./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 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28d23837-02f3-4a92-9ae3-7fb52e916186/bin/utaipan-gh47qXpMRh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28d23837-02f3-4a92-9ae3-7fb52e916186/bin/utaipan-gh47qXpMRh/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28d23837-02f3-4a92-9ae3-7fb52e916186/bin/utaipan-gh47qXpMRh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28d23837-02f3-4a92-9ae3-7fb52e916186/bin/utaipan-gh47qXpMRh/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_28d23837-02f3-4a92-9ae3-7fb52e916186/bin/utaipan-gh47qXpMRh/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28d23837-02f3-4a92-9ae3-7fb52e916186/bin/utaipan-gh47qXpMRh --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-2329fc7 [2022-12-14 15:43:42,501 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 15:43:42,503 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 15:43:42,515 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 15:43:42,515 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 15:43:42,516 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 15:43:42,516 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 15:43:42,517 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 15:43:42,518 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 15:43:42,519 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 15:43:42,519 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 15:43:42,520 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 15:43:42,520 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 15:43:42,521 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 15:43:42,522 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 15:43:42,522 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 15:43:42,523 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 15:43:42,523 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 15:43:42,524 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 15:43:42,525 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 15:43:42,526 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 15:43:42,527 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 15:43:42,528 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 15:43:42,528 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 15:43:42,535 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 15:43:42,535 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 15:43:42,535 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 15:43:42,536 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 15:43:42,536 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 15:43:42,538 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 15:43:42,538 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 15:43:42,539 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 15:43:42,540 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 15:43:42,541 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 15:43:42,543 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 15:43:42,543 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 15:43:42,544 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 15:43:42,544 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 15:43:42,544 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 15:43:42,545 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 15:43:42,546 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 15:43:42,547 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28d23837-02f3-4a92-9ae3-7fb52e916186/bin/utaipan-gh47qXpMRh/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-12-14 15:43:42,566 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 15:43:42,566 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 15:43:42,566 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-14 15:43:42,566 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-14 15:43:42,567 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 15:43:42,567 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-14 15:43:42,567 INFO L138 SettingsManager]: * User list type=DISABLED [2022-12-14 15:43:42,567 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-12-14 15:43:42,567 INFO L138 SettingsManager]: * Explicit value domain=true [2022-12-14 15:43:42,567 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-12-14 15:43:42,568 INFO L138 SettingsManager]: * Octagon Domain=false [2022-12-14 15:43:42,568 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-12-14 15:43:42,568 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-12-14 15:43:42,568 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-12-14 15:43:42,568 INFO L138 SettingsManager]: * Interval Domain=false [2022-12-14 15:43:42,568 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-12-14 15:43:42,568 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-12-14 15:43:42,568 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-12-14 15:43:42,569 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 15:43:42,569 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 15:43:42,569 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 15:43:42,569 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 15:43:42,569 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 15:43:42,569 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 15:43:42,570 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 15:43:42,570 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 15:43:42,570 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 15:43:42,570 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 15:43:42,570 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-14 15:43:42,570 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 15:43:42,570 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 15:43:42,570 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-12-14 15:43:42,571 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 15:43:42,571 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 15:43:42,571 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-12-14 15:43:42,571 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 15:43:42,571 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 15:43:42,571 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-12-14 15:43:42,571 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_28d23837-02f3-4a92-9ae3-7fb52e916186/bin/utaipan-gh47qXpMRh/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28d23837-02f3-4a92-9ae3-7fb52e916186/bin/utaipan-gh47qXpMRh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 66513110c58cbfd09ef37c44af5b1d4813bd7e87bef538ae0fb21419e856753a [2022-12-14 15:43:42,730 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 15:43:42,749 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 15:43:42,751 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 15:43:42,752 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 15:43:42,753 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 15:43:42,753 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28d23837-02f3-4a92-9ae3-7fb52e916186/bin/utaipan-gh47qXpMRh/../../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--sm_ftl.ko.cil.i [2022-12-14 15:43:45,332 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 15:43:45,712 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 15:43:45,713 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28d23837-02f3-4a92-9ae3-7fb52e916186/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--sm_ftl.ko.cil.i [2022-12-14 15:43:45,741 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28d23837-02f3-4a92-9ae3-7fb52e916186/bin/utaipan-gh47qXpMRh/data/386812e78/733852afd5514e36892067f30d6128f0/FLAG1fcb80a1d [2022-12-14 15:43:45,755 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28d23837-02f3-4a92-9ae3-7fb52e916186/bin/utaipan-gh47qXpMRh/data/386812e78/733852afd5514e36892067f30d6128f0 [2022-12-14 15:43:45,757 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 15:43:45,758 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 15:43:45,760 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 15:43:45,760 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 15:43:45,763 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 15:43:45,764 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 03:43:45" (1/1) ... [2022-12-14 15:43:45,765 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@25aa4b63 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:43:45, skipping insertion in model container [2022-12-14 15:43:45,765 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 03:43:45" (1/1) ... [2022-12-14 15:43:45,773 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 15:43:45,874 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 15:43:46,868 WARN L623 FunctionHandler]: Unknown extern function queue_work_on [2022-12-14 15:43:46,945 WARN L623 FunctionHandler]: Unknown extern function memcmp [2022-12-14 15:43:47,010 WARN L623 FunctionHandler]: Unknown extern function strncpy [2022-12-14 15:43:47,015 WARN L623 FunctionHandler]: Unknown extern function kstrndup [2022-12-14 15:43:47,025 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 15:43:47,025 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 15:43:47,026 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 15:43:47,032 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 15:43:47,032 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 15:43:47,033 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 15:43:47,034 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 15:43:47,045 WARN L623 FunctionHandler]: Unknown extern function memcmp [2022-12-14 15:43:47,052 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-12-14 15:43:47,060 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-12-14 15:43:47,062 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-12-14 15:43:47,063 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-12-14 15:43:47,064 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-12-14 15:43:47,075 WARN L623 FunctionHandler]: Unknown extern function __nand_calculate_ecc [2022-12-14 15:43:47,076 WARN L623 FunctionHandler]: Unknown extern function __nand_correct_data [2022-12-14 15:43:47,077 WARN L623 FunctionHandler]: Unknown extern function __nand_calculate_ecc [2022-12-14 15:43:47,077 WARN L623 FunctionHandler]: Unknown extern function __nand_correct_data [2022-12-14 15:43:47,085 WARN L623 FunctionHandler]: Unknown extern function mtd_read_oob [2022-12-14 15:43:47,086 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 15:43:47,088 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-12-14 15:43:47,090 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-12-14 15:43:47,091 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 15:43:47,093 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 15:43:47,099 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 15:43:47,102 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 15:43:47,103 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-12-14 15:43:47,104 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-12-14 15:43:47,110 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 15:43:47,112 WARN L623 FunctionHandler]: Unknown extern function __nand_calculate_ecc [2022-12-14 15:43:47,112 WARN L623 FunctionHandler]: Unknown extern function __nand_calculate_ecc [2022-12-14 15:43:47,117 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 15:43:47,121 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 15:43:47,122 WARN L623 FunctionHandler]: Unknown extern function mtd_erase [2022-12-14 15:43:47,122 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 15:43:47,123 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 15:43:47,125 WARN L623 FunctionHandler]: Unknown extern function __kfifo_in [2022-12-14 15:43:47,126 WARN L623 FunctionHandler]: Unknown extern function complete [2022-12-14 15:43:47,144 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 15:43:47,150 WARN L623 FunctionHandler]: Unknown extern function memcmp [2022-12-14 15:43:47,158 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 15:43:47,160 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 15:43:47,165 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 15:43:47,167 WARN L623 FunctionHandler]: Unknown extern function __kfifo_alloc [2022-12-14 15:43:47,167 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 15:43:47,169 WARN L623 FunctionHandler]: Unknown extern function __kfifo_in [2022-12-14 15:43:47,169 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 15:43:47,170 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 15:43:47,171 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 15:43:47,172 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 15:43:47,174 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 15:43:47,175 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 15:43:47,176 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 15:43:47,176 WARN L623 FunctionHandler]: Unknown extern function get_random_bytes [2022-12-14 15:43:47,178 WARN L623 FunctionHandler]: Unknown extern function __kfifo_out [2022-12-14 15:43:47,179 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-12-14 15:43:47,180 WARN L623 FunctionHandler]: Unknown extern function __kfifo_in [2022-12-14 15:43:47,211 WARN L623 FunctionHandler]: Unknown extern function __kfifo_out [2022-12-14 15:43:47,211 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 15:43:47,227 WARN L623 FunctionHandler]: Unknown extern function msecs_to_jiffies [2022-12-14 15:43:47,233 WARN L623 FunctionHandler]: Unknown extern function cancel_work_sync [2022-12-14 15:43:47,240 WARN L623 FunctionHandler]: Unknown extern function __mutex_init [2022-12-14 15:43:47,240 WARN L623 FunctionHandler]: Unknown extern function init_timer_key [2022-12-14 15:43:47,241 WARN L623 FunctionHandler]: Unknown extern function __init_work [2022-12-14 15:43:47,241 WARN L623 FunctionHandler]: Unknown extern function lockdep_init_map [2022-12-14 15:43:47,242 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 15:43:47,244 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 15:43:47,245 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 15:43:47,246 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 15:43:47,246 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 15:43:47,247 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 15:43:47,247 WARN L623 FunctionHandler]: Unknown extern function add_mtd_blktrans_dev [2022-12-14 15:43:47,247 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 15:43:47,248 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 15:43:47,248 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 15:43:47,248 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 15:43:47,248 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 15:43:47,249 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 15:43:47,252 WARN L623 FunctionHandler]: Unknown extern function del_mtd_blktrans_dev [2022-12-14 15:43:47,252 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 15:43:47,253 WARN L623 FunctionHandler]: Unknown extern function __kfifo_free [2022-12-14 15:43:47,253 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 15:43:47,253 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 15:43:47,254 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 15:43:47,254 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 15:43:47,257 WARN L623 FunctionHandler]: Unknown extern function __alloc_workqueue_key [2022-12-14 15:43:47,258 WARN L623 FunctionHandler]: Unknown extern function destroy_workqueue [2022-12-14 15:43:47,261 WARN L623 FunctionHandler]: Unknown extern function destroy_workqueue [2022-12-14 15:43:47,318 WARN L623 FunctionHandler]: Unknown extern function ldv_after_alloc [2022-12-14 15:43:47,321 WARN L623 FunctionHandler]: Unknown extern function wait_for_completion [2022-12-14 15:43:47,322 WARN L623 FunctionHandler]: Unknown extern function del_timer [2022-12-14 15:43:47,323 WARN L623 FunctionHandler]: Unknown extern function mod_timer [2022-12-14 15:43:47,324 WARN L623 FunctionHandler]: Unknown extern function del_timer_sync [2022-12-14 15:43:47,324 WARN L623 FunctionHandler]: Unknown extern function register_mtd_blktrans [2022-12-14 15:43:47,325 WARN L623 FunctionHandler]: Unknown extern function deregister_mtd_blktrans [2022-12-14 15:43:47,593 WARN L623 FunctionHandler]: Unknown extern function ldv_after_alloc [2022-12-14 15:43:47,724 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 15:43:47,932 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28d23837-02f3-4a92-9ae3-7fb52e916186/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--sm_ftl.ko.cil.i[260078,260091] [2022-12-14 15:43:47,935 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28d23837-02f3-4a92-9ae3-7fb52e916186/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--sm_ftl.ko.cil.i[260223,260236] [2022-12-14 