChecker+Valid, 5967 SdHoareTripleChecker+Invalid, 1035 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1032 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.5s IncrementalHoareTripleChecker+Time [2022-11-03 04:07:49,995 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3097 Valid, 5967 Invalid, 1035 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1032 Invalid, 3 Unknown, 0 Unchecked, 8.5s Time] [2022-11-03 04:07:50,000 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3828 states. [2022-11-03 04:07:50,443 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3828 to 3824. [2022-11-03 04:07:50,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3824 states, 2370 states have (on average 1.2974683544303798) internal successors, (3075), 2429 states have internal predecessors, (3075), 1109 states have call successors, (1109), 339 states have call predecessors, (1109), 333 states have return successors, (1121), 1087 states have call predecessors, (1121), 1107 states have call successors, (1121) [2022-11-03 04:07:50,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3824 states to 3824 states and 5305 transitions. [2022-11-03 04:07:50,466 INFO L78 Accepts]: Start accepts. Automaton has 3824 states and 5305 transitions. Word has length 104 [2022-11-03 04:07:50,466 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 04:07:50,466 INFO L495 AbstractCegarLoop]: Abstraction has 3824 states and 5305 transitions. [2022-11-03 04:07:50,467 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.0) internal successors, (56), 4 states have internal predecessors, (56), 2 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2022-11-03 04:07:50,467 INFO L276 IsEmpty]: Start isEmpty. Operand 3824 states and 5305 transitions. [2022-11-03 04:07:50,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2022-11-03 04:07:50,469 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 04:07:50,470 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 04:07:50,470 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-11-03 04:07:50,470 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ldv_check_alloc_flagsErr1ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 23 more)] === [2022-11-03 04:07:50,470 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 04:07:50,471 INFO L85 PathProgramCache]: Analyzing trace with hash 849613317, now seen corresponding path program 1 times [2022-11-03 04:07:50,471 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 04:07:50,471 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1358303276] [2022-11-03 04:07:50,471 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 04:07:50,471 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 04:07:50,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 04:07:50,800 INFO L134 CoverageAnalysis]: Checked inductivity of 109 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 103 trivial. 0 not checked. [2022-11-03 04:07:50,800 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 04:07:50,800 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1358303276] [2022-11-03 04:07:50,801 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1358303276] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 04:07:50,801 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 04:07:50,801 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-03 04:07:50,801 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1552138490] [2022-11-03 04:07:50,802 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 04:07:50,803 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 04:07:50,803 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 04:07:50,803 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 04:07:50,803 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 04:07:50,804 INFO L87 Difference]: Start difference. First operand 3824 states and 5305 transitions. Second operand has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 3 states have internal predecessors, (58), 2 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2022-11-03 04:07:52,203 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.03s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-03 04:07:54,347 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 04:07:56,812 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2022-11-03 04:07:58,938 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2022-11-03 04:07:59,955 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 04:07:59,955 INFO L93 Difference]: Finished difference Result 7632 states and 10863 transitions. [2022-11-03 04:07:59,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 04:07:59,956 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 3 states have internal predecessors, (58), 2 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 127 [2022-11-03 04:07:59,956 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 04:07:59,971 INFO L225 Difference]: With dead ends: 7632 [2022-11-03 04:07:59,971 INFO L226 Difference]: Without dead ends: 3824 [2022-11-03 04:07:59,986 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 04:07:59,986 INFO L413 NwaCegarLoop]: 2716 mSDtfsCounter, 3114 mSDsluCounter, 89 mSDsCounter, 0 mSdLazyCounter, 495 mSolverCounterSat, 0 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3132 SdHoareTripleChecker+Valid, 2790 SdHoareTripleChecker+Invalid, 498 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 495 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.6s IncrementalHoareTripleChecker+Time [2022-11-03 04:07:59,987 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3132 Valid, 2790 Invalid, 498 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 495 Invalid, 3 Unknown, 0 Unchecked, 8.6s Time] [2022-11-03 04:07:59,991 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3824 states. [2022-11-03 04:08:00,291 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3824 to 3816. [2022-11-03 04:08:00,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3816 states, 2363 states have (on average 1.2958104104951333) internal successors, (3062), 2421 states have internal predecessors, (3062), 1109 states have call successors, (1109), 339 states have call predecessors, (1109), 333 states have return successors, (1121), 1087 states have call predecessors, (1121), 1107 states have call successors, (1121) [2022-11-03 04:08:00,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3816 states to 3816 states and 5292 transitions. [2022-11-03 04:08:00,310 INFO L78 Accepts]: Start accepts. Automaton has 3816 states and 5292 transitions. Word has length 127 [2022-11-03 