./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--mtd--sm_ftl.ko.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 38b53e6a Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06479d6d-a340-47c8-a7e8-124678833506/bin/utaipan-ByfvJB40ur/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06479d6d-a340-47c8-a7e8-124678833506/bin/utaipan-ByfvJB40ur/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06479d6d-a340-47c8-a7e8-124678833506/bin/utaipan-ByfvJB40ur/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06479d6d-a340-47c8-a7e8-124678833506/bin/utaipan-ByfvJB40ur/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--sm_ftl.ko.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06479d6d-a340-47c8-a7e8-124678833506/bin/utaipan-ByfvJB40ur/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06479d6d-a340-47c8-a7e8-124678833506/bin/utaipan-ByfvJB40ur --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 66513110c58cbfd09ef37c44af5b1d4813bd7e87bef538ae0fb21419e856753a --- 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-38b53e6 [2022-11-26 00:01:46,428 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-26 00:01:46,431 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-26 00:01:46,472 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-26 00:01:46,473 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-26 00:01:46,486 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-26 00:01:46,487 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-26 00:01:46,489 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-26 00:01:46,490 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-26 00:01:46,491 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-26 00:01:46,492 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-26 00:01:46,493 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-26 00:01:46,494 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-26 00:01:46,495 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-26 00:01:46,496 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-26 00:01:46,497 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-26 00:01:46,498 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-26 00:01:46,499 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-26 00:01:46,501 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-26 00:01:46,503 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-26 00:01:46,505 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-26 00:01:46,506 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-26 00:01:46,508 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-26 00:01:46,509 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-26 00:01:46,513 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-26 00:01:46,513 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-26 00:01:46,513 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-26 00:01:46,515 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-26 00:01:46,515 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-26 00:01:46,516 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-26 00:01:46,516 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-26 00:01:46,517 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-26 00:01:46,518 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-26 00:01:46,519 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-26 00:01:46,520 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-26 00:01:46,521 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-26 00:01:46,522 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-26 00:01:46,522 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-26 00:01:46,522 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-26 00:01:46,523 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-26 00:01:46,524 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-26 00:01:46,525 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06479d6d-a340-47c8-a7e8-124678833506/bin/utaipan-ByfvJB40ur/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-11-26 00:01:46,549 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-26 00:01:46,549 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-26 00:01:46,549 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-26 00:01:46,550 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-26 00:01:46,550 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-26 00:01:46,551 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-26 00:01:46,551 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-26 00:01:46,551 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-26 00:01:46,551 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-26 00:01:46,552 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-26 00:01:46,552 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-26 00:01:46,552 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-26 00:01:46,552 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-26 00:01:46,553 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-26 00:01:46,553 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-26 00:01:46,553 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-26 00:01:46,553 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-26 00:01:46,554 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-26 00:01:46,555 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-26 00:01:46,555 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-26 00:01:46,555 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-26 00:01:46,555 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-26 00:01:46,556 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-26 00:01:46,556 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-26 00:01:46,556 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-26 00:01:46,556 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-26 00:01:46,557 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-26 00:01:46,557 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-26 00:01:46,557 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-26 00:01:46,557 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-26 00:01:46,558 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-26 00:01:46,558 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-26 00:01:46,558 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-26 00:01:46,558 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-26 00:01:46,559 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-26 00:01:46,559 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-26 00:01:46,559 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-26 00:01:46,559 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-26 00:01:46,560 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_06479d6d-a340-47c8-a7e8-124678833506/bin/utaipan-ByfvJB40ur/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06479d6d-a340-47c8-a7e8-124678833506/bin/utaipan-ByfvJB40ur Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 66513110c58cbfd09ef37c44af5b1d4813bd7e87bef538ae0fb21419e856753a [2022-11-26 00:01:46,853 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-26 00:01:46,877 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-26 00:01:46,879 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-26 00:01:46,880 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-26 00:01:46,881 INFO L275 PluginConnector]: CDTParser initialized [2022-11-26 00:01:46,882 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06479d6d-a340-47c8-a7e8-124678833506/bin/utaipan-ByfvJB40ur/../../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--sm_ftl.ko.cil.i [2022-11-26 00:01:50,131 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-26 00:01:50,802 INFO L351 CDTParser]: Found 1 translation units. [2022-11-26 00:01:50,803 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06479d6d-a340-47c8-a7e8-124678833506/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--sm_ftl.ko.cil.i [2022-11-26 00:01:50,855 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06479d6d-a340-47c8-a7e8-124678833506/bin/utaipan-ByfvJB40ur/data/beee8644f/47246768012849de9dd365bebc4d4609/FLAG904dafdf0 [2022-11-26 00:01:50,877 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06479d6d-a340-47c8-a7e8-124678833506/bin/utaipan-ByfvJB40ur/data/beee8644f/47246768012849de9dd365bebc4d4609 [2022-11-26 00:01:50,882 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-26 00:01:50,885 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-26 00:01:50,887 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-26 00:01:50,887 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-26 00:01:50,891 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-26 00:01:50,892 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:01:50" (1/1) ... [2022-11-26 00:01:50,893 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1cc0b370 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:01:50, skipping insertion in model container [2022-11-26 00:01:50,894 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:01:50" (1/1) ... [2022-11-26 00:01:50,901 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-26 00:01:51,075 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-26 00:01:52,170 WARN L623 FunctionHandler]: Unknown extern function queue_work_on [2022-11-26 00:01:52,274 WARN L623 FunctionHandler]: Unknown extern function memcmp [2022-11-26 00:01:52,356 WARN L623 FunctionHandler]: Unknown extern function strncpy [2022-11-26 00:01:52,367 WARN L623 FunctionHandler]: Unknown extern function kstrndup [2022-11-26 00:01:52,386 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-26 00:01:52,386 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-26 00:01:52,387 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-26 00:01:52,397 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-26 00:01:52,398 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-26 00:01:52,401 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-26 00:01:52,402 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-26 00:01:52,418 WARN L623 FunctionHandler]: Unknown extern function memcmp [2022-11-26 00:01:52,431 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-11-26 00:01:52,456 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-11-26 00:01:52,459 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-11-26 00:01:52,462 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-11-26 00:01:52,465 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-11-26 00:01:52,496 WARN L623 FunctionHandler]: Unknown extern function __nand_calculate_ecc [2022-11-26 00:01:52,500 WARN L623 FunctionHandler]: Unknown extern function __nand_correct_data [2022-11-26 00:01:52,502 WARN L623 FunctionHandler]: Unknown extern function __nand_calculate_ecc [2022-11-26 00:01:52,504 WARN L623 FunctionHandler]: Unknown extern function __nand_correct_data [2022-11-26 00:01:52,515 WARN L623 FunctionHandler]: Unknown extern function mtd_read_oob [2022-11-26 00:01:52,516 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:01:52,521 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-11-26 00:01:52,528 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-11-26 00:01:52,530 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:01:52,538 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:01:52,547 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:01:52,558 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:01:52,562 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-11-26 00:01:52,564 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-11-26 00:01:52,573 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:01:52,581 WARN L623 FunctionHandler]: Unknown extern function __nand_calculate_ecc [2022-11-26 00:01:52,582 WARN L623 FunctionHandler]: Unknown extern function __nand_calculate_ecc [2022-11-26 00:01:52,592 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:01:52,602 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:01:52,603 WARN L623 FunctionHandler]: Unknown extern function mtd_erase [2022-11-26 00:01:52,604 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:01:52,605 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:01:52,607 WARN L623 FunctionHandler]: Unknown extern function __kfifo_in [2022-11-26 00:01:52,618 WARN L623 FunctionHandler]: Unknown extern function complete [2022-11-26 00:01:52,642 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:01:52,649 WARN L623 FunctionHandler]: Unknown extern function memcmp [2022-11-26 00:01:52,663 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:01:52,667 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:01:52,673 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:01:52,677 WARN L623 FunctionHandler]: Unknown extern function __kfifo_alloc [2022-11-26 00:01:52,678 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-26 00:01:52,680 WARN L623 FunctionHandler]: Unknown extern function __kfifo_in [2022-11-26 00:01:52,681 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:01:52,689 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:01:52,690 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:01:52,691 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:01:52,694 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:01:52,697 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:01:52,699 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:01:52,700 WARN L623 FunctionHandler]: Unknown extern function get_random_bytes [2022-11-26 00:01:52,703 WARN L623 FunctionHandler]: Unknown extern function __kfifo_out [2022-11-26 00:01:52,704 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-11-26 00:01:52,706 WARN L623 FunctionHandler]: Unknown extern function __kfifo_in [2022-11-26 00:01:52,751 WARN L623 FunctionHandler]: Unknown extern function __kfifo_out [2022-11-26 00:01:52,752 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:01:52,791 WARN L623 FunctionHandler]: Unknown extern function msecs_to_jiffies [2022-11-26 00:01:52,801 WARN L623 FunctionHandler]: Unknown extern function cancel_work_sync [2022-11-26 00:01:52,812 WARN L623 FunctionHandler]: Unknown extern function __mutex_init [2022-11-26 00:01:52,813 WARN L623 FunctionHandler]: Unknown extern function init_timer_key [2022-11-26 00:01:52,815 WARN L623 FunctionHandler]: Unknown extern function __init_work [2022-11-26 00:01:52,816 WARN L623 FunctionHandler]: Unknown extern function lockdep_init_map [2022-11-26 00:01:52,818 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:01:52,823 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:01:52,824 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:01:52,825 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:01:52,825 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:01:52,826 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:01:52,827 WARN L623 FunctionHandler]: Unknown extern function add_mtd_blktrans_dev [2022-11-26 00:01:52,827 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:01:52,828 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-26 00:01:52,828 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-26 00:01:52,828 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-26 00:01:52,829 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-26 00:01:52,829 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-26 00:01:52,834 WARN L623 FunctionHandler]: Unknown extern function del_mtd_blktrans_dev [2022-11-26 00:01:52,842 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-26 00:01:52,843 WARN L623 FunctionHandler]: Unknown extern function __kfifo_free [2022-11-26 00:01:52,845 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-26 00:01:52,846 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-26 00:01:52,846 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-26 00:01:52,846 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-26 00:01:52,852 WARN L623 FunctionHandler]: Unknown extern function __alloc_workqueue_key [2022-11-26 00:01:52,855 WARN L623 FunctionHandler]: Unknown extern function destroy_workqueue [2022-11-26 00:01:52,859 WARN L623 FunctionHandler]: Unknown extern function destroy_workqueue [2022-11-26 00:01:52,958 WARN L623 FunctionHandler]: Unknown extern function ldv_after_alloc [2022-11-26 00:01:52,964 WARN L623 FunctionHandler]: Unknown extern function wait_for_completion [2022-11-26 00:01:52,966 WARN L623 FunctionHandler]: Unknown extern function del_timer [2022-11-26 00:01:52,967 WARN L623 FunctionHandler]: Unknown extern function mod_timer [2022-11-26 00:01:52,969 WARN L623 FunctionHandler]: Unknown extern function del_timer_sync [2022-11-26 00:01:52,970 WARN L623 FunctionHandler]: Unknown extern function register_mtd_blktrans [2022-11-26 00:01:52,971 WARN L623 FunctionHandler]: Unknown extern function deregister_mtd_blktrans [2022-11-26 00:01:53,441 WARN L623 FunctionHandler]: Unknown extern function ldv_after_alloc [2022-11-26 00:01:53,658 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-26 00:01:54,095 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06479d6d-a340-47c8-a7e8-124678833506/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--sm_ftl.ko.cil.i[260078,260091] [2022-11-26 00:01:54,100 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06479d6d-a340-47c8-a7e8-124678833506/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--sm_ftl.ko.cil.i[260223,260236] [2022-11-26 00:01:54,100 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06479d6d-a340-47c8-a7e8-124678833506/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--sm_ftl.ko.cil.i[260369,260382] [2022-11-26 00:01:54,101 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06479d6d-a340-47c8-a7e8-124678833506/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--sm_ftl.ko.cil.i[260534,260547] [2022-11-26 00:01:54,101 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06479d6d-a340-47c8-a7e8-124678833506/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--sm_ftl.ko.cil.i[260692,260705] [2022-11-26 00:01:54,102 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06479d6d-a340-47c8-a7e8-124678833506/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--sm_ftl.ko.cil.i[260850,260863] [2022-11-26 00:01:54,102 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06479d6d-a340-47c8-a7e8-124678833506/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--sm_ftl.ko.cil.i[261008,261021] [2022-11-26 00:01:54,103 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06479d6d-a340-47c8-a7e8-124678833506/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--sm_ftl.ko.cil.i[261168,261181] [2022-11-26 00:01:54,103 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06479d6d-a340-47c8-a7e8-124678833506/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--sm_ftl.ko.cil.i[261327,261340] [2022-11-26 00:01:54,104 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06479d6d-a340-47c8-a7e8-124678833506/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--sm_ftl.ko.cil.i[261466,261479] [2022-11-26 00:01:54,105 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06479d6d-a340-47c8-a7e8-124678833506/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--sm_ftl.ko.cil.i[261608,261621] [2022-11-26 00:01:54,106 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06479d6d-a340-47c8-a7e8-124678833506/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--sm_ftl.ko.cil.i[261757,261770] [2022-11-26 00:01:54,106 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06479d6d-a340-47c8-a7e8-124678833506/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--sm_ftl.ko.cil.i[261896,261909] [2022-11-26 00:01:54,106 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06479d6d-a340-47c8-a7e8-124678833506/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--sm_ftl.ko.cil.i[262051,262064] [2022-11-26 00:01:54,107 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06479d6d-a340-47c8-a7e8-124678833506/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--sm_ftl.ko.cil.i[262211,262224] [2022-11-26 00:01:54,107 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06479d6d-a340-47c8-a7e8-124678833506/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--sm_ftl.ko.cil.i[262362,262375] [2022-11-26 00:01:54,109 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06479d6d-a340-47c8-a7e8-124678833506/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--sm_ftl.ko.cil.i[262513,262526] [2022-11-26 00:01:54,109 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06479d6d-a340-47c8-a7e8-124678833506/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--sm_ftl.ko.cil.i[262665,262678] [2022-11-26 00:01:54,110 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06479d6d-a340-47c8-a7e8-124678833506/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--sm_ftl.ko.cil.i[262814,262827] [2022-11-26 00:01:54,110 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06479d6d-a340-47c8-a7e8-124678833506/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--sm_ftl.ko.cil.i[262962,262975] [2022-11-26 00:01:54,111 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06479d6d-a340-47c8-a7e8-124678833506/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--sm_ftl.ko.cil.i[263119,263132] [2022-11-26 00:01:54,111 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06479d6d-a340-47c8-a7e8-124678833506/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--sm_ftl.ko.cil.i[263268,263281] [2022-11-26 00:01:54,112 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06479d6d-a340-47c8-a7e8-124678833506/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--sm_ftl.ko.cil.i[263424,263437] [2022-11-26 00:01:54,113 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06479d6d-a340-47c8-a7e8-124678833506/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--sm_ftl.ko.cil.i[263577,263590] [2022-11-26 00:01:54,113 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06479d6d-a340-47c8-a7e8-124678833506/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--sm_ftl.ko.cil.i[263723,263736] [2022-11-26 00:01:54,113 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06479d6d-a340-47c8-a7e8-124678833506/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--sm_ftl.ko.cil.i[263866,263879] [2022-11-26 00:01:54,114 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06479d6d-a340-47c8-a7e8-124678833506/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--sm_ftl.ko.cil.i[264018,264031] [2022-11-26 00:01:54,115 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06479d6d-a340-47c8-a7e8-124678833506/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--sm_ftl.ko.cil.i[264164,264177] [2022-11-26 00:01:54,116 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06479d6d-a340-47c8-a7e8-124678833506/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--sm_ftl.ko.cil.i[264309,264322] [2022-11-26 00:01:54,116 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06479d6d-a340-47c8-a7e8-124678833506/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--sm_ftl.ko.cil.i[264463,264476] [2022-11-26 00:01:54,116 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06479d6d-a340-47c8-a7e8-124678833506/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--sm_ftl.ko.cil.i[264614,264627] [2022-11-26 00:01:54,117 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06479d6d-a340-47c8-a7e8-124678833506/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--sm_ftl.ko.cil.i[264769,264782] [2022-11-26 00:01:54,118 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06479d6d-a340-47c8-a7e8-124678833506/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--sm_ftl.ko.cil.i[264921,264934] [2022-11-26 00:01:54,119 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06479d6d-a340-47c8-a7e8-124678833506/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--sm_ftl.ko.cil.i[265076,265089] [2022-11-26 00:01:54,119 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06479d6d-a340-47c8-a7e8-124678833506/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--sm_ftl.ko.cil.i[265240,265253] [2022-11-26 00:01:54,119 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06479d6d-a340-47c8-a7e8-124678833506/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--sm_ftl.ko.cil.i[265396,265409] [2022-11-26 00:01:54,120 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06479d6d-a340-47c8-a7e8-124678833506/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--sm_ftl.ko.cil.i[265560,265573] [2022-11-26 00:01:54,120 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06479d6d-a340-47c8-a7e8-124678833506/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--sm_ftl.ko.cil.i[265702,265715] [2022-11-26 00:01:54,121 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06479d6d-a340-47c8-a7e8-124678833506/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--sm_ftl.ko.cil.i[265860,265873] [2022-11-26 00:01:54,121 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06479d6d-a340-47c8-a7e8-124678833506/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--sm_ftl.ko.cil.i[266027,266040] [2022-11-26 00:01:54,122 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06479d6d-a340-47c8-a7e8-124678833506/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--sm_ftl.ko.cil.i[266186,266199] [2022-11-26 00:01:54,122 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06479d6d-a340-47c8-a7e8-124678833506/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--sm_ftl.ko.cil.i[266345,266358] [2022-11-26 00:01:54,123 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06479d6d-a340-47c8-a7e8-124678833506/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--sm_ftl.ko.cil.i[266494,266507] [2022-11-26 00:01:54,130 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06479d6d-a340-47c8-a7e8-124678833506/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--sm_ftl.ko.cil.i[266641,266654] [2022-11-26 00:01:54,132 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06479d6d-a340-47c8-a7e8-124678833506/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--sm_ftl.ko.cil.i[266780,266793] [2022-11-26 00:01:54,133 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06479d6d-a340-47c8-a7e8-124678833506/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--sm_ftl.ko.cil.i[266943,266956] [2022-11-26 00:01:54,136 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06479d6d-a340-47c8-a7e8-124678833506/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--sm_ftl.ko.cil.i[267109,267122] [2022-11-26 00:01:54,138 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06479d6d-a340-47c8-a7e8-124678833506/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--sm_ftl.ko.cil.i[267273,267286] [2022-11-26 00:01:54,139 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06479d6d-a340-47c8-a7e8-124678833506/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--sm_ftl.ko.cil.i[267438,267451] [2022-11-26 00:01:54,139 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06479d6d-a340-47c8-a7e8-124678833506/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--sm_ftl.ko.cil.i[267603,267616] [2022-11-26 00:01:54,140 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06479d6d-a340-47c8-a7e8-124678833506/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--sm_ftl.ko.cil.i[267769,267782] [2022-11-26 00:01:54,141 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06479d6d-a340-47c8-a7e8-124678833506/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--sm_ftl.ko.cil.i[267934,267947] [2022-11-26 00:01:54,142 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06479d6d-a340-47c8-a7e8-124678833506/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--sm_ftl.ko.cil.i[268101,268114] [2022-11-26 00:01:54,143 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06479d6d-a340-47c8-a7e8-124678833506/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--sm_ftl.ko.cil.i[268261,268274] [2022-11-26 00:01:54,144 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06479d6d-a340-47c8-a7e8-124678833506/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--sm_ftl.ko.cil.i[268423,268436] [2022-11-26 00:01:54,148 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06479d6d-a340-47c8-a7e8-124678833506/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--sm_ftl.ko.cil.i[268582,268595] [2022-11-26 00:01:54,149 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06479d6d-a340-47c8-a7e8-124678833506/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--sm_ftl.ko.cil.i[268728,268741] [2022-11-26 00:01:54,150 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06479d6d-a340-47c8-a7e8-124678833506/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--sm_ftl.ko.cil.i[268871,268884] [2022-11-26 00:01:54,150 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06479d6d-a340-47c8-a7e8-124678833506/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--sm_ftl.ko.cil.i[269015,269028] [2022-11-26 00:01:54,150 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06479d6d-a340-47c8-a7e8-124678833506/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--sm_ftl.ko.cil.i[269158,269171] [2022-11-26 00:01:54,151 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06479d6d-a340-47c8-a7e8-124678833506/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--sm_ftl.ko.cil.i[269302,269315] [2022-11-26 00:01:54,152 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06479d6d-a340-47c8-a7e8-124678833506/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--sm_ftl.ko.cil.i[269443,269456] [2022-11-26 00:01:54,152 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06479d6d-a340-47c8-a7e8-124678833506/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--sm_ftl.ko.cil.i[269581,269594] [2022-11-26 00:01:54,152 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06479d6d-a340-47c8-a7e8-124678833506/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--sm_ftl.ko.cil.i[269739,269752] [2022-11-26 00:01:54,153 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06479d6d-a340-47c8-a7e8-124678833506/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--sm_ftl.ko.cil.i[269898,269911] [2022-11-26 00:01:54,153 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06479d6d-a340-47c8-a7e8-124678833506/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--sm_ftl.ko.cil.i[270054,270067] [2022-11-26 00:01:54,154 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06479d6d-a340-47c8-a7e8-124678833506/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--sm_ftl.ko.cil.i[270203,270216] [2022-11-26 00:01:54,155 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06479d6d-a340-47c8-a7e8-124678833506/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--sm_ftl.ko.cil.i[270355,270368] [2022-11-26 00:01:54,155 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06479d6d-a340-47c8-a7e8-124678833506/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--sm_ftl.ko.cil.i[270506,270519] [2022-11-26 00:01:54,156 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06479d6d-a340-47c8-a7e8-124678833506/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--sm_ftl.ko.cil.i[270655,270668] [2022-11-26 00:01:54,156 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06479d6d-a340-47c8-a7e8-124678833506/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--sm_ftl.ko.cil.i[270807,270820] [2022-11-26 00:01:54,157 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06479d6d-a340-47c8-a7e8-124678833506/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--sm_ftl.ko.cil.i[270955,270968] [2022-11-26 00:01:54,157 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06479d6d-a340-47c8-a7e8-124678833506/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--sm_ftl.ko.cil.i[271108,271121] [2022-11-26 00:01:54,157 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06479d6d-a340-47c8-a7e8-124678833506/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--sm_ftl.ko.cil.i[271259,271272] [2022-11-26 00:01:54,158 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06479d6d-a340-47c8-a7e8-124678833506/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--sm_ftl.ko.cil.i[271409,271422] [2022-11-26 00:01:54,158 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06479d6d-a340-47c8-a7e8-124678833506/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--sm_ftl.ko.cil.i[271556,271569] [2022-11-26 00:01:54,159 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06479d6d-a340-47c8-a7e8-124678833506/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--sm_ftl.ko.cil.i[271707,271720] [2022-11-26 00:01:54,159 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06479d6d-a340-47c8-a7e8-124678833506/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--sm_ftl.ko.cil.i[271858,271871] [2022-11-26 00:01:54,159 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06479d6d-a340-47c8-a7e8-124678833506/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--sm_ftl.ko.cil.i[272006,272019] [2022-11-26 00:01:54,160 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06479d6d-a340-47c8-a7e8-124678833506/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--sm_ftl.ko.cil.i[272172,272185] [2022-11-26 00:01:54,160 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06479d6d-a340-47c8-a7e8-124678833506/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--sm_ftl.ko.cil.i[272341,272354] [2022-11-26 00:01:54,161 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06479d6d-a340-47c8-a7e8-124678833506/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--sm_ftl.ko.cil.i[272508,272521] [2022-11-26 00:01:54,161 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06479d6d-a340-47c8-a7e8-124678833506/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--sm_ftl.ko.cil.i[272676,272689] [2022-11-26 00:01:54,161 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06479d6d-a340-47c8-a7e8-124678833506/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--sm_ftl.ko.cil.i[272826,272839] [2022-11-26 00:01:54,162 