15:43:47,936 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28d23837-02f3-4a92-9ae3-7fb52e916186/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--sm_ftl.ko.cil.i[260369,260382] [2022-12-14 15:43:47,936 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28d23837-02f3-4a92-9ae3-7fb52e916186/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--sm_ftl.ko.cil.i[260534,260547] [2022-12-14 15:43:47,936 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28d23837-02f3-4a92-9ae3-7fb52e916186/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--sm_ftl.ko.cil.i[260692,260705] [2022-12-14 15:43:47,936 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28d23837-02f3-4a92-9ae3-7fb52e916186/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--sm_ftl.ko.cil.i[260850,260863] [2022-12-14 15:43:47,937 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28d23837-02f3-4a92-9ae3-7fb52e916186/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--sm_ftl.ko.cil.i[261008,261021] [2022-12-14 15:43:47,937 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28d23837-02f3-4a92-9ae3-7fb52e916186/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--sm_ftl.ko.cil.i[261168,261181] [2022-12-14 15:43:47,937 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28d23837-02f3-4a92-9ae3-7fb52e916186/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--sm_ftl.ko.cil.i[261327,261340] [2022-12-14 15:43:47,937 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28d23837-02f3-4a92-9ae3-7fb52e916186/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--sm_ftl.ko.cil.i[261466,261479] [2022-12-14 15:43:47,938 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28d23837-02f3-4a92-9ae3-7fb52e916186/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--sm_ftl.ko.cil.i[261608,261621] [2022-12-14 15:43:47,938 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28d23837-02f3-4a92-9ae3-7fb52e916186/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--sm_ftl.ko.cil.i[261757,261770] [2022-12-14 15:43:47,938 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28d23837-02f3-4a92-9ae3-7fb52e916186/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--sm_ftl.ko.cil.i[261896,261909] [2022-12-14 15:43:47,938 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28d23837-02f3-4a92-9ae3-7fb52e916186/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--sm_ftl.ko.cil.i[262051,262064] [2022-12-14 15:43:47,939 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28d23837-02f3-4a92-9ae3-7fb52e916186/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--sm_ftl.ko.cil.i[262211,262224] [2022-12-14 15:43:47,939 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28d23837-02f3-4a92-9ae3-7fb52e916186/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--sm_ftl.ko.cil.i[262362,262375] [2022-12-14 15:43:47,939 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28d23837-02f3-4a92-9ae3-7fb52e916186/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--sm_ftl.ko.cil.i[262513,262526] [2022-12-14 15:43:47,939 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28d23837-02f3-4a92-9ae3-7fb52e916186/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--sm_ftl.ko.cil.i[262665,262678] [2022-12-14 15:43:47,940 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28d23837-02f3-4a92-9ae3-7fb52e916186/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--sm_ftl.ko.cil.i[262814,262827] [2022-12-14 15:43:47,940 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28d23837-02f3-4a92-9ae3-7fb52e916186/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--sm_ftl.ko.cil.i[262962,262975] [2022-12-14 15:43:47,940 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28d23837-02f3-4a92-9ae3-7fb52e916186/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--sm_ftl.ko.cil.i[263119,263132] [2022-12-14 15:43:47,941 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28d23837-02f3-4a92-9ae3-7fb52e916186/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--sm_ftl.ko.cil.i[263268,263281] [2022-12-14 15:43:47,941 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28d23837-02f3-4a92-9ae3-7fb52e916186/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--sm_ftl.ko.cil.i[263424,263437] [2022-12-14 15:43:47,941 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28d23837-02f3-4a92-9ae3-7fb52e916186/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--sm_ftl.ko.cil.i[263577,263590] [2022-12-14 15:43:47,941 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28d23837-02f3-4a92-9ae3-7fb52e916186/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--sm_ftl.ko.cil.i[263723,263736] [2022-12-14 15:43:47,942 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28d23837-02f3-4a92-9ae3-7fb52e916186/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--sm_ftl.ko.cil.i[263866,263879] [2022-12-14 15:43:47,942 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28d23837-02f3-4a92-9ae3-7fb52e916186/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--sm_ftl.ko.cil.i[264018,264031] [2022-12-14 15:43:47,942 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28d23837-02f3-4a92-9ae3-7fb52e916186/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--sm_ftl.ko.cil.i[264164,264177] [2022-12-14 15:43:47,942 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28d23837-02f3-4a92-9ae3-7fb52e916186/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--sm_ftl.ko.cil.i[264309,264322] [2022-12-14 15:43:47,943 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28d23837-02f3-4a92-9ae3-7fb52e916186/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--sm_ftl.ko.cil.i[264463,264476] [2022-12-14 15:43:47,943 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28d23837-02f3-4a92-9ae3-7fb52e916186/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--sm_ftl.ko.cil.i[264614,264627] [2022-12-14 15:43:47,943 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28d23837-02f3-4a92-9ae3-7fb52e916186/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--sm_ftl.ko.cil.i[264769,264782] [2022-12-14 15:43:47,943 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28d23837-02f3-4a92-9ae3-7fb52e916186/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--sm_ftl.ko.cil.i[264921,264934] [2022-12-14 15:43:47,944 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28d23837-02f3-4a92-9ae3-7fb52e916186/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--sm_ftl.ko.cil.i[265076,265089] [2022-12-14 15:43:47,944 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28d23837-02f3-4a92-9ae3-7fb52e916186/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--sm_ftl.ko.cil.i[265240,265253] [2022-12-14 15:43:47,944 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28d23837-02f3-4a92-9ae3-7fb52e916186/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--sm_ftl.ko.cil.i[265396,265409] [2022-12-14 15:43:47,944 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28d23837-02f3-4a92-9ae3-7fb52e916186/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--sm_ftl.ko.cil.i[265560,265573] [2022-12-14 15:43:47,945 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28d23837-02f3-4a92-9ae3-7fb52e916186/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--sm_ftl.ko.cil.i[265702,265715] [2022-12-14 15:43:47,945 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28d23837-02f3-4a92-9ae3-7fb52e916186/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--sm_ftl.ko.cil.i[265860,265873] [2022-12-14 15:43:47,945 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28d23837-02f3-4a92-9ae3-7fb52e916186/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--sm_ftl.ko.cil.i[266027,266040] [2022-12-14 15:43:47,945 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28d23837-02f3-4a92-9ae3-7fb52e916186/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--sm_ftl.ko.cil.i[266186,266199] [2022-12-14 15:43:47,946 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28d23837-02f3-4a92-9ae3-7fb52e916186/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--sm_ftl.ko.cil.i[266345,266358] [2022-12-14 15:43:47,946 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28d23837-02f3-4a92-9ae3-7fb52e916186/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--sm_ftl.ko.cil.i[266494,266507] [2022-12-14 15:43:47,946 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28d23837-02f3-4a92-9ae3-7fb52e916186/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--sm_ftl.ko.cil.i[266641,266654] [2022-12-14 15:43:47,946 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28d23837-02f3-4a92-9ae3-7fb52e916186/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--sm_ftl.ko.cil.i[266780,266793] [2022-12-14 15:43:47,947 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28d23837-02f3-4a92-9ae3-7fb52e916186/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--sm_ftl.ko.cil.i[266943,266956] [2022-12-14 15:43:47,947 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28d23837-02f3-4a92-9ae3-7fb52e916186/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--sm_ftl.ko.cil.i[267109,267122] [2022-12-14 15:43:47,947 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28d23837-02f3-4a92-9ae3-7fb52e916186/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--sm_ftl.ko.cil.i[267273,267286] [2022-12-14 15:43:47,947 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28d23837-02f3-4a92-9ae3-7fb52e916186/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--sm_ftl.ko.cil.i[267438,267451] [2022-12-14 15:43:47,948 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28d23837-02f3-4a92-9ae3-7fb52e916186/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--sm_ftl.ko.cil.i[267603,267616] [2022-12-14 15:43:47,948 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28d23837-02f3-4a92-9ae3-7fb52e916186/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--sm_ftl.ko.cil.i[267769,267782] [2022-12-14 15:43:47,948 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28d23837-02f3-4a92-9ae3-7fb52e916186/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--sm_ftl.ko.cil.i[267934,267947] [2022-12-14 15:43:47,949 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28d23837-02f3-4a92-9ae3-7fb52e916186/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--sm_ftl.ko.cil.i[268101,268114] [2022-12-14 15:43:47,949 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28d23837-02f3-4a92-9ae3-7fb52e916186/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--sm_ftl.ko.cil.i[268261,268274] [2022-12-14 15:43:47,949 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28d23837-02f3-4a92-9ae3-7fb52e916186/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--sm_ftl.ko.cil.i[268423,268436] [2022-12-14 15:43:47,949 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28d23837-02f3-4a92-9ae3-7fb52e916186/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--sm_ftl.ko.cil.i[268582,268595] [2022-12-14 15:43:47,949 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28d23837-02f3-4a92-9ae3-7fb52e916186/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--sm_ftl.ko.cil.i[268728,268741] [2022-12-14 15:43:47,950 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28d23837-02f3-4a92-9ae3-7fb52e916186/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--sm_ftl.ko.cil.i[268871,268884] [2022-12-14 15:43:47,950 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28d23837-02f3-4a92-9ae3-7fb52e916186/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--sm_ftl.ko.cil.i[269015,269028] [2022-12-14 15:43:47,950 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28d23837-02f3-4a92-9ae3-7fb52e916186/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--sm_ftl.ko.cil.i[269158,269171] [2022-12-14 15:43:47,950 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28d23837-02f3-4a92-9ae3-7fb52e916186/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--sm_ftl.ko.cil.i[269302,269315] [2022-12-14 15:43:47,951 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28d23837-02f3-4a92-9ae3-7fb52e916186/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--sm_ftl.ko.cil.i[269443,269456] [2022-12-14 15:43:47,951 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28d23837-02f3-4a92-9ae3-7fb52e916186/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--sm_ftl.ko.cil.i[269581,269594] [2022-12-14 15:43:47,951 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28d23837-02f3-4a92-9ae3-7fb52e916186/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--sm_ftl.ko.cil.i[269739,269752] [2022-12-14 15:43:47,951 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28d23837-02f3-4a92-9ae3-7fb52e916186/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--sm_ftl.ko.cil.i[269898,269911] [2022-12-14 15:43:47,952 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28d23837-02f3-4a92-9ae3-7fb52e916186/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--sm_ftl.ko.cil.i[270054,270067] [2022-12-14 15:43:47,952 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28d23837-02f3-4a92-9ae3-7fb52e916186/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--sm_ftl.ko.cil.i[270203,270216] [2022-12-14 15:43:47,952 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28d23837-02f3-4a92-9ae3-7fb52e916186/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--sm_ftl.ko.cil.i[270355,270368] [2022-12-14 15:43:47,952 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28d23837-02f3-4a92-9ae3-7fb52e916186/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--sm_ftl.ko.cil.i[270506,270519] [2022-12-14 15:43:47,953 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28d23837-02f3-4a92-9ae3-7fb52e916186/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--sm_ftl.ko.cil.i[270655,270668] [2022-12-14 15:43:47,953 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28d23837-02f3-4a92-9ae3-7fb52e916186/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--sm_ftl.ko.cil.i[270807,270820] [2022-12-14 15:43:47,953 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28d23837-02f3-4a92-9ae3-7fb52e916186/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--sm_ftl.ko.cil.i[270955,270968] [2022-12-14 15:43:47,953 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28d23837-02f3-4a92-9ae3-7fb52e916186/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--sm_ftl.ko.cil.i[271108,271121] [2022-12-14 15:43:47,953 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28d23837-02f3-4a92-9ae3-7fb52e916186/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--sm_ftl.ko.cil.i[271259,271272] [2022-12-14 15:43:47,954 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28d23837-02f3-4a92-9ae3-7fb52e916186/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--sm_ftl.ko.cil.i[271409,271422] [2022-12-14 15:43:47,954 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28d23837-02f3-4a92-9ae3-7fb52e916186/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--sm_ftl.ko.cil.i[271556,271569] [2022-12-14 15:43:47,954 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28d23837-02f3-4a92-9ae3-7fb52e916186/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--sm_ftl.ko.cil.i[271707,271720] [2022-12-14 15:43:47,955 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28d23837-02f3-4a92-9ae3-7fb52e916186/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--sm_ftl.ko.cil.i[271858,271871] [2022-12-14 15:43:47,955 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28d23837-02f3-4a92-9ae3-7fb52e916186/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--sm_ftl.ko.cil.i[272006,272019] [2022-12-14 15:43:47,955 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28d23837-02f3-4a92-9ae3-7fb52e916186/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--sm_ftl.ko.cil.i[272172,272185] [2022-12-14 15:43:47,955 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28d23837-02f3-4a92-9ae3-7fb52e916186/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--sm_ftl.ko.cil.i[272341,272354] [2022-12-14 15:43:47,955 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28d23837-02f3-4a92-9ae3-7fb52e916186/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--sm_ftl.ko.cil.i[272508,272521] [2022-12-14 15:43:47,956 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28d23837-02f3-4a92-9ae3-7fb52e916186/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--sm_ftl.ko.cil.i[272676,272689] [2022-12-14 15:43:47,956 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28d23837-02f3-4a92-9ae3-7fb52e916186/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--sm_ftl.ko.cil.i[272826,272839] [2022-12-14 15:43:47,956 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28d23837-02f3-4a92-9ae3-7fb52e916186/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--sm_ftl.ko.cil.i[272973,272986] [2022-12-14 15:43:47,956 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28d23837-02f3-4a92-9ae3-7fb52e916186/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--sm_ftl.ko.cil.i[273134,273147] [2022-12-14 15:43:47,957 