04:08:00,311 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 04:08:00,311 INFO L495 AbstractCegarLoop]: Abstraction has 3816 states and 5292 transitions. [2022-11-03 04:08:00,311 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 3 states have internal predecessors, (58), 2 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2022-11-03 04:08:00,312 INFO L276 IsEmpty]: Start isEmpty. Operand 3816 states and 5292 transitions. [2022-11-03 04:08:00,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2022-11-03 04:08:00,314 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 04:08:00,314 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 04:08:00,314 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-11-03 04:08:00,314 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ldv_linux_kernel_rcu_srcu_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 23 more)] === [2022-11-03 04:08:00,315 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 04:08:00,315 INFO L85 PathProgramCache]: Analyzing trace with hash -1854608664, now seen corresponding path program 1 times [2022-11-03 04:08:00,315 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 04:08:00,315 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1858431444] [2022-11-03 04:08:00,316 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 04:08:00,316 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 04:08:00,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 04:08:00,714 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-11-03 04:08:00,714 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 04:08:00,714 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1858431444] [2022-11-03 04:08:00,714 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1858431444] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 04:08:00,715 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 04:08:00,715 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-03 04:08:00,715 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [781593974] [2022-11-03 04:08:00,715 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 04:08:00,715 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-03 04:08:00,716 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 04:08:00,716 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-03 04:08:00,716 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-03 04:08:00,716 INFO L87 Difference]: Start difference. First operand 3816 states and 5292 transitions. Second operand has 4 states, 4 states have (on average 14.75) internal successors, (59), 4 states have internal predecessors, (59), 2 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2022-11-03 04:08:03,324 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-03 04:08:05,651 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 04:08:08,348 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2022-11-03 04:08:09,801 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 04:08:09,801 INFO L93 Difference]: Finished difference Result 3818 states and 5294 transitions. [2022-11-03 04:08:09,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-03 04:08:09,802 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.75) internal successors, (59), 4 states have internal predecessors, (59), 2 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) Word has length 109 [2022-11-03 04:08:09,802 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 04:08:09,811 INFO L225 Difference]: With dead ends: 3818 [2022-11-03 04:08:09,811 INFO L226 Difference]: Without dead ends: 3816 [2022-11-03 04:08:09,812 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-03 04:08:09,813 INFO L413 NwaCegarLoop]: 2779 mSDtfsCounter, 3078 mSDsluCounter, 3697 mSDsCounter, 0 mSdLazyCounter, 1026 mSolverCounterSat, 0 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3089 SdHoareTripleChecker+Valid, 5932 SdHoareTripleChecker+Invalid, 1029 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1026 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.5s IncrementalHoareTripleChecker+Time [2022-11-03 04:08:09,813 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3089 Valid, 5932 Invalid, 1029 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1026 Invalid, 3 Unknown, 0 Unchecked, 8.5s Time] [2022-11-03 04:08:09,818 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3816 states. [2022-11-03 04:08:10,210 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3816 to 3814. [2022-11-03 04:08:10,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3814 states, 2362 states have (on average 1.2955122777307366) internal successors, (3060), 2419 states have internal predecessors, (3060), 1109 states have call successors, (1109), 339 states have call predecessors, (1109), 333 states have return successors, (1121), 1087 states have call predecessors, (1121), 1107 states have call successors, (1121) [2022-11-03 04:08:10,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3814 states to 3814 states and 5290 transitions. [2022-11-03 04:08:10,223 INFO L78 Accepts]: Start accepts. Automaton has 3814 states and 5290 transitions. Word has length 109 [2022-11-03 04:08:10,223 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 04:08:10,223 INFO L495 AbstractCegarLoop]: Abstraction has 3814 states and 5290 transitions. [2022-11-03 04:08:10,223 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.75) internal successors, (59), 4 states have internal predecessors, (59), 2 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2022-11-03 04:08:10,223 INFO L276 IsEmpty]: Start isEmpty. Operand 3814 states and 5290 transitions. [2022-11-03 04:08:10,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2022-11-03 04:08:10,225 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 04:08:10,225 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 04:08:10,225 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2022-11-03 04:08:10,226 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ldv_linux_lib_idr_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 23 more)] === [2022-11-03 04:08:10,226 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 04:08:10,226 INFO L85 PathProgramCache]: Analyzing trace with hash -1444270552, now seen corresponding path program 1 times [2022-11-03 04:08:10,226 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 04:08:10,226 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1758168231] [2022-11-03 04:08:10,226 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 04:08:10,226 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 04:08:10,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 