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06479d6d-a340-47c8-a7e8-124678833506/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--sm_ftl.ko.cil.i[272973,272986] [2022-11-26 00:01:54,162 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06479d6d-a340-47c8-a7e8-124678833506/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--sm_ftl.ko.cil.i[273134,273147] [2022-11-26 00:01:54,163 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06479d6d-a340-47c8-a7e8-124678833506/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--sm_ftl.ko.cil.i[273304,273317] [2022-11-26 00:01:54,163 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06479d6d-a340-47c8-a7e8-124678833506/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--sm_ftl.ko.cil.i[273466,273479] [2022-11-26 00:01:54,175 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-26 00:01:54,206 INFO L203 MainTranslator]: Completed pre-run [2022-11-26 00:01:54,379 WARN L623 FunctionHandler]: Unknown extern function queue_work_on [2022-11-26 00:01:54,388 WARN L623 FunctionHandler]: Unknown extern function memcmp [2022-11-26 00:01:54,390 WARN L623 FunctionHandler]: Unknown extern function strncpy [2022-11-26 00:01:54,392 WARN L623 FunctionHandler]: Unknown extern function kstrndup [2022-11-26 00:01:54,398 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-26 00:01:54,399 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-26 00:01:54,399 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-26 00:01:54,400 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-26 00:01:54,400 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-26 00:01:54,401 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-26 00:01:54,402 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-26 00:01:54,404 WARN L623 FunctionHandler]: Unknown extern function memcmp [2022-11-26 00:01:54,406 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-11-26 00:01:54,410 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-11-26 00:01:54,411 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-11-26 00:01:54,411 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-11-26 00:01:54,412 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-11-26 00:01:54,415 WARN L623 FunctionHandler]: Unknown extern function __nand_calculate_ecc [2022-11-26 00:01:54,415 WARN L623 FunctionHandler]: Unknown extern function __nand_correct_data [2022-11-26 00:01:54,416 WARN L623 FunctionHandler]: Unknown extern function __nand_calculate_ecc [2022-11-26 00:01:54,416 WARN L623 FunctionHandler]: Unknown extern function __nand_correct_data [2022-11-26 00:01:54,423 WARN L623 FunctionHandler]: Unknown extern function mtd_read_oob [2022-11-26 00:01:54,423 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:01:54,425 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-11-26 00:01:54,426 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-11-26 00:01:54,427 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:01:54,428 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:01:54,431 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:01:54,433 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:01:54,434 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-11-26 00:01:54,435 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-11-26 00:01:54,438 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:01:54,439 WARN L623 FunctionHandler]: Unknown extern function __nand_calculate_ecc [2022-11-26 00:01:54,439 WARN L623 FunctionHandler]: Unknown extern function __nand_calculate_ecc [2022-11-26 00:01:54,441 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:01:54,447 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:01:54,448 WARN L623 FunctionHandler]: Unknown extern function mtd_erase [2022-11-26 00:01:54,449 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:01:54,449 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:01:54,450 WARN L623 FunctionHandler]: Unknown extern function __kfifo_in [2022-11-26 00:01:54,451 WARN L623 FunctionHandler]: Unknown extern function complete [2022-11-26 00:01:54,458 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:01:54,460 WARN L623 FunctionHandler]: Unknown extern function memcmp [2022-11-26 00:01:54,463 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:01:54,464 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:01:54,466 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:01:54,467 WARN L623 FunctionHandler]: Unknown extern function __kfifo_alloc [2022-11-26 00:01:54,467 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-26 00:01:54,469 WARN L623 FunctionHandler]: Unknown extern function __kfifo_in [2022-11-26 00:01:54,469 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:01:54,471 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:01:54,472 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:01:54,473 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:01:54,474 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:01:54,475 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:01:54,476 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:01:54,476 WARN L623 FunctionHandler]: Unknown extern function get_random_bytes [2022-11-26 00:01:54,477 WARN L623 FunctionHandler]: Unknown extern function __kfifo_out [2022-11-26 00:01:54,478 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-11-26 00:01:54,479 WARN L623 FunctionHandler]: Unknown extern function __kfifo_in [2022-11-26 00:01:54,489 WARN L623 FunctionHandler]: Unknown extern function __kfifo_out [2022-11-26 00:01:54,490 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:01:54,498 WARN L623 FunctionHandler]: Unknown extern function msecs_to_jiffies [2022-11-26 00:01:54,500 WARN L623 FunctionHandler]: Unknown extern function cancel_work_sync [2022-11-26 00:01:54,502 WARN L623 FunctionHandler]: Unknown extern function __mutex_init [2022-11-26 00:01:54,503 WARN L623 FunctionHandler]: Unknown extern function init_timer_key [2022-11-26 00:01:54,503 WARN L623 FunctionHandler]: Unknown extern function __init_work [2022-11-26 00:01:54,505 WARN L623 FunctionHandler]: Unknown extern function lockdep_init_map [2022-11-26 00:01:54,506 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:01:54,513 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:01:54,515 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:01:54,516 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:01:54,516 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:01:54,517 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:01:54,517 WARN L623 FunctionHandler]: Unknown extern function add_mtd_blktrans_dev [2022-11-26 00:01:54,518 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:01:54,518 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-26 00:01:54,519 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-26 00:01:54,519 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-26 00:01:54,519 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-26 00:01:54,520 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-26 00:01:54,521 WARN L623 FunctionHandler]: Unknown extern function del_mtd_blktrans_dev [2022-11-26 00:01:54,523 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-26 00:01:54,528 WARN L623 FunctionHandler]: Unknown extern function __kfifo_free [2022-11-26 00:01:54,528 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-26 00:01:54,529 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-26 00:01:54,529 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-26 00:01:54,530 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-26 00:01:54,532 WARN L623 FunctionHandler]: Unknown extern function __alloc_workqueue_key [2022-11-26 00:01:54,533 WARN L623 FunctionHandler]: Unknown extern function destroy_workqueue [2022-11-26 00:01:54,533 WARN L623 FunctionHandler]: Unknown extern function destroy_workqueue [2022-11-26 00:01:54,547 WARN L623 FunctionHandler]: Unknown extern function ldv_after_alloc [2022-11-26 00:01:54,548 WARN L623 FunctionHandler]: Unknown extern function wait_for_completion [2022-11-26 00:01:54,553 WARN L623 FunctionHandler]: Unknown extern function del_timer [2022-11-26 00:01:54,554 WARN L623 FunctionHandler]: Unknown extern function mod_timer [2022-11-26 00:01:54,555 WARN L623 FunctionHandler]: Unknown extern function del_timer_sync [2022-11-26 00:01:54,556 WARN L623 FunctionHandler]: Unknown extern function register_mtd_blktrans [2022-11-26 00:01:54,557 WARN L623 FunctionHandler]: Unknown extern function deregister_mtd_blktrans [2022-11-26 00:01:54,576 WARN L623 FunctionHandler]: Unknown extern function ldv_after_alloc [2022-11-26 00:01:54,586 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-26 00:01:54,615 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06479d6d-a340-47c8-a7e8-124678833506/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--sm_ftl.ko.cil.i[260078,260091] [2022-11-26 00:01:54,616 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06479d6d-a340-47c8-a7e8-124678833506/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--sm_ftl.ko.cil.i[260223,260236] [2022-11-26 00:01:54,616 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06479d6d-a340-47c8-a7e8-124678833506/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--sm_ftl.ko.cil.i[260369,260382] [2022-11-26 00:01:54,617 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06479d6d-a340-47c8-a7e8-124678833506/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--sm_ftl.ko.cil.i[260534,260547] [2022-11-26 00:01:54,617 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06479d6d-a340-47c8-a7e8-124678833506/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--sm_ftl.ko.cil.i[260692,260705] [2022-11-26 00:01:54,617 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06479d6d-a340-47c8-a7e8-124678833506/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--sm_ftl.ko.cil.i[260850,260863] [2022-11-26 00:01:54,618 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06479d6d-a340-47c8-a7e8-124678833506/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--sm_ftl.ko.cil.i[261008,261021] [2022-11-26 00:01:54,618 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06479d6d-a340-47c8-a7e8-124678833506/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--sm_ftl.ko.cil.i[261168,261181] [2022-11-26 00:01:54,619 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06479d6d-a340-47c8-a7e8-124678833506/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--sm_ftl.ko.cil.i[261327,261340] [2022-11-26 00:01:54,619 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06479d6d-a340-47c8-a7e8-124678833506/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--sm_ftl.ko.cil.i[261466,261479] [2022-11-26 00:01:54,620 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06479d6d-a340-47c8-a7e8-124678833506/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--sm_ftl.ko.cil.i[261608,261621] [2022-11-26 00:01:54,620 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06479d6d-a340-47c8-a7e8-124678833506/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--sm_ftl.ko.cil.i[261757,261770] [2022-11-26 00:01:54,620 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06479d6d-a340-47c8-a7e8-124678833506/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--sm_ftl.ko.cil.i[261896,261909] [2022-11-26 00:01:54,621 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06479d6d-a340-47c8-a7e8-124678833506/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--sm_ftl.ko.cil.i[262051,262064] [2022-11-26 00:01:54,621 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06479d6d-a340-47c8-a7e8-124678833506/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--sm_ftl.ko.cil.i[262211,262224] [2022-11-26 00:01:54,622 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06479d6d-a340-47c8-a7e8-124678833506/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--sm_ftl.ko.cil.i[262362,262375] [2022-11-26 00:01:54,622 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06479d6d-a340-47c8-a7e8-124678833506/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--sm_ftl.ko.cil.i[262513,262526] [2022-11-26 00:01:54,622 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06479d6d-a340-47c8-a7e8-124678833506/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--sm_ftl.ko.cil.i[262665,262678] [2022-11-26 00:01:54,623 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06479d6d-a340-47c8-a7e8-124678833506/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--sm_ftl.ko.cil.i[262814,262827] [2022-11-26 00:01:54,623 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06479d6d-a340-47c8-a7e8-124678833506/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--sm_ftl.ko.cil.i[262962,262975] [2022-11-26 00:01:54,624 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06479d6d-a340-47c8-a7e8-124678833506/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--sm_ftl.ko.cil.i[263119,263132] [2022-11-26 00:01:54,624 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06479d6d-a340-47c8-a7e8-124678833506/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--sm_ftl.ko.cil.i[263268,263281] [2022-11-26 00:01:54,624 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06479d6d-a340-47c8-a7e8-124678833506/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--sm_ftl.ko.cil.i[263424,263437] [2022-11-26 00:01:54,625 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06479d6d-a340-47c8-a7e8-124678833506/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--sm_ftl.ko.cil.i[263577,263590] [2022-11-26 00:01:54,625 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06479d6d-a340-47c8-a7e8-124678833506/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--sm_ftl.ko.cil.i[263723,263736] [2022-11-26 00:01:54,625 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06479d6d-a340-47c8-a7e8-124678833506/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--sm_ftl.ko.cil.i[263866,263879] [2022-11-26 00:01:54,625 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06479d6d-a340-47c8-a7e8-124678833506/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--sm_ftl.ko.cil.i[264018,264031] [2022-11-26 00:01:54,626 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06479d6d-a340-47c8-a7e8-124678833506/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--sm_ftl.ko.cil.i[264164,264177] [2022-11-26 00:01:54,626 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06479d6d-a340-47c8-a7e8-124678833506/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--sm_ftl.ko.cil.i[264309,264322] [2022-11-26 00:01:54,626 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06479d6d-a340-47c8-a7e8-124678833506/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--sm_ftl.ko.cil.i[264463,264476] [2022-11-26 00:01:54,626 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06479d6d-a340-47c8-a7e8-124678833506/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--sm_ftl.ko.cil.i[264614,264627] [2022-11-26 00:01:54,627 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06479d6d-a340-47c8-a7e8-124678833506/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--sm_ftl.ko.cil.i[264769,264782] [2022-11-26 00:01:54,627 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06479d6d-a340-47c8-a7e8-124678833506/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--sm_ftl.ko.cil.i[264921,264934] [2022-11-26 00:01:54,627 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06479d6d-a340-47c8-a7e8-124678833506/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--sm_ftl.ko.cil.i[265076,265089] [2022-11-26 00:01:54,628 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06479d6d-a340-47c8-a7e8-124678833506/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--sm_ftl.ko.cil.i[265240,265253] [2022-11-26 00:01:54,628 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06479d6d-a340-47c8-a7e8-124678833506/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--sm_ftl.ko.cil.i[265396,265409] [2022-11-26 00:01:54,628 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06479d6d-a340-47c8-a7e8-124678833506/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--sm_ftl.ko.cil.i[265560,265573] [2022-11-26 00:01:54,629 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06479d6d-a340-47c8-a7e8-124678833506/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--sm_ftl.ko.cil.i[265702,265715] [2022-11-26 00:01:54,629 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06479d6d-a340-47c8-a7e8-124678833506/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--sm_ftl.ko.cil.i[265860,265873] [2022-11-26 00:01:54,629 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06479d6d-a340-47c8-a7e8-124678833506/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--sm_ftl.ko.cil.i[266027,266040] [2022-11-26 00:01:54,629 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06479d6d-a340-47c8-a7e8-124678833506/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--sm_ftl.ko.cil.i[266186,266199] [2022-11-26 00:01:54,630 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06479d6d-a340-47c8-a7e8-124678833506/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--sm_ftl.ko.cil.i[266345,266358] [2022-11-26 00:01:54,630 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06479d6d-a340-47c8-a7e8-124678833506/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--sm_ftl.ko.cil.i[266494,266507] [2022-11-26 00:01:54,630 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06479d6d-a340-47c8-a7e8-124678833506/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--sm_ftl.ko.cil.i[266641,266654] [2022-11-26 00:01:54,631 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06479d6d-a340-47c8-a7e8-124678833506/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--sm_ftl.ko.cil.i[266780,266793] [2022-11-26 00:01:54,631 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06479d6d-a340-47c8-a7e8-124678833506/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--sm_ftl.ko.cil.i[266943,266956] [2022-11-26 00:01:54,631 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06479d6d-a340-47c8-a7e8-124678833506/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--sm_ftl.ko.cil.i[267109,267122] [2022-11-26 00:01:54,632 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06479d6d-a340-47c8-a7e8-124678833506/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--sm_ftl.ko.cil.i[267273,267286] [2022-11-26 00:01:54,632 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06479d6d-a340-47c8-a7e8-124678833506/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--sm_ftl.ko.cil.i[267438,267451] [2022-11-26 00:01:54,632 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06479d6d-a340-47c8-a7e8-124678833506/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--sm_ftl.ko.cil.i[267603,267616] [2022-11-26 00:01:54,633 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06479d6d-a340-47c8-a7e8-124678833506/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--sm_ftl.ko.cil.i[267769,267782] [2022-11-26 00:01:54,633 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06479d6d-a340-47c8-a7e8-124678833506/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--sm_ftl.ko.cil.i[267934,267947] [2022-11-26 00:01:54,633 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06479d6d-a340-47c8-a7e8-124678833506/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--sm_ftl.ko.cil.i[268101,268114] [2022-11-26 00:01:54,634 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06479d6d-a340-47c8-a7e8-124678833506/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--sm_ftl.ko.cil.i[268261,268274] [2022-11-26 00:01:54,634 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06479d6d-a340-47c8-a7e8-124678833506/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--sm_ftl.ko.cil.i[268423,268436] [2022-11-26 00:01:54,634 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06479d6d-a340-47c8-a7e8-124678833506/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--sm_ftl.ko.cil.i[268582,268595] [2022-11-26 00:01:54,634 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06479d6d-a340-47c8-a7e8-124678833506/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--sm_ftl.ko.cil.i[268728,268741] [2022-11-26 00:01:54,635 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06479d6d-a340-47c8-a7e8-124678833506/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--sm_ftl.ko.cil.i[268871,268884] [2022-11-26 00:01:54,635 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06479d6d-a340-47c8-a7e8-124678833506/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--sm_ftl.ko.cil.i[269015,269028] [2022-11-26 00:01:54,635 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06479d6d-a340-47c8-a7e8-124678833506/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--sm_ftl.ko.cil.i[269158,269171] [2022-11-26 00:01:54,636 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06479d6d-a340-47c8-a7e8-124678833506/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--sm_ftl.ko.cil.i[269302,269315] [2022-11-26 00:01:54,636 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06479d6d-a340-47c8-a7e8-124678833506/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--sm_ftl.ko.cil.i[269443,269456] [2022-11-26 00:01:54,636 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06479d6d-a340-47c8-a7e8-124678833506/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--sm_ftl.ko.cil.i[269581,269594] [2022-11-26 00:01:54,637 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06479d6d-a340-47c8-a7e8-124678833506/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--sm_ftl.ko.cil.i[269739,269752] [2022-11-26 00:01:54,637 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06479d6d-a340-47c8-a7e8-124678833506/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--sm_ftl.ko.cil.i[269898,269911] [2022-11-26 00:01:54,637 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06479d6d-a340-47c8-a7e8-124678833506/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--sm_ftl.ko.cil.i[270054,270067] [2022-11-26 00:01:54,638 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06479d6d-a340-47c8-a7e8-124678833506/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--sm_ftl.ko.cil.i[270203,270216] [2022-11-26 00:01:54,638 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06479d6d-a340-47c8-a7e8-124678833506/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--sm_ftl.ko.cil.i[270355,270368] [2022-11-26 00:01:54,638 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06479d6d-a340-47c8-a7e8-124678833506/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--sm_ftl.ko.cil.i[270506,270519] [2022-11-26 00:01:54,639 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06479d6d-a340-47c8-a7e8-124678833506/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--sm_ftl.ko.cil.i[270655,270668] [2022-11-26 00:01:54,639 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06479d6d-a340-47c8-a7e8-124678833506/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--sm_ftl.ko.cil.i[270807,270820] [2022-11-26 00:01:54,639 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06479d6d-a340-47c8-a7e8-124678833506/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--sm_ftl.ko.cil.i[270955,270968] [2022-11-26 00:01:54,639 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06479d6d-a340-47c8-a7e8-124678833506/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--sm_ftl.ko.cil.i[271108,271121] [2022-11-26 00:01:54,640 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06479d6d-a340-47c8-a7e8-124678833506/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--sm_ftl.ko.cil.i[271259,271272] [2022-11-26 00:01:54,640 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06479d6d-a340-47c8-a7e8-124678833506/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--sm_ftl.ko.cil.i[271409,271422] [2022-11-26 00:01:54,640 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06479d6d-a340-47c8-a7e8-124678833506/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--sm_ftl.ko.cil.i[271556,271569] [2022-11-26 00:01:54,641 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06479d6d-a340-47c8-a7e8-124678833506/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--sm_ftl.ko.cil.i[271707,271720] [2022-11-26 00:01:54,641 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06479d6d-a340-47c8-a7e8-124678833506/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--sm_ftl.ko.cil.i[271858,271871] [2022-11-26 00:01:54,641 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06479d6d-a340-47c8-a7e8-124678833506/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--sm_ftl.ko.cil.i[272006,272019] [2022-11-26 00:01:54,642 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06479d6d-a340-47c8-a7e8-124678833506/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--sm_ftl.ko.cil.i[272172,272185] [2022-11-26 00:01:54,642 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06479d6d-a340-47c8-a7e8-124678833506/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--sm_ftl.ko.cil.i[272341,272354] [2022-11-26 00:01:54,642 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06479d6d-a340-47c8-a7e8-124678833506/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--sm_ftl.ko.cil.i[272508,272521] [2022-11-26 00:01:54,643 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06479d6d-a340-47c8-a7e8-124678833506/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--sm_ftl.ko.cil.i[272676,272689] [2022-11-26 00:01:54,643 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06479d6d-a340-47c8-a7e8-124678833506/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--sm_ftl.ko.cil.i[272826,272839] [2022-11-26 00:01:54,643 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06479d6d-a340-47c8-a7e8-124678833506/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--sm_ftl.ko.cil.i[272973,272986] [2022-11-26 00:01:54,644 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06479d6d-a340-47c8-a7e8-124678833506/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--sm_ftl.ko.cil.i[273134,273147] [2022-11-26 00:01:54,644 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06479d6d-a340-47c8-a7e8-124678833506/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--sm_ftl.ko.cil.i[273304,273317] [2022-11-26 00:01:54,644 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06479d6d-a340-47c8-a7e8-124678833506/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--sm_ftl.ko.cil.i[273466,273479] [2022-11-26 00:01:54,647 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-26 00:01:54,818 INFO L208 MainTranslator]: Completed translation [2022-11-26 00:01:54,819 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:01:54 WrapperNode [2022-11-26 00:01:54,819 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-26 00:01:54,820 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-26 00:01:54,820 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-26 00:01:54,821 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-26 00:01:54,828 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:01:54" (1/1) ... [2022-11-26 00:01:54,905 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:01:54" (1/1) ... [2022-11-26 00:01:55,056 INFO L138 Inliner]: procedures = 498, calls = 1426, calls flagged for inlining = 214, calls inlined = 135, statements flattened = 3214 [2022-11-26 00:01:55,056 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-26 00:01:55,057 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-26 00:01:55,057 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-26 00:01:55,057 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-26 00:01:55,070 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:01:54" (1/1) ... [2022-11-26 00:01:55,070 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:01:54" (1/1) ... [2022-11-26 00:01:55,106 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:01:54" (1/1) ... [2022-11-26 00:01:55,107 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:01:54" (1/1) ... [2022-11-26 00:01:55,254 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:01:54" (1/1) ... [2022-11-26 00:01:55,268 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:01:54" (1/1) ... [2022-11-26 00:01:55,282 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:01:54" (1/1) ... [2022-11-26 00:01:55,294 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:01:54" (1/1) ... [2022-11-26 00:01:55,329 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-26 00:01:55,330 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-26 00:01:55,330 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-26 00:01:55,330 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-26 00:01:55,331 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:01:54" (1/1) ... [2022-11-26 00:01:55,337 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-26 00:01:55,347 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06479d6d-a340-47c8-a7e8-124678833506/bin/utaipan-ByfvJB40ur/z3 [2022-11-26 00:01:55,362 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06479d6d-a340-47c8-a7e8-124678833506/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-26 00:01:55,378 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06479d6d-a340-47c8-a7e8-124678833506/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-26 00:01:55,404 INFO L130 BoogieDeclarations]: Found specification of procedure sm_mark_block_bad [2022-11-26 00:01:55,404 INFO L138 BoogieDeclarations]: Found implementation of procedure sm_mark_block_bad [2022-11-26 00:01:55,404 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_coherent_check_final_state [2022-11-26 00:01:55,404 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_coherent_check_final_state [2022-11-26 00:01:55,404 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-11-26 00:01:55,404 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-11-26 00:01:55,405 INFO L130 BoogieDeclarations]: Found specification of procedure variable_test_bit [2022-11-26 00:01:55,405 INFO L138 BoogieDeclarations]: Found implementation of procedure variable_test_bit [2022-11-26 00:01:55,405 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_mutex_mutex_unlock_mutex_of_sm_ftl [2022-11-26 00:01:55,405 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_mutex_mutex_unlock_mutex_of_sm_ftl [2022-11-26 00:01:55,405 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-26 00:01:55,405 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-26 00:01:55,405 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_mmc_sdio_func_check_final_state [2022-11-26 00:01:55,405 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_mmc_sdio_func_check_final_state [2022-11-26 00:01:55,405 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2022-11-26 00:01:55,405 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2022-11-26 00:01:55,406 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_arch_io_check_final_state [2022-11-26 00:01:55,406 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_arch_io_check_final_state [2022-11-26 00:01:55,406 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_module_check_final_state [2022-11-26 00:01:55,406 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_module_check_final_state [2022-11-26 00:01:55,406 INFO L130 BoogieDeclarations]: Found specification of procedure sm_read_lba [2022-11-26 00:01:55,406 INFO L138 BoogieDeclarations]: Found implementation of procedure sm_read_lba [2022-11-26 00:01:55,406 INFO L130 BoogieDeclarations]: Found specification of procedure sm_check_block [2022-11-26 00:01:55,406 INFO L138 BoogieDeclarations]: Found implementation of procedure sm_check_block [2022-11-26 00:01:55,406 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2022-11-26 00:01:55,407 INFO L130 BoogieDeclarations]: Found specification of procedure sm_release [2022-11-26 00:01:55,407 INFO L138 BoogieDeclarations]: Found implementation of procedure sm_release [2022-11-26 00:01:55,407 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-11-26 00:01:55,407 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-11-26 00:01:55,407 INFO L130 BoogieDeclarations]: Found specification of procedure sm_cache_init [2022-11-26 00:01:55,407 INFO L138 BoogieDeclarations]: Found implementation of procedure sm_cache_init [2022-11-26 00:01:55,407 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-11-26 00:01:55,407 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-11-26 00:01:55,408 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_queue_check_final_state [2022-11-26 00:01:55,408 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_queue_check_final_state [2022-11-26 00:01:55,408 INFO L130 BoogieDeclarations]: Found specification of procedure sm_read_sector [2022-11-26 00:01:55,408 INFO L138 BoogieDeclarations]: Found implementation of procedure sm_read_sector [2022-11-26 00:01:55,408 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-26 00:01:55,408 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_request_check_final_state [2022-11-26 00:01:55,408 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_request_check_final_state [2022-11-26 00:01:55,408 INFO L130 BoogieDeclarations]: Found specification of procedure sm_write_sector [2022-11-26 00:01:55,408 INFO L138 BoogieDeclarations]: Found implementation of procedure sm_write_sector [2022-11-26 00:01:55,409 INFO L130 BoogieDeclarations]: Found specification of procedure __nand_calculate_ecc [2022-11-26 00:01:55,409 INFO L138 BoogieDeclarations]: Found implementation of procedure __nand_calculate_ecc [2022-11-26 00:01:55,409 INFO L130 BoogieDeclarations]: Found specification of procedure __kfifo_uint_must_check_helper [2022-11-26 00:01:55,409 INFO L138 BoogieDeclarations]: Found implementation of procedure __kfifo_uint_must_check_helper [2022-11-26 00:01:55,409 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-11-26 00:01:55,409 INFO L130 BoogieDeclarations]: Found specification of procedure sm_remove_dev [2022-11-26 00:01:55,409 INFO L138 BoogieDeclarations]: Found implementation of procedure sm_remove_dev [2022-11-26 00:01:55,409 