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28d23837-02f3-4a92-9ae3-7fb52e916186/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--sm_ftl.ko.cil.i[273304,273317] [2022-12-14 15:43:47,957 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28d23837-02f3-4a92-9ae3-7fb52e916186/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--sm_ftl.ko.cil.i[273466,273479] [2022-12-14 15:43:47,964 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 15:43:47,976 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 15:43:48,047 WARN L623 FunctionHandler]: Unknown extern function queue_work_on [2022-12-14 15:43:48,051 WARN L623 FunctionHandler]: Unknown extern function memcmp [2022-12-14 15:43:48,052 WARN L623 FunctionHandler]: Unknown extern function strncpy [2022-12-14 15:43:48,053 WARN L623 FunctionHandler]: Unknown extern function kstrndup [2022-12-14 15:43:48,055 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 15:43:48,055 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 15:43:48,056 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 15:43:48,056 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 15:43:48,057 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 15:43:48,057 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 15:43:48,057 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 15:43:48,058 WARN L623 FunctionHandler]: Unknown extern function memcmp [2022-12-14 15:43:48,060 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-12-14 15:43:48,061 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-12-14 15:43:48,062 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-12-14 15:43:48,062 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-12-14 15:43:48,063 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-12-14 15:43:48,064 WARN L623 FunctionHandler]: Unknown extern function __nand_calculate_ecc [2022-12-14 15:43:48,064 WARN L623 FunctionHandler]: Unknown extern function __nand_correct_data [2022-12-14 15:43:48,065 WARN L623 FunctionHandler]: Unknown extern function __nand_calculate_ecc [2022-12-14 15:43:48,065 WARN L623 FunctionHandler]: Unknown extern function __nand_correct_data [2022-12-14 15:43:48,067 WARN L623 FunctionHandler]: Unknown extern function mtd_read_oob [2022-12-14 15:43:48,067 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 15:43:48,068 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-12-14 15:43:48,068 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-12-14 15:43:48,069 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 15:43:48,069 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 15:43:48,071 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 15:43:48,072 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 15:43:48,072 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-12-14 15:43:48,073 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-12-14 15:43:48,074 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 15:43:48,074 WARN L623 FunctionHandler]: Unknown extern function __nand_calculate_ecc [2022-12-14 15:43:48,075 WARN L623 FunctionHandler]: Unknown extern function __nand_calculate_ecc [2022-12-14 15:43:48,076 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 15:43:48,079 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 15:43:48,079 WARN L623 FunctionHandler]: Unknown extern function mtd_erase [2022-12-14 15:43:48,080 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 15:43:48,080 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 15:43:48,081 WARN L623 FunctionHandler]: Unknown extern function __kfifo_in [2022-12-14 15:43:48,081 WARN L623 FunctionHandler]: Unknown extern function complete [2022-12-14 15:43:48,085 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 15:43:48,087 WARN L623 FunctionHandler]: Unknown extern function memcmp [2022-12-14 15:43:48,089 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 15:43:48,089 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 15:43:48,090 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 15:43:48,091 WARN L623 FunctionHandler]: Unknown extern function __kfifo_alloc [2022-12-14 15:43:48,092 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 15:43:48,092 WARN L623 FunctionHandler]: Unknown extern function __kfifo_in [2022-12-14 15:43:48,093 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 15:43:48,093 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 15:43:48,094 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 15:43:48,094 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 15:43:48,095 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 15:43:48,095 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 15:43:48,096 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 15:43:48,096 WARN L623 FunctionHandler]: Unknown extern function get_random_bytes [2022-12-14 15:43:48,097 WARN L623 FunctionHandler]: Unknown extern function __kfifo_out [2022-12-14 15:43:48,097 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-12-14 15:43:48,098 WARN L623 FunctionHandler]: Unknown extern function __kfifo_in [2022-12-14 15:43:48,102 WARN L623 FunctionHandler]: Unknown extern function __kfifo_out [2022-12-14 15:43:48,102 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 15:43:48,106 WARN L623 FunctionHandler]: Unknown extern function msecs_to_jiffies [2022-12-14 15:43:48,107 WARN L623 FunctionHandler]: Unknown extern function cancel_work_sync [2022-12-14 15:43:48,108 WARN L623 FunctionHandler]: Unknown extern function __mutex_init [2022-12-14 15:43:48,108 WARN L623 FunctionHandler]: Unknown extern function init_timer_key [2022-12-14 15:43:48,109 WARN L623 FunctionHandler]: Unknown extern function __init_work [2022-12-14 15:43:48,109 WARN L623 FunctionHandler]: Unknown extern function lockdep_init_map [2022-12-14 15:43:48,110 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 15:43:48,112 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 15:43:48,113 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 15:43:48,113 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 15:43:48,113 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 15:43:48,114 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 15:43:48,114 WARN L623 FunctionHandler]: Unknown extern function add_mtd_blktrans_dev [2022-12-14 15:43:48,114 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 15:43:48,114 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 15:43:48,114 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 15:43:48,115 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 15:43:48,115 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 15:43:48,115 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 15:43:48,115 WARN L623 FunctionHandler]: Unknown extern function del_mtd_blktrans_dev [2022-12-14 15:43:48,116 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 15:43:48,116 WARN L623 FunctionHandler]: Unknown extern function __kfifo_free [2022-12-14 15:43:48,117 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 15:43:48,117 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 15:43:48,117 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 15:43:48,117 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 15:43:48,118 WARN L623 FunctionHandler]: Unknown extern function __alloc_workqueue_key [2022-12-14 15:43:48,119 WARN L623 FunctionHandler]: Unknown extern function destroy_workqueue [2022-12-14 15:43:48,119 WARN L623 FunctionHandler]: Unknown extern function destroy_workqueue [2022-12-14 15:43:48,124 WARN L623 FunctionHandler]: Unknown extern function ldv_after_alloc [2022-12-14 15:43:48,125 WARN L623 FunctionHandler]: Unknown extern function wait_for_completion [2022-12-14 15:43:48,125 WARN L623 FunctionHandler]: Unknown extern function del_timer [2022-12-14 15:43:48,126 WARN L623 FunctionHandler]: Unknown extern function mod_timer [2022-12-14 15:43:48,126 WARN L623 FunctionHandler]: Unknown extern function del_timer_sync [2022-12-14 15:43:48,127 WARN L623 FunctionHandler]: Unknown extern function register_mtd_blktrans [2022-12-14 15:43:48,127 WARN L623 FunctionHandler]: Unknown extern function deregister_mtd_blktrans [2022-12-14 15:43:48,148 WARN L623 FunctionHandler]: Unknown extern function ldv_after_alloc [2022-12-14 15:43:48,156 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 15:43:48,172 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28d23837-02f3-4a92-9ae3-7fb52e916186/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--sm_ftl.ko.cil.i[260078,260091] [2022-12-14 15:43:48,173 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28d23837-02f3-4a92-9ae3-7fb52e916186/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--sm_ftl.ko.cil.i[260223,260236] [2022-12-14 15:43:48,173 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28d23837-02f3-4a92-9ae3-7fb52e916186/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--sm_ftl.ko.cil.i[260369,260382] [2022-12-14 15:43:48,173 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28d23837-02f3-4a92-9ae3-7fb52e916186/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--sm_ftl.ko.cil.i[260534,260547] [2022-12-14 15:43:48,174 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28d23837-02f3-4a92-9ae3-7fb52e916186/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--sm_ftl.ko.cil.i[260692,260705] [2022-12-14 15:43:48,174 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28d23837-02f3-4a92-9ae3-7fb52e916186/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--sm_ftl.ko.cil.i[260850,260863] [2022-12-14 15:43:48,174 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28d23837-02f3-4a92-9ae3-7fb52e916186/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--sm_ftl.ko.cil.i[261008,261021] [2022-12-14 15:43:48,175 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28d23837-02f3-4a92-9ae3-7fb52e916186/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--sm_ftl.ko.cil.i[261168,261181] [2022-12-14 15:43:48,175 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28d23837-02f3-4a92-9ae3-7fb52e916186/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--sm_ftl.ko.cil.i[261327,261340] [2022-12-14 15:43:48,175 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28d23837-02f3-4a92-9ae3-7fb52e916186/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--sm_ftl.ko.cil.i[261466,261479] [2022-12-14 15:43:48,175 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28d23837-02f3-4a92-9ae3-7fb52e916186/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--sm_ftl.ko.cil.i[261608,261621] [2022-12-14 15:43:48,176 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28d23837-02f3-4a92-9ae3-7fb52e916186/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--sm_ftl.ko.cil.i[261757,261770] [2022-12-14 15:43:48,176 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28d23837-02f3-4a92-9ae3-7fb52e916186/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--sm_ftl.ko.cil.i[261896,261909] [2022-12-14 15:43:48,176 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28d23837-02f3-4a92-9ae3-7fb52e916186/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--sm_ftl.ko.cil.i[262051,262064] [2022-12-14 15:43:48,177 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28d23837-02f3-4a92-9ae3-7fb52e916186/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--sm_ftl.ko.cil.i[262211,262224] [2022-12-14 15:43:48,177 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28d23837-02f3-4a92-9ae3-7fb52e916186/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--sm_ftl.ko.cil.i[262362,262375] [2022-12-14 15:43:48,177 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28d23837-02f3-4a92-9ae3-7fb52e916186/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--sm_ftl.ko.cil.i[262513,262526] [2022-12-14 15:43:48,177 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28d23837-02f3-4a92-9ae3-7fb52e916186/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--sm_ftl.ko.cil.i[262665,262678] [2022-12-14 15:43:48,178 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28d23837-02f3-4a92-9ae3-7fb52e916186/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--sm_ftl.ko.cil.i[262814,262827] [2022-12-14 15:43:48,178 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28d23837-02f3-4a92-9ae3-7fb52e916186/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--sm_ftl.ko.cil.i[262962,262975] [2022-12-14 15:43:48,178 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28d23837-02f3-4a92-9ae3-7fb52e916186/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--sm_ftl.ko.cil.i[263119,263132] [2022-12-14 15:43:48,178 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28d23837-02f3-4a92-9ae3-7fb52e916186/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--sm_ftl.ko.cil.i[263268,263281] [2022-12-14 15:43:48,179 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28d23837-02f3-4a92-9ae3-7fb52e916186/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--sm_ftl.ko.cil.i[263424,263437] [2022-12-14 15:43:48,179 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28d23837-02f3-4a92-9ae3-7fb52e916186/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--sm_ftl.ko.cil.i[263577,263590] [2022-12-14 15:43:48,179 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28d23837-02f3-4a92-9ae3-7fb52e916186/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--sm_ftl.ko.cil.i[263723,263736] [2022-12-14 15:43:48,180 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28d23837-02f3-4a92-9ae3-7fb52e916186/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--sm_ftl.ko.cil.i[263866,263879] [2022-12-14 15:43:48,180 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28d23837-02f3-4a92-9ae3-7fb52e916186/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--sm_ftl.ko.cil.i[264018,264031] [2022-12-14 15:43:48,180 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28d23837-02f3-4a92-9ae3-7fb52e916186/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--sm_ftl.ko.cil.i[264164,264177] [2022-12-14 15:43:48,180 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28d23837-02f3-4a92-9ae3-7fb52e916186/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--sm_ftl.ko.cil.i[264309,264322] [2022-12-14 15:43:48,181 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28d23837-02f3-4a92-9ae3-7fb52e916186/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--sm_ftl.ko.cil.i[264463,264476] [2022-12-14 15:43:48,181 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28d23837-02f3-4a92-9ae3-7fb52e916186/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--sm_ftl.ko.cil.i[264614,264627] [2022-12-14 15:43:48,181 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28d23837-02f3-4a92-9ae3-7fb52e916186/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--sm_ftl.ko.cil.i[264769,264782] [2022-12-14 15:43:48,181 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28d23837-02f3-4a92-9ae3-7fb52e916186/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--sm_ftl.ko.cil.i[264921,264934] [2022-12-14 15:43:48,182 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28d23837-02f3-4a92-9ae3-7fb52e916186/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--sm_ftl.ko.cil.i[265076,265089] [2022-12-14 15:43:48,182 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28d23837-02f3-4a92-9ae3-7fb52e916186/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--sm_ftl.ko.cil.i[265240,265253] [2022-12-14 15:43:48,182 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28d23837-02f3-4a92-9ae3-7fb52e916186/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--sm_ftl.ko.cil.i[265396,265409] [2022-12-14 15:43:48,183 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28d23837-02f3-4a92-9ae3-7fb52e916186/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--sm_ftl.ko.cil.i[265560,265573] [2022-12-14 15:43:48,183 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28d23837-02f3-4a92-9ae3-7fb52e916186/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--sm_ftl.ko.cil.i[265702,265715] [2022-12-14 15:43:48,183 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28d23837-02f3-4a92-9ae3-7fb52e916186/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--sm_ftl.ko.cil.i[265860,265873] [2022-12-14 15:43:48,183 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28d23837-02f3-4a92-9ae3-7fb52e916186/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--sm_ftl.ko.cil.i[266027,266040] [2022-12-14 15:43:48,184 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28d23837-02f3-4a92-9ae3-7fb52e916186/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--sm_ftl.ko.cil.i[266186,266199] [2022-12-14 15:43:48,184 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28d23837-02f3-4a92-9ae3-7fb52e916186/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--sm_ftl.ko.cil.i[266345,266358] [2022-12-14 15:43:48,184 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28d23837-02f3-4a92-9ae3-7fb52e916186/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--sm_ftl.ko.cil.i[266494,266507] [2022-12-14 15:43:48,185 