04:08:10,590 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-11-03 04:08:10,590 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 04:08:10,591 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1758168231] [2022-11-03 04:08:10,591 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1758168231] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 04:08:10,591 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 04:08:10,591 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-03 04:08:10,591 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1603737375] [2022-11-03 04:08:10,591 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 04:08:10,592 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-03 04:08:10,592 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 04:08:10,592 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-03 04:08:10,592 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-03 04:08:10,592 INFO L87 Difference]: Start difference. First operand 3814 states and 5290 transitions. Second operand has 4 states, 4 states have (on average 15.5) internal successors, (62), 4 states have internal predecessors, (62), 2 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2022-11-03 04:08:13,163 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-03 04:08:15,526 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 04:08:18,893 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2022-11-03 04:08:20,333 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 04:08:20,333 INFO L93 Difference]: Finished difference Result 3822 states and 5320 transitions. [2022-11-03 04:08:20,334 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-03 04:08:20,334 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 15.5) internal successors, (62), 4 states have internal predecessors, (62), 2 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) Word has length 114 [2022-11-03 04:08:20,334 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 04:08:20,350 INFO L225 Difference]: With dead ends: 3822 [2022-11-03 04:08:20,350 INFO L226 Difference]: Without dead ends: 3820 [2022-11-03 04:08:20,353 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-03 04:08:20,353 INFO L413 NwaCegarLoop]: 2790 mSDtfsCounter, 3057 mSDsluCounter, 3751 mSDsCounter, 0 mSdLazyCounter, 1037 mSolverCounterSat, 0 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3078 SdHoareTripleChecker+Valid, 5989 SdHoareTripleChecker+Invalid, 1040 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1037 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.2s IncrementalHoareTripleChecker+Time [2022-11-03 04:08:20,354 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3078 Valid, 5989 Invalid, 1040 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1037 Invalid, 3 Unknown, 0 Unchecked, 9.2s Time] [2022-11-03 04:08:20,359 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3820 states. [2022-11-03 04:08:20,748 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3820 to 3812. [2022-11-03 04:08:20,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3812 states, 2361 states have (on average 1.2952138924184669) internal successors, (3058), 2417 states have internal predecessors, (3058), 1109 states have call successors, (1109), 339 states have call predecessors, (1109), 333 states have return successors, (1121), 1087 states have call predecessors, (1121), 1107 states have call successors, (1121) [2022-11-03 04:08:20,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3812 states to 3812 states and 5288 transitions. [2022-11-03 04:08:20,762 INFO L78 Accepts]: Start accepts. Automaton has 3812 states and 5288 transitions. Word has length 114 [2022-11-03 04:08:20,763 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 04:08:20,763 INFO L495 AbstractCegarLoop]: Abstraction has 3812 states and 5288 transitions. [2022-11-03 04:08:20,763 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.5) internal successors, (62), 4 states have internal predecessors, (62), 2 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2022-11-03 04:08:20,764 INFO L276 IsEmpty]: Start isEmpty. Operand 3812 states and 5288 transitions. [2022-11-03 04:08:20,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2022-11-03 04:08:20,766 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 04:08:20,766 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 04:08:20,766 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2022-11-03 04:08:20,766 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting ldv_linux_mmc_sdio_func_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 23 more)] === [2022-11-03 04:08:20,767 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 04:08:20,767 INFO L85 PathProgramCache]: Analyzing trace with hash 245378688, now seen corresponding path program 1 times [2022-11-03 04:08:20,767 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 04:08:20,767 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [866863821] [2022-11-03 04:08:20,767 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 04:08:20,768 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 04:08:20,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 04:08:21,230 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-11-03 04:08:21,230 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 04:08:21,231 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [866863821] [2022-11-03 04:08:21,231 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [866863821] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 04:08:21,231 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 04:08:21,231 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-03 04:08:21,232 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [50656312] [2022-11-03 04:08:21,232 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 04:08:21,232 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-03 04:08:21,232 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 04:08:21,233 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-03 04:08:21,233 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-03 04:08:21,233 INFO L87 Difference]: Start difference. First operand 3812 states and 5288 transitions. Second operand has 4 states, 4 states have (on average 16.25) internal successors, (65), 4 states have internal predecessors, (65), 2 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2022-11-03 04:08:23,827 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-03 04:08:26,121 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 04:08:29,212 