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-26 00:01:55,409 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_in_interrupt_context [2022-11-26 00:01:55,410 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_in_interrupt_context [2022-11-26 00:01:55,410 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-11-26 00:01:55,410 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-11-26 00:01:55,410 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_mutex_mutex_lock_mutex_of_sm_ftl [2022-11-26 00:01:55,410 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_mutex_mutex_lock_mutex_of_sm_ftl [2022-11-26 00:01:55,410 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_bh_check_final_state [2022-11-26 00:01:55,410 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_bh_check_final_state [2022-11-26 00:01:55,410 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-26 00:01:55,411 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_genhd_check_final_state [2022-11-26 00:01:55,411 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_genhd_check_final_state [2022-11-26 00:01:55,411 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_after_alloc [2022-11-26 00:01:55,411 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_after_alloc [2022-11-26 00:01:55,411 INFO L130 BoogieDeclarations]: Found specification of procedure sm_recheck_media [2022-11-26 00:01:55,411 INFO L138 BoogieDeclarations]: Found implementation of procedure sm_recheck_media [2022-11-26 00:01:55,411 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-11-26 00:01:55,411 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-11-26 00:01:55,411 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_register_reset_error_counter [2022-11-26 00:01:55,412 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_register_reset_error_counter [2022-11-26 00:01:55,412 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2022-11-26 00:01:55,412 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2022-11-26 00:01:55,412 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_lib_idr_check_final_state [2022-11-26 00:01:55,412 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_lib_idr_check_final_state [2022-11-26 00:01:55,412 INFO L130 BoogieDeclarations]: Found specification of procedure sm_cache_put [2022-11-26 00:01:55,412 INFO L138 BoogieDeclarations]: Found implementation of procedure sm_cache_put [2022-11-26 00:01:55,412 INFO L130 BoogieDeclarations]: Found specification of procedure sm_read_cis [2022-11-26 00:01:55,413 INFO L138 BoogieDeclarations]: Found implementation of procedure sm_read_cis [2022-11-26 00:01:55,413 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_srcu_check_final_state [2022-11-26 00:01:55,413 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_srcu_check_final_state [2022-11-26 00:01:55,413 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-26 00:01:55,413 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-26 00:01:55,413 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-11-26 00:01:55,413 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-11-26 00:01:55,413 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-26 00:01:55,413 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-11-26 00:01:55,414 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-11-26 00:01:55,414 INFO L130 BoogieDeclarations]: Found specification of procedure __kfifo_out [2022-11-26 00:01:55,414 INFO L138 BoogieDeclarations]: Found implementation of procedure __kfifo_out [2022-11-26 00:01:55,414 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_register_reset_error_counter [2022-11-26 00:01:55,414 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_register_reset_error_counter [2022-11-26 00:01:55,414 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2022-11-26 00:01:55,414 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2022-11-26 00:01:55,414 INFO L130 BoogieDeclarations]: Found specification of procedure sm_cache_flush [2022-11-26 00:01:55,414 INFO L138 BoogieDeclarations]: Found implementation of procedure sm_cache_flush [2022-11-26 00:01:55,415 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-26 00:01:55,415 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-26 00:01:55,415 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2022-11-26 00:01:55,415 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2022-11-26 00:01:55,415 INFO L130 BoogieDeclarations]: Found specification of procedure sm_get_zone [2022-11-26 00:01:55,415 INFO L138 BoogieDeclarations]: Found implementation of procedure sm_get_zone [2022-11-26 00:01:55,415 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-11-26 00:01:55,415 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-26 00:01:55,416 INFO L130 BoogieDeclarations]: Found specification of procedure __arch_hweight16 [2022-11-26 00:01:55,416 INFO L138 BoogieDeclarations]: Found implementation of procedure __arch_hweight16 [2022-11-26 00:01:55,416 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-11-26 00:01:55,416 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-11-26 00:01:55,416 INFO L130 BoogieDeclarations]: Found specification of procedure destroy_workqueue [2022-11-26 00:01:55,416 INFO L138 BoogieDeclarations]: Found implementation of procedure destroy_workqueue [2022-11-26 00:01:55,416 INFO L130 BoogieDeclarations]: Found specification of procedure sm_mkoffset [2022-11-26 00:01:55,416 INFO L138 BoogieDeclarations]: Found implementation of procedure sm_mkoffset [2022-11-26 00:01:55,416 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-26 00:01:55,417 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-26 00:01:55,417 INFO L130 BoogieDeclarations]: Found specification of procedure sm_get_lba [2022-11-26 00:01:55,417 INFO L138 BoogieDeclarations]: Found implementation of procedure sm_get_lba [2022-11-26 00:01:55,417 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_sock_check_final_state [2022-11-26 00:01:55,417 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_sock_check_final_state [2022-11-26 00:01:55,417 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_gadget_check_final_state [2022-11-26 00:01:55,417 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_gadget_check_final_state [2022-11-26 00:01:55,417 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-26 00:01:55,417 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_fs_sysfs_check_final_state [2022-11-26 00:01:55,418 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_fs_sysfs_check_final_state [2022-11-26 00:01:55,418 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-26 00:01:55,418 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-26 00:01:55,418 INFO L130 BoogieDeclarations]: Found specification of procedure mtd_is_eccerr [2022-11-26 00:01:55,418 INFO L138 BoogieDeclarations]: Found implementation of procedure mtd_is_eccerr [2022-11-26 00:01:55,418 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2022-11-26 00:01:55,418 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2022-11-26 00:01:55,418 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_rtnetlink_check_final_state [2022-11-26 00:01:55,418 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_rtnetlink_check_final_state [2022-11-26 00:01:55,418 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-11-26 00:01:55,419 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-11-26 00:01:55,419 INFO L130 BoogieDeclarations]: Found specification of procedure __kfifo_in [2022-11-26 00:01:55,419 INFO L138 BoogieDeclarations]: Found implementation of procedure __kfifo_in [2022-11-26 00:01:55,419 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-11-26 00:01:55,419 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-11-26 00:01:55,419 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_check_final_state [2022-11-26 00:01:55,419 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_check_final_state [2022-11-26 00:01:55,419 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock [2022-11-26 00:01:55,419 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock [2022-11-26 00:01:55,420 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_urb_check_final_state [2022-11-26 00:01:55,420 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_urb_check_final_state [2022-11-26 00:01:55,420 INFO L130 BoogieDeclarations]: Found specification of procedure __nand_correct_data [2022-11-26 00:01:55,420 INFO L138 BoogieDeclarations]: Found implementation of procedure __nand_correct_data [2022-11-26 00:01:55,420 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_rwlock_check_final_state [2022-11-26 00:01:55,420 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_rwlock_check_final_state [2022-11-26 00:01:55,420 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-11-26 00:01:55,420 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-11-26 00:01:55,421 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlock [2022-11-26 00:01:55,421 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlock [2022-11-26 00:01:55,421 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-26 00:01:55,421 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_fs_char_dev_check_final_state [2022-11-26 00:01:55,421 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_fs_char_dev_check_final_state [2022-11-26 00:01:55,421 INFO L130 BoogieDeclarations]: Found specification of procedure is_power_of_2 [2022-11-26 00:01:55,421 INFO L138 BoogieDeclarations]: Found implementation of procedure is_power_of_2 [2022-11-26 00:01:55,421 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-26 00:01:55,421 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-26 00:01:55,422 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_drivers_base_class_check_final_state [2022-11-26 00:01:55,422 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_drivers_base_class_check_final_state [2022-11-26 00:01:55,422 INFO L130 BoogieDeclarations]: Found specification of procedure sm_sector_valid [2022-11-26 00:01:55,422 INFO L138 BoogieDeclarations]: Found implementation of procedure sm_sector_valid [2022-11-26 00:01:55,422 INFO L130 BoogieDeclarations]: Found specification of procedure sm_erase_block [2022-11-26 00:01:55,422 INFO L138 BoogieDeclarations]: Found implementation of procedure sm_erase_block [2022-11-26 00:01:55,422 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2022-11-26 00:01:55,422 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2022-11-26 00:01:55,422 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-11-26 00:01:55,423 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-11-26 00:01:55,423 INFO L130 BoogieDeclarations]: Found specification of procedure sm_break_offset [2022-11-26 00:01:55,423 INFO L138 BoogieDeclarations]: Found implementation of procedure sm_break_offset [2022-11-26 00:01:55,423 INFO L130 BoogieDeclarations]: Found specification of procedure sm_block_valid [2022-11-26 00:01:55,423 INFO L138 BoogieDeclarations]: Found implementation of procedure sm_block_valid [2022-11-26 00:01:55,423 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_sched_check_final_state [2022-11-26 00:01:55,423 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_sched_check_final_state [2022-11-26 00:01:55,423 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-26 00:01:56,042 INFO L235 CfgBuilder]: Building ICFG [2022-11-26 00:01:56,046 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-26 00:01:56,774 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-11-26 00:01:58,993 INFO L276 CfgBuilder]: Performing block encoding [2022-11-26 00:01:59,808 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-26 00:01:59,808 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-26 00:01:59,814 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 12:01:59 BoogieIcfgContainer [2022-11-26 00:01:59,815 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-26 00:01:59,819 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-26 00:01:59,820 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-26 00:01:59,823 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-26 00:01:59,823 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.11 12:01:50" (1/3) ... [2022-11-26 00:01:59,826 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@63b28276 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 12:01:59, skipping insertion in model container [2022-11-26 00:01:59,827 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:01:54" (2/3) ... [2022-11-26 00:01:59,828 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@63b28276 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 12:01:59, skipping insertion in model container [2022-11-26 00:01:59,828 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 12:01:59" (3/3) ... [2022-11-26 00:01:59,829 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.0-rc1---drivers--mtd--sm_ftl.ko.cil.i [2022-11-26 00:01:59,849 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-26 00:01:59,849 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 27 error locations. [2022-11-26 00:01:59,934 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-26 00:01:59,943 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;@5132dbb4, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-26 00:01:59,943 INFO L358 AbstractCegarLoop]: Starting to check reachability of 27 error locations. [2022-11-26 00:01:59,956 INFO L276 IsEmpty]: Start isEmpty. Operand has 907 states, 551 states have (on average 1.3629764065335752) internal successors, (751), 602 states have internal predecessors, (751), 251 states have call successors, (251), 78 states have call predecessors, (251), 77 states have return successors, (248), 246 states have call predecessors, (248), 248 states have call successors, (248) [2022-11-26 00:01:59,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2022-11-26 00:01:59,969 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:01:59,970 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:01:59,970 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_linux_arch_io_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 25 more)] === [2022-11-26 00:01:59,977 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:01:59,978 INFO L85 PathProgramCache]: Analyzing trace with hash 835061062, now seen corresponding path program 1 times [2022-11-26 00:01:59,990 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:01:59,991 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [135534533] [2022-11-26 00:01:59,991 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:01:59,992 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:02:00,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:02:00,765 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-11-26 00:02:00,779 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:02:00,779 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [135534533] [2022-11-26 00:02:00,780 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [135534533] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:02:00,780 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:02:00,780 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-26 00:02:00,782 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [624105390] [2022-11-26 00:02:00,782 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:02:00,787 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-26 00:02:00,787 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:02:00,834 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-26 00:02:00,835 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-26 00:02:00,841 INFO L87 Difference]: Start difference. First operand has 907 states, 551 states have (on average 1.3629764065335752) internal successors, (751), 602 states have internal predecessors, (751), 251 states have call successors, (251), 78 states have call predecessors, (251), 77 states have return successors, (248), 246 states have call predecessors, (248), 248 states have call successors, (248) Second operand has 4 states, 4 states have (on average 4.75) internal successors, (19), 4 states have internal predecessors, (19), 2 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2022-11-26 00:02:03,017 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:02:03,018 INFO L93 Difference]: Finished difference Result 1793 states and 2544 transitions. [2022-11-26 00:02:03,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-26 00:02:03,021 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 4.75) internal successors, (19), 4 states have internal predecessors, (19), 2 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 38 [2022-11-26 00:02:03,021 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:02:03,049 INFO L225 Difference]: With dead ends: 1793 [2022-11-26 00:02:03,050 INFO L226 Difference]: Without dead ends: 894 [2022-11-26 00:02:03,061 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 [2022-11-26 00:02:03,065 INFO L413 NwaCegarLoop]: 1060 mSDtfsCounter, 1204 mSDsluCounter, 1060 mSDsCounter, 0 mSdLazyCounter, 317 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1206 SdHoareTripleChecker+Valid, 2120 SdHoareTripleChecker+Invalid, 317 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 317 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2022-11-26 00:02:03,066 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1206 Valid, 2120 Invalid, 317 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 317 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2022-11-26 00:02:03,089 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 894 states. [2022-11-26 00:02:03,192 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 894 to 894. [2022-11-26 00:02:03,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 894 states, 544 states have (on average 1.3106617647058822) internal successors, (713), 592 states have internal predecessors, (713), 248 states have call successors, (248), 77 states have call predecessors, (248), 76 states have return successors, (246), 244 states have call predecessors, (246), 246 states have call successors, (246) [2022-11-26 00:02:03,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 894 states to 894 states and 1207 transitions. [2022-11-26 00:02:03,204 INFO L78 Accepts]: Start accepts. Automaton has 894 states and 1207 transitions. Word has length 38 [2022-11-26 00:02:03,206 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:02:03,206 INFO L495 AbstractCegarLoop]: Abstraction has 894 states and 1207 transitions. [2022-11-26 00:02:03,206 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 4.75) internal successors, (19), 4 states have internal predecessors, (19), 2 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2022-11-26 00:02:03,207 INFO L276 IsEmpty]: Start isEmpty. Operand 894 states and 1207 transitions. [2022-11-26 00:02:03,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2022-11-26 00:02:03,209 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:02:03,209 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:02:03,210 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-26 00:02:03,210 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_linux_block_genhd_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 25 more)] === [2022-11-26 00:02:03,211 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:02:03,211 INFO L85 PathProgramCache]: Analyzing trace with hash -545805266, now seen corresponding path program 1 times [2022-11-26 00:02:03,211 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:02:03,211 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [381732932] [2022-11-26 00:02:03,211 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:02:03,212 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:02:03,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:02:03,579 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-11-26 00:02:03,580 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:02:03,580 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [381732932] [2022-11-26 00:02:03,580 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [381732932] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:02:03,580 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:02:03,580 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-26 00:02:03,581 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [602662276] [2022-11-26 00:02:03,581 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:02:03,583 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-26 00:02:03,583 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:02:03,584 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-26 00:02:03,584 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-26 00:02:03,584 INFO L87 Difference]: Start difference. First operand 894 states and 1207 transitions. Second operand has 4 states, 4 states have (on average 5.5) internal successors, (22), 4 states have internal predecessors, (22), 2 states have call successors, (9), 2 states have call predecessors, (9), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2022-11-26 00:02:05,630 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:02:05,630 INFO L93 Difference]: Finished difference Result 894 states and 1207 transitions. [2022-11-26 00:02:05,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-26 00:02:05,631 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.5) internal successors, (22), 4 states have internal predecessors, (22), 2 states have call successors, (9), 2 states have call predecessors, (9), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 43 [2022-11-26 00:02:05,632 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:02:05,644 INFO L225 Difference]: With dead ends: 894 [2022-11-26 00:02:05,644 INFO L226 Difference]: Without dead ends: 892 [2022-11-26 00:02:05,646 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 [2022-11-26 00:02:05,649 INFO L413 NwaCegarLoop]: 1046 mSDtfsCounter, 1188 mSDsluCounter, 1046 mSDsCounter, 0 mSdLazyCounter, 315 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1190 SdHoareTripleChecker+Valid, 2092 SdHoareTripleChecker+Invalid, 315 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 315 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2022-11-26 00:02:05,649 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1190 Valid, 2092 Invalid, 315 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 315 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2022-11-26 00:02:05,654 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 892 states. [2022-11-26 00:02:05,723 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 892 to 892. [2022-11-26 00:02:05,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 892 states, 543 states have (on average 1.3093922651933703) internal successors, (711), 590 states have internal predecessors, (711), 248 states have call successors, (248), 77 states have call predecessors, (248), 76 states have return successors, (246), 244 states have call predecessors, (246), 246 states have call successors, (246) [2022-11-26 00:02:05,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 892 states to 892 states and 1205 transitions. [2022-11-26 00:02:05,735 INFO L78 Accepts]: Start accepts. Automaton has 892 states and 1205 transitions. Word has length 43 [2022-11-26 00:02:05,735 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:02:05,735 INFO L495 AbstractCegarLoop]: Abstraction has 892 states and 1205 transitions. [2022-11-26 00:02:05,736 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.5) internal successors, (22), 4 states have internal predecessors, (22), 2 states have call successors, (9), 2 states have call predecessors, (9), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2022-11-26 00:02:05,736 INFO L276 IsEmpty]: Start isEmpty. Operand 892 states and 1205 transitions. [2022-11-26 00:02:05,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2022-11-26 00:02:05,747 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:02:05,747 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:02:05,747 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-26 00:02:05,747 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_linux_block_queue_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 25 more)] === [2022-11-26 00:02:05,749 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:02:05,749 INFO L85 PathProgramCache]: Analyzing trace with hash -1450120804, now seen corresponding path program 1 times [2022-11-26 00:02:05,749 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:02:05,749 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1085296690] [2022-11-26 00:02:05,750 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:02:05,750 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:02:05,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:02:06,073 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-11-26 00:02:06,073 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:02:06,073 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1085296690] [2022-11-26 00:02:06,074 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1085296690] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:02:06,074 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:02:06,074 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-26 00:02:06,074 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [70007393] [2022-11-26 00:02:06,074 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:02:06,075 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-26 00:02:06,075 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:02:06,076 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-26 00:02:06,076 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-26 00:02:06,076 INFO L87 Difference]: Start difference. First operand 892 states and 1205 transitions. Second operand has 4 states, 4 states have (on average 6.25) internal successors, (25), 4 states have internal predecessors, (25), 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) [2022-11-26 00:02:08,296 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 [] [2022-11-26 00:02:09,785 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:02:09,785 INFO L93 Difference]: Finished difference Result 1683 states and 2245 transitions. [2022-11-26 00:02:09,793 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-26 00:02:09,794 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.25) internal successors, (25), 4 states have internal predecessors, (25), 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 48 [2022-11-26 00:02:09,794 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:02:09,810 INFO L225 Difference]: With dead ends: 1683 [2022-11-26 00:02:09,810 INFO L226 Difference]: Without dead ends: 1681 [2022-11-26 00:02:09,812 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 [2022-11-26 00:02:09,816 INFO L413 NwaCegarLoop]: 1309 mSDtfsCounter, 1044 mSDsluCounter, 2334 mSDsCounter, 0 mSdLazyCounter, 491 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1046 SdHoareTripleChecker+Valid, 3643 SdHoareTripleChecker+Invalid, 493 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 491 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.5s IncrementalHoareTripleChecker+Time [2022-11-26 00:02:09,817 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1046 Valid, 3643 Invalid, 493 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 491 Invalid, 1 Unknown, 0 Unchecked, 3.5s Time] [2022-11-26 00:02:09,821 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1681 states. [2022-11-26 00:02:09,952 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1681 to 1531. [2022-11-26 00:02:09,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1531 states, 937 states have (on average 1.3020277481323372) internal successors, (1220), 1002 states have internal predecessors, (1220), 433 states have call successors, (433), 137 states have call predecessors, (433), 136 states have return successors, (431), 426 states have call predecessors, (431), 431 states have call successors, (431) [2022-11-26 00:02:09,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1531 states to 1531 states and 2084 transitions. [2022-11-26 00:02:09,973 INFO L78 Accepts]: Start accepts. Automaton has 1531 states and 2084 transitions. Word has length 48 [2022-11-26 00:02:09,973 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:02:09,974 INFO L495 AbstractCegarLoop]: Abstraction has 1531 states and 2084 transitions. [2022-11-26 00:02:09,974 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.25) internal successors, (25), 4 states have internal predecessors, (25), 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) [2022-11-26 00:02:09,974 INFO L276 IsEmpty]: Start isEmpty. Operand 1531 states and 2084 transitions. [2022-11-26 00:02:09,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2022-11-26 00:02:09,993 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:02:09,993 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] [2022-11-26 00:02:09,994 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-26 00:02:09,994 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 25 more)] === [2022-11-26 00:02:09,995 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:02:09,996 INFO L85 PathProgramCache]: Analyzing trace with hash 1528918588, now seen corresponding path program 1 times [2022-11-26 00:02:09,996 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:02:09,996 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1220689123] [2022-11-26 00:02:09,996 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:02:09,996 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:02:10,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:02:10,547 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-11-26 00:02:10,548 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:02:10,548 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1220689123] [2022-11-26 00:02:10,548 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1220689123] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:02:10,548 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:02:10,548 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-26 00:02:10,549 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [792601060] [2022-11-26 00:02:10,549 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:02:10,549 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-26 00:02:10,549 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:02:10,550 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-26 00:02:10,551 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-26 00:02:10,551 INFO L87 Difference]: Start difference. First operand 1531 states and 2084 transitions. Second operand has 5 states, 5 states have (on average 4.8) internal successors, (24), 4 states have internal predecessors, (24), 2 states have call successors, (11), 3 states have call predecessors, (11), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2022-11-26 00:02:13,355 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:02:13,355 INFO L93 Difference]: Finished difference Result 1738 states and 2333 transitions. [2022-11-26 00:02:13,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-26 00:02:13,356 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 4.8) internal successors, (24), 4 states have internal predecessors, (24), 2 states have call successors, (11), 3 states have call predecessors, (11), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 50 [2022-11-26 00:02:13,356 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:02:13,368 INFO L225 Difference]: With dead ends: 1738 [2022-11-26 00:02:13,368 INFO L226 Difference]: Without dead ends: 1736 [2022-11-26 00:02:13,369 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-11-26 00:02:13,374 INFO L413 NwaCegarLoop]: 1206 mSDtfsCounter, 714 mSDsluCounter, 3009 mSDsCounter, 0 mSdLazyCounter, 646 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 715 SdHoareTripleChecker+Valid, 4215 SdHoareTripleChecker+Invalid, 647 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 646 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2022-11-26 00:02:13,375 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [715 Valid, 4215 Invalid, 647 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 646 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2022-11-26 00:02:13,379 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1736 states. [2022-11-26 00:02:13,612 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1736 to 1732. [2022-11-26 00:02:13,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1732 states, 1057 states have (on average 1.2961210974456008) internal successors, (1370), 1127 states have internal predecessors, (1370), 480 states have call successors, (480), 172 states have call predecessors, (480), 171 states have return successors, (478), 473 states have call predecessors, (478), 478 states have call successors, (478) [2022-11-26 00:02:13,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1732 states to 1732 states and 2328 transitions. [2022-11-26 00:02:13,635 INFO L78 Accepts]: Start accepts. Automaton has 1732 states and 2328 transitions. Word has length 50 [2022-11-26 00:02:13,635 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:02:13,636 INFO L495 AbstractCegarLoop]: Abstraction has 1732 states and 2328 transitions. [2022-11-26 00:02:13,636 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 4.8) internal successors, (24), 4 states have internal predecessors, (24), 2 states have call successors, (11), 3 states have call predecessors, (11), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2022-11-26 00:02:13,636 INFO L276 IsEmpty]: Start isEmpty. Operand 1732 states and 2328 transitions. [2022-11-26 00:02:13,637 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2022-11-26 00:02:13,637 