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28d23837-02f3-4a92-9ae3-7fb52e916186/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--sm_ftl.ko.cil.i[266641,266654] [2022-12-14 15:43:48,185 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28d23837-02f3-4a92-9ae3-7fb52e916186/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--sm_ftl.ko.cil.i[266780,266793] [2022-12-14 15:43:48,185 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28d23837-02f3-4a92-9ae3-7fb52e916186/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--sm_ftl.ko.cil.i[266943,266956] [2022-12-14 15:43:48,185 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28d23837-02f3-4a92-9ae3-7fb52e916186/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--sm_ftl.ko.cil.i[267109,267122] [2022-12-14 15:43:48,186 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28d23837-02f3-4a92-9ae3-7fb52e916186/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--sm_ftl.ko.cil.i[267273,267286] [2022-12-14 15:43:48,186 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28d23837-02f3-4a92-9ae3-7fb52e916186/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--sm_ftl.ko.cil.i[267438,267451] [2022-12-14 15:43:48,186 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28d23837-02f3-4a92-9ae3-7fb52e916186/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--sm_ftl.ko.cil.i[267603,267616] [2022-12-14 15:43:48,186 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28d23837-02f3-4a92-9ae3-7fb52e916186/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--sm_ftl.ko.cil.i[267769,267782] [2022-12-14 15:43:48,187 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28d23837-02f3-4a92-9ae3-7fb52e916186/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--sm_ftl.ko.cil.i[267934,267947] [2022-12-14 15:43:48,187 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28d23837-02f3-4a92-9ae3-7fb52e916186/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--sm_ftl.ko.cil.i[268101,268114] [2022-12-14 15:43:48,187 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28d23837-02f3-4a92-9ae3-7fb52e916186/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--sm_ftl.ko.cil.i[268261,268274] [2022-12-14 15:43:48,188 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28d23837-02f3-4a92-9ae3-7fb52e916186/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--sm_ftl.ko.cil.i[268423,268436] [2022-12-14 15:43:48,188 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28d23837-02f3-4a92-9ae3-7fb52e916186/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--sm_ftl.ko.cil.i[268582,268595] [2022-12-14 15:43:48,188 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28d23837-02f3-4a92-9ae3-7fb52e916186/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--sm_ftl.ko.cil.i[268728,268741] [2022-12-14 15:43:48,188 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28d23837-02f3-4a92-9ae3-7fb52e916186/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--sm_ftl.ko.cil.i[268871,268884] [2022-12-14 15:43:48,189 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28d23837-02f3-4a92-9ae3-7fb52e916186/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--sm_ftl.ko.cil.i[269015,269028] [2022-12-14 15:43:48,189 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28d23837-02f3-4a92-9ae3-7fb52e916186/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--sm_ftl.ko.cil.i[269158,269171] [2022-12-14 15:43:48,189 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28d23837-02f3-4a92-9ae3-7fb52e916186/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--sm_ftl.ko.cil.i[269302,269315] [2022-12-14 15:43:48,190 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28d23837-02f3-4a92-9ae3-7fb52e916186/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--sm_ftl.ko.cil.i[269443,269456] [2022-12-14 15:43:48,190 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28d23837-02f3-4a92-9ae3-7fb52e916186/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--sm_ftl.ko.cil.i[269581,269594] [2022-12-14 15:43:48,190 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28d23837-02f3-4a92-9ae3-7fb52e916186/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--sm_ftl.ko.cil.i[269739,269752] [2022-12-14 15:43:48,190 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28d23837-02f3-4a92-9ae3-7fb52e916186/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--sm_ftl.ko.cil.i[269898,269911] [2022-12-14 15:43:48,191 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28d23837-02f3-4a92-9ae3-7fb52e916186/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--sm_ftl.ko.cil.i[270054,270067] [2022-12-14 15:43:48,191 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28d23837-02f3-4a92-9ae3-7fb52e916186/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--sm_ftl.ko.cil.i[270203,270216] [2022-12-14 15:43:48,191 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28d23837-02f3-4a92-9ae3-7fb52e916186/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--sm_ftl.ko.cil.i[270355,270368] [2022-12-14 15:43:48,191 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28d23837-02f3-4a92-9ae3-7fb52e916186/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--sm_ftl.ko.cil.i[270506,270519] [2022-12-14 15:43:48,192 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28d23837-02f3-4a92-9ae3-7fb52e916186/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--sm_ftl.ko.cil.i[270655,270668] [2022-12-14 15:43:48,192 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28d23837-02f3-4a92-9ae3-7fb52e916186/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--sm_ftl.ko.cil.i[270807,270820] [2022-12-14 15:43:48,192 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28d23837-02f3-4a92-9ae3-7fb52e916186/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--sm_ftl.ko.cil.i[270955,270968] [2022-12-14 15:43:48,193 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28d23837-02f3-4a92-9ae3-7fb52e916186/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--sm_ftl.ko.cil.i[271108,271121] [2022-12-14 15:43:48,193 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28d23837-02f3-4a92-9ae3-7fb52e916186/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--sm_ftl.ko.cil.i[271259,271272] [2022-12-14 15:43:48,193 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28d23837-02f3-4a92-9ae3-7fb52e916186/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--sm_ftl.ko.cil.i[271409,271422] [2022-12-14 15:43:48,193 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28d23837-02f3-4a92-9ae3-7fb52e916186/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--sm_ftl.ko.cil.i[271556,271569] [2022-12-14 15:43:48,194 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28d23837-02f3-4a92-9ae3-7fb52e916186/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--sm_ftl.ko.cil.i[271707,271720] [2022-12-14 15:43:48,194 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28d23837-02f3-4a92-9ae3-7fb52e916186/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--sm_ftl.ko.cil.i[271858,271871] [2022-12-14 15:43:48,194 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28d23837-02f3-4a92-9ae3-7fb52e916186/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--sm_ftl.ko.cil.i[272006,272019] [2022-12-14 15:43:48,194 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28d23837-02f3-4a92-9ae3-7fb52e916186/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--sm_ftl.ko.cil.i[272172,272185] [2022-12-14 15:43:48,195 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28d23837-02f3-4a92-9ae3-7fb52e916186/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--sm_ftl.ko.cil.i[272341,272354] [2022-12-14 15:43:48,195 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28d23837-02f3-4a92-9ae3-7fb52e916186/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--sm_ftl.ko.cil.i[272508,272521] [2022-12-14 15:43:48,195 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28d23837-02f3-4a92-9ae3-7fb52e916186/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--sm_ftl.ko.cil.i[272676,272689] [2022-12-14 15:43:48,196 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28d23837-02f3-4a92-9ae3-7fb52e916186/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--sm_ftl.ko.cil.i[272826,272839] [2022-12-14 15:43:48,196 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28d23837-02f3-4a92-9ae3-7fb52e916186/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--sm_ftl.ko.cil.i[272973,272986] [2022-12-14 15:43:48,196 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28d23837-02f3-4a92-9ae3-7fb52e916186/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--sm_ftl.ko.cil.i[273134,273147] [2022-12-14 15:43:48,196 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28d23837-02f3-4a92-9ae3-7fb52e916186/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--sm_ftl.ko.cil.i[273304,273317] [2022-12-14 15:43:48,197 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28d23837-02f3-4a92-9ae3-7fb52e916186/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--sm_ftl.ko.cil.i[273466,273479] [2022-12-14 15:43:48,199 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 15:43:48,287 INFO L208 MainTranslator]: Completed translation [2022-12-14 15:43:48,287 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:43:48 WrapperNode [2022-12-14 15:43:48,287 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 15:43:48,288 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 15:43:48,288 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 15:43:48,288 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 15:43:48,293 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:43:48" (1/1) ... [2022-12-14 15:43:48,339 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:43:48" (1/1) ... [2022-12-14 15:43:48,413 INFO L138 Inliner]: procedures = 498, calls = 1426, calls flagged for inlining = 214, calls inlined = 135, statements flattened = 3214 [2022-12-14 15:43:48,413 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 15:43:48,413 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 15:43:48,413 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 15:43:48,414 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 15:43:48,421 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:43:48" (1/1) ... [2022-12-14 15:43:48,422 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:43:48" (1/1) ... [2022-12-14 15:43:48,435 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:43:48" (1/1) ... [2022-12-14 15:43:48,436 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:43:48" (1/1) ... [2022-12-14 15:43:48,480 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:43:48" (1/1) ... [2022-12-14 15:43:48,488 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:43:48" (1/1) ... [2022-12-14 15:43:48,496 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:43:48" (1/1) ... [2022-12-14 15:43:48,504 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:43:48" (1/1) ... [2022-12-14 15:43:48,518 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 15:43:48,519 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 15:43:48,519 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 15:43:48,519 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 15:43:48,520 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:43:48" (1/1) ... [2022-12-14 15:43:48,525 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 15:43:48,532 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28d23837-02f3-4a92-9ae3-7fb52e916186/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 15:43:48,544 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28d23837-02f3-4a92-9ae3-7fb52e916186/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-14 15:43:48,546 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28d23837-02f3-4a92-9ae3-7fb52e916186/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-14 15:43:48,579 INFO L130 BoogieDeclarations]: Found specification of procedure sm_mark_block_bad [2022-12-14 15:43:48,580 INFO L138 BoogieDeclarations]: Found implementation of procedure sm_mark_block_bad [2022-12-14 15:43:48,580 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_coherent_check_final_state [2022-12-14 15:43:48,580 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_coherent_check_final_state [2022-12-14 15:43:48,580 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-12-14 15:43:48,580 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-12-14 15:43:48,580 INFO L130 BoogieDeclarations]: Found specification of procedure variable_test_bit [2022-12-14 15:43:48,581 INFO L138 BoogieDeclarations]: Found implementation of procedure variable_test_bit [2022-12-14 15:43:48,581 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_mutex_mutex_unlock_mutex_of_sm_ftl [2022-12-14 15:43:48,581 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_mutex_mutex_unlock_mutex_of_sm_ftl [2022-12-14 15:43:48,581 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-12-14 15:43:48,581 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-12-14 15:43:48,581 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_mmc_sdio_func_check_final_state [2022-12-14 15:43:48,581 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_mmc_sdio_func_check_final_state [2022-12-14 15:43:48,581 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2022-12-14 15:43:48,594 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2022-12-14 15:43:48,595 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_arch_io_check_final_state [2022-12-14 15:43:48,595 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_arch_io_check_final_state [2022-12-14 15:43:48,595 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_module_check_final_state [2022-12-14 15:43:48,595 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_module_check_final_state [2022-12-14 15:43:48,595 INFO L130 BoogieDeclarations]: Found specification of procedure sm_read_lba [2022-12-14 15:43:48,595 INFO L138 BoogieDeclarations]: Found implementation of procedure sm_read_lba [2022-12-14 15:43:48,595 INFO L130 BoogieDeclarations]: Found specification of procedure sm_check_block [2022-12-14 15:43:48,595 INFO L138 BoogieDeclarations]: Found implementation of procedure sm_check_block [2022-12-14 15:43:48,595 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2022-12-14 15:43:48,595 INFO L130 BoogieDeclarations]: Found specification of procedure sm_release [2022-12-14 15:43:48,595 INFO L138 BoogieDeclarations]: Found implementation of procedure sm_release [2022-12-14 15:43:48,595 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-12-14 15:43:48,595 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-12-14 15:43:48,596 INFO L130 BoogieDeclarations]: Found specification of procedure sm_cache_init [2022-12-14 15:43:48,596 INFO L138 BoogieDeclarations]: Found implementation of procedure sm_cache_init [2022-12-14 15:43:48,596 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-12-14 15:43:48,596 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-12-14 15:43:48,596 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_queue_check_final_state [2022-12-14 15:43:48,598 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_queue_check_final_state [2022-12-14 15:43:48,598 INFO L130 BoogieDeclarations]: Found specification of procedure sm_read_sector [2022-12-14 15:43:48,598 INFO L138 BoogieDeclarations]: Found implementation of procedure sm_read_sector [2022-12-14 15:43:48,598 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-14 15:43:48,598 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_request_check_final_state [2022-12-14 15:43:48,598 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_request_check_final_state [2022-12-14 15:43:48,598 INFO L130 BoogieDeclarations]: Found specification of procedure sm_write_sector [2022-12-14 15:43:48,599 INFO L138 BoogieDeclarations]: Found implementation of procedure sm_write_sector [2022-12-14 15:43:48,599 INFO L130 BoogieDeclarations]: Found specification of procedure __nand_calculate_ecc [2022-12-14 15:43:48,599 INFO L138 BoogieDeclarations]: Found implementation of procedure __nand_calculate_ecc [2022-12-14 15:43:48,599 INFO L130 BoogieDeclarations]: Found specification of procedure __kfifo_uint_must_check_helper [2022-12-14 15:43:48,599 INFO L138 BoogieDeclarations]: Found implementation of procedure __kfifo_uint_must_check_helper [2022-12-14 15:43:48,599 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-12-14 15:43:48,599 INFO L130 BoogieDeclarations]: Found specification of procedure sm_remove_dev [2022-12-14 15:43:48,599 INFO L138 BoogieDeclarations]: Found implementation of procedure sm_remove_dev [2022-12-14 15:43:48,599 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-12-14 15:43:48,599 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_in_interrupt_context [2022-12-14 15:43:48,599 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_in_interrupt_context [2022-12-14 15:43:48,599 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-12-14 15:43:48,599 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-12-14 15:43:48,599 