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2022-11-03 04:08:30,640 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 04:08:30,640 INFO L93 Difference]: Finished difference Result 3820 states and 5318 transitions. [2022-11-03 04:08:30,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-03 04:08:30,641 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 16.25) internal successors, (65), 4 states have internal predecessors, (65), 2 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 119 [2022-11-03 04:08:30,641 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 04:08:30,650 INFO L225 Difference]: With dead ends: 3820 [2022-11-03 04:08:30,650 INFO L226 Difference]: Without dead ends: 3818 [2022-11-03 04:08:30,651 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-03 04:08:30,652 INFO L413 NwaCegarLoop]: 2788 mSDtfsCounter, 3054 mSDsluCounter, 3749 mSDsCounter, 0 mSdLazyCounter, 1037 mSolverCounterSat, 0 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3075 SdHoareTripleChecker+Valid, 5985 SdHoareTripleChecker+Invalid, 1040 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1037 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.8s IncrementalHoareTripleChecker+Time [2022-11-03 04:08:30,652 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3075 Valid, 5985 Invalid, 1040 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1037 Invalid, 3 Unknown, 0 Unchecked, 8.8s Time] [2022-11-03 04:08:30,657 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3818 states. [2022-11-03 04:08:31,048 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3818 to 3810. [2022-11-03 04:08:31,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3810 states, 2360 states have (on average 1.2949152542372881) internal successors, (3056), 2415 states have internal predecessors, (3056), 1109 states have call successors, (1109), 339 states have call predecessors, (1109), 333 states have return successors, (1121), 1087 states have call predecessors, (1121), 1107 states have call successors, (1121) [2022-11-03 04:08:31,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3810 states to 3810 states and 5286 transitions. [2022-11-03 04:08:31,060 INFO L78 Accepts]: Start accepts. Automaton has 3810 states and 5286 transitions. Word has length 119 [2022-11-03 04:08:31,060 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 04:08:31,061 INFO L495 AbstractCegarLoop]: Abstraction has 3810 states and 5286 transitions. [2022-11-03 04:08:31,061 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 16.25) internal successors, (65), 4 states have internal predecessors, (65), 2 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2022-11-03 04:08:31,061 INFO L276 IsEmpty]: Start isEmpty. Operand 3810 states and 5286 transitions. [2022-11-03 04:08:31,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2022-11-03 04:08:31,063 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 04:08:31,063 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 04:08:31,064 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2022-11-03 04:08:31,064 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting ldv_linux_net_rtnetlink_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 23 more)] === [2022-11-03 04:08:31,064 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 04:08:31,064 INFO L85 PathProgramCache]: Analyzing trace with hash -1498424388, now seen corresponding path program 1 times [2022-11-03 04:08:31,065 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 04:08:31,065 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1550439899] [2022-11-03 04:08:31,065 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 04:08:31,065 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 04:08:31,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 04:08:31,386 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-11-03 04:08:31,386 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 04:08:31,386 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1550439899] [2022-11-03 04:08:31,386 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1550439899] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 04:08:31,387 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 04:08:31,387 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-03 04:08:31,387 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [731648845] [2022-11-03 04:08:31,387 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 04:08:31,388 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-03 04:08:31,388 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 04:08:31,388 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-03 04:08:31,389 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-03 04:08:31,389 INFO L87 Difference]: Start difference. First operand 3810 states and 5286 transitions. Second operand has 4 states, 4 states have (on average 17.0) internal successors, (68), 4 states have internal predecessors, (68), 2 states have call successors, (25), 2 states have call predecessors, (25), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2022-11-03 04:08:33,995 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-03 04:08:36,319 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 04:08:39,596 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2022-11-03 04:08:40,878 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 04:08:40,878 INFO L93 Difference]: Finished difference Result 3818 states and 5316 transitions. [2022-11-03 04:08:40,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-03 04:08:40,879 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 17.0) internal successors, (68), 4 states have internal predecessors, (68), 2 states have call successors, (25), 2 states have call predecessors, (25), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) Word has length 124 [2022-11-03 04:08:40,879 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 04:08:40,890 INFO L225 Difference]: With dead ends: 3818 [2022-11-03 04:08:40,890 INFO L226 Difference]: Without dead ends: 3816 [2022-11-03 04:08:40,892 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-03 04:08:40,893 INFO L413 NwaCegarLoop]: 2778 mSDtfsCounter, 3051 mSDsluCounter, 3736 mSDsCounter, 0 mSdLazyCounter, 1031 mSolverCounterSat, 0 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3072 SdHoareTripleChecker+Valid, 5965 SdHoareTripleChecker+Invalid, 1034 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1031 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.9s IncrementalHoareTripleChecker+Time [2022-11-03 04:08:40,893 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3072 