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:02:13,637 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:02:13,638 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-26 00:02:13,638 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_linux_block_request_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 25 more)] === [2022-11-26 00:02:13,638 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:02:13,638 INFO L85 PathProgramCache]: Analyzing trace with hash 1677247389, now seen corresponding path program 1 times [2022-11-26 00:02:13,639 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:02:13,639 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1773307183] [2022-11-26 00:02:13,639 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:02:13,639 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:02:13,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:02:13,849 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-11-26 00:02:13,849 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:02:13,849 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1773307183] [2022-11-26 00:02:13,850 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1773307183] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:02:13,850 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:02:13,850 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-26 00:02:13,850 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [433653123] [2022-11-26 00:02:13,850 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:02:13,851 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-26 00:02:13,851 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:02:13,852 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-26 00:02:13,852 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-26 00:02:13,852 INFO L87 Difference]: Start difference. First operand 1732 states and 2328 transitions. Second operand has 4 states, 4 states have (on average 7.0) internal successors, (28), 4 states have internal predecessors, (28), 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) [2022-11-26 00:02:15,320 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:02:15,320 INFO L93 Difference]: Finished difference Result 1732 states and 2328 transitions. [2022-11-26 00:02:15,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-26 00:02:15,321 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 7.0) internal successors, (28), 4 states have internal predecessors, (28), 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 53 [2022-11-26 00:02:15,321 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:02:15,331 INFO L225 Difference]: With dead ends: 1732 [2022-11-26 00:02:15,332 INFO L226 Difference]: Without dead ends: 1730 [2022-11-26 00:02:15,333 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 [2022-11-26 00:02:15,334 INFO L413 NwaCegarLoop]: 1042 mSDtfsCounter, 1182 mSDsluCounter, 1042 mSDsCounter, 0 mSdLazyCounter, 315 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1184 SdHoareTripleChecker+Valid, 2084 SdHoareTripleChecker+Invalid, 315 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 315 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2022-11-26 00:02:15,334 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1184 Valid, 2084 Invalid, 315 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 315 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-11-26 00:02:15,336 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1730 states. [2022-11-26 00:02:15,438 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1730 to 1730. [2022-11-26 00:02:15,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1730 states, 1056 states have (on average 1.2954545454545454) internal successors, (1368), 1125 states have internal predecessors, (1368), 480 states have call successors, (480), 172 states have call predecessors, (480), 171 states have return successors, (478), 473 states have call predecessors, (478), 478 states have call successors, (478) [2022-11-26 00:02:15,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1730 states to 1730 states and 2326 transitions. [2022-11-26 00:02:15,455 INFO L78 Accepts]: Start accepts. Automaton has 1730 states and 2326 transitions. Word has length 53 [2022-11-26 00:02:15,456 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:02:15,456 INFO L495 AbstractCegarLoop]: Abstraction has 1730 states and 2326 transitions. [2022-11-26 00:02:15,456 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.0) internal successors, (28), 4 states have internal predecessors, (28), 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) [2022-11-26 00:02:15,456 INFO L276 IsEmpty]: Start isEmpty. Operand 1730 states and 2326 transitions. [2022-11-26 00:02:15,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2022-11-26 00:02:15,459 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:02:15,459 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] [2022-11-26 00:02:15,460 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-26 00:02:15,461 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 25 more)] === [2022-11-26 00:02:15,461 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:02:15,461 INFO L85 PathProgramCache]: Analyzing trace with hash -970550449, now seen corresponding path program 1 times [2022-11-26 00:02:15,462 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:02:15,462 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [15096182] [2022-11-26 00:02:15,462 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:02:15,462 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:02:15,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:02:16,110 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-11-26 00:02:16,112 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:02:16,113 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [15096182] [2022-11-26 00:02:16,113 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [15096182] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:02:16,113 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:02:16,113 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-26 00:02:16,114 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [497258136] [2022-11-26 00:02:16,114 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:02:16,114 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-26 00:02:16,115 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:02:16,116 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-26 00:02:16,116 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-26 00:02:16,116 INFO L87 Difference]: Start difference. First operand 1730 states and 2326 transitions. Second operand has 6 states, 5 states have (on average 5.8) internal successors, (29), 5 states have internal predecessors, (29), 2 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (9), 3 states have call predecessors, (9), 2 states have call successors, (9) [2022-11-26 00:02:20,897 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:02:20,897 INFO L93 Difference]: Finished difference Result 1730 states and 2326 transitions. [2022-11-26 00:02:20,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-26 00:02:20,899 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 5.8) internal successors, (29), 5 states have internal predecessors, (29), 2 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (9), 3 states have call predecessors, (9), 2 states have call successors, (9) Word has length 56 [2022-11-26 00:02:20,899 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:02:20,911 INFO L225 Difference]: With dead ends: 1730 [2022-11-26 00:02:20,911 INFO L226 Difference]: Without dead ends: 1728 [2022-11-26 00:02:20,914 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2022-11-26 00:02:20,915 INFO L413 NwaCegarLoop]: 1041 mSDtfsCounter, 1179 mSDsluCounter, 2621 mSDsCounter, 0 mSdLazyCounter, 1122 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1182 SdHoareTripleChecker+Valid, 3662 SdHoareTripleChecker+Invalid, 1123 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1122 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.5s IncrementalHoareTripleChecker+Time [2022-11-26 00:02:20,915 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1182 Valid, 3662 Invalid, 1123 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1122 Invalid, 0 Unknown, 0 Unchecked, 4.5s Time] [2022-11-26 00:02:20,918 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1728 states. [2022-11-26 00:02:21,069 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1728 to 1728. [2022-11-26 00:02:21,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1728 states, 1055 states have (on average 1.2919431279620852) internal successors, (1363), 1123 states have internal predecessors, (1363), 480 states have call successors, (480), 172 states have call predecessors, (480), 171 states have return successors, (478), 473 states have call predecessors, (478), 478 states have call successors, (478) [2022-11-26 00:02:21,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1728 states to 1728 states and 2321 transitions. [2022-11-26 00:02:21,096 INFO L78 Accepts]: Start accepts. Automaton has 1728 states and 2321 transitions. Word has length 56 [2022-11-26 00:02:21,098 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:02:21,099 INFO L495 AbstractCegarLoop]: Abstraction has 1728 states and 2321 transitions. [2022-11-26 00:02:21,099 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 5.8) internal successors, (29), 5 states have internal predecessors, (29), 2 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (9), 3 states have call predecessors, (9), 2 states have call successors, (9) [2022-11-26 00:02:21,099 INFO L276 IsEmpty]: Start isEmpty. Operand 1728 states and 2321 transitions. [2022-11-26 00:02:21,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2022-11-26 00:02:21,100 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:02:21,101 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:02:21,101 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-26 00:02:21,101 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_linux_drivers_base_class_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 25 more)] === [2022-11-26 00:02:21,102 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:02:21,102 INFO L85 PathProgramCache]: Analyzing trace with hash -889464689, now seen corresponding path program 1 times [2022-11-26 00:02:21,102 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:02:21,102 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [780712769] [2022-11-26 00:02:21,102 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:02:21,103 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:02:21,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:02:21,275 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-11-26 00:02:21,276 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:02:21,276 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [780712769] [2022-11-26 00:02:21,276 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [780712769] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:02:21,276 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:02:21,276 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-26 00:02:21,277 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1562705370] [2022-11-26 00:02:21,277 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:02:21,277 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-26 00:02:21,277 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:02:21,278 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-26 00:02:21,278 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-26 00:02:21,278 INFO L87 Difference]: Start difference. First operand 1728 states and 2321 transitions. Second operand has 4 states, 4 states have (on average 7.75) internal successors, (31), 4 states have internal predecessors, (31), 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) [2022-11-26 00:02:22,503 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.00s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:02:23,514 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:02:23,514 INFO L93 Difference]: Finished difference Result 1728 states and 2321 transitions. [2022-11-26 00:02:23,515 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-26 00:02:23,515 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 7.75) internal successors, (31), 4 states have internal predecessors, (31), 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 58 [2022-11-26 00:02:23,515 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:02:23,524 INFO L225 Difference]: With dead ends: 1728 [2022-11-26 00:02:23,524 INFO L226 Difference]: Without dead ends: 1726 [2022-11-26 00:02:23,526 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 [2022-11-26 00:02:23,527 INFO L413 NwaCegarLoop]: 1038 mSDtfsCounter, 1177 mSDsluCounter, 1038 mSDsCounter, 0 mSdLazyCounter, 315 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1179 SdHoareTripleChecker+Valid, 2076 SdHoareTripleChecker+Invalid, 315 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 315 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2022-11-26 00:02:23,527 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1179 Valid, 2076 Invalid, 315 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 315 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2022-11-26 00:02:23,530 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1726 states. [2022-11-26 00:02:23,653 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1726 to 1726. [2022-11-26 00:02:23,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1726 states, 1054 states have (on average 1.2912713472485768) internal successors, (1361), 1121 states have internal predecessors, (1361), 480 states have call successors, (480), 172 states have call predecessors, (480), 171 states have return successors, (478), 473 states have call predecessors, (478), 478 states have call successors, (478) [2022-11-26 00:02:23,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1726 states to 1726 states and 2319 transitions. [2022-11-26 00:02:23,669 INFO L78 Accepts]: Start accepts. Automaton has 1726 states and 2319 transitions. Word has length 58 [2022-11-26 00:02:23,669 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:02:23,669 INFO L495 AbstractCegarLoop]: Abstraction has 1726 states and 2319 transitions. [2022-11-26 00:02:23,670 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.75) internal successors, (31), 4 states have internal predecessors, (31), 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) [2022-11-26 00:02:23,670 INFO L276 IsEmpty]: Start isEmpty. Operand 1726 states and 2319 transitions. [2022-11-26 00:02:23,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2022-11-26 00:02:23,671 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:02:23,671 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] [2022-11-26 00:02:23,672 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-26 00:02:23,672 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_check_alloc_flagsErr1ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 25 more)] === [2022-11-26 00:02:23,672 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:02:23,672 INFO L85 PathProgramCache]: Analyzing trace with hash 123845419, now seen corresponding path program 1 times [2022-11-26 00:02:23,673 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:02:23,673 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [627845336] [2022-11-26 00:02:23,673 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:02:23,673 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:02:23,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:02:23,817 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-11-26 00:02:23,818 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:02:23,818 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [627845336] [2022-11-26 00:02:23,818 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [627845336] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:02:23,818 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:02:23,818 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-26 00:02:23,819 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [994934636] [2022-11-26 00:02:23,819 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:02:23,819 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-26 00:02:23,819 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:02:23,820 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-26 00:02:23,820 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-26 00:02:23,820 INFO L87 Difference]: Start difference. First operand 1726 states and 2319 transitions. Second operand has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 3 states have internal predecessors, (32), 2 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2022-11-26 00:02:24,695 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:02:24,695 INFO L93 Difference]: Finished difference Result 3427 states and 4618 transitions. [2022-11-26 00:02:24,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-26 00:02:24,696 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 3 states have internal predecessors, (32), 2 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 59 [2022-11-26 00:02:24,697 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:02:24,707 INFO L225 Difference]: With dead ends: 3427 [2022-11-26 00:02:24,708 INFO L226 Difference]: Without dead ends: 1716 [2022-11-26 00:02:24,715 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 [2022-11-26 00:02:24,716 INFO L413 NwaCegarLoop]: 1034 mSDtfsCounter, 1163 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 158 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1163 SdHoareTripleChecker+Valid, 1034 SdHoareTripleChecker+Invalid, 158 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 158 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-11-26 00:02:24,716 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1163 Valid, 1034 Invalid, 158 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 158 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-11-26 00:02:24,719 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1716 states. [2022-11-26 00:02:24,849 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1716 to 1716. [2022-11-26 00:02:24,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1716 states, 1045 states have (on average 1.2861244019138756) internal successors, (1344), 1111 states have internal predecessors, (1344), 480 states have call successors, (480), 172 states have call predecessors, (480), 171 states have return successors, (478), 473 states have call predecessors, (478), 478 states have call successors, (478) [2022-11-26 00:02:24,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1716 states to 1716 states and 2302 transitions. [2022-11-26 00:02:24,864 INFO L78 Accepts]: Start accepts. Automaton has 1716 states and 2302 transitions. Word has length 59 [2022-11-26 00:02:24,865 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:02:24,865 INFO L495 AbstractCegarLoop]: Abstraction has 1716 states and 2302 transitions. [2022-11-26 00:02:24,865 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 3 states have internal predecessors, (32), 2 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2022-11-26 00:02:24,866 INFO L276 IsEmpty]: Start isEmpty. Operand 1716 states and 2302 transitions. [2022-11-26 00:02:24,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2022-11-26 00:02:24,868 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:02:24,869 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:02:24,869 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-26 00:02:24,870 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_linux_fs_char_dev_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 25 more)] === [2022-11-26 00:02:24,870 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:02:24,871 INFO L85 PathProgramCache]: Analyzing trace with hash 1688694466, now seen corresponding path program 1 times [2022-11-26 00:02:24,871 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:02:24,871 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1392485120] [2022-11-26 00:02:24,871 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:02:24,871 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:02:24,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:02:25,071 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-11-26 00:02:25,071 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:02:25,072 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1392485120] [2022-11-26 00:02:25,072 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1392485120] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:02:25,072 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:02:25,072 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-26 00:02:25,072 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [570296873] [2022-11-26 00:02:25,073 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:02:25,073 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-26 00:02:25,073 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:02:25,074 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-26 00:02:25,074 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-26 00:02:25,074 INFO L87 Difference]: Start difference. First operand 1716 states and 2302 transitions. Second operand has 4 states, 4 states have (on average 8.5) internal successors, (34), 4 states have internal predecessors, (34), 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) [2022-11-26 00:02:26,445 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.13s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:02:28,452 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 [] [2022-11-26 00:02:29,478 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:02:29,478 INFO L93 Difference]: Finished difference Result 1716 states and 2302 transitions. [2022-11-26 00:02:29,479 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-26 00:02:29,479 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.5) internal successors, (34), 4 states have internal predecessors, (34), 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 63 [2022-11-26 00:02:29,480 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:02:29,498 INFO L225 Difference]: With dead ends: 1716 [2022-11-26 00:02:29,499 INFO L226 Difference]: Without dead ends: 1714 [2022-11-26 00:02:29,500 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 [2022-11-26 00:02:29,505 INFO L413 NwaCegarLoop]: 1031 mSDtfsCounter, 1169 mSDsluCounter, 1031 mSDsCounter, 0 mSdLazyCounter, 314 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1171 SdHoareTripleChecker+Valid, 2062 SdHoareTripleChecker+Invalid, 315 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 314 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.2s IncrementalHoareTripleChecker+Time [2022-11-26 00:02:29,505 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1171 Valid, 2062 Invalid, 315 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 314 Invalid, 1 Unknown, 0 Unchecked, 4.2s Time] [2022-11-26 00:02:29,510 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1714 states. [2022-11-26 00:02:29,650 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1714 to 1714. [2022-11-26 00:02:29,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1714 states, 1044 states have (on average 1.28544061302682) internal successors, (1342), 1109 states have internal predecessors, (1342), 480 states have call successors, (480), 172 states have call predecessors, (480), 171 states have return successors, (478), 473 states have call predecessors, (478), 478 states have call successors, (478) [2022-11-26 00:02:29,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1714 states to 1714 states and 2300 transitions. [2022-11-26 00:02:29,665 INFO L78 Accepts]: Start accepts. Automaton has 1714 states and 2300 transitions. Word has length 63 [2022-11-26 00:02:29,666 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:02:29,666 INFO L495 AbstractCegarLoop]: Abstraction has 1714 states and 2300 transitions. [2022-11-26 00:02:29,667 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.5) internal successors, (34), 4 states have internal predecessors, (34), 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) [2022-11-26 00:02:29,667 INFO L276 IsEmpty]: Start isEmpty. Operand 1714 states and 2300 transitions. [2022-11-26 00:02:29,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2022-11-26 00:02:29,669 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:02:29,669 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] [2022-11-26 00:02:29,669 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-11-26 00:02:29,670 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 25 more)] === [2022-11-26 00:02:29,670 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:02:29,670 INFO L85 PathProgramCache]: Analyzing trace with hash 585480746, now seen corresponding path program 1 times [2022-11-26 00:02:29,671 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:02:29,671 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1082839839] [2022-11-26 00:02:29,671 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:02:29,671 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:02:29,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:02:29,981 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-11-26 00:02:29,982 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:02:29,982 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1082839839] [2022-11-26 00:02:29,982 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1082839839] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:02:29,983 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:02:29,983 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-26 00:02:29,983 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [697290156] [2022-11-26 00:02:29,983 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:02:29,985 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-26 00:02:29,985 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:02:29,986 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-26 00:02:29,986 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-26 00:02:29,986 INFO L87 Difference]: Start difference. First operand 1714 states and 2300 transitions. Second operand has 5 states, 5 states have (on average 7.2) internal successors, (36), 4 states have internal predecessors, (36), 2 states have call successors, (13), 3 states have call predecessors, (13), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2022-11-26 00:02:34,271 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:02:34,271 INFO L93 Difference]: Finished difference Result 1714 states and 2300 transitions. [2022-11-26 00:02:34,272 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-26 00:02:34,272 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.2) internal successors, (36), 4 states have internal predecessors, (36), 2 states have call successors, (13), 3 states have call predecessors, (13), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 67 [2022-11-26 00:02:34,273 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:02:34,282 INFO L225 Difference]: With dead ends: 1714 [2022-11-26 00:02:34,282 INFO L226 Difference]: Without dead ends: 1712 [2022-11-26 00:02:34,284 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-11-26 00:02:34,284 INFO L413 NwaCegarLoop]: 1081 mSDtfsCounter, 677 mSDsluCounter, 2772 mSDsCounter, 0 mSdLazyCounter, 615 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 678 SdHoareTripleChecker+Valid, 3853 SdHoareTripleChecker+Invalid, 615 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 615 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.1s IncrementalHoareTripleChecker+Time [2022-11-26 00:02:34,285 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [678 Valid, 3853 Invalid, 615 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 615 Invalid, 0 Unknown, 0 Unchecked, 4.1s Time] [2022-11-26 00:02:34,288 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1712 states. [2022-11-26 00:02:34,490 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1712 to 1712. [2022-11-26 00:02:34,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1712 states, 1043 states have (on average 1.2837967401725792) internal successors, (1339), 1107 states have internal predecessors, (1339), 480 states have call successors, (480), 172 states have call predecessors, (480), 171 states have return successors, (478), 473 states have call predecessors, (478), 478 states have call successors, (478) [2022-11-26 00:02:34,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1712 states to 1712 states and 2297 transitions. [2022-11-26 00:02:34,504 INFO L78 Accepts]: Start accepts. Automaton has 1712 states and 2297 transitions. Word has length 67 [2022-11-26 00:02:34,504 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:02:34,505 INFO L495 AbstractCegarLoop]: Abstraction has 1712 states and 2297 transitions. [2022-11-26 00:02:34,505 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.2) internal successors, (36), 4 states have internal predecessors, (36), 2 states have call successors, (13), 3 states have call predecessors, (13), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2022-11-26 00:02:34,505 INFO L276 IsEmpty]: Start isEmpty. Operand 1712 states and 2297 transitions. [2022-11-26 00:02:34,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2022-11-26 00:02:34,507 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:02:34,507 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:02:34,507 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-11-26 00:02:34,508 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 25 more)] === [2022-11-26 00:02:34,508 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:02:34,508 INFO L85 PathProgramCache]: Analyzing trace with hash 205072748, now seen corresponding path program 1 times [2022-11-26 00:02:34,509 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:02:34,509 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1553634077] [2022-11-26 00:02:34,509 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:02:34,509 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:02:34,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:02:34,718 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-11-26 00:02:34,719 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:02:34,719 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1553634077] [2022-11-26 00:02:34,719 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1553634077] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:02:34,719 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:02:34,720 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-26 00:02:34,720 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1934630067] [2022-11-26 00:02:34,720 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:02:34,721 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-26 00:02:34,721 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:02:34,721 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-26 00:02:34,722 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-26 00:02:34,722 INFO L87 Difference]: Start difference. First operand 1712 states and 2297 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, (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) [2022-11-26 00:02:36,961 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 [] [2022-11-26 00:02:38,539 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:02:38,539 INFO L93 Difference]: Finished difference Result 1848 states and 2446 transitions. [2022-11-26 00:02:38,540 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-26 00:02:38,540 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, (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 68 [2022-11-26 00:02:38,540 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:02:38,552 INFO L225 Difference]: With dead ends: 1848 [2022-11-26 00:02:38,552 INFO L226 Difference]: Without dead ends: 1846 [2022-11-26 00:02:38,554 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 [2022-11-26 00:02:38,555 INFO L413 NwaCegarLoop]: 1399 mSDtfsCounter, 1021 mSDsluCounter, 2407 mSDsCounter, 0 mSdLazyCounter, 529 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1023 SdHoareTripleChecker+Valid, 3806 SdHoareTripleChecker+Invalid, 531 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 529 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.6s IncrementalHoareTripleChecker+Time [2022-11-26 00:02:38,555 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1023 Valid, 3806 Invalid, 531 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 529 Invalid, 1 Unknown, 0 Unchecked, 3.6s Time] [2022-11-26 00:02:38,558 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1846 states. [2022-11-26 00:02:38,744 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1846 to 1736. [2022-11-26 00:02:38,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1736 states, 1055 states have (on average 1.280568720379147) internal successors, (1351), 1119 states have internal predecessors, (1351), 488 states have call successors, (488), 176 states have call predecessors, (488), 175 states have return successors, (486), 481 states have call predecessors, (486), 486 states have call successors, (486) [2022-11-26 00:02:38,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1736 states to 1736 states and 2325 transitions. [2022-11-26 00:02:38,757 INFO L78 Accepts]: Start accepts. Automaton has 1736 states and 2325 transitions. Word has length 68 [2022-11-26 00:02:38,757 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:02:38,757 INFO L495 AbstractCegarLoop]: Abstraction