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_mutex_mutex_lock_mutex_of_sm_ftl [2022-12-14 15:43:48,600 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_mutex_mutex_lock_mutex_of_sm_ftl [2022-12-14 15:43:48,600 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_bh_check_final_state [2022-12-14 15:43:48,600 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_bh_check_final_state [2022-12-14 15:43:48,600 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-14 15:43:48,600 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_genhd_check_final_state [2022-12-14 15:43:48,600 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_genhd_check_final_state [2022-12-14 15:43:48,600 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_after_alloc [2022-12-14 15:43:48,600 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_after_alloc [2022-12-14 15:43:48,600 INFO L130 BoogieDeclarations]: Found specification of procedure sm_recheck_media [2022-12-14 15:43:48,600 INFO L138 BoogieDeclarations]: Found implementation of procedure sm_recheck_media [2022-12-14 15:43:48,600 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-12-14 15:43:48,600 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-12-14 15:43:48,600 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_register_reset_error_counter [2022-12-14 15:43:48,600 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_register_reset_error_counter [2022-12-14 15:43:48,601 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2022-12-14 15:43:48,601 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2022-12-14 15:43:48,601 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_lib_idr_check_final_state [2022-12-14 15:43:48,601 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_lib_idr_check_final_state [2022-12-14 15:43:48,601 INFO L130 BoogieDeclarations]: Found specification of procedure sm_cache_put [2022-12-14 15:43:48,601 INFO L138 BoogieDeclarations]: Found implementation of procedure sm_cache_put [2022-12-14 15:43:48,601 INFO L130 BoogieDeclarations]: Found specification of procedure sm_read_cis [2022-12-14 15:43:48,601 INFO L138 BoogieDeclarations]: Found implementation of procedure sm_read_cis [2022-12-14 15:43:48,601 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_srcu_check_final_state [2022-12-14 15:43:48,601 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_srcu_check_final_state [2022-12-14 15:43:48,601 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-12-14 15:43:48,601 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 15:43:48,601 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-12-14 15:43:48,601 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-12-14 15:43:48,602 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-12-14 15:43:48,602 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-12-14 15:43:48,602 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-12-14 15:43:48,602 INFO L130 BoogieDeclarations]: Found specification of procedure __kfifo_out [2022-12-14 15:43:48,602 INFO L138 BoogieDeclarations]: Found implementation of procedure __kfifo_out [2022-12-14 15:43:48,602 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_register_reset_error_counter [2022-12-14 15:43:48,602 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_register_reset_error_counter [2022-12-14 15:43:48,602 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2022-12-14 15:43:48,602 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2022-12-14 15:43:48,602 INFO L130 BoogieDeclarations]: Found specification of procedure sm_cache_flush [2022-12-14 15:43:48,602 INFO L138 BoogieDeclarations]: Found implementation of procedure sm_cache_flush [2022-12-14 15:43:48,602 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 15:43:48,602 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 15:43:48,602 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2022-12-14 15:43:48,603 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2022-12-14 15:43:48,603 INFO L130 BoogieDeclarations]: Found specification of procedure sm_get_zone [2022-12-14 15:43:48,603 INFO L138 BoogieDeclarations]: Found implementation of procedure sm_get_zone [2022-12-14 15:43:48,603 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-12-14 15:43:48,603 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-12-14 15:43:48,603 INFO L130 BoogieDeclarations]: Found specification of procedure __arch_hweight16 [2022-12-14 15:43:48,603 INFO L138 BoogieDeclarations]: Found implementation of procedure __arch_hweight16 [2022-12-14 15:43:48,603 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-12-14 15:43:48,603 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-12-14 15:43:48,603 INFO L130 BoogieDeclarations]: Found specification of procedure destroy_workqueue [2022-12-14 15:43:48,603 INFO L138 BoogieDeclarations]: Found implementation of procedure destroy_workqueue [2022-12-14 15:43:48,603 INFO L130 BoogieDeclarations]: Found specification of procedure sm_mkoffset [2022-12-14 15:43:48,603 INFO L138 BoogieDeclarations]: Found implementation of procedure sm_mkoffset [2022-12-14 15:43:48,603 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-12-14 15:43:48,604 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-12-14 15:43:48,604 INFO L130 BoogieDeclarations]: Found specification of procedure sm_get_lba [2022-12-14 15:43:48,604 INFO L138 BoogieDeclarations]: Found implementation of procedure sm_get_lba [2022-12-14 15:43:48,604 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_sock_check_final_state [2022-12-14 15:43:48,604 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_sock_check_final_state [2022-12-14 15:43:48,604 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_gadget_check_final_state [2022-12-14 15:43:48,604 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_gadget_check_final_state [2022-12-14 15:43:48,604 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-14 15:43:48,604 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_fs_sysfs_check_final_state [2022-12-14 15:43:48,604 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_fs_sysfs_check_final_state [2022-12-14 15:43:48,604 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-12-14 15:43:48,604 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-12-14 15:43:48,604 INFO L130 BoogieDeclarations]: Found specification of procedure mtd_is_eccerr [2022-12-14 15:43:48,605 INFO L138 BoogieDeclarations]: Found implementation of procedure mtd_is_eccerr [2022-12-14 15:43:48,605 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2022-12-14 15:43:48,605 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2022-12-14 15:43:48,605 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_rtnetlink_check_final_state [2022-12-14 15:43:48,605 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_rtnetlink_check_final_state [2022-12-14 15:43:48,605 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-12-14 15:43:48,605 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-12-14 15:43:48,605 INFO L130 BoogieDeclarations]: Found specification of procedure __kfifo_in [2022-12-14 15:43:48,605 INFO L138 BoogieDeclarations]: Found implementation of procedure __kfifo_in [2022-12-14 15:43:48,605 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-12-14 15:43:48,605 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-12-14 15:43:48,605 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_check_final_state [2022-12-14 15:43:48,605 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_check_final_state [2022-12-14 15:43:48,605 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock [2022-12-14 15:43:48,606 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock [2022-12-14 15:43:48,606 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_urb_check_final_state [2022-12-14 15:43:48,606 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_urb_check_final_state [2022-12-14 15:43:48,606 INFO L130 BoogieDeclarations]: Found specification of procedure __nand_correct_data [2022-12-14 15:43:48,606 INFO L138 BoogieDeclarations]: Found implementation of procedure __nand_correct_data [2022-12-14 15:43:48,606 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_rwlock_check_final_state [2022-12-14 15:43:48,606 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_rwlock_check_final_state [2022-12-14 15:43:48,606 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-12-14 15:43:48,606 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-12-14 15:43:48,606 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlock [2022-12-14 15:43:48,606 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlock [2022-12-14 15:43:48,606 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-14 15:43:48,606 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_fs_char_dev_check_final_state [2022-12-14 15:43:48,606 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_fs_char_dev_check_final_state [2022-12-14 15:43:48,607 INFO L130 BoogieDeclarations]: Found specification of procedure is_power_of_2 [2022-12-14 15:43:48,607 INFO L138 BoogieDeclarations]: Found implementation of procedure is_power_of_2 [2022-12-14 15:43:48,607 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-12-14 15:43:48,607 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-12-14 15:43:48,607 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_drivers_base_class_check_final_state [2022-12-14 15:43:48,607 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_drivers_base_class_check_final_state [2022-12-14 15:43:48,607 INFO L130 BoogieDeclarations]: Found specification of procedure sm_sector_valid [2022-12-14 15:43:48,607 INFO L138 BoogieDeclarations]: Found implementation of procedure sm_sector_valid [2022-12-14 15:43:48,607 INFO L130 BoogieDeclarations]: Found specification of procedure sm_erase_block [2022-12-14 15:43:48,607 INFO L138 BoogieDeclarations]: Found implementation of procedure sm_erase_block [2022-12-14 15:43:48,607 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2022-12-14 15:43:48,607 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2022-12-14 15:43:48,607 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-12-14 15:43:48,607 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-12-14 15:43:48,607 INFO L130 BoogieDeclarations]: Found specification of procedure sm_break_offset [2022-12-14 15:43:48,608 INFO L138 BoogieDeclarations]: Found implementation of procedure sm_break_offset [2022-12-14 15:43:48,608 INFO L130 BoogieDeclarations]: Found specification of procedure sm_block_valid [2022-12-14 15:43:48,608 INFO L138 BoogieDeclarations]: Found implementation of procedure sm_block_valid [2022-12-14 15:43:48,608 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_sched_check_final_state [2022-12-14 15:43:48,608 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_sched_check_final_state [2022-12-14 15:43:48,608 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-14 15:43:49,022 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 15:43:49,025 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 15:43:49,442 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-12-14 15:43:50,904 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 15:43:51,405 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 15:43:51,405 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-14 15:43:51,408 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 03:43:51 BoogieIcfgContainer [2022-12-14 15:43:51,408 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 15:43:51,409 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-14 15:43:51,409 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-14 15:43:51,411 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-14 15:43:51,412 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.12 03:43:45" (1/3) ... [2022-12-14 15:43:51,412 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4393b60e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 03:43:51, skipping insertion in model container [2022-12-14 15:43:51,412 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:43:48" (2/3) ... [2022-12-14 15:43:51,412 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4393b60e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 03:43:51, skipping insertion in model container [2022-12-14 15:43:51,412 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 03:43:51" (3/3) ... [2022-12-14 15:43:51,413 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.0-rc1---drivers--mtd--sm_ftl.ko.cil.i [2022-12-14 15:43:51,429 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-14 15:43:51,430 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 27 error locations. [2022-12-14 15:43:51,493 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-14 15:43:51,497 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;@1e0550d3, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-14 15:43:51,497 INFO L358 AbstractCegarLoop]: Starting to check reachability of 27 error locations. [2022-12-14 15:43:51,504 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) [2022-12-14 15:43:51,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2022-12-14 15:43:51,513 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 15:43:51,514 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] [2022-12-14 15:43:51,514 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)] === [2022-12-14 15:43:51,518 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 15:43:51,518 INFO L85 PathProgramCache]: Analyzing trace with hash 1619684597, now seen corresponding path program 1 times [2022-12-14 15:43:51,526 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 15:43:51,526 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1341261939] [2022-12-14 15:43:51,527 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 15:43:51,527 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 15:43:51,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 15:43:51,928 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-12-14 15:43:51,928 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 15:43:51,929 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1341261939] [2022-12-14 15:43:51,929 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1341261939] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 15:43:51,929 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 15:43:51,929 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-14 15:43:51,930 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [533596463] [2022-12-14 15:43:51,931 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 15:43:51,935 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 15:43:51,935 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 15:43:51,955 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 15:43:51,956 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-14 15:43:51,958 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) [2022-12-14 15:43:54,699 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 15:43:54,700 INFO L93 Difference]: Finished difference Result 1793 states and 2544 transitions. [2022-12-14 15:43:54,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-14 15:43:54,703 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 [2022-12-14 15:43:54,703 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 15:43:54,720 INFO L225 Difference]: With dead ends: 1793 [2022-12-14 15:43:54,720 INFO L226 Difference]: Without dead ends: 894 [2022-12-14 15:43:54,728 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 [2022-12-14 15:43:54,730 INFO L413 NwaCegarLoop]: 1060 mSDtfsCounter, 1204 mSDsluCounter, 1060 mSDsCounter, 0 mSdLazyCounter, 317 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s 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, 2.6s IncrementalHoareTripleChecker+Time [2022-12-14 15:43:54,731 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1206 Valid, 2120 Invalid, 317 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 317 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2022-12-14 15:43:54,744 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 894 states. [2022-12-14 15:43:54,799 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 894 to 894. [2022-12-14 15:43:54,802 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) [2022-12-14 15:43:54,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 894 states to 894 states and 1207 transitions. [2022-12-14 15:43:54,813 INFO L78 Accepts]: Start accepts. Automaton has 894 states and 1207 transitions. Word has length 38 [2022-12-14 15:43:54,814 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 15:43:54,815 INFO L495 AbstractCegarLoop]: Abstraction has 894 states and 1207 transitions. [2022-12-14 15:43:54,815 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) [2022-12-14 15:43:54,815 INFO L276 IsEmpty]: Start isEmpty. Operand 894 states and 1207 transitions. [2022-12-14 15:43:54,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2022-12-14 15:43:54,816 