Valid, 5965 Invalid, 1034 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1031 Invalid, 3 Unknown, 0 Unchecked, 8.9s Time] [2022-11-03 04:08:40,898 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3816 states. [2022-11-03 04:08:41,255 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3816 to 3808. [2022-11-03 04:08:41,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3808 states, 2359 states have (on average 1.294616362865621) internal successors, (3054), 2413 states have internal predecessors, (3054), 1109 states have call successors, (1109), 339 states have call predecessors, (1109), 333 states have return successors, (1121), 1087 states have call predecessors, (1121), 1107 states have call successors, (1121) [2022-11-03 04:08:41,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3808 states to 3808 states and 5284 transitions. [2022-11-03 04:08:41,269 INFO L78 Accepts]: Start accepts. Automaton has 3808 states and 5284 transitions. Word has length 124 [2022-11-03 04:08:41,269 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 04:08:41,269 INFO L495 AbstractCegarLoop]: Abstraction has 3808 states and 5284 transitions. [2022-11-03 04:08:41,270 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 17.0) internal successors, (68), 4 states have internal predecessors, (68), 2 states have call successors, (25), 2 states have call predecessors, (25), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2022-11-03 04:08:41,270 INFO L276 IsEmpty]: Start isEmpty. Operand 3808 states and 5284 transitions. [2022-11-03 04:08:41,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2022-11-03 04:08:41,272 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 04:08:41,272 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 04:08:41,273 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2022-11-03 04:08:41,273 INFO L420 AbstractCegarLoop]: === Iteration 25 === Targeting ldv_linux_net_sock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 23 more)] === [2022-11-03 04:08:41,273 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 04:08:41,273 INFO L85 PathProgramCache]: Analyzing trace with hash -1238976243, now seen corresponding path program 1 times [2022-11-03 04:08:41,273 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 04:08:41,274 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [884848] [2022-11-03 04:08:41,274 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 04:08:41,274 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 04:08:41,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 04:08:41,605 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-11-03 04:08:41,605 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 04:08:41,605 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [884848] [2022-11-03 04:08:41,605 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [884848] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 04:08:41,606 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 04:08:41,606 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-03 04:08:41,606 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [703526454] [2022-11-03 04:08:41,606 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 04:08:41,607 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-03 04:08:41,607 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 04:08:41,607 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-03 04:08:41,608 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-03 04:08:41,608 INFO L87 Difference]: Start difference. First operand 3808 states and 5284 transitions. Second operand has 4 states, 4 states have (on average 17.75) internal successors, (71), 4 states have internal predecessors, (71), 2 states have call successors, (26), 2 states have call predecessors, (26), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2022-11-03 04:08:44,132 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-03 04:08:46,518 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 04:08:48,766 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.54s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2022-11-03 04:08:51,130 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2022-11-03 04:08:52,484 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 04:08:52,484 INFO L93 Difference]: Finished difference Result 3816 states and 5314 transitions. [2022-11-03 04:08:52,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-03 04:08:52,485 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 17.75) internal successors, (71), 4 states have internal predecessors, (71), 2 states have call successors, (26), 2 states have call predecessors, (26), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) Word has length 129 [2022-11-03 04:08:52,485 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 04:08:52,493 INFO L225 Difference]: With dead ends: 3816 [2022-11-03 04:08:52,493 INFO L226 Difference]: Without dead ends: 3814 [2022-11-03 04:08:52,494 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-03 04:08:52,494 INFO L413 NwaCegarLoop]: 2776 mSDtfsCounter, 3048 mSDsluCounter, 3734 mSDsCounter, 0 mSdLazyCounter, 1031 mSolverCounterSat, 0 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3069 SdHoareTripleChecker+Valid, 5961 SdHoareTripleChecker+Invalid, 1034 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1031 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.2s IncrementalHoareTripleChecker+Time [2022-11-03 04:08:52,495 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3069 Valid, 5961 Invalid, 1034 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1031 Invalid, 3 Unknown, 0 Unchecked, 10.2s Time] [2022-11-03 04:08:52,498 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3814 states. [2022-11-03 04:08:52,892 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3814 to 3806. [2022-11-03 04:08:52,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3806 states, 2358 states have (on average 1.29431721798134) internal successors, (3052), 2411 states have internal predecessors, (3052), 1109 states have call successors, (1109), 339 states have call predecessors, (1109), 333 states have return successors, (1121), 1087 states have call predecessors, (1121), 1107 states have call successors, (1121) [2022-11-03 04:08:52,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3806 states to 3806 states and 5282 transitions. [2022-11-03 04:08:52,905 INFO L78 Accepts]: Start accepts. Automaton has 3806 states and 5282 transitions. Word has length 129 [2022-11-03 04:08:52,905 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 