has 1736 states and 2325 transitions. [2022-11-26 00:02:38,758 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, (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) [2022-11-26 00:02:38,758 INFO L276 IsEmpty]: Start isEmpty. Operand 1736 states and 2325 transitions. [2022-11-26 00:02:38,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2022-11-26 00:02:38,759 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:02:38,760 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:02:38,760 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-11-26 00:02:38,760 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_linux_kernel_locking_rwlock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 25 more)] === [2022-11-26 00:02:38,760 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:02:38,761 INFO L85 PathProgramCache]: Analyzing trace with hash -737012901, now seen corresponding path program 1 times [2022-11-26 00:02:38,761 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:02:38,761 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1854348198] [2022-11-26 00:02:38,761 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:02:38,761 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:02:38,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:02:38,912 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-11-26 00:02:38,913 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:02:38,913 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1854348198] [2022-11-26 00:02:38,913 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1854348198] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:02:38,913 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:02:38,913 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-26 00:02:38,914 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1752919257] [2022-11-26 00:02:38,914 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:02:38,914 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-26 00:02:38,914 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:02:38,915 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-26 00:02:38,915 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-26 00:02:38,915 INFO L87 Difference]: Start difference. First operand 1736 states and 2325 transitions. Second operand has 4 states, 4 states have (on average 10.0) internal successors, (40), 4 states have internal predecessors, (40), 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) [2022-11-26 00:02:40,878 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:02:40,878 INFO L93 Difference]: Finished difference Result 1736 states and 2325 transitions. [2022-11-26 00:02:40,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-26 00:02:40,879 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.0) internal successors, (40), 4 states have internal predecessors, (40), 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 73 [2022-11-26 00:02:40,879 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:02:40,890 INFO L225 Difference]: With dead ends: 1736 [2022-11-26 00:02:40,890 INFO L226 Difference]: Without dead ends: 1734 [2022-11-26 00:02:40,892 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 [2022-11-26 00:02:40,893 INFO L413 NwaCegarLoop]: 1027 mSDtfsCounter, 1167 mSDsluCounter, 1023 mSDsCounter, 0 mSdLazyCounter, 315 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1169 SdHoareTripleChecker+Valid, 2050 SdHoareTripleChecker+Invalid, 315 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 315 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2022-11-26 00:02:40,893 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1169 Valid, 2050 Invalid, 315 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 315 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2022-11-26 00:02:40,896 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1734 states. [2022-11-26 00:02:41,107 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1734 to 1734. [2022-11-26 00:02:41,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1734 states, 1054 states have (on average 1.27988614800759) internal successors, (1349), 1117 states have internal predecessors, (1349), 488 states have call successors, (488), 176 states have call predecessors, (488), 175 states have return successors, (486), 481 states have call predecessors, (486), 486 states have call successors, (486) [2022-11-26 00:02:41,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1734 states to 1734 states and 2323 transitions. [2022-11-26 00:02:41,118 INFO L78 Accepts]: Start accepts. Automaton has 1734 states and 2323 transitions. Word has length 73 [2022-11-26 00:02:41,118 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:02:41,119 INFO L495 AbstractCegarLoop]: Abstraction has 1734 states and 2323 transitions. [2022-11-26 00:02:41,119 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.0) internal successors, (40), 4 states have internal predecessors, (40), 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) [2022-11-26 00:02:41,120 INFO L276 IsEmpty]: Start isEmpty. Operand 1734 states and 2323 transitions. [2022-11-26 00:02:41,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2022-11-26 00:02:41,121 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:02:41,122 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:02:41,122 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-11-26 00:02:41,122 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_linux_kernel_locking_rwlock_check_final_stateErr1ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 25 more)] === [2022-11-26 00:02:41,122 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:02:41,122 INFO L85 PathProgramCache]: Analyzing trace with hash 400358910, now seen corresponding path program 1 times [2022-11-26 00:02:41,123 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:02:41,123 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1748809673] [2022-11-26 00:02:41,123 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:02:41,123 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:02:41,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:02:41,301 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-11-26 00:02:41,301 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:02:41,301 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1748809673] [2022-11-26 00:02:41,301 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1748809673] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:02:41,302 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:02:41,302 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-26 00:02:41,302 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1482304786] [2022-11-26 00:02:41,302 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:02:41,303 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-26 00:02:41,304 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:02:41,305 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-26 00:02:41,305 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-26 00:02:41,306 INFO L87 Difference]: Start difference. First operand 1734 states and 2323 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, (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) [2022-11-26 00:02:43,820 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.68s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:02:44,610 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:02:44,611 INFO L93 Difference]: Finished difference Result 1734 states and 2323 transitions. [2022-11-26 00:02:44,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-26 00:02:44,611 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.5) internal successors, (42), 4 states have internal predecessors, (42), 2 states have call successors, (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 75 [2022-11-26 00:02:44,612 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:02:44,621 INFO L225 Difference]: With dead ends: 1734 [2022-11-26 00:02:44,621 INFO L226 Difference]: Without dead ends: 1732 [2022-11-26 00:02:44,623 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 [2022-11-26 00:02:44,623 INFO L413 NwaCegarLoop]: 1025 mSDtfsCounter, 1159 mSDsluCounter, 1025 mSDsCounter, 0 mSdLazyCounter, 315 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1161 SdHoareTripleChecker+Valid, 2050 SdHoareTripleChecker+Invalid, 315 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 315 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.1s IncrementalHoareTripleChecker+Time [2022-11-26 00:02:44,624 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1161 Valid, 2050 Invalid, 315 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 315 Invalid, 0 Unknown, 0 Unchecked, 3.1s Time] [2022-11-26 00:02:44,626 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1732 states. [2022-11-26 00:02:44,828 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1732 to 1732. [2022-11-26 00:02:44,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1732 states, 1053 states have (on average 1.2792022792022792) internal successors, (1347), 1115 states have internal predecessors, (1347), 488 states have call successors, (488), 176 states have call predecessors, (488), 175 states have return successors, (486), 481 states have call predecessors, (486), 486 states have call successors, (486) [2022-11-26 00:02:44,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1732 states to 1732 states and 2321 transitions. [2022-11-26 00:02:44,839 INFO L78 Accepts]: Start accepts. Automaton has 1732 states and 2321 transitions. Word has length 75 [2022-11-26 00:02:44,839 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:02:44,840 INFO L495 AbstractCegarLoop]: Abstraction has 1732 states and 2321 transitions. [2022-11-26 00:02:44,840 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, (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) [2022-11-26 00:02:44,840 INFO L276 IsEmpty]: Start isEmpty. Operand 1732 states and 2321 transitions. [2022-11-26 00:02:44,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2022-11-26 00:02:44,842 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:02:44,842 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:02:44,842 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-11-26 00:02:44,842 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_linux_kernel_module_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 25 more)] === [2022-11-26 00:02:44,843 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:02:44,843 INFO L85 PathProgramCache]: Analyzing trace with hash -1440276847, now seen corresponding path program 1 times [2022-11-26 00:02:44,843 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:02:44,843 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1821720392] [2022-11-26 00:02:44,843 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:02:44,844 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:02:44,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:02:44,994 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-11-26 00:02:44,994 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:02:44,994 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1821720392] [2022-11-26 00:02:44,995 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1821720392] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:02:44,995 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:02:44,995 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-26 00:02:44,995 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [76516975] [2022-11-26 00:02:44,995 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:02:44,996 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-26 00:02:44,996 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:02:44,997 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-26 00:02:44,997 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-26 00:02:44,997 INFO L87 Difference]: Start difference. First operand 1732 states and 2321 transitions. Second operand has 4 states, 4 states have (on average 11.25) internal successors, (45), 4 states have internal predecessors, (45), 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) [2022-11-26 00:02:47,039 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.42s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:02:47,981 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:02:47,981 INFO L93 Difference]: Finished difference Result 1732 states and 2321 transitions. [2022-11-26 00:02:47,982 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-26 00:02:47,982 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.25) internal successors, (45), 4 states have internal predecessors, (45), 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 80 [2022-11-26 00:02:47,982 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:02:47,994 INFO L225 Difference]: With dead ends: 1732 [2022-11-26 00:02:47,994 INFO L226 Difference]: Without dead ends: 1730 [2022-11-26 00:02:47,996 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 [2022-11-26 00:02:47,997 INFO L413 NwaCegarLoop]: 1023 mSDtfsCounter, 1158 mSDsluCounter, 1023 mSDsCounter, 0 mSdLazyCounter, 315 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1160 SdHoareTripleChecker+Valid, 2046 SdHoareTripleChecker+Invalid, 315 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 315 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2022-11-26 00:02:47,997 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1160 Valid, 2046 Invalid, 315 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 315 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2022-11-26 00:02:48,001 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1730 states. [2022-11-26 00:02:48,236 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1730 to 1730. [2022-11-26 00:02:48,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1730 states, 1052 states have (on average 1.2785171102661597) internal successors, (1345), 1113 states have internal predecessors, (1345), 488 states have call successors, (488), 176 states have call predecessors, (488), 175 states have return successors, (486), 481 states have call predecessors, (486), 486 states have call successors, (486) [2022-11-26 00:02:48,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1730 states to 1730 states and 2319 transitions. [2022-11-26 00:02:48,248 INFO L78 Accepts]: Start accepts. Automaton has 1730 states and 2319 transitions. Word has length 80 [2022-11-26 00:02:48,249 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:02:48,249 INFO L495 AbstractCegarLoop]: Abstraction has 1730 states and 2319 transitions. [2022-11-26 00:02:48,249 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.25) internal successors, (45), 4 states have internal predecessors, (45), 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) [2022-11-26 00:02:48,250 INFO L276 IsEmpty]: Start isEmpty. Operand 1730 states and 2319 transitions. [2022-11-26 00:02:48,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2022-11-26 00:02:48,252 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:02:48,252 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:02:48,252 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-11-26 00:02:48,253 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ldv_linux_kernel_rcu_update_lock_bh_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 25 more)] === [2022-11-26 00:02:48,253 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:02:48,253 INFO L85 PathProgramCache]: Analyzing trace with hash -1455562347, now seen corresponding path program 1 times [2022-11-26 00:02:48,253 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:02:48,254 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [715962567] [2022-11-26 00:02:48,254 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:02:48,254 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:02:48,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:02:48,414 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-11-26 00:02:48,414 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:02:48,414 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [715962567] [2022-11-26 00:02:48,414 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [715962567] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:02:48,414 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:02:48,415 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-26 00:02:48,415 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1620909645] [2022-11-26 00:02:48,415 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:02:48,415 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-26 00:02:48,416 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:02:48,416 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-26 00:02:48,416 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-26 00:02:48,416 INFO L87 Difference]: Start difference. First operand 1730 states and 2319 transitions. Second operand has 4 states, 4 states have (on average 12.0) internal successors, (48), 4 states have internal predecessors, (48), 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) [2022-11-26 00:02:50,277 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:02:50,277 INFO L93 Difference]: Finished difference Result 1730 states and 2319 transitions. [2022-11-26 00:02:50,278 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-26 00:02:50,278 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.0) internal successors, (48), 4 states have internal predecessors, (48), 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 85 [2022-11-26 00:02:50,281 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:02:50,289 INFO L225 Difference]: With dead ends: 1730 [2022-11-26 00:02:50,289 INFO L226 Difference]: Without dead ends: 1728 [2022-11-26 00:02:50,292 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 [2022-11-26 00:02:50,293 INFO L413 NwaCegarLoop]: 1021 mSDtfsCounter, 1155 mSDsluCounter, 1021 mSDsCounter, 0 mSdLazyCounter, 315 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1157 SdHoareTripleChecker+Valid, 2042 SdHoareTripleChecker+Invalid, 315 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 315 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2022-11-26 00:02:50,293 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1157 Valid, 2042 Invalid, 315 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 315 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2022-11-26 00:02:50,296 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1728 states. [2022-11-26 00:02:50,504 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1728 to 1728. [2022-11-26 00:02:50,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1728 states, 1051 states have (on average 1.2778306374881065) internal successors, (1343), 1111 states have internal predecessors, (1343), 488 states have call successors, (488), 176 states have call predecessors, (488), 175 states have return successors, (486), 481 states have call predecessors, (486), 486 states have call successors, (486) [2022-11-26 00:02:50,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1728 states to 1728 states and 2317 transitions. [2022-11-26 00:02:50,515 INFO L78 Accepts]: Start accepts. Automaton has 1728 states and 2317 transitions. Word has length 85 [2022-11-26 00:02:50,515 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:02:50,515 INFO L495 AbstractCegarLoop]: Abstraction has 1728 states and 2317 transitions. [2022-11-26 00:02:50,515 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.0) internal successors, (48), 4 states have internal predecessors, (48), 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) [2022-11-26 00:02:50,516 INFO L276 IsEmpty]: Start isEmpty. Operand 1728 states and 2317 transitions. [2022-11-26 00:02:50,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2022-11-26 00:02:50,521 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:02:50,521 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:02:50,521 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-11-26 00:02:50,522 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ldv_linux_kernel_rcu_update_lock_sched_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 25 more)] === [2022-11-26 00:02:50,522 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:02:50,522 INFO L85 PathProgramCache]: Analyzing trace with hash -589857346, now seen corresponding path program 1 times [2022-11-26 00:02:50,522 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:02:50,523 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [46795421] [2022-11-26 00:02:50,523 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:02:50,523 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:02:50,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:02:50,678 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-11-26 00:02:50,678 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:02:50,678 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [46795421] [2022-11-26 00:02:50,681 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [46795421] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:02:50,681 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:02:50,681 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-26 00:02:50,681 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [625903881] [2022-11-26 00:02:50,682 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:02:50,682 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-26 00:02:50,682 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:02:50,683 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-26 00:02:50,683 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-26 00:02:50,683 INFO L87 Difference]: Start difference. First operand 1728 states and 2317 transitions. Second operand has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 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) [2022-11-26 00:02:52,289 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:02:52,289 INFO L93 Difference]: Finished difference Result 1728 states and 2317 transitions. [2022-11-26 00:02:52,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-26 00:02:52,290 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 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 90 [2022-11-26 00:02:52,290 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:02:52,298 INFO L225 Difference]: With dead ends: 1728 [2022-11-26 00:02:52,299 INFO L226 Difference]: Without dead ends: 1726 [2022-11-26 00:02:52,300 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 [2022-11-26 00:02:52,300 INFO L413 NwaCegarLoop]: 1019 mSDtfsCounter, 1152 mSDsluCounter, 1019 mSDsCounter, 0 mSdLazyCounter, 315 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1154 SdHoareTripleChecker+Valid, 2038 SdHoareTripleChecker+Invalid, 315 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 315 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-11-26 00:02:52,301 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1154 Valid, 2038 Invalid, 315 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 315 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-11-26 00:02:52,303 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1726 states. [2022-11-26 00:02:52,495 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1726 to 1726. [2022-11-26 00:02:52,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1726 states, 1050 states have (on average 1.2771428571428571) internal successors, (1341), 1109 states have internal predecessors, (1341), 488 states have call successors, (488), 176 states have call predecessors, (488), 175 states have return successors, (486), 481 states have call predecessors, (486), 486 states have call successors, (486) [2022-11-26 00:02:52,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1726 states to 1726 states and 2315 transitions. [2022-11-26 00:02:52,505 INFO L78 Accepts]: Start accepts. Automaton has 1726 states and 2315 transitions. Word has length 90 [2022-11-26 00:02:52,506 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:02:52,506 INFO L495 AbstractCegarLoop]: Abstraction has 1726 states and 2315 transitions. [2022-11-26 00:02:52,506 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 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) [2022-11-26 00:02:52,506 INFO L276 IsEmpty]: Start isEmpty. Operand 1726 states and 2315 transitions. [2022-11-26 00:02:52,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2022-11-26 00:02:52,509 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:02:52,509 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:02:52,509 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-11-26 00:02:52,510 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting sm_cache_flushErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 25 more)] === [2022-11-26 00:02:52,510 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:02:52,510 INFO L85 PathProgramCache]: Analyzing trace with hash -1698968903, now seen corresponding path program 1 times [2022-11-26 00:02:52,510 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:02:52,511 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1293180151] [2022-11-26 00:02:52,511 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:02:52,511 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:02:52,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:02:52,762 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2022-11-26 00:02:52,762 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:02:52,762 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1293180151] [2022-11-26 00:02:52,763 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1293180151] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:02:52,763 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:02:52,763 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-26 00:02:52,763 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [89859996] [2022-11-26 00:02:52,763 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:02:52,764 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-26 00:02:52,764 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:02:52,764 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-26 00:02:52,765 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-26 00:02:52,765 INFO L87 Difference]: Start difference. First operand 1726 states and 2315 transitions. Second operand has 4 states, 4 states have (on average 12.0) internal successors, (48), 4 states have internal predecessors, (48), 2 states have call successors, (18), 1 states have call predecessors, (18), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2022-11-26 00:02:54,785 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.39s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:02:56,608 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:02:56,609 INFO L93 Difference]: Finished difference Result 3593 states and 4926 transitions. [2022-11-26 00:02:56,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-26 00:02:56,609 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.0) internal successors, (48), 4 states have internal predecessors, (48), 2 states have call successors, (18), 1 states have call predecessors, (18), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 94 [2022-11-26 00:02:56,610 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:02:56,620 INFO L225 Difference]: With dead ends: 3593 [2022-11-26 00:02:56,621 INFO L226 Difference]: Without dead ends: 1882 [2022-11-26 00:02:56,628 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-26 00:02:56,629 INFO L413 NwaCegarLoop]: 1043 mSDtfsCounter, 48 mSDsluCounter, 2061 mSDsCounter, 0 mSdLazyCounter, 479 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 64 SdHoareTripleChecker+Valid, 3104 SdHoareTripleChecker+Invalid, 480 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 479 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.6s IncrementalHoareTripleChecker+Time [2022-11-26 00:02:56,629 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [64 Valid, 3104 Invalid, 480 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 479 Invalid, 0 Unknown, 0 Unchecked, 3.6s Time] [2022-11-26 00:02:56,632 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1882 states. [2022-11-26 00:02:56,874 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1882 to 1732. [2022-11-26 00:02:56,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1732 states, 1056 states have (on average 1.2755681818181819) internal successors, (1347), 1115 states have internal predecessors, (1347), 488 states have call successors, (488), 176 states have call predecessors, (488), 175 states have return successors, (486), 481 states have call predecessors, (486), 486 states have call successors, (486) [2022-11-26 00:02:56,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1732 states to 1732 states and 2321 transitions. [2022-11-26 00:02:56,884 INFO L78 Accepts]: Start accepts. Automaton has 1732 states and 2321 transitions. Word has length 94 [2022-11-26 00:02:56,884 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:02:56,884 INFO L495 AbstractCegarLoop]: Abstraction has 1732 states and 2321 transitions. [2022-11-26 00:02:56,884 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.0) internal successors, (48), 4 states have internal predecessors, (48), 2 states have call successors, (18), 1 states have call predecessors, (18), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2022-11-26 00:02:56,885 INFO L276 IsEmpty]: Start isEmpty. Operand 1732 states and 2321 transitions. [2022-11-26 00:02:56,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2022-11-26 00:02:56,887 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:02:56,888 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:02:56,888 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-11-26 00:02:56,888 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 25 more)] === [2022-11-26 00:02:56,889 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:02:56,889 INFO L85 PathProgramCache]: Analyzing trace with hash 689845780, now seen corresponding path program 1 times [2022-11-26 00:02:56,889 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:02:56,889 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1533739387] [2022-11-26 00:02:56,889 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:02:56,889 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:02:56,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:02:57,041 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-11-26 00:02:57,041 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:02:57,041 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1533739387] [2022-11-26 00:02:57,042 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1533739387] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:02:57,042 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:02:57,042 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-26 00:02:57,042 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [187111344] [2022-11-26 00:02:57,042 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:02:57,043 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-26 00:02:57,043 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:02:57,043 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-26 00:02:57,044 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-26 00:02:57,044 INFO L87 Difference]: Start difference. First operand 1732 states and 2321 transitions. Second operand has 4 states, 4 states have (on average 13.5) internal successors, (54), 4 states have internal predecessors, (54), 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) [2022-11-26 00:02:59,056 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.36s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:02:59,770 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:02:59,770 INFO L93 Difference]: Finished difference Result 1732 states and 2321 transitions. [2022-11-26 00:02:59,771 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-26 00:02:59,772 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.5) internal successors, (54), 4 states have internal predecessors, (54), 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 95 [2022-11-26 00:02:59,772 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:02:59,779 INFO L225 Difference]: With dead ends: 1732 [2022-11-26 00:02:59,780 INFO L226 Difference]: Without dead ends: 1730 [2022-11-26 00:02:59,781 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 [2022-11-26 00:02:59,781 INFO L413 NwaCegarLoop]: 1017 mSDtfsCounter, 1149 mSDsluCounter, 1017 mSDsCounter, 0 mSdLazyCounter, 315 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1151 SdHoareTripleChecker+Valid, 2034 SdHoareTripleChecker+Invalid, 315 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 315 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2022-11-26 00:02:59,782 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1151 Valid, 2034 Invalid, 315 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 315 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2022-11-26 00:02:59,784 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1730 states. [2022-11-26 00:02:59,991 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1730 to 1730. [2022-11-26 00:02:59,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1730 states, 1055 states have (on average 1.2748815165876777) internal successors, (1345), 1113 states have internal predecessors, (1345), 488 states have call successors, (488), 176 states have call predecessors, (488), 175 states have return successors, (486), 481 states have call predecessors, (486), 486 states have call successors, (486) [2022-11-26 00:03:00,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1730 states to 1730 states and 2319 transitions. [2022-11-26 