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 15:43:54,816 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] [2022-12-14 15:43:54,817 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-14 15:43:54,817 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)] === [2022-12-14 15:43:54,817 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 15:43:54,817 INFO L85 PathProgramCache]: Analyzing trace with hash 984650366, now seen corresponding path program 1 times [2022-12-14 15:43:54,817 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 15:43:54,817 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [861487177] [2022-12-14 15:43:54,818 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 15:43:54,818 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 15:43:54,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 15:43:55,066 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-12-14 15:43:55,066 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 15:43:55,067 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [861487177] [2022-12-14 15:43:55,067 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [861487177] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 15:43:55,067 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 15:43:55,067 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-14 15:43:55,067 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [476750548] [2022-12-14 15:43:55,067 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 15:43:55,069 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 15:43:55,069 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 15:43:55,070 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 15:43:55,070 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-14 15:43:55,070 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) [2022-12-14 15:43:56,736 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 15:43:56,736 INFO L93 Difference]: Finished difference Result 894 states and 1207 transitions. [2022-12-14 15:43:56,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-14 15:43:56,737 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 [2022-12-14 15:43:56,737 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 15:43:56,741 INFO L225 Difference]: With dead ends: 894 [2022-12-14 15:43:56,742 INFO L226 Difference]: Without dead ends: 892 [2022-12-14 15:43:56,742 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 [2022-12-14 15:43:56,743 INFO L413 NwaCegarLoop]: 1046 mSDtfsCounter, 1188 mSDsluCounter, 1046 mSDsCounter, 0 mSdLazyCounter, 315 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s 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, 1.6s IncrementalHoareTripleChecker+Time [2022-12-14 15:43:56,743 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1190 Valid, 2092 Invalid, 315 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 315 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2022-12-14 15:43:56,745 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 892 states. [2022-12-14 15:43:56,779 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 892 to 892. [2022-12-14 15:43:56,780 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) [2022-12-14 15:43:56,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 892 states to 892 states and 1205 transitions. [2022-12-14 15:43:56,785 INFO L78 Accepts]: Start accepts. Automaton has 892 states and 1205 transitions. Word has length 43 [2022-12-14 15:43:56,785 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 15:43:56,785 INFO L495 AbstractCegarLoop]: Abstraction has 892 states and 1205 transitions. [2022-12-14 15:43:56,786 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) [2022-12-14 15:43:56,786 INFO L276 IsEmpty]: Start isEmpty. Operand 892 states and 1205 transitions. [2022-12-14 15:43:56,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2022-12-14 15:43:56,787 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 15:43:56,787 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] [2022-12-14 15:43:56,787 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-14 15:43:56,787 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)] === [2022-12-14 15:43:56,787 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 15:43:56,787 INFO L85 PathProgramCache]: Analyzing trace with hash -1975623278, now seen corresponding path program 1 times [2022-12-14 15:43:56,788 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 15:43:56,788 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1602416402] [2022-12-14 15:43:56,788 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 15:43:56,788 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 15:43:56,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 15:43:56,958 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-12-14 15:43:56,958 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 15:43:56,958 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1602416402] [2022-12-14 15:43:56,958 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1602416402] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 15:43:56,958 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 15:43:56,958 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-14 15:43:56,958 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [843012071] [2022-12-14 15:43:56,958 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 15:43:56,959 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 15:43:56,959 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 15:43:56,959 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 15:43:56,960 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-14 15:43:56,960 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) [2022-12-14 15:43:58,732 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 15:43:58,732 INFO L93 Difference]: Finished difference Result 892 states and 1205 transitions. [2022-12-14 15:43:58,733 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-14 15:43:58,733 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 [2022-12-14 15:43:58,733 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 15:43:58,738 INFO L225 Difference]: With dead ends: 892 [2022-12-14 15:43:58,738 INFO L226 Difference]: Without dead ends: 890 [2022-12-14 15:43:58,739 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 [2022-12-14 15:43:58,739 INFO L413 NwaCegarLoop]: 1044 mSDtfsCounter, 1185 mSDsluCounter, 1044 mSDsCounter, 0 mSdLazyCounter, 315 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1187 SdHoareTripleChecker+Valid, 2088 SdHoareTripleChecker+Invalid, 315 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 315 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2022-12-14 15:43:58,739 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1187 Valid, 2088 Invalid, 315 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 315 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2022-12-14 15:43:58,741 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 890 states. [2022-12-14 15:43:58,769 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 890 to 890. [2022-12-14 15:43:58,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 890 states, 542 states have (on average 1.3081180811808117) internal successors, (709), 588 states have internal predecessors, (709), 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) [2022-12-14 15:43:58,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 890 states to 890 states and 1203 transitions. [2022-12-14 15:43:58,775 INFO L78 Accepts]: Start accepts. Automaton has 890 states and 1203 transitions. Word has length 48 [2022-12-14 15:43:58,775 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 15:43:58,775 INFO L495 AbstractCegarLoop]: Abstraction has 890 states and 1203 transitions. [2022-12-14 15:43:58,775 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) [2022-12-14 15:43:58,775 INFO L276 IsEmpty]: Start isEmpty. Operand 890 states and 1203 transitions. [2022-12-14 15:43:58,776 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2022-12-14 15:43:58,776 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 15:43:58,776 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] [2022-12-14 15:43:58,776 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-12-14 15:43:58,776 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)] === [2022-12-14 15:43:58,777 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 15:43:58,777 INFO L85 PathProgramCache]: Analyzing trace with hash 40579102, now seen corresponding path program 1 times [2022-12-14 15:43:58,777 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 15:43:58,777 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [687233354] [2022-12-14 15:43:58,777 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 15:43:58,777 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 15:43:58,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 15:43:59,029 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-12-14 15:43:59,030 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 15:43:59,030 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [687233354] [2022-12-14 15:43:59,030 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [687233354] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 15:43:59,030 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 15:43:59,030 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-14 15:43:59,030 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2084739841] [2022-12-14 15:43:59,030 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 15:43:59,031 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-14 15:43:59,031 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 15:43:59,031 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-14 15:43:59,031 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-14 15:43:59,031 INFO L87 Difference]: Start difference. First operand 890 states and 1203 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) [2022-12-14 15:44:02,320 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.85s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 15:44:03,140 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 15:44:03,140 INFO L93 Difference]: Finished difference Result 1063 states and 1421 transitions. [2022-12-14 15:44:03,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-14 15:44:03,141 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 [2022-12-14 15:44:03,141 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 15:44:03,147 INFO L225 Difference]: With dead ends: 1063 [2022-12-14 15:44:03,147 INFO L226 Difference]: Without dead ends: 1061 [2022-12-14 15:44:03,148 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 [2022-12-14 15:44:03,149 INFO L413 NwaCegarLoop]: 1204 mSDtfsCounter, 712 mSDsluCounter, 3005 mSDsCounter, 0 mSdLazyCounter, 646 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 713 SdHoareTripleChecker+Valid, 4209 SdHoareTripleChecker+Invalid, 647 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 646 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.0s IncrementalHoareTripleChecker+Time [2022-12-14 15:44:03,149 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [713 Valid, 4209 Invalid, 647 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 646 Invalid, 0 Unknown, 0 Unchecked, 4.0s Time] [2022-12-14 15:44:03,151 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1061 states. [2022-12-14 15:44:03,207 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1061 to 1057. [2022-12-14 15:44:03,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1057 states, 642 states have (on average 1.3037383177570094) internal successors, (837), 693 states have internal predecessors, (837), 291 states have call successors, (291), 102 states have call predecessors, (291), 101 states have return successors, (289), 287 states have call predecessors, (289), 289 states have call successors, (289) [2022-12-14 15:44:03,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1057 states to 1057 states and 1417 transitions. [2022-12-14 15:44:03,216 INFO L78 Accepts]: Start accepts. Automaton has 1057 states and 1417 transitions. Word has length 50 [2022-12-14 15:44:03,216 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 15:44:03,216 INFO L495 AbstractCegarLoop]: Abstraction has 1057 states and 1417 transitions. [2022-12-14 15:44:03,217 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) [2022-12-14 15:44:03,217 INFO L276 IsEmpty]: Start isEmpty. Operand 1057 states and 1417 transitions. [2022-12-14 15:44:03,218 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2022-12-14 15:44:03,218 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 15:44:03,218 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] [2022-12-14 15:44:03,219 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-12-14 15:44:03,219 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)] === [2022-12-14 15:44:03,219 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 15:44:03,219 INFO L85 PathProgramCache]: Analyzing trace with hash -1536290686, now seen corresponding path program 1 times [2022-12-14 15:44:03,219 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 15:44:03,219 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1893136280] [2022-12-14 15:44:03,220 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 15:44:03,220 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 15:44:03,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 15:44:03,354 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-12-14 15:44:03,354 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 15:44:03,354 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1893136280] [2022-12-14 15:44:03,354 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1893136280] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 15:44:03,355 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 15:44:03,355 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-14 15:44:03,355 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [115814565] [2022-12-14 15:44:03,355 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 15:44:03,355 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 15:44:03,355 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 15:44:03,356 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 15:44:03,356 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-14 15:44:03,356 INFO L87 Difference]: Start difference. First operand 1057 states and 1417 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) [2022-12-14 15:44:04,726 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.23s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 15:44:05,937 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.21s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 15:44:06,436 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 15:44:06,436 INFO L93 Difference]: Finished difference Result 1057 states and 1417 transitions. [2022-12-14 15:44:06,436 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-14 15:44:06,437 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 [2022-12-14 15:44:06,437 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 15:44:06,442 INFO L225 Difference]: With dead ends: 1057 [2022-12-14 15:44:06,442 INFO L226 Difference]: Without dead ends: 1055 [2022-12-14 15:44:06,443 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 [2022-12-14 15:44:06,444 INFO L413 NwaCegarLoop]: 1040 mSDtfsCounter, 1180 mSDsluCounter, 1040 mSDsCounter, 0 mSdLazyCounter, 315 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1182 SdHoareTripleChecker+Valid, 2080 SdHoareTripleChecker+Invalid, 315 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 315 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.0s IncrementalHoareTripleChecker+Time [2022-12-14 15:44:06,444 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1182 Valid, 2080 Invalid, 315 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 315 Invalid, 0 Unknown, 0 Unchecked, 3.0s Time] [2022-12-14 15:44:06,446 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1055 states. [2022-12-14 15:44:06,507 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1055 to 1055. [2022-12-14 15:44:06,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1055 states, 641 states have (on average 1.3026521060842433) internal successors, (835), 691 states have internal predecessors, (835), 291 states have call successors, (291), 102 states have call predecessors, (291), 101 states have return successors, (289), 287 states have call predecessors, (289), 289 states have call successors, (289) [2022-12-14 15:44:06,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1055 states to 1055 states and 1415 transitions. [2022-12-14 15:44:06,516 INFO L78 Accepts]: Start accepts. Automaton has 1055 states and 1415 transitions. Word has length 53 [2022-12-14 15:44:06,517 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 15:44:06,517 INFO L495 AbstractCegarLoop]: Abstraction has 1055 states and 1415 transitions. [2022-12-14 15:44:06,517 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) [2022-12-14 15:44:06,517 INFO L276 IsEmpty]: Start isEmpty. Operand 1055 states and 1415 transitions. [2022-12-14 15:44:06,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2022-12-14 15:44:06,519 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 15:44:06,519 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] [2022-12-14 15:44:06,519 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-12-14 15:44:06,519 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)] === [2022-12-14 15:44:06,519 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 15:44:06,520 INFO L85 PathProgramCache]: Analyzing trace with hash -1142238988, now seen corresponding path program 1 times [2022-12-14 15:44:06,520 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 15:44:06,520 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [392433243] [2022-12-14 15:44:06,520 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 15:44:06,520 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 15:44:06,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 15:44:06,841 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-12-14 15:44:06,841 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 15:44:06,841 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [392433243] [2022-12-14 15:44:06,841 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [392433243] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 15:44:06,842 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 15:44:06,842 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-12-14 15:44:06,842 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1880093633] [2022-12-14 15:44:06,842 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 15:44:06,842 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-14 15:44:06,842 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 15:44:06,843 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-14 15:44:06,843 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-12-14 15:44:06,843 INFO L87 Difference]: Start difference. First operand 1055 states and 1415 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) [2022-12-14 15:44:09,745 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 15:44:09,745 INFO L93 Difference]: Finished difference Result 1055 states and 1415 transitions. [2022-12-14 15:44:09,745 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-14 15:44:09,745 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 [2022-12-14 15:44:09,746 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 15:44:09,751 INFO L225 Difference]: With dead ends: 1055 [2022-12-14 15:44:09,751 INFO L226 Difference]: Without dead ends: 1053 [2022-12-14 15:44:09,752 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 [2022-12-14 15:44:09,753 INFO L413 NwaCegarLoop]: 1039 mSDtfsCounter, 1177 mSDsluCounter, 2615 mSDsCounter, 0 mSdLazyCounter, 1122 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1180 SdHoareTripleChecker+Valid, 3654 SdHoareTripleChecker+Invalid, 1123 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1122 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2022-12-14 15:44:09,753 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1180 Valid, 3654 Invalid, 1123 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1122 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2022-12-14 15:44:09,755 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1053 states. [2022-12-14 15:44:09,817 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1053 to 1053. [2022-12-14 15:44:09,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1053 states, 640 states have (on average 1.3) internal successors, (832), 689 states have internal predecessors, (832), 291 states have call successors, (291), 102 states have call predecessors, (291), 101 states have return successors, (289), 287 states have call predecessors, (289), 289 states have call successors, (289) [2022-12-14 15:44:09,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1053 states to 1053 states and 1412 transitions. [2022-12-14 15:44:09,825 INFO L78 Accepts]: Start accepts. Automaton has 1053 states and 1412 transitions. Word has length 56 [2022-12-14 15:44:09,826 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 15:44:09,826 INFO L495 AbstractCegarLoop]: Abstraction has 1053 states and 1412 transitions. [2022-12-14 15:44:09,826 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) [2022-12-14 15:44:09,826 INFO L276 IsEmpty]: Start isEmpty. Operand 1053 states and 1412 transitions. [2022-12-14 15:44:09,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2022-12-14 15:44:09,827 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 15:44:09,828 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] [2022-12-14 15:44:09,828 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-12-14 15:44:09,828 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)] === [2022-12-14 15:44:09,828 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 15:44:09,828 INFO L85 PathProgramCache]: Analyzing trace with hash -999249047, now seen corresponding path program 1 times [2022-12-14 15:44:09,829 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 15:44:09,829 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [251963269] [2022-12-14 15:44:09,829 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 15:44:09,829 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 15:44:09,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 15:44:09,970 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-12-14 15:44:09,970 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 15:44:09,970 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [251963269] [2022-12-14 15:44:09,970 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [251963269] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 15:44:09,971 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 15:44:09,971 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-14 15:44:09,971 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [781392343] [2022-12-14 15:44:09,971 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 15:44:09,971 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 15:44:09,971 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 15:44:09,972 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 15:44:09,972 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-14 15:44:09,972 INFO L87 Difference]: Start difference. First operand 1053 states and 1412 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) [2022-12-14 15:44:11,849 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 15:44:11,849 INFO L93 Difference]: Finished difference Result 1053 states and 1412 transitions. [2022-12-14 15:44:11,850 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-14 15:44:11,850 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 [2022-12-14 15:44:11,851 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 15:44:11,854 INFO L225 Difference]: With dead ends: 1053 [2022-12-14 15:44:11,854 INFO L226 Difference]: Without dead ends: 1051 [2022-12-14 15:44:11,854 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 [2022-12-14 15:44:11,855 INFO L413 NwaCegarLoop]: 1036 mSDtfsCounter, 1175 mSDsluCounter, 1036 mSDsCounter, 0 mSdLazyCounter, 315 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1177 SdHoareTripleChecker+Valid, 2072 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 [2022-12-14 15:44:11,855 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1177 Valid, 2072 Invalid, 315 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 315 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2022-12-14 15:44:11,856 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1051 states. [2022-12-14 15:44:11,896 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1051 to 1051. [2022-12-14 15:44:11,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1051 states, 639 states have (on average 1.2989045383411582) internal successors, (830), 687 states have internal predecessors, (830), 291 states have call successors, (291), 102 states have call predecessors, (291), 101 states have return successors, (289), 287 states have call predecessors, (289), 289 states have call successors, (289) [2022-12-14 15:44:11,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1051 states to 1051 states and 1410 transitions. [2022-12-14 15:44:11,901 INFO L78 Accepts]: Start accepts. Automaton has 1051 states and 1410 transitions. Word has length 58 [2022-12-14 15:44:11,901 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 15:44:11,901 INFO L495 AbstractCegarLoop]: Abstraction has 1051 states and 1410 transitions. [2022-12-14 15:44:11,901 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) [2022-12-14 15:44:11,901 INFO L276 IsEmpty]: Start isEmpty. Operand 1051 states and 1410 transitions. [2022-12-14 15:44:11,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2022-12-14 15:44:11,902 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 15:44:11,902 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] [2022-12-14 15:44:11,902 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-12-14 15:44:11,902 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)] === [2022-12-14 15:44:11,903 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 15:44:11,903 INFO L85 PathProgramCache]: Analyzing trace with hash 656123159, now seen corresponding path program 1 times [2022-12-14 15:44:11,903 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 15:44:11,903 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [985491306] [2022-12-14 15:44:11,903 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 15:44:11,903 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 15:44:11,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 15:44:12,004 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-12-14 15:44:12,004 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 15:44:12,004 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [985491306] [2022-12-14 15:44:12,004 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [985491306] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 15:44:12,004 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 15:44:12,004 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 15:44:12,004 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [676533015] [2022-12-14 15:44:12,005 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 15:44:12,005 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 15:44:12,005 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 15:44:12,005 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 15:44:12,005 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 15:44:12,006 INFO L87 Difference]: Start difference. First operand 1051 states and 1410 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) [2022-12-14 15:44:13,006 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 15:44:13,006 INFO L93 Difference]: Finished difference Result 2081 states and 2801 transitions. [2022-12-14 15:44:13,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 15:44:13,007 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 [2022-12-14 15:44:13,007 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 15:44:13,010 INFO L225 Difference]: With dead ends: 2081 [2022-12-14 15:44:13,010 INFO L226 Difference]: Without dead ends: 1045 [2022-12-14 15:44:13,013 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 [2022-12-14 15:44:13,013 INFO L413 NwaCegarLoop]: 1032 mSDtfsCounter, 1161 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 158 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1161 SdHoareTripleChecker+Valid, 1032 SdHoareTripleChecker+Invalid, 158 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 158 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-12-14 15:44:13,014 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1161 Valid, 1032 Invalid, 158 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 158 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-12-14 15:44:13,015 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1045 states. [2022-12-14 15:44:13,056 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1045 to 1045. [2022-12-14 15:44:13,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1045 states, 634 states have (on average 1.2949526813880126) internal successors, (821), 681 states have internal predecessors, (821), 291 states have call successors, (291), 102 states have call predecessors, (291), 101 states have return successors, (289), 287 states have call predecessors, (289), 289 states have call successors, (289) [2022-12-14 15:44:13,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1045 states to 1045 states and 1401 transitions. [2022-12-14 15:44:13,061 INFO L78 Accepts]: Start accepts. Automaton has 1045 states and 1401 transitions. Word has length 59 [2022-12-14 15:44:13,061 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 15:44:13,062 INFO L495 AbstractCegarLoop]: Abstraction has 1045 states and 1401 transitions. [2022-12-14 15:44:13,062 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) [2022-12-14 15:44:13,062 INFO L276 IsEmpty]: Start isEmpty. Operand 1045 states and 1401 transitions. [2022-12-14 15:44:13,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2022-12-14 15:44:13,063 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 15:44:13,063 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] [2022-12-14 15:44:13,063 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-12-14 15:44:13,063 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)] === [2022-12-14 15:44:13,063 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 15:44:13,063 INFO L85 PathProgramCache]: Analyzing trace with hash -5145719, now seen corresponding path program 1 times [2022-12-14 15:44:13,063 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 15:44:13,063 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [125856751] [2022-12-14 15:44:13,063 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 15:44:13,063 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 15:44:13,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 15:44:13,191 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-12-14 15:44:13,191 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 15:44:13,191 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [125856751] [2022-12-14 15:44:13,191 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [125856751] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 15:44:13,191 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 15:44:13,192 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-14 15:44:13,192 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [249890275] [2022-12-14 15:44:13,192 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 15:44:13,192 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 15:44:13,192 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 15:44:13,193 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 15:44:13,193 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-14 15:44:13,193 INFO L87 Difference]: Start difference. First operand 1045 states and 1401 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) [2022-12-14 15:44:16,335 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 [] [2022-12-14 15:44:16,864 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 15:44:16,864 INFO L93 Difference]: Finished difference Result 1045 states and 1401 transitions. [2022-12-14 15:44:16,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-14 15:44:16,865 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 [2022-12-14 15:44:16,865 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 15:44:16,868 INFO L225 Difference]: With dead ends: 1045 [2022-12-14 15:44:16,869 INFO L226 Difference]: Without dead ends: 1043 [2022-12-14 15:44:16,869 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-14 15:44:16,869 INFO L413 NwaCegarLoop]: 1029 mSDtfsCounter, 1167 mSDsluCounter, 1029 mSDsCounter, 0 mSdLazyCounter, 314 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1169 SdHoareTripleChecker+Valid, 2058 SdHoareTripleChecker+Invalid, 315 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 314 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.6s IncrementalHoareTripleChecker+Time [2022-12-14 15:44:16,870 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1169 Valid, 2058 Invalid, 315 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 314 Invalid, 1 Unknown, 0 Unchecked, 3.6s Time] [2022-12-14 15:44:16,871 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1043 states. [2022-12-14 15:44:16,928 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1043 to 1043. [2022-12-14 15:44:16,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1043 states, 633 states have (on average 1.2938388625592416) internal successors, (819), 679 states have internal predecessors, (819), 291 states have call successors, (291), 102 states have call predecessors, (291), 101 states have return successors, (289), 287 states have call predecessors, (289), 289 states have call successors, (289) [2022-12-14 15:44:16,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1043 states to 1043 states and 1399 transitions. [2022-12-14 15:44:16,933 INFO L78 Accepts]: Start accepts. Automaton has 1043 states and 1399 transitions. Word has length 63 [2022-12-14 15:44:16,933 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 15:44:16,934 INFO L495 AbstractCegarLoop]: Abstraction has 1043 states and 1399 transitions. [2022-12-14 15:44:16,934 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) [2022-12-14 15:44:16,934 INFO L276 IsEmpty]: Start isEmpty. Operand 1043 states and 1399 transitions. [2022-12-14 15:44:16,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2022-12-14 15:44:16,935 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 15:44:16,935 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] [2022-12-14 15:44:16,935 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-12-14 15:44:16,936 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)] === [2022-12-14 15:44:16,936 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 15:44:16,936 INFO L85 PathProgramCache]: Analyzing trace with hash -314724385, now seen corresponding path program 1 times [2022-12-14 15:44:16,936 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 15:44:16,936 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1844751079] [2022-12-14 15:44:16,936 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 15:44:16,936 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 15:44:16,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 15:44:17,095 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-12-14 15:44:17,095 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 15:44:17,095 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1844751079] [2022-12-14 15:44:17,095 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1844751079] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 15:44:17,095 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 15:44:17,095 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-14 15:44:17,095 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1767407942] [2022-12-14 15:44:17,096 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 15:44:17,096 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-14 15:44:17,096 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 15:44:17,096 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-14 15:44:17,096 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-14 15:44:17,096 INFO L87 Difference]: Start difference. First operand 1043 states and 1399 transitions. Second operand has 5 states, 5 states have (on average 6.8) internal successors, (34), 4 states have internal predecessors, (34), 2 states have call successors, (14), 3 states have call predecessors, (14), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2022-12-14 15:44:20,155 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 15:44:20,155 INFO L93 Difference]: Finished difference Result 1043 states and 1399 transitions. [2022-12-14 15:44:20,156 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-14 15:44:20,156 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.8) internal successors, (34), 4 states have internal predecessors, (34), 2 states have call successors, (14), 3 states have call predecessors, (14), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 66 [2022-12-14 15:44:20,156 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 15:44:20,158 INFO L225 Difference]: With dead ends: 1043 [2022-12-14 15:44:20,159 INFO L226 Difference]: Without dead ends: 1041 [2022-12-14 15:44:20,159 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 [2022-12-14 15:44:20,159 INFO L413 NwaCegarLoop]: 1079 mSDtfsCounter, 677 mSDsluCounter, 2766 mSDsCounter, 0 mSdLazyCounter, 615 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 678 SdHoareTripleChecker+Valid, 3845 SdHoareTripleChecker+Invalid, 615 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 615 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.0s IncrementalHoareTripleChecker+Time [2022-12-14 15:44:20,159 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [678 Valid, 3845 Invalid, 615 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 615 Invalid, 0 Unknown, 0 Unchecked, 3.0s Time] [2022-12-14 15:44:20,160 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1041 states. [2022-12-14 15:44:20,239 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1041 to 1041. [2022-12-14 15:44:20,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1041 states, 632 states have (on average 1.2927215189873418) internal successors, (817), 677 states have internal predecessors, (817), 291 states have call successors, (291), 102 states have call predecessors, (291), 101 states have return successors, (289), 287 states have call predecessors, (289), 289 states have call successors, (289) [2022-12-14 15:44:20,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1041 states to 1041 states and 1397 transitions. [2022-12-14 15:44:20,246 INFO L78 Accepts]: Start accepts. Automaton has 1041 states and 1397 transitions. Word has length 66 [2022-12-14 15:44:20,247 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 15:44:20,247 INFO L495 AbstractCegarLoop]: Abstraction has 1041 states and 1397 transitions. [2022-12-14 15:44:20,247 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.8) internal successors, (34), 4 states have internal predecessors, (34), 2 states have call successors, (14), 3 states have call predecessors, (14), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2022-12-14 15:44:20,247 INFO L276 IsEmpty]: Start isEmpty. Operand 1041 states and 1397 transitions. [2022-12-14 15:44:20,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2022-12-14 15:44:20,248 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 15:44:20,249 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] [2022-12-14 15:44:20,249 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-12-14 15:44:20,249 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)] === [2022-12-14 15:44:20,249 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 15:44:20,249 INFO L85 PathProgramCache]: Analyzing trace with hash -1964118709, now seen corresponding path program 1 times [2022-12-14 15:44:20,249 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 15:44:20,250 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [590852758] [2022-12-14 15:44:20,250 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 15:44:20,250 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 15:44:20,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 15:44:20,344 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-12-14 15:44:20,344 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 15:44:20,344 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [590852758] [2022-12-14 15:44:20,344 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [590852758] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 15:44:20,344 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 15:44:20,344 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-14 15:44:20,344 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1301094961] [2022-12-14 15:44:20,345 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 15:44:20,345 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 15:44:20,345 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 15:44:20,345 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 15:44:20,345 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-14 15:44:20,345 INFO L87 Difference]: Start difference. First operand 1041 states and 1397 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) [2022-12-14 15:44:21,561 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 15:44:21,561 INFO L93 Difference]: Finished difference Result 1041 states and 1397 transitions. [2022-12-14 15:44:21,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-14 15:44:21,561 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 [2022-12-14 15:44:21,561 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 15:44:21,564 INFO L225 Difference]: With dead ends: 1041 [2022-12-14 15:44:21,564 INFO L226 Difference]: Without dead ends: 1039 [2022-12-14 15:44:21,565 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 [2022-12-14 15:44:21,565 INFO L413 NwaCegarLoop]: 1025 mSDtfsCounter, 1162 mSDsluCounter, 1025 mSDsCounter, 0 mSdLazyCounter, 315 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1164 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, 1.1s IncrementalHoareTripleChecker+Time [2022-12-14 15:44:21,565 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1164 Valid, 2050 Invalid, 315 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 315 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-12-14 15:44:21,566 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1039 states. [2022-12-14 15:44:21,612 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1039 to 1039. [2022-12-14 15:44:21,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1039 states, 631 states have (on average 1.2916006339144215) internal successors, (815), 675 states have internal predecessors, (815), 291 states have call successors, (291), 102 states have call predecessors, (291), 101 states have return successors, (289), 287 states have call predecessors, (289), 289 states have call successors, (289) [2022-12-14 15:44:21,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1039 states to 1039 states and 1395 transitions. [2022-12-14 15:44:21,616 INFO L78 Accepts]: Start accepts. Automaton has 1039 states and 1395 transitions. Word has length 68 [2022-12-14 15:44:21,617 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 15:44:21,617 INFO L495 AbstractCegarLoop]: Abstraction has 1039 states and 1395 transitions. [2022-12-14 15:44:21,617 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) [2022-12-14 15:44:21,617 INFO L276 IsEmpty]: Start isEmpty. Operand 1039 states and 1395 transitions. [2022-12-14 15:44:21,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2022-12-14 15:44:21,618 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 15:44:21,618 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] [2022-12-14 15:44:21,618 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-12-14 15:44:21,618 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)] === [2022-12-14 15:44:21,618 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 15:44:21,618 INFO L85 PathProgramCache]: Analyzing trace with hash -1582101955, now seen corresponding path program 1 times [2022-12-14 15:44:21,618 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 15:44:21,618 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2009052356] [2022-12-14 15:44:21,619 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 15:44:21,619 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 15:44:21,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 15:44:21,706 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-12-14 15:44:21,707 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 15:44:21,707 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2009052356] [2022-12-14 15:44:21,707 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2009052356] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 15:44:21,707 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 15:44:21,707 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-14 15:44:21,707 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1327614383] [2022-12-14 15:44:21,707 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 15:44:21,708 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 15:44:21,708 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 15:44:21,708 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 15:44:21,708 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-14 15:44:21,708 INFO L87 Difference]: Start difference. First operand 1039 states and 1395 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) [2022-12-14 15:44:23,468 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 15:44:23,468 INFO L93 Difference]: Finished difference Result 1039 states and 1395 transitions. [2022-12-14 15:44:23,469 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-14 15:44:23,469 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 [2022-12-14 15:44:23,469 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 15:44:23,472 INFO L225 Difference]: With dead ends: 1039 [2022-12-14 15:44:23,472 INFO L226 Difference]: Without dead ends: 1037 [2022-12-14 15:44:23,472 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 [2022-12-14 15:44:23,473 INFO L413 NwaCegarLoop]: 1023 mSDtfsCounter, 1163 mSDsluCounter, 1019 mSDsCounter, 0 mSdLazyCounter, 315 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1165 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, 1.7s IncrementalHoareTripleChecker+Time [2022-12-14 15:44:23,473 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1165 Valid, 2042 Invalid, 315 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 315 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2022-12-14 15:44:23,474 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1037 states. [2022-12-14 15:44:23,549 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1037 to 1037. [2022-12-14 15:44:23,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1037 states, 630 states have (on average 1.2904761904761906) internal successors, (813), 673 states have internal predecessors, (813), 291 states have call successors, (291), 102 states have call predecessors, (291), 101 states have return successors, (289), 287 states have call predecessors, (289), 289 states have call successors, (289) [2022-12-14 15:44:23,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1037 states to 1037 states and 1393 transitions. [2022-12-14 15:44:23,553 INFO L78 Accepts]: Start accepts. Automaton has 1037 states and 1393 transitions. Word has length 73 [2022-12-14 15:44:23,553 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 15:44:23,553 INFO L495 AbstractCegarLoop]: Abstraction has 1037 states and 1393 transitions. [2022-12-14 15:44:23,554 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) [2022-12-14 15:44:23,554 INFO L276 IsEmpty]: Start isEmpty. Operand 1037 states and 1393 transitions. [2022-12-14 15:44:23,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2022-12-14 15:44:23,555 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 15:44:23,556 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] [2022-12-14 15:44:23,556 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-12-14 15:44:23,556 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)] === [2022-12-14 15:44:23,556 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 15:44:23,556 INFO L85 PathProgramCache]: Analyzing trace with hash 18596960, now seen corresponding path program 1 times [2022-12-14 15:44:23,556 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 15:44:23,556 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [106987492] [2022-12-14 15:44:23,557 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 15:44:23,557 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 15:44:23,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 15:44:23,668 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-12-14 15:44:23,668 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 15:44:23,669 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [106987492] [2022-12-14 15:44:23,669 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [106987492] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 15:44:23,669 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 15:44:23,669 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-14 15:44:23,669 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1390592003] [2022-12-14 15:44:23,669 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 15:44:23,669 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 15:44:23,670 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 15:44:23,670 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 15:44:23,670 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-14 15:44:23,670 INFO L87 Difference]: Start difference. First operand 1037 states and 1393 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) [2022-12-14 15:44:25,664 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 15:44:25,664 INFO L93 Difference]: Finished difference Result 1037 states and 1393 transitions. [2022-12-14 15:44:25,664 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-14 15:44:25,664 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 [2022-12-14 15:44:25,665 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 15:44:25,667 INFO L225