04:08:52,905 INFO L495 AbstractCegarLoop]: Abstraction has 3806 states and 5282 transitions. [2022-11-03 04:08:52,905 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 17.75) internal successors, (71), 4 states have internal predecessors, (71), 2 states have call successors, (26), 2 states have call predecessors, (26), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2022-11-03 04:08:52,906 INFO L276 IsEmpty]: Start isEmpty. Operand 3806 states and 5282 transitions. [2022-11-03 04:08:52,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2022-11-03 04:08:52,907 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 04:08:52,907 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 04:08:52,907 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2022-11-03 04:08:52,907 INFO L420 AbstractCegarLoop]: === Iteration 26 === Targeting ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 23 more)] === [2022-11-03 04:08:52,908 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 04:08:52,908 INFO L85 PathProgramCache]: Analyzing trace with hash 2130226483, now seen corresponding path program 1 times [2022-11-03 04:08:52,908 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 04:08:52,908 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [468931720] [2022-11-03 04:08:52,908 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 04:08:52,908 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 04:08:52,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 04:08:53,213 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-11-03 04:08:53,213 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 04:08:53,213 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [468931720] [2022-11-03 04:08:53,214 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [468931720] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 04:08:53,214 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 04:08:53,214 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-03 04:08:53,214 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1719605485] [2022-11-03 04:08:53,214 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 04:08:53,215 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-03 04:08:53,215 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 04:08:53,215 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-03 04:08:53,216 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-03 04:08:53,216 INFO L87 Difference]: Start difference. First operand 3806 states and 5282 transitions. Second operand has 4 states, 4 states have (on average 18.5) internal successors, (74), 4 states have internal predecessors, (74), 2 states have call successors, (27), 2 states have call predecessors, (27), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2022-11-03 04:08:55,756 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-03 04:08:57,994 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 04:09:01,116 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2022-11-03 04:09:02,415 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 04:09:02,415 INFO L93 Difference]: Finished difference Result 3814 states and 5312 transitions. [2022-11-03 04:09:02,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-03 04:09:02,416 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 18.5) internal successors, (74), 4 states have internal predecessors, (74), 2 states have call successors, (27), 2 states have call predecessors, (27), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) Word has length 134 [2022-11-03 04:09:02,417 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 04:09:02,427 INFO L225 Difference]: With dead ends: 3814 [2022-11-03 04:09:02,427 INFO L226 Difference]: Without dead ends: 3812 [2022-11-03 04:09:02,429 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-03 04:09:02,429 INFO L413 NwaCegarLoop]: 2774 mSDtfsCounter, 3045 mSDsluCounter, 3732 mSDsCounter, 0 mSdLazyCounter, 1031 mSolverCounterSat, 0 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3066 SdHoareTripleChecker+Valid, 5957 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 [2022-11-03 04:09:02,430 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3066 Valid, 5957 Invalid, 1034 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1031 Invalid, 3 Unknown, 0 Unchecked, 8.5s Time] [2022-11-03 04:09:02,435 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3812 states. [2022-11-03 04:09:02,835 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3812 to 3804. [2022-11-03 04:09:02,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3804 states, 2357 states have (on average 1.2940178192617735) internal successors, (3050), 2409 states have internal predecessors, (3050), 1109 states have call successors, (1109), 339 states have call predecessors, (1109), 333 states have return successors, (1121), 1087 states have call predecessors, (1121), 1107 states have call successors, (1121) [2022-11-03 04:09:02,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3804 states to 3804 states and 5280 transitions. [2022-11-03 04:09:02,851 INFO L78 Accepts]: Start accepts. Automaton has 3804 states and 5280 transitions. Word has length 134 [2022-11-03 04:09:02,851 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 04:09:02,852 INFO L495 AbstractCegarLoop]: Abstraction has 3804 states and 5280 transitions. [2022-11-03 04:09:02,852 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 18.5) internal successors, (74), 4 states have internal predecessors, (74), 2 states have call successors, (27), 2 states have call predecessors, (27), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2022-11-03 04:09:02,852 INFO L276 IsEmpty]: Start isEmpty. Operand 3804 states and 5280 transitions. [2022-11-03 04:09:02,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2022-11-03 04:09:02,854 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 04:09:02,855 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 04:09:02,855 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2022-11-03 04:09:02,855 INFO L420 AbstractCegarLoop]: === Iteration 27 === Targeting ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 23 more)] === [2022-11-03 04:09:02,855 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 04:09:02,855 INFO L85 PathProgramCache]: Analyzing trace with hash 662330685, now seen corresponding path program 1 times [2022-11-03 04:09:02,855 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 04:09:02,856 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [689752152] [2022-11-03 04:09:02,856 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 