00:03:00,001 INFO L78 Accepts]: Start accepts. Automaton has 1730 states and 2319 transitions. Word has length 95 [2022-11-26 00:03:00,001 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:03:00,001 INFO L495 AbstractCegarLoop]: Abstraction has 1730 states and 2319 transitions. [2022-11-26 00:03:00,002 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.5) internal successors, (54), 4 states have internal predecessors, (54), 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) [2022-11-26 00:03:00,002 INFO L276 IsEmpty]: Start isEmpty. Operand 1730 states and 2319 transitions. [2022-11-26 00:03:00,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2022-11-26 00:03:00,005 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:03:00,005 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 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] [2022-11-26 00:03:00,005 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-11-26 00:03:00,005 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting sm_cache_flushErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 25 more)] === [2022-11-26 00:03:00,006 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:03:00,006 INFO L85 PathProgramCache]: Analyzing trace with hash -1387227636, now seen corresponding path program 1 times [2022-11-26 00:03:00,006 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:03:00,006 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2136424306] [2022-11-26 00:03:00,007 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:03:00,007 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:03:00,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:03:00,196 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2022-11-26 00:03:00,197 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:03:00,197 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2136424306] [2022-11-26 00:03:00,197 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2136424306] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:03:00,197 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:03:00,197 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-26 00:03:00,198 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1676623790] [2022-11-26 00:03:00,198 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:03:00,199 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-26 00:03:00,199 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:03:00,200 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-26 00:03:00,200 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-26 00:03:00,200 INFO L87 Difference]: Start difference. First operand 1730 states and 2319 transitions. Second operand has 5 states, 5 states have (on average 10.0) internal successors, (50), 4 states have internal predecessors, (50), 2 states have call successors, (18), 1 states have call predecessors, (18), 2 states have return successors, (17), 3 states have call predecessors, (17), 2 states have call successors, (17) [2022-11-26 00:03:03,540 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:03:03,540 INFO L93 Difference]: Finished difference Result 3571 states and 4829 transitions. [2022-11-26 00:03:03,541 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-26 00:03:03,541 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.0) internal successors, (50), 4 states have internal predecessors, (50), 2 states have call successors, (18), 1 states have call predecessors, (18), 2 states have return successors, (17), 3 states have call predecessors, (17), 2 states have call successors, (17) Word has length 97 [2022-11-26 00:03:03,542 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:03:03,551 INFO L225 Difference]: With dead ends: 3571 [2022-11-26 00:03:03,551 INFO L226 Difference]: Without dead ends: 1856 [2022-11-26 00:03:03,559 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-11-26 00:03:03,559 INFO L413 NwaCegarLoop]: 1090 mSDtfsCounter, 50 mSDsluCounter, 3199 mSDsCounter, 0 mSdLazyCounter, 670 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 71 SdHoareTripleChecker+Valid, 4289 SdHoareTripleChecker+Invalid, 673 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 670 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.1s IncrementalHoareTripleChecker+Time [2022-11-26 00:03:03,560 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [71 Valid, 4289 Invalid, 673 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 670 Invalid, 0 Unknown, 0 Unchecked, 3.1s Time] [2022-11-26 00:03:03,563 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1856 states. [2022-11-26 00:03:03,782 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1856 to 1738. [2022-11-26 00:03:03,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1738 states, 1061 states have (on average 1.2733270499528746) internal successors, (1351), 1119 states have internal predecessors, (1351), 488 states have call successors, (488), 176 states have call predecessors, (488), 177 states have return successors, (496), 483 states have call predecessors, (496), 486 states have call successors, (496) [2022-11-26 00:03:03,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1738 states to 1738 states and 2335 transitions. [2022-11-26 00:03:03,792 INFO L78 Accepts]: Start accepts. Automaton has 1738 states and 2335 transitions. Word has length 97 [2022-11-26 00:03:03,793 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:03:03,793 INFO L495 AbstractCegarLoop]: Abstraction has 1738 states and 2335 transitions. [2022-11-26 00:03:03,793 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.0) internal successors, (50), 4 states have internal predecessors, (50), 2 states have call successors, (18), 1 states have call predecessors, (18), 2 states have return successors, (17), 3 states have call predecessors, (17), 2 states have call successors, (17) [2022-11-26 00:03:03,793 INFO L276 IsEmpty]: Start isEmpty. Operand 1738 states and 2335 transitions. [2022-11-26 00:03:03,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2022-11-26 00:03:03,796 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:03:03,796 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:03:03,797 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-11-26 00:03:03,797 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting sm_cache_flushErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 25 more)] === [2022-11-26 00:03:03,797 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:03:03,797 INFO L85 PathProgramCache]: Analyzing trace with hash 910025110, now seen corresponding path program 1 times [2022-11-26 00:03:03,798 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:03:03,798 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [565197152] [2022-11-26 00:03:03,798 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:03:03,798 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:03:03,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:03:04,126 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2022-11-26 00:03:04,127 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:03:04,127 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [565197152] [2022-11-26 00:03:04,127 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [565197152] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:03:04,127 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:03:04,128 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-26 00:03:04,128 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1417464645] [2022-11-26 00:03:04,128 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:03:04,128 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-26 00:03:04,128 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:03:04,129 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-26 00:03:04,129 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-26 00:03:04,129 INFO L87 Difference]: Start difference. First operand 1738 states and 2335 transitions. Second operand has 4 states, 3 states have (on average 16.333333333333332) internal successors, (49), 4 states have internal predecessors, (49), 2 states have call successors, (20), 1 states have call predecessors, (20), 3 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2022-11-26 00:03:06,473 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.38s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:03:07,531 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:03:07,532 INFO L93 Difference]: Finished difference Result 3475 states and 4740 transitions. [2022-11-26 00:03:07,532 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-26 00:03:07,533 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 16.333333333333332) internal successors, (49), 4 states have internal predecessors, (49), 2 states have call successors, (20), 1 states have call predecessors, (20), 3 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 99 [2022-11-26 00:03:07,533 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:03:07,551 INFO L225 Difference]: With dead ends: 3475 [2022-11-26 00:03:07,551 INFO L226 Difference]: Without dead ends: 1751 [2022-11-26 00:03:07,560 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 [2022-11-26 00:03:07,562 INFO L413 NwaCegarLoop]: 1016 mSDtfsCounter, 5 mSDsluCounter, 2024 mSDsCounter, 0 mSdLazyCounter, 493 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 3040 SdHoareTripleChecker+Invalid, 496 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 493 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.1s IncrementalHoareTripleChecker+Time [2022-11-26 00:03:07,562 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 3040 Invalid, 496 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 493 Invalid, 0 Unknown, 0 Unchecked, 3.1s Time] [2022-11-26 00:03:07,571 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1751 states. [2022-11-26 00:03:07,787 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1751 to 1751. [2022-11-26 00:03:07,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1751 states, 1070 states have (on average 1.2766355140186916) internal successors, (1366), 1130 states have internal predecessors, (1366), 488 states have call successors, (488), 178 states have call predecessors, (488), 181 states have return successors, (502), 483 states have call predecessors, (502), 486 states have call successors, (502) [2022-11-26 00:03:07,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1751 states to 1751 states and 2356 transitions. [2022-11-26 00:03:07,797 INFO L78 Accepts]: Start accepts. Automaton has 1751 states and 2356 transitions. Word has length 99 [2022-11-26 00:03:07,797 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:03:07,798 INFO L495 AbstractCegarLoop]: Abstraction has 1751 states and 2356 transitions. [2022-11-26 00:03:07,798 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 16.333333333333332) internal successors, (49), 4 states have internal predecessors, (49), 2 states have call successors, (20), 1 states have call predecessors, (20), 3 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2022-11-26 00:03:07,798 INFO L276 IsEmpty]: Start isEmpty. Operand 1751 states and 2356 transitions. [2022-11-26 00:03:07,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2022-11-26 00:03:07,801 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:03:07,802 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:03:07,802 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-11-26 00:03:07,802 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting sm_cache_flushErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 25 more)] === [2022-11-26 00:03:07,802 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:03:07,803 INFO L85 PathProgramCache]: Analyzing trace with hash 1716376130, now seen corresponding path program 1 times [2022-11-26 00:03:07,803 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:03:07,803 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [491599037] [2022-11-26 00:03:07,803 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:03:07,803 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:03:07,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:03:08,239 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2022-11-26 00:03:08,239 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:03:08,239 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [491599037] [2022-11-26 00:03:08,239 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [491599037] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-26 00:03:08,239 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [13640831] [2022-11-26 00:03:08,240 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:03:08,240 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-26 00:03:08,240 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06479d6d-a340-47c8-a7e8-124678833506/bin/utaipan-ByfvJB40ur/z3 [2022-11-26 00:03:08,246 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06479d6d-a340-47c8-a7e8-124678833506/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-26 00:03:08,270 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06479d6d-a340-47c8-a7e8-124678833506/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-26 00:03:08,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:03:08,923 INFO L263 TraceCheckSpWp]: Trace formula consists of 1288 conjuncts, 7 conjunts are in the unsatisfiable core [2022-11-26 00:03:08,932 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-26 00:03:08,981 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2022-11-26 00:03:08,982 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-26 00:03:09,149 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2022-11-26 00:03:09,149 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [13640831] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-26 00:03:09,150 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1871080171] [2022-11-26 00:03:09,170 INFO L159 IcfgInterpreter]: Started Sifa with 81 locations of interest [2022-11-26 00:03:09,170 INFO L166 IcfgInterpreter]: Building call graph [2022-11-26 00:03:09,174 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-26 00:03:09,180 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-26 00:03:09,180 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-26 00:03:12,697 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:03:15,339 INFO L321 Elim1Store]: treesize reduction 936, result has 33.4 percent of original size [2022-11-26 00:03:15,341 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 55 select indices, 55 select index equivalence classes, 1433 disjoint index pairs (out of 1485 index pairs), introduced 55 new quantified variables, introduced 104 case distinctions, treesize of input 282 treesize of output 649 [2022-11-26 00:03:15,891 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:03:15,900 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 53 select indices, 53 select index equivalence classes, 1432 disjoint index pairs (out of 1378 index pairs), introduced 53 new quantified variables, introduced 0 case distinctions, treesize of input 272 treesize of output 430 [2022-11-26 00:03:28,563 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-26 00:03:28,569 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-11-26 00:03:29,681 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:03:29,691 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 55 select indices, 55 select index equivalence classes, 1485 disjoint index pairs (out of 1485 index pairs), introduced 55 new quantified variables, introduced 0 case distinctions, treesize of input 276 treesize of output 166 [2022-11-26 00:03:30,168 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:03:30,179 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 54 select indices, 54 select index equivalence classes, 1432 disjoint index pairs (out of 1431 index pairs), introduced 54 new quantified variables, introduced 0 case distinctions, treesize of input 271 treesize of output 163 [2022-11-26 00:03:32,436 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:03:32,451 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 55 select indices, 55 select index equivalence classes, 1485 disjoint index pairs (out of 1485 index pairs), introduced 55 new quantified variables, introduced 0 case distinctions, treesize of input 276 treesize of output 166 [2022-11-26 00:03:32,782 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:03:32,797 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 54 select indices, 54 select index equivalence classes, 1432 disjoint index pairs (out of 1431 index pairs), introduced 54 new quantified variables, introduced 0 case distinctions, treesize of input 271 treesize of output 163 [2022-11-26 00:03:34,174 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:03:34,177 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:03:34,179 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:03:34,180 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:03:34,182 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:03:34,183 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:03:34,185 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:03:34,186 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:03:34,187 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:03:34,188 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:03:34,190 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:03:34,191 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:03:34,192 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:03:34,194 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:03:34,195 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:03:34,197 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:03:34,199 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:03:34,201 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:03:34,202 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:03:34,204 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:03:34,205 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:03:34,206 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:03:34,243 INFO L321 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2022-11-26 00:03:34,244 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 16 select indices, 16 select index equivalence classes, 120 disjoint index pairs (out of 120 index pairs), introduced 16 new quantified variables, introduced 1 case distinctions, treesize of input 154 treesize of output 202 [2022-11-26 00:03:34,429 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:03:34,432 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:03:34,434 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:03:34,435 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:03:34,437 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:03:34,438 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:03:34,440 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:03:34,441 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:03:34,443 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:03:34,444 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:03:34,446 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:03:34,447 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:03:34,448 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:03:34,450 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:03:34,451 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:03:34,454 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:03:34,455 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:03:34,457 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:03:34,458 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:03:34,460 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:03:34,461 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:03:34,462 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:03:34,494 INFO L321 Elim1Store]: treesize reduction 17, result has 29.2 percent of original size [2022-11-26 00:03:34,495 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 16 select indices, 16 select index equivalence classes, 120 disjoint index pairs (out of 120 index pairs), introduced 16 new quantified variables, introduced 1 case distinctions, treesize of input 154 treesize of output 198 [2022-11-26 00:03:34,806 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:03:34,808 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:03:34,812 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:03:34,814 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:03:34,817 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:03:34,818 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:03:34,820 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:03:34,821 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:03:34,823 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:03:34,824 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:03:34,827 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:03:34,828 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:03:34,831 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:03:34,833 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:03:34,834 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:03:34,837 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:03:34,840 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:03:34,842 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:03:34,844 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:03:34,845 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:03:34,847 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:03:34,849 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:03:34,852 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:03:34,854 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:03:34,855 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:03:34,857 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:03:34,858 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:03:34,859 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:03:34,861 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:03:34,862 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:03:34,864 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:03:34,865 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:03:34,866 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:03:34,868 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:03:34,870 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:03:34,872 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:03:34,874 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:03:34,876 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:03:34,878 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:03:34,880 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:03:34,882 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:03:34,883 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:03:34,885 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:03:34,887 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:03:34,888 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:03:34,889 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:03:34,891 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:03:34,892 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:03:34,894 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:03:34,896 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:03:34,898 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:03:34,899 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:03:34,901 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:03:34,903 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:03:34,904 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:03:34,906 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:03:34,908 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:03:34,910 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:03:34,911 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:03:34,913 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:03:34,915 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:03:34,916 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:03:34,918 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:03:34,920 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:03:34,921 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:03:34,923 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:03:34,924 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:03:34,926 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:03:34,928 INFO L217 Elim1Store]: Index analysis took 123 ms [2022-11-26 00:03:34,931 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:03:34,932 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:03:34,934 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:03:34,935 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:03:34,937 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:03:34,938 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:03:34,940 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:03:34,941 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:03:34,943 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:03:34,944 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:03:34,946 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:03:34,948 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:03:34,949 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:03:34,952 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:03:34,955 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:03:34,957 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:03:34,959 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:03:35,114 INFO L321 Elim1Store]: treesize reduction 128, result has 41.0 percent of original size [2022-11-26 00:03:35,116 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 93 select indices, 93 select index equivalence classes, 1445 disjoint index pairs (out of 4278 index pairs), introduced 93 new quantified variables, introduced 8 case distinctions, treesize of input 795 treesize of output 1091 [2022-11-26 00:03:35,734 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 9 [2022-11-26 00:03:36,554 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 9 [2022-11-26 00:03:55,873 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 9 [2022-11-26 00:04:00,944 INFO L197 IcfgInterpreter]: Interpreting procedure sm_release with input of size 193 for LOIs [2022-11-26 00:04:01,841 INFO L197 IcfgInterpreter]: Interpreting procedure ldv_linux_kernel_locking_mutex_mutex_lock_mutex_of_sm_ftl with input of size 194 for LOIs [2022-11-26 00:04:02,544 INFO L197 IcfgInterpreter]: Interpreting procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock with input of size 180 for LOIs [2022-11-26 00:04:02,643 INFO L197 IcfgInterpreter]: Interpreting procedure sm_cache_flush with input of size 204 for LOIs [2022-11-26 00:04:03,223 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-11-26 00:04:03,243 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-26 00:04:03,552 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-26 00:04:03,572 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-11-26 00:04:04,154 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-26 00:04:04,174 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-11-26 00:04:04,520 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-26 00:04:04,538 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-11-26 00:04:05,180 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-26 00:04:05,203 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-11-26 00:04:05,548 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-26 00:04:05,576 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-11-26 00:04:06,174 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-26 00:04:06,193 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-11-26 00:04:06,587 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-26 00:04:06,606 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-11-26 00:04:07,653 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-26 00:04:07,684 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-11-26 00:04:07,755 INFO L321 Elim1Store]: treesize reduction 23, result has 17.9 percent of original size [2022-11-26 00:04:07,756 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 24 treesize of output 21 [2022-11-26 00:04:07,769 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 11 [2022-11-26 00:04:07,798 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-11-26 00:04:07,804 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-11-26 00:04:07,810 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-11-26 00:04:07,848 INFO L321 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2022-11-26 00:04:07,848 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 51 treesize of output 54 [2022-11-26 00:04:07,878 INFO L321 Elim1Store]: treesize reduction 15, result has 42.3 percent of original size [2022-11-26 00:04:07,878 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 49 treesize of output 52 [2022-11-26 00:04:07,906 INFO L321 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2022-11-26 00:04:07,907 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 43 treesize of output 46 [2022-11-26 00:04:07,940 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2022-11-26 00:04:07,947 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2022-11-26 00:04:07,954 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2022-11-26 00:04:07,994 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-26 00:04:07,994 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 35 treesize of output 38 [2022-11-26 00:04:08,014 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-26 00:04:08,015 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 32 treesize of output 35 [2022-11-26 00:04:08,073 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-26 00:04:08,073 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 35 treesize of output 38 [2022-11-26 00:04:08,092 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-26 00:04:08,093 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 32 treesize of output 35 [2022-11-26 00:04:08,133 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 17 [2022-11-26 00:04:08,649 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-11-26 00:04:08,673 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-26 00:04:09,999 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-26 00:04:09,999 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 6 new quantified variables, introduced 3 case distinctions, treesize of input 440 treesize of output 325 [2022-11-26 00:04:10,153 INFO L321 Elim1Store]: treesize reduction 12, result has 83.1 percent of original size [2022-11-26 00:04:10,153 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 8 new quantified variables, introduced 5 case distinctions, treesize of input 338 treesize of output 260 [2022-11-26 00:04:10,233 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-26 00:04:10,233 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 319 treesize of output 239 [2022-11-26 00:04:10,318 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-26 00:04:10,780 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-26 00:04:10,869 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-26 00:04:10,870 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 6 new quantified variables, introduced 3 case distinctions, treesize of input 440 treesize of output 325 [2022-11-26 00:04:10,968 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-26 00:04:10,968 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 142 treesize of output 159 [2022-11-26 00:04:11,173 INFO L321 Elim1Store]: treesize reduction 12, result has 83.1 percent of original size [2022-11-26 00:04:11,174 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 7 new quantified variables, introduced 5 case distinctions, treesize of input 282 treesize of output 219 [2022-11-26 00:04:11,994 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-26 00:04:12,430 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-26 00:04:13,692 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-26 00:04:13,850 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-26 00:04:13,966 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-26 00:04:13,966 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 160 treesize of output 189 [2022-11-26 00:04:14,273 INFO L321 Elim1Store]: treesize reduction 12, result has 83.1 percent of original size [2022-11-26 00:04:14,273 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 8 new quantified variables, introduced 5 case distinctions, treesize of input 338 treesize of output 260 [2022-11-26 00:04:14,356 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-26 00:04:14,356 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 319 treesize of output 239 [2022-11-26 00:04:14,560 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-11-26 00:04:14,591 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-26 00:04:14,784 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-26 00:04:14,802 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-11-26 00:04:15,107 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-11-26 00:04:15,125 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-26 00:04:15,458 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-11-26 00:04:15,478 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-26 00:04:15,652 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-11-26 00:04:15,672 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-26 00:04:15,733 INFO L197 IcfgInterpreter]: Interpreting procedure ldv__builtin_expect with input of size 220 for LOIs [2022-11-26 00:04:15,851 INFO L197 IcfgInterpreter]: Interpreting procedure clear_bit with input of size 227 for LOIs [2022-11-26 00:04:15,982 INFO L197 IcfgInterpreter]: Interpreting procedure sm_read_sector with input of size 318 for LOIs [2022-11-26 00:04:16,606 INFO L321 Elim1Store]: treesize reduction 60, result has 24.1 percent of original size [2022-11-26 00:04:16,607 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 29 treesize of output 37 [2022-11-26 00:04:16,637 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 7 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 19 [2022-11-26 00:04:17,123 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:04:17,125 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:04:17,126 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:04:17,127 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 7 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 19 [2022-11-26 00:04:17,144 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:04:17,157 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:04:17,158 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:04:17,160 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:04:17,161 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 25 [2022-11-26 00:04:18,301 INFO L321 Elim1Store]: treesize reduction 60, result has 24.1 percent of original size [2022-11-26 00:04:18,301 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 29 treesize of output 37 [2022-11-26 00:04:18,331 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 7 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 19 [2022-11-26 00:04:18,370 INFO L197 IcfgInterpreter]: Interpreting procedure ldv_undef_ulong with input of size 245 for LOIs [2022-11-26 00:04:18,607 INFO L197 IcfgInterpreter]: Interpreting procedure ldv_undef_int with input of size 174 for LOIs [2022-11-26 00:04:18,641 INFO L197 IcfgInterpreter]: Interpreting procedure #Ultimate.C_memset with input of size 328 for LOIs [2022-11-26 00:04:19,914 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2022-11-26 00:04:19,940 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2022-11-26 00:04:19,967 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2022-11-26 00:04:20,046 INFO L197 IcfgInterpreter]: Interpreting procedure ldv_xmalloc with input of size 945 for LOIs [2022-11-26 00:04:21,669 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:04:21,672 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:04:21,897 INFO L217 Elim1Store]: Index analysis took 257 ms [2022-11-26 00:04:24,559 INFO L321 Elim1Store]: treesize reduction 954, result has 33.4 percent of original size [2022-11-26 00:04:24,560 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 56 select indices, 56 select index equivalence classes, 1487 disjoint index pairs (out of 1540 index pairs), introduced 56 new quantified variables, introduced 106 case distinctions, treesize of input 287 treesize of output 661 [2022-11-26 00:04:24,845 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:04:24,846 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:04:24,858 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 54 select indices, 54 select index equivalence classes, 1487 disjoint index pairs (out of 1431 index pairs), introduced 54 new quantified variables, introduced 0 case distinctions, treesize of input 277 treesize of output 438 [2022-11-26 00:04:27,018 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:04:27,020 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:04:27,239 INFO L217 Elim1Store]: Index analysis took 247 ms [2022-11-26 00:04:30,476 INFO L321 Elim1Store]: treesize reduction 954, result has 33.4 percent of original size [2022-11-26 00:04:30,477 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 56 select indices, 56 select index equivalence classes, 1487 disjoint index pairs (out of 1540 index pairs), introduced 56 new quantified variables, introduced 106 case distinctions, treesize of input 287 treesize of output 661 [2022-11-26 00:04:30,725 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:04:30,726 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:04:30,744 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 54 select indices, 54 select index equivalence classes, 1487 disjoint index pairs (out of 1431 index pairs), introduced 54 new quantified variables, introduced 0 case distinctions, treesize of input 277 treesize of output 438 [2022-11-26 00:04:34,080 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:04:34,082 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:04:34,083 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:04:34,085 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:04:34,086 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:04:34,088 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:04:34,089 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:04:34,091 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:04:34,092 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:04:34,094 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:04:34,095 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:04:34,096 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:04:34,098 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:04:34,099 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:04:34,101 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:04:34,102 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:04:34,104 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:04:34,105 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:04:34,107 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:04:34,108 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:04:34,109 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:04:34,111 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:04:34,112 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:04:34,113 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:04:34,115 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:04:34,116 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:04:34,117 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:04:34,119 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:04:34,120 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:04:34,122 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:04:34,123 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:04:34,124 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:04:34,125 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:04:34,127 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:04:34,128 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:04:34,129 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:04:34,131 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:04:34,132 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:04:34,133 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:04:34,135 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:04:34,136 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:04:34,137 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:04:34,139 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:04:34,140 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:04:34,141 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:04:34,142 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:04:34,144 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:04:34,145 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:04:34,146 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:04:34,147 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:04:34,149 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:04:34,150 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:04:34,151 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:04:34,152 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:04:34,154 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:04:34,160 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 54 select indices, 54 select index equivalence classes, 1487 disjoint index pairs (out of 1431 index pairs), introduced 54 new quantified variables, introduced 0 case distinctions, treesize of input 277 treesize of output 438 [2022-11-26 00:04:34,343 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:04:34,351 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:04:34,352 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:04:34,357 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:04:34,362 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:04:34,363 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:04:34,364 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:04:34,369 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:04:34,385 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:04:34,390 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:04:34,403 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:04:36,314 INFO L321 Elim1Store]: treesize reduction 792, result has 33.4 percent of original size [2022-11-26 00:04:36,315 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 56 select indices, 56 select index equivalence classes, 1496 disjoint index pairs (out of 1540 index pairs), introduced 56 new quantified variables, introduced 88 case distinctions, treesize of input 287 treesize of output 625 [2022-11-26 00:04:38,580 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:04:38,588 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:04:38,591 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:04:38,599 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:04:38,604 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:04:38,607 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:04:38,612 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:04:38,617 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:04:38,620 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:04:38,639 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:04:38,648 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:04:38,656 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:04:38,659 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:04:38,662 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:04:38,665 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:04:38,668 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:04:38,671 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:04:38,675 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:04:38,678 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:04:38,681 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:04:38,684 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:04:38,687 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:04:38,690 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:04:38,694 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:04:38,697 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:04:38,700 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:04:38,703 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:04:38,706 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:04:38,709 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:04:38,712 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:04:38,718 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:04:38,721 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:04:38,724 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:04:38,727 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:04:38,730 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:04:38,733 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:04:38,736 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:04:38,739 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:04:38,742 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:04:38,745 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:04:38,748 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:04:38,751 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:04:38,754 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:04:38,757 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:04:38,760 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:04:38,763 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:04:38,766 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:04:38,769 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:04:38,772 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:04:38,776 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:04:38,779 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:04:38,782 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:04:38,785 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:04:38,787 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:04:38,790 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:04:38,792 INFO L217 Elim1Store]: Index analysis took 219 ms [2022-11-26 00:04:38,797 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 54 select indices, 54 select index equivalence classes, 1487 disjoint index pairs (out of 1431 index pairs), introduced 54 new quantified variables, introduced 0 case distinctions, treesize of input 277 treesize of output 438 [2022-11-26 00:04:39,092 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:04:39,094 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:04:39,095 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:04:39,097 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:04:39,101 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:04:39,103 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:04:39,105 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:04:39,107 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:04:39,111 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:04:39,114 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:04:39,115 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:04:39,117 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:04:39,119 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:04:39,121 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:04:39,125 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:04:39,132 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:04:39,134 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:04:39,138 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:04:39,141 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:04:39,143 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:04:39,146 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:04:39,149 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:04:39,153 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:04:39,155 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:04:39,156 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:04:39,159 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:04:39,162 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:04:39,164 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:04:39,165 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:04:39,168 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:04:39,170 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:04:39,171 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:04:39,172 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:04:39,173 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:04:39,177 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:04:39,180 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:04:39,181 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:04:39,184 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:04:39,187 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:04:39,189 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:04:39,190 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:04:39,191 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:04:39,193 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:04:39,194 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:04:39,195 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:04:39,198 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:04:39,200 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:04:39,203 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:04:39,208 INFO L217 Elim1Store]: Index analysis took 121 ms [2022-11-26 00:04:39,489 INFO L321 Elim1Store]: treesize reduction 126, result has 33.7 percent of original size [2022-11-26 00:04:39,490 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 56 select indices, 56 select index equivalence classes, 1533 disjoint index pairs (out of 1540 index pairs), introduced 56 new quantified variables, introduced 14 case distinctions, treesize of input 287 treesize of output 477 [2022-11-26 00:04:43,084 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:04:43,088 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:04:43,310 INFO L217 Elim1Store]: Index analysis took 251 ms [2022-11-26 00:04:46,574 INFO L321 Elim1Store]: treesize reduction 954, result has 33.4 percent of original size [2022-11-26 00:04:46,574 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 56 select indices, 56 select index equivalence classes, 1487 disjoint index pairs (out of 1540 index pairs), introduced 56 new quantified variables, introduced 106 case distinctions, treesize of input 287 treesize of output 661 [2022-11-26 00:04:46,955 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:04:46,956 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:04:46,967 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 54 select indices, 54 select index equivalence classes, 1487 disjoint index pairs (out of 1431 index pairs), introduced 54 new quantified variables, introduced 0 case distinctions, treesize of input 277 treesize of output 438 [2022-11-26 00:04:48,987 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:04:48,990 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:04:49,209 INFO L217 Elim1Store]: Index analysis took 250 ms [2022-11-26 00:04:52,474 INFO L321 Elim1Store]: treesize reduction 954, result has 33.4 percent of original size [2022-11-26 00:04:52,475 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 56 select indices, 56 select index equivalence classes, 1487 disjoint index pairs (out of 1540 index pairs), introduced 56 new quantified variables, introduced 106 case distinctions, treesize of input 287 treesize of output 661 [2022-11-26 00:04:52,833 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:04:52,835 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:04:52,846 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 54 select indices, 54 select index equivalence classes, 1487 disjoint index pairs (out of 1431 index pairs), introduced 54 new quantified variables, introduced 0 case distinctions, treesize of input 277 treesize of output 438 [2022-11-26 00:04:56,617 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:04:56,621 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:04:56,849 INFO L217 Elim1Store]: Index analysis took 262 ms [2022-11-26 00:05:00,095 INFO L321 Elim1Store]: treesize reduction 954, result has 33.4 percent of original size [2022-11-26 00:05:00,096 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 56 select indices, 56 select index equivalence classes, 1487 disjoint index pairs (out of 1540 index pairs), introduced 56 new quantified variables, introduced 106 case distinctions, treesize of input 287 treesize of output 661 [2022-11-26 00:05:00,396 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:05:00,398 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:05:00,408 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 54 select indices, 54 select index equivalence classes, 1487 disjoint index pairs (out of 1431 index pairs), introduced 54 new quantified variables, introduced 0 case distinctions, treesize of input 277 treesize of output 438 [2022-11-26 00:05:01,849 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:05:01,853 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:05:01,856 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:05:01,859 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:05:01,861 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:05:01,864 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:05:01,867 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:05:01,870 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:05:01,873 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:05:01,876 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:05:01,879 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:05:01,882 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:05:01,885 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:05:01,888 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:05:01,891 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:05:01,894 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:05:01,897 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:05:01,900 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:05:01,903 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:05:01,906 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:05:01,909 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:05:01,911 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:05:01,914 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:05:01,917 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:05:01,920 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:05:01,923 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:05:01,926 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:05:01,929 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:05:01,932 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:05:01,934 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:05:01,937 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:05:01,940 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:05:01,943 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:05:01,946 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:05:01,949 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:05:01,951 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:05:01,954 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:05:01,957 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:05:01,960 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:05:01,963 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:05:01,965 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:05:01,968 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:05:01,971 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:05:01,974 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:05:01,977 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:05:01,979 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:05:01,982 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:05:01,985 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:05:01,988 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:05:01,990 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:05:01,993 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:05:01,996 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:05:01,999 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:05:02,002 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:05:02,004 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:05:02,005 INFO L217 Elim1Store]: Index analysis took 158 ms [2022-11-26 00:05:02,010 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 54 select indices, 54 select index equivalence classes, 1487 disjoint index pairs (out of 1431 index pairs), introduced 54 new quantified variables, introduced 0 case distinctions, treesize of input 277 treesize of output 438 [2022-11-26 00:05:02,285 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:05:02,286 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:05:02,288 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:05:02,290 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:05:02,294 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:05:02,295 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:05:02,297 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:05:02,298 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:05:02,300 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:05:02,301 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:05:02,304 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:05:02,306 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:05:02,308 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:05:02,309 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:05:02,314 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:05:02,315 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:05:02,327 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:05:02,329 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:05:02,332 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:05:02,336 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:05:02,339 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:05:02,340 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:05:02,344 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:05:02,345 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:05:02,346 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:05:02,347 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:05:02,349 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:05:02,351 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:05:02,352 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:05:02,354 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:05:02,355 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:05:02,357 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:05:02,359 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:05:02,360 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:05:02,361 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:05:02,363 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:05:02,366 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:05:02,367 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:05:02,368 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:05:02,370 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:05:02,372 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:05:02,373 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:05:02,374 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:05:02,796 INFO L321 Elim1Store]: treesize reduction 216, result has 33.5 percent of original size [2022-11-26 00:05:02,797 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 56 select indices, 56 select index equivalence classes, 1528 disjoint index pairs (out of 1540 index pairs), introduced 56 new quantified variables, introduced 24 case distinctions, treesize of input 287 treesize of output 497 [2022-11-26 00:05:04,016 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:05:04,019 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:05:04,231 INFO L217 Elim1Store]: Index analysis took 239 ms [2022-11-26 00:05:07,404 INFO L321 Elim1Store]: treesize reduction 954, result has 33.4 percent of original size [2022-11-26 00:05:07,405 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 56 select indices, 56 select index equivalence classes, 1487 disjoint index pairs (out of 1540 index pairs), introduced 56 new quantified variables, introduced 106 case distinctions, treesize of input 287 treesize of output 661 [2022-11-26 00:05:07,720 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:05:07,722 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:05:07,730 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 54 select indices, 54 select index equivalence classes, 1487 disjoint index pairs (out of 1431 index pairs), introduced 54 new quantified variables, introduced 0 case distinctions, treesize of input 277 treesize of output 438 [2022-11-26 00:05:08,519 INFO L197 IcfgInterpreter]: Interpreting procedure ldv_assume with input of size 1178 for LOIs [2022-11-26 00:05:12,915 INFO L197 IcfgInterpreter]: Interpreting procedure ldv_is_err with input of size 980 for LOIs [2022-11-26 00:05:13,814 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-26 00:05:19,982 WARN L233 SmtUtils]: Spent 6.07s on a formula simplification. DAG size of input: 404 DAG size of output: 399 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-26 00:05:48,946 WARN L233 SmtUtils]: Spent 13.04s on a formula simplification. DAG size of input: 965 DAG size of output: 861 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-26 00:06:03,940 WARN L233 SmtUtils]: Spent 14.70s on a formula simplification. DAG size of input: 1008 DAG size of output: 904 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-26 00:06:22,285 WARN L233 SmtUtils]: Spent 16.42s on a formula simplification. DAG size of input: 1053 DAG size of output: 917 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-26 00:06:39,203 WARN L233 SmtUtils]: Spent 16.49s on a formula simplification. DAG size of input: 1053 DAG size of output: 917 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-26 00:06:56,324 WARN L233 SmtUtils]: Spent 16.65s on a formula simplification. DAG size of input: 1055 DAG size of output: 919 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-26 00:07:13,451 WARN L233 SmtUtils]: Spent 16.62s on a formula simplification. DAG size of input: 1059 DAG size of output: 920 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-26 00:07:31,068 WARN L233 SmtUtils]: Spent 17.08s on a formula simplification. DAG size of input: 1071 DAG size of output: 932 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-26 00:07:36,819 WARN L233 SmtUtils]: Spent 5.22s on a formula simplification that was a NOOP. DAG size: 945 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-26 00:07:43,539 WARN L233 SmtUtils]: Spent 5.99s on a formula simplification that was a NOOP. DAG size: 962 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-26 00:08:01,502 WARN L233 SmtUtils]: Spent 17.15s on a formula simplification. DAG size of input: 973 DAG size of output: 969 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-26 00:08:13,518 WARN L233 SmtUtils]: Spent 11.24s on a formula simplification. DAG size of input: 980 DAG size of output: 958 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-26 00:08:26,160 WARN L233 SmtUtils]: Spent 11.88s on a formula simplification. DAG size of input: 991 DAG size of output: 969 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-26 00:08:44,770 WARN L233 SmtUtils]: Spent 17.64s on a formula simplification. DAG size of input: 980 DAG size of output: 974 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-26 00:09:03,004 WARN L233 SmtUtils]: Spent 17.26s on a formula simplification. DAG size of input: 980 DAG size of output: 974 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-26 00:09:22,773 WARN L233 SmtUtils]: Spent 18.71s on a formula simplification. DAG size of input: 986 DAG size of output: 978 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-26 00:09:43,018 WARN L233 SmtUtils]: Spent 19.11s on a formula simplification. DAG size of input: 990 DAG size of output: 982 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-26 00:09:54,963 WARN L233 SmtUtils]: Spent 11.18s on a formula simplification. DAG size of input: 884 DAG size of output: 833 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-26 00:12:17,740 WARN L233 SmtUtils]: Spent 5.96s on a formula simplification. DAG size of input: 403 DAG size of output: 398 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-26 00:12:17,746 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '112666#(and (= |sm_cache_flush_ldv_linux_lib_find_bit_find_first_bit_#in~size#1| |sm_cache_flush_ldv_find_first_bit_84_~size#1|) (<= |~#sm_ftl_ops~0.base| 53) (<= 53 |~#sm_ftl_ops~0.base|) (<= ~ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched~0 0) (= (mod (select (select |old(#memory_int)| |sm_cache_flush_~ftl#1.base|) (+ |sm_cache_flush_~ftl#1.offset| 230)) 256) 0) (<= ~rtnllocknumber~0 0) (<= 0 |~#sm_ftl_ops~0.offset|) (= |sm_cache_flush_ldv_linux_lib_find_bit_find_next_bit_#in~offset#1| |sm_cache_flush_ldv_find_next_bit_85_~offset#1|) (<= ~ldv_linux_drivers_base_class_usb_gadget_class~0 0) (= (select (select |old(#memory_$Pointer$.base)| |sm_cache_flush_~ftl#1.base|) (+ 156 |sm_cache_flush_~ftl#1.offset|)) |sm_cache_flush_~zone~3#1.base|) (<= 0 ~ldv_linux_block_request_blk_rq~0) (<= 0 ~ldv_linux_net_register_probe_state~0) (<= 0 |#NULL.base|) (= |sm_cache_flush_#t~mem383#1| (select (select |#memory_int| |sm_cache_flush_~ftl#1.base|) (+ 164 |sm_cache_flush_~ftl#1.offset|))) (<= ~ldv_linux_arch_io_iomem~0 0) (= |sm_cache_flush_ldv_linux_lib_find_bit_find_first_bit_~size#1| |sm_cache_flush_ldv_linux_lib_find_bit_find_first_bit_#in~size#1|) (<= 0 ~ldv_thread_1~0.identifier) (<= 0 ~ldv_linux_mmc_sdio_func_sdio_element~0) (= (+ |sm_cache_flush_~block_num~0#1| 1) 0) (= |sm_cache_flush_~tmp~27#1| 0) (= |sm_cache_flush_~ftl#1.offset| |sm_cache_flush_#in~ftl#1.offset|) (= |sm_cache_flush_ldv_linux_lib_find_bit_find_next_bit_#in~offset#1| |sm_cache_flush_ldv_linux_lib_find_bit_find_next_bit_~offset#1|) (<= 0 ~ldv_thread_7~0.function.offset) (<= 1 ~ldv_linux_kernel_locking_spinlock_spin_ptl~0) (<= ~ldv_linux_mmc_sdio_func_sdio_element~0 0) (<= 0 ~ldv_thread_0~0.function.base) (<= 1 ~ldv_linux_kernel_locking_rwlock_rlock~0) (= |sm_cache_flush_ldv_assert_linux_lib_find_bit__offset_out_of_range_~expr#1| |sm_cache_flush_ldv_assert_linux_lib_find_bit__offset_out_of_range_#in~expr#1|) (<= 0 ~ldv_linux_fs_sysfs_sysfs~0) (<= 1 ~ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data~0) (= |sm_cache_flush_ldv_find_first_bit_84_#in~addr#1.offset| |sm_cache_flush_ldv_find_first_bit_84_~addr#1.offset|) (<= 0 ~ldv_linux_kernel_rcu_update_lock_rcu_nested~0) (<= ~ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct~0 1) (= |sm_cache_flush_#in~ftl#1.base| |sm_cache_flush_~ftl#1.base|) (= |sm_cache_flush_ldv_find_first_bit_84_#in~size#1| |sm_cache_flush_ldv_find_first_bit_84_~size#1|) (<= 0 ~ldv_linux_arch_io_iomem~0) (<= ~ldv_linux_block_genhd_disk_state~0 0) (not (= (ite (<= (mod |sm_cache_flush_ldv_linux_lib_find_bit_find_first_bit_~nondet~1#1| 18446744073709551616) (mod |sm_cache_flush_ldv_linux_lib_find_bit_find_first_bit_~size#1| 18446744073709551616)) 1 0) 0)) (<= 1 ~ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct~0) (<= ~ldv_linux_alloc_usb_lock_lock~0 1) (<= 0 ~LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock~0) (<= 0 |~#cis_signature~0.offset|) (<= ~ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN~0 1) (= |sm_cache_flush_ldv_find_next_bit_85_#in~addr#1.base| |sm_cache_flush_~ftl#1.base|) (<= |~#cis_signature~0.base| 52) (exists ((|v_sm_read_sector_~#tmp_oob~0#1.base_22| Int) (|v_sm_read_sector_~#ops~0#1.base_29| Int)) (and (not (= |v_sm_read_sector_~#tmp_oob~0#1.base_22| 0)) (= 56 (select |#length| |v_sm_read_sector_~#ops~0#1.base_29|)) (not (= |v_sm_read_sector_~#ops~0#1.base_29| 0)) (= (select |#valid| |v_sm_read_sector_~#tmp_oob~0#1.base_22|) 0) (< |#StackHeapBarrier| |v_sm_read_sector_~#ops~0#1.base_29|) (< |#StackHeapBarrier| |v_sm_read_sector_~#tmp_oob~0#1.base_22|) (= (select |#valid| |v_sm_read_sector_~#ops~0#1.base_29|) 0) (not (= |v_sm_read_sector_~#tmp_oob~0#1.base_22| |v_sm_read_sector_~#ops~0#1.base_29|)) (= 16 (select |#length| |v_sm_read_sector_~#tmp_oob~0#1.base_22|)))) (<= 0 ~rtnllocknumber~0) (<= ~cache_timeout~0 1000) (<= 0 ~ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched~0) (<= 0 ~ldv_linux_kernel_rcu_srcu_srcu_nested~0) (<= 0 ~ldv_thread_1~0.function.offset) (= |sm_cache_flush_ldv_find_first_bit_84_#res#1| |sm_cache_flush_ldv_find_first_bit_84_~tmp~42#1|) (<= ~debug~0 0) (= |sm_cache_flush_~zone~3#1.offset| (+ (* (ite (<= (mod |sm_cache_flush_~zone_num~0#1| 18446744073709551616) 9223372036854775807) (mod |sm_cache_flush_~zone_num~0#1| 18446744073709551616) (+ (- 18446744073709551616) (mod |sm_cache_flush_~zone_num~0#1| 18446744073709551616))) 33) (select (select |old(#memory_$Pointer$.offset)| |sm_cache_flush_~ftl#1.base|) (+ 156 |sm_cache_flush_~ftl#1.offset|)))) (<= ~ldv_thread_0~0.function.offset 0) (= |sm_cache_flush_ldv_find_next_bit_85_~size#1| |sm_cache_flush_ldv_linux_lib_find_bit_find_next_bit_#in~size#1|) (<= ~ldv_thread_1~0.function.offset 0) (<= ~ldv_linux_fs_sysfs_sysfs~0 0) (= |sm_cache_flush_ldv_linux_lib_find_bit_find_next_bit_~size#1| |sm_cache_flush_ldv_linux_lib_find_bit_find_next_bit_#in~size#1|) (<= ~__ldv_in_interrupt_context~0 0) (<= 51 |~#chs_table~0.base|) (<= 1 ~ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN~0) (= |sm_cache_flush_ldv_find_first_bit_84_#in~addr#1.base| |sm_cache_flush_~ftl#1.base|) (<= ~ldv_thread_0~0.function.base 0) (<= 0 ~ldv_linux_usb_register_probe_state~0) (<= 0 ~ldv_linux_usb_urb_urb_state~0) (<= 0 ~ldv_thread_1~0.function.base) (<= 0 |~#chs_table~0.offset|) (= |sm_cache_flush_~#write_sector~0#1.offset| 0) (= |sm_cache_flush_ldv_find_next_bit_85_#in~size#1| (ite (and (< |sm_cache_flush_#t~mem383#1| 0) (not (= (mod |sm_cache_flush_#t~mem383#1| 512) 0))) (+ (div |sm_cache_flush_#t~mem383#1| 512) 1) (div |sm_cache_flush_#t~mem383#1| 512))) (<= ~ldv_linux_kernel_locking_spinlock_spin_lock~0 1) (= (select (select |old(#memory_int)| (select (select |old(#memory_$Pointer$.base)| |sm_cache_flush_~zone~3#1.base|) (+ |sm_cache_flush_~zone~3#1.offset| 1))) (+ (* (ite (<= (mod (select (select |old(#memory_int)| |sm_cache_flush_~ftl#1.base|) (+ |sm_cache_flush_~ftl#1.offset| 206)) 18446744073709551616) 9223372036854775807) (mod (select (select |old(#memory_int)| |sm_cache_flush_~ftl#1.base|) (+ |sm_cache_flush_~ftl#1.offset| 206)) 18446744073709551616) (+ (- 18446744073709551616) (mod (select (select |old(#memory_int)| |sm_cache_flush_~ftl#1.base|) (+ |sm_cache_flush_~ftl#1.offset| 206)) 18446744073709551616))) 2) (select (select |old(#memory_$Pointer$.offset)| |sm_cache_flush_~zone~3#1.base|) (+ |sm_cache_flush_~zone~3#1.offset| 1)))) |sm_cache_flush_~block_num~0#1|) (< |sm_cache_flush_~sector_num~0#1| (ite (and (not (= (mod (select (select |old(#memory_int)| |sm_cache_flush_~ftl#1.base|) (+ 164 |sm_cache_flush_~ftl#1.offset|)) 512) 0)) (< (select (select |old(#memory_int)| |sm_cache_flush_~ftl#1.base|) (+ 164 |sm_cache_flush_~ftl#1.offset|)) 0)) (+ (div (select (select |old(#memory_int)| |sm_cache_flush_~ftl#1.base|) (+ 164 |sm_cache_flush_~ftl#1.offset|)) 512) 1) (div (select (select |old(#memory_int)| |sm_cache_flush_~ftl#1.base|) (+ 164 |sm_cache_flush_~ftl#1.offset|)) 512))) (<= |#NULL.offset| 0) (<= ~ldv_linux_lib_idr_idr~0 0) (<= 1000 ~cache_timeout~0) (= |sm_cache_flush_ldv_assert_linux_lib_find_bit__offset_out_of_range_#in~expr#1| (ite (<= (mod |sm_cache_flush_ldv_linux_lib_find_bit_find_next_bit_~offset#1| 18446744073709551616) (mod |sm_cache_flush_ldv_linux_lib_find_bit_find_next_bit_~size#1| 18446744073709551616)) 1 0)) (<= ~LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock~0 0) (<= 0 ~ldv_linux_block_genhd_disk_state~0) (<= 1 ~ldv_linux_kernel_module_module_refcounter~0) (= |sm_cache_flush_ldv_find_first_bit_84_~addr#1.base| |sm_cache_flush_ldv_find_first_bit_84_#in~addr#1.base|) (<= ~LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS~0 0) (<= ~ldv_linux_fs_char_dev_usb_gadget_chrdev~0 0) (<= 0 ~ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh~0) (exists ((|v_sm_release_#in~dev#1.base_BEFORE_CALL_3| Int) (|v_sm_release_#in~dev#1.offset_BEFORE_CALL_3| Int)) (and (= |sm_cache_flush_#in~ftl#1.base| (select (select |old(#memory_$Pointer$.base)| |v_sm_release_#in~dev#1.base_BEFORE_CALL_3|) (+ |v_sm_release_#in~dev#1.offset_BEFORE_CALL_3| 381))) (= (select (select |old(#memory_$Pointer$.offset)| |v_sm_release_#in~dev#1.base_BEFORE_CALL_3|) (+ |v_sm_release_#in~dev#1.offset_BEFORE_CALL_3| 381)) |sm_cache_flush_#in~ftl#1.offset|))) (= |sm_cache_flush_ldv_find_first_bit_84_~tmp~42#1| |sm_cache_flush_ldv_linux_lib_find_bit_find_first_bit_#res#1|) (<= ~ldv_thread_7~0.function.offset 0) (<= 0 ~ldv_linux_drivers_base_class_usb_gadget_class~0) (<= |~#chs_table~0.base| 51) (<= |~#chs_table~0.offset| 0) (<= ~ldv_linux_kernel_module_module_refcounter~0 1) (<= ~ldv_linux_usb_urb_urb_state~0 0) (<= |~#sm_ftl_ops~0.offset| 0) (<= ~ldv_linux_usb_register_probe_state~0 0) (<= ~ldv_thread_7~0.identifier 0) (<= 0 ~ldv_linux_lib_idr_idr~0) (= (select |old(#valid)| |sm_cache_flush_~#write_sector~0#1.base|) 0) (<= 0 ~ldv_linux_fs_char_dev_usb_gadget_chrdev~0) (= |sm_cache_flush_ldv_linux_lib_find_bit_find_first_bit_~nondet~1#1| |sm_cache_flush_ldv_linux_lib_find_bit_find_first_bit_~tmp~70#1|) (<= 1 ~ldv_linux_kernel_locking_spinlock_spin_lock~0) (<= 0 ~debug~0) (<= 1 ~ldv_linux_kernel_locking_rwlock_wlock~0) (= |sm_cache_flush_~zone_num~0#1| (select (select |old(#memory_int)| |sm_cache_flush_~ftl#1.base|) (+ |sm_cache_flush_~ftl#1.offset| 210))) (<= 52 |~#cis_signature~0.base|) (= |sm_cache_flush_ldv_find_next_bit_85_#in~addr#1.base| |sm_cache_flush_ldv_find_next_bit_85_~addr#1.base|) (= (ite (< |sm_cache_flush_~zone_num~0#1| 0) 1 0) |sm_cache_flush_~tmp~27#1|) (<= ~ldv_thread_1~0.identifier 0) (<= ~ldv_linux_kernel_locking_rwlock_rlock~0 1) (= |sm_cache_flush_~sector_num~0#1| (ite (<= (mod |sm_cache_flush_~tmp___0~18#1| 4294967296) 2147483647) (mod |sm_cache_flush_~tmp___0~18#1| 4294967296) (+ (mod |sm_cache_flush_~tmp___0~18#1| 4294967296) (- 4294967296)))) (<= 0 ~ldv_linux_block_queue_queue_state~0) (<= ~ldv_linux_usb_coherent_coherent_state~0 0) (<= 0 ~LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device~0) (= |sm_cache_flush_~tmp___1~12#1| 0) (<= |~#cis_signature~0.offset| 0) (= |sm_cache_flush_ldv_find_first_bit_84_#in~addr#1.offset| (+ |sm_cache_flush_~ftl#1.offset| 222)) (<= |#NULL.base| 0) (<= ~ldv_thread_0~0.identifier 0) (<= 1 ~ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct~0) (<= 0 ~ldv_linux_usb_coherent_coherent_state~0) (= ~LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_sm_ftl~0 1) (<= ~ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data~0 1) (<= 0 ~ldv_thread_7~0.identifier) (= |sm_cache_flush_ldv_assert_linux_lib_find_bit__offset_out_of_range_~expr#1| 0) (<= ~ldv_linux_block_request_blk_rq~0 0) (<= ~LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device~0 0) (<= ~ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh~0 0) (= |sm_cache_flush_~tmp___0~18#1| |sm_cache_flush_ldv_find_first_bit_84_#res#1|) (= |sm_cache_flush_ldv_linux_lib_find_bit_find_first_bit_~nondet~1#1| |sm_cache_flush_ldv_linux_lib_find_bit_find_first_bit_#res#1|) (<= ~ldv_thread_7~0.function.base 0) (<= ~ldv_linux_kernel_rcu_update_lock_rcu_nested~0 0) (<= 0 ~locksocknumber~0) (<= ~locksocknumber~0 0) (<= 0 ~__ldv_in_interrupt_context~0) (= |old(~ldv_linux_kernel_sched_completion_completion_erase_completion_of_sm_ftl~0)| ~ldv_linux_kernel_sched_completion_completion_erase_completion_of_sm_ftl~0) (<= 0 ~ldv_linux_usb_gadget_usb_gadget~0) (= (+ |sm_cache_flush_~sector_num~0#1| 1) |sm_cache_flush_ldv_find_next_bit_85_#in~offset#1|) (<= ~ldv_linux_kernel_sched_completion_completion_erase_completion_of_sm_ftl~0 0) (= |sm_cache_flush_ldv_find_next_bit_85_~offset#1| |sm_cache_flush_ldv_find_next_bit_85_#in~offset#1|) (= |sm_cache_flush_ldv_find_next_bit_85_#in~addr#1.offset| |sm_cache_flush_ldv_find_next_bit_85_~addr#1.offset|) (<= ~ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct~0 1) (<= ~ldv_linux_net_register_probe_state~0 0) (<= 0 |#NULL.offset|) (= |sm_cache_flush_ldv_linux_lib_find_bit_find_next_bit_~nondet~0#1| |sm_cache_flush_ldv_linux_lib_find_bit_find_next_bit_~tmp~69#1|) (<= ~ldv_thread_1~0.function.base 0) (<= 1 ~ldv_linux_alloc_usb_lock_lock~0) (= |sm_cache_flush_ldv_find_next_bit_85_#in~addr#1.offset| (+ |sm_cache_flush_~ftl#1.offset| 222)) (<= 0 |#StackHeapBarrier|) (<= ~ldv_linux_kernel_rcu_srcu_srcu_nested~0 0) (<= 0 ~ldv_thread_7~0.function.base) (<= ~ldv_linux_block_queue_queue_state~0 0) (<= 0 |old(~ldv_linux_kernel_sched_completion_completion_erase_completion_of_sm_ftl~0)|) (<= 0 ~LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS~0) (= (ite (and (not (= (mod (select (select |old(#memory_int)| |sm_cache_flush_~ftl#1.base|) (+ 164 |sm_cache_flush_~ftl#1.offset|)) 512) 0)) (< (select (select |old(#memory_int)| |sm_cache_flush_~ftl#1.base|) (+ 164 |sm_cache_flush_~ftl#1.offset|)) 0)) (+ (div (select (select |old(#memory_int)| |sm_cache_flush_~ftl#1.base|) (+ 164 |sm_cache_flush_~ftl#1.offset|)) 512) 1) (div (select (select |old(#memory_int)| |sm_cache_flush_~ftl#1.base|) (+ 164 |sm_cache_flush_~ftl#1.offset|)) 512)) |sm_cache_flush_ldv_find_first_bit_84_#in~size#1|) (= |sm_cache_flush_ldv_find_next_bit_85_~size#1| |sm_cache_flush_ldv_find_next_bit_85_#in~size#1|) (<= ~ldv_linux_kernel_locking_spinlock_spin_ptl~0 1) (<= 0 ~ldv_thread_0~0.identifier) (< |#StackHeapBarrier| |sm_cache_flush_~#write_sector~0#1.base|) (<= ~ldv_linux_usb_gadget_usb_gadget~0 0) (= (mod (select (select |old(#memory_int)| |sm_cache_flush_~ftl#1.base|) (+ |sm_cache_flush_~ftl#1.offset| 185)) 256) 0) (<= ~ldv_linux_kernel_locking_rwlock_wlock~0 1) (<= 0 ~ldv_thread_0~0.function.offset))' at error location [2022-11-26 00:12:17,746 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-11-26 00:12:17,746 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-26 00:12:17,746 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 9 [2022-11-26 00:12:17,747 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [197873370] [2022-11-26 00:12:17,747 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-26 00:12:17,747 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-26 00:12:17,748 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:12:17,748 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-26 00:12:17,750 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=356, Invalid=5650, Unknown=0, NotChecked=0, Total=6006 [2022-11-26 00:12:17,750 INFO L87 Difference]: Start difference. First operand 1751 states and 2356 transitions. Second operand has 9 states, 7 states have (on average 8.142857142857142) internal successors, (57), 9 states have internal predecessors, (57), 2 states have call successors, (22), 2 states have call predecessors, (22), 4 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2022-11-26 00:12:21,178 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:12:23,736 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:12:23,737 INFO L93 Difference]: Finished difference Result 3506 states and 4795 transitions. [2022-11-26 00:12:23,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-26 00:12:23,737 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 7 states have (on average 8.142857142857142) internal successors, (57), 9 states have internal predecessors, (57), 2 states have call successors, (22), 2 states have call predecessors, (22), 4 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) Word has length 100 [2022-11-26 00:12:23,738 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:12:23,746 INFO L225 Difference]: With dead ends: 3506 [2022-11-26 00:12:23,747 INFO L226 Difference]: Without dead ends: 1766 [2022-11-26 00:12:23,758 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 308 GetRequests, 224 SyntacticMatches, 3 SemanticMatches, 81 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2521 ImplicationChecksByTransitivity, 424.0s TimeCoverageRelationStatistics Valid=401, Invalid=6405, Unknown=0, NotChecked=0, Total=6806 [2022-11-26 00:12:23,758 INFO L413 NwaCegarLoop]: 1016 mSDtfsCounter, 7 mSDsluCounter, 3033 mSDsCounter, 0 mSdLazyCounter, 679 mSolverCounterSat, 13 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 4049 SdHoareTripleChecker+Invalid, 693 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 679 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.5s IncrementalHoareTripleChecker+Time [2022-11-26 00:12:23,759 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 4049 Invalid, 693 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 679 Invalid, 1 Unknown, 0 Unchecked, 5.5s Time] [2022-11-26 00:12:23,761 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1766 states. [2022-11-26 00:12:23,945 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1766 to 1762. [2022-11-26 00:12:23,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1762 states, 1081 states have (on average 1.2793709528214616) internal successors, (1383), 1141 states have internal predecessors, (1383), 488 states have call successors, (488), 178 states have call predecessors, (488), 181 states have return successors, (498), 483 states have call predecessors, (498), 486 states have call successors, (498) [2022-11-26 00:12:23,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1762 states to 1762 states and 2369 transitions. [2022-11-26 00:12:23,955 INFO L78 Accepts]: Start accepts. Automaton has 1762 states and 2369 transitions. Word has length 100 [2022-11-26 00:12:23,955 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:12:23,955 INFO L495 AbstractCegarLoop]: Abstraction has 1762 states and 2369 transitions. [2022-11-26 00:12:23,956 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 7 states have (on average 8.142857142857142) internal successors, (57), 9 states have internal predecessors, (57), 2 states have call successors, (22), 2 states have call predecessors, (22), 4 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2022-11-26 00:12:23,956 INFO L276 IsEmpty]: Start isEmpty. Operand 1762 states and 2369 transitions. [2022-11-26 00:12:23,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2022-11-26 00:12:23,959 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:12:23,960 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:12:23,971 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06479d6d-a340-47c8-a7e8-124678833506/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-26 00:12:24,169 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06479d6d-a340-47c8-a7e8-124678833506/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable20 [2022-11-26 00:12:24,170 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ldv_linux_kernel_rcu_srcu_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 25 more)] === [2022-11-26 00:12:24,170 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:12:24,170 INFO L85 PathProgramCache]: Analyzing trace with hash -1806839213, now seen corresponding path program 1 times [2022-11-26 00:12:24,170 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:12:24,170 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1995490531] [2022-11-26 00:12:24,170 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:12:24,171 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:12:24,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:12:24,343 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-11-26 00:12:24,344 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:12:24,344 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1995490531] [2022-11-26 00:12:24,344 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1995490531] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:12:24,344 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:12:24,345 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-26 00:12:24,345 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [117896361] [2022-11-26 00:12:24,345 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:12:24,345 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-26 00:12:24,346 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:12:24,346 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-26 00:12:24,346 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-26 00:12:24,347 INFO L87 Difference]: Start difference. First operand 1762 states and 2369 transitions. Second operand has 4 states, 4 states have (on average 14.25) internal successors, (57), 4 states have internal predecessors, (57), 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) [2022-11-26 00:12:26,846 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:12:26,846 INFO L93 Difference]: Finished difference Result 1762 states and 2369 transitions. [2022-11-26 00:12:26,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-26 00:12:26,847 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.25) internal successors, (57), 4 states have internal predecessors, (57), 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 100 [2022-11-26 00:12:26,847 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:12:26,854 INFO L225 Difference]: With dead ends: 1762 [2022-11-26 00:12:26,854 INFO L226 Difference]: Without dead ends: 1760 [2022-11-26 00:12:26,856 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 [2022-11-26 00:12:26,856 INFO L413 NwaCegarLoop]: 1015 mSDtfsCounter, 1146 mSDsluCounter, 1015 mSDsCounter, 0 mSdLazyCounter, 315 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1148 SdHoareTripleChecker+Valid, 2030 SdHoareTripleChecker+Invalid, 315 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 315 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2022-11-26 00:12:26,857 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1148 Valid, 2030 Invalid, 315 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 315 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2022-11-26 00:12:26,859 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1760 states. [2022-11-26 00:12:27,100 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1760 to 1760. [2022-11-26 00:12:27,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1760 states, 1080 states have (on average 1.2787037037037037) internal successors, (1381), 1139 states have internal predecessors, (1381), 488 states have call successors, (488), 178 states have call predecessors, (488), 181 states have return successors, (498), 483 states have call predecessors, (498), 486 states have call successors, (498) [2022-11-26 00:12:27,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1760 states to 1760 states and 2367 transitions. [2022-11-26 00:12:27,110 INFO L78 Accepts]: Start accepts. Automaton has 1760 states and 2367 transitions. Word has length 100 [2022-11-26 00:12:27,110 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:12:27,110 INFO L495 AbstractCegarLoop]: Abstraction has 1760 states and 2367 transitions. [2022-11-26 00:12:27,110 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.25) internal successors, (57), 4 states have internal predecessors, (57), 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) [2022-11-26 00:12:27,111 INFO L276 IsEmpty]: Start isEmpty. Operand 1760 states and 2367 transitions. [2022-11-26 00:12:27,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2022-11-26 00:12:27,114 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:12:27,114 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:12:27,114 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2022-11-26 00:12:27,116 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting sm_cache_flushErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 25 more)] === [2022-11-26 00:12:27,117 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:12:27,117 INFO L85 PathProgramCache]: Analyzing trace with hash -1465169819, now seen corresponding path program 1 times [2022-11-26 00:12:27,117 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:12:27,117 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1739579720] [2022-11-26 00:12:27,118 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:12:27,118 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:12:27,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:12:27,683 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2022-11-26 00:12:27,684 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:12:27,684 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1739579720] [2022-11-26 00:12:27,684 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1739579720] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-26 00:12:27,684 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1974230992] [2022-11-26 00:12:27,684 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:12:27,684 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-26 00:12:27,684 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06479d6d-a340-47c8-a7e8-124678833506/bin/utaipan-ByfvJB40ur/z3 [2022-11-26 00:12:27,687 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06479d6d-a340-47c8-a7e8-124678833506/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-26 00:12:27,711 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06479d6d-a340-47c8-a7e8-124678833506/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-26 00:12:28,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:12:28,336 INFO L263 TraceCheckSpWp]: Trace formula consists of 1261 conjuncts, 14 conjunts are in the unsatisfiable core [2022-11-26 00:12:28,341 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-26 00:12:28,439 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 2 proven. 10 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2022-11-26 00:12:28,440 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-26 00:12:28,731 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2022-11-26 00:12:28,731 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1974230992] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-26 00:12:28,732 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [989832523] [2022-11-26 00:12:28,736 INFO L159 IcfgInterpreter]: Started Sifa with 82 locations of interest [2022-11-26 00:12:28,736 INFO L166 IcfgInterpreter]: Building call graph [2022-11-26 00:12:28,736 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-26 00:12:28,737 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-26 00:12:28,737 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-26 00:12:30,911 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:12:33,511 INFO L321 Elim1Store]: treesize reduction 936, result has 33.4 percent of original size [2022-11-26 00:12:33,512 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 55 select indices, 55 select index equivalence classes, 1433 disjoint index pairs (out of 1485 index pairs), introduced 55 new quantified variables, introduced 104 case distinctions, treesize of input 282 treesize of output 649 [2022-11-26 00:12:33,967 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:12:33,976 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 53 select indices, 53 select index equivalence classes, 1432 disjoint index pairs (out of 1378 index pairs), introduced 53 new quantified variables, introduced 0 case distinctions, treesize of input 272 treesize of output 430 [2022-11-26 00:12:45,329 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-11-26 00:12:45,335 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-26 00:12:46,509 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:12:46,524 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 55 select indices, 55 select index equivalence classes, 1485 disjoint index pairs (out of 1485 index pairs), introduced 55 new quantified variables, introduced 0 case distinctions, treesize of input 276 treesize of output 166 [2022-11-26 00:12:46,741 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:12:46,754 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 54 select indices, 54 select index equivalence classes, 1432 disjoint index pairs (out of 1431 index pairs), introduced 54 new quantified variables, introduced 0 case distinctions, treesize of input 271 treesize of output 163 [2022-11-26 00:12:48,916 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:12:48,923 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 55 select indices, 55 select index equivalence classes, 1485 disjoint index pairs (out of 1485 index pairs), introduced 55 new quantified variables, introduced 0 case distinctions, treesize of input 276 treesize of output 166 [2022-11-26 00:12:49,086 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:12:49,094 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 54 select indices, 54 select index equivalence classes, 1432 disjoint index pairs (out of 1431 index pairs), introduced 54 new quantified variables, introduced 0 case distinctions, treesize of input 271 treesize of output 163 [2022-11-26 00:12:53,211 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:12:53,213 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:12:53,215 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:12:53,217 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:12:53,219 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:12:53,222 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:12:53,223 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:12:53,292 INFO L321 Elim1Store]: treesize reduction 17, result has 29.2 percent of original size [2022-11-26 00:12:53,294 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 16 select indices, 16 select index equivalence classes, 120 disjoint index pairs (out of 120 index pairs), introduced 16 new quantified variables, introduced 1 case distinctions, treesize of input 3339 treesize of output 3289 [2022-11-26 00:12:53,885 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:12:53,886 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:12:53,887 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:12:53,888 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:12:53,890 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:12:53,891 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:12:53,892 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:12:53,893 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:12:53,897 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:12:53,898 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:12:53,902 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:12:53,904 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:12:53,906 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:12:53,907 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:12:53,908 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:12:53,910 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:12:53,911 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:12:53,914 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:12:53,918 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:12:53,922 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:12:53,926 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:12:53,939 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:12:53,941 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:12:53,943 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:12:53,945 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:12:53,946 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:12:53,948 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:12:53,950 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:12:53,951 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:12:53,953 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:12:53,954 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:12:53,956 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:12:53,958 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:12:53,959 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:12:53,961 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:12:53,962 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:12:53,964 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:12:53,965 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:12:53,967 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:12:53,968 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:12:53,970 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:12:53,971 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:12:53,973 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:12:53,974 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:12:53,976 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:12:53,977 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:12:53,979 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:12:53,980 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:12:53,981 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:12:53,983 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:12:53,984 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:12:53,986 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:12:53,987 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:12:53,989 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:12:53,990 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:12:53,992 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:12:53,993 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:12:53,995 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:12:53,996 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:12:53,998 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:12:53,999 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:12:54,001 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:12:54,003 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:12:54,004 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:12:54,006 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:12:54,007 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:12:54,009 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:12:54,010 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:12:54,012 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:12:54,014 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:12:54,016 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:12:54,018 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:12:54,019 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:12:54,021 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:12:54,022 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:12:54,024 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:12:54,026 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:12:54,027 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:12:54,029 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:12:54,030 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:12:54,033 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:12:54,035 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:12:54,216 INFO L321 Elim1Store]: treesize reduction 128, result has 41.0 percent of original size [2022-11-26 00:12:54,219 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 93 select indices, 93 select index equivalence classes, 1445 disjoint index pairs (out of 4278 index pairs), introduced 93 new quantified variables, introduced 8 case distinctions, treesize of input 3343 treesize of output 3139 [2022-11-26 00:12:54,650 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:12:54,652 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:12:54,654 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:12:54,656 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:12:54,658 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:12:54,660 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:12:54,661 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:12:54,712 INFO L321 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2022-11-26 00:12:54,713 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 16 select indices, 16 select index equivalence classes, 120 disjoint index pairs (out of 120 index pairs), introduced 16 new quantified variables, introduced 1 case distinctions, treesize of input 3275 treesize of output 3229