04:09:02,856 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 04:09:02,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 04:09:03,204 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-11-03 04:09:03,204 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 04:09:03,204 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [689752152] [2022-11-03 04:09:03,205 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [689752152] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 04:09:03,205 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 04:09:03,205 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-03 04:09:03,205 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [417169391] [2022-11-03 04:09:03,205 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 04:09:03,206 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-03 04:09:03,206 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 04:09:03,206 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-03 04:09:03,206 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-03 04:09:03,207 INFO L87 Difference]: Start difference. First operand 3804 states and 5280 transitions. Second operand has 4 states, 4 states have (on average 19.25) internal successors, (77), 4 states have internal predecessors, (77), 2 states have call successors, (28), 2 states have call predecessors, (28), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2022-11-03 04:09:05,714 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-03 04:09:07,979 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 04:09:10,535 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 04:09:10,535 INFO L93 Difference]: Finished difference Result 3806 states and 5282 transitions. [2022-11-03 04:09:10,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-03 04:09:10,536 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 19.25) internal successors, (77), 4 states have internal predecessors, (77), 2 states have call successors, (28), 2 states have call predecessors, (28), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) Word has length 139 [2022-11-03 04:09:10,536 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 04:09:10,547 INFO L225 Difference]: With dead ends: 3806 [2022-11-03 04:09:10,547 INFO L226 Difference]: Without dead ends: 3804 [2022-11-03 04:09:10,549 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-03 04:09:10,549 INFO L413 NwaCegarLoop]: 2775 mSDtfsCounter, 3063 mSDsluCounter, 3697 mSDsCounter, 0 mSdLazyCounter, 1034 mSolverCounterSat, 0 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3072 SdHoareTripleChecker+Valid, 5924 SdHoareTripleChecker+Invalid, 1036 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1034 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.6s IncrementalHoareTripleChecker+Time [2022-11-03 04:09:10,550 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3072 Valid, 5924 Invalid, 1036 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1034 Invalid, 2 Unknown, 0 Unchecked, 6.6s Time] [2022-11-03 04:09:10,555 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3804 states. [2022-11-03 04:09:10,968 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3804 to 3802. [2022-11-03 04:09:10,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3802 states, 2356 states have (on average 1.2937181663837012) internal successors, (3048), 2407 states have internal predecessors, (3048), 1109 states have call successors, (1109), 339 states have call predecessors, (1109), 333 states have return successors, (1121), 1087 states have call predecessors, (1121), 1107 states have call successors, (1121) [2022-11-03 04:09:10,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3802 states to 3802 states and 5278 transitions. [2022-11-03 04:09:10,982 INFO L78 Accepts]: Start accepts. Automaton has 3802 states and 5278 transitions. Word has length 139 [2022-11-03 04:09:10,982 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 04:09:10,982 INFO L495 AbstractCegarLoop]: Abstraction has 3802 states and 5278 transitions. [2022-11-03 04:09:10,982 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 19.25) internal successors, (77), 4 states have internal predecessors, (77), 2 states have call successors, (28), 2 states have call predecessors, (28), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2022-11-03 04:09:10,983 INFO L276 IsEmpty]: Start isEmpty. Operand 3802 states and 5278 transitions. [2022-11-03 04:09:10,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2022-11-03 04:09:10,984 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 04:09:10,984 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 04:09:10,985 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2022-11-03 04:09:10,985 INFO L420 AbstractCegarLoop]: === Iteration 28 === Targeting ldv_linux_usb_urb_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 23 more)] === [2022-11-03 04:09:10,985 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 04:09:10,985 INFO L85 PathProgramCache]: Analyzing trace with hash 119919351, now seen corresponding path program 1 times [2022-11-03 04:09:10,986 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 04:09:10,986 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1982489806] [2022-11-03 04:09:10,986 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 04:09:10,986 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 04:09:11,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 04:09:11,332 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-11-03 04:09:11,332 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 04:09:11,333 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1982489806] [2022-11-03 04:09:11,333 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1982489806] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 04:09:11,333 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 04:09:11,333 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-03 04:09:11,333 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1037748144] [2022-11-03 04:09:11,333 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 04:09:11,334 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-03 04:09:11,334 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 04:09:11,334 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-03 04:09:11,334 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-03 04:09:11,335 INFO L87 Difference]: Start difference. First operand 3802 states and 5278 transitions. Second operand has 4 states, 4 states have (on average 20.0) internal successors, (80), 4 states have internal predecessors, (80), 2 states have call successors, (29), 2 states have call predecessors, (29), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2022-11-03 04:09:13,834 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-03 04:09:16,166 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 04:09:18,988 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2022-11-03 04:09:20,424 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 04:09:20,424 INFO L93 Difference]: Finished difference Result 3804 states and 5280 transitions. [2022-11-03 04:09:20,425 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-03 04:09:20,426 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 20.0) internal successors, (80), 4 states have internal predecessors, (80), 2 states have call successors, (29), 2 states have call predecessors, (29), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) Word has length 144 [2022-11-03 04:09:20,426 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 04:09:20,437 INFO L225 Difference]: With dead ends: 3804 [2022-11-03 04:09:20,437 INFO L226 Difference]: Without dead ends: 3674 [2022-11-03 04:09:20,441 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-03 04:09:20,441 INFO L413 NwaCegarLoop]: 2774 mSDtfsCounter, 3057 mSDsluCounter, 3696 mSDsCounter, 0 mSdLazyCounter, 1032 mSolverCounterSat, 0 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3066 SdHoareTripleChecker+Valid, 5922 SdHoareTripleChecker+Invalid, 1035 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1032 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.4s IncrementalHoareTripleChecker+Time [2022-11-03 04:09:20,441 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3066 Valid, 5922 Invalid, 1035 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1032 Invalid, 3 Unknown, 0 Unchecked, 8.4s Time] [2022-11-03 04:09:20,444 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3674 states. [2022-11-03 04:09:20,911 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3674 to 3672. [2022-11-03 04:09:20,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3672 states, 2289 states have (on average 1.3010048055919616) internal successors, (2978), 2338 states have internal predecessors, (2978), 1066 states have call successors, (1066), 319 states have call predecessors, (1066), 314 states have return successors, (1080), 1046 states have call predecessors, (1080), 1066 states have call successors, (1080) [2022-11-03 04:09:20,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3672 states to 3672 states and 5124 transitions. [2022-11-03 04:09:20,924 INFO L78 Accepts]: Start accepts. Automaton has 3672 states and 5124 transitions. Word has length 144 [2022-11-03 04:09:20,924 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 04:09:20,924 INFO L495 AbstractCegarLoop]: Abstraction has 3672 states and 5124 transitions. [2022-11-03 04:09:20,925 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 20.0) internal successors, (80), 4 states have internal predecessors, (80), 2 states have call successors, (29), 2 states have call predecessors, (29), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2022-11-03 04:09:20,925 INFO L276 IsEmpty]: Start isEmpty. Operand 3672 states and 5124 transitions. [2022-11-03 04:09:20,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 228 [2022-11-03 04:09:20,927 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 04:09:20,928 INFO L195 NwaCegarLoop]: trace histogram [18, 18, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 04:09:20,928 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2022-11-03 04:09:20,928 INFO L420 AbstractCegarLoop]: === Iteration 29 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 23 more)] === [2022-11-03 04:09:20,928 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 04:09:20,928 INFO L85 PathProgramCache]: Analyzing trace with hash -347627069, now seen corresponding path program 1 times [2022-11-03 04:09:20,928 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 04:09:20,928 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1705493944] [2022-11-03 04:09:20,929 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 04:09:20,929 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 04:09:21,024 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-03 04:09:21,024 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [491146034] [2022-11-03 04:09:21,025 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 04:09:21,025 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 04:09:21,025 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e780e99-d0fa-40c0-8e46-f25c1e8485dc/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 04:09:21,040 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e780e99-d0fa-40c0-8e46-f25c1e8485dc/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-03 04:09:21,042 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e780e99-d0fa-40c0-8e46-f25c1e8485dc/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-03 04:09:22,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 04:09:22,436 INFO L263 TraceCheckSpWp]: Trace formula consists of 3063 conjuncts, 60 conjunts are in the unsatisfiable core [2022-11-03 04:09:22,451 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 04:09:22,882 INFO L134 CoverageAnalysis]: Checked inductivity of 716 backedges. 198 proven. 2 refuted. 0 times theorem prover too weak. 516 trivial. 0 not checked. [2022-11-03 04:09:22,883 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-03 04:09:23,647 INFO L134 CoverageAnalysis]: Checked inductivity of 716 backedges. 6 proven. 58 refuted. 0 times theorem prover too weak. 652 trivial. 0 not checked. [2022-11-03 04:09:23,648 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 04:09:23,648 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1705493944] [2022-11-03 04:09:23,648 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-03 04:09:23,648 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [491146034] [2022-11-03 04:09:23,648 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [491146034] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-03 04:09:23,649 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [856867018] [2022-11-03 04:09:23,677 INFO L159 IcfgInterpreter]: Started Sifa with 103 locations of interest [2022-11-03 04:09:23,677 INFO L166 IcfgInterpreter]: Building call graph [2022-11-03 04:09:23,682 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-03 04:09:23,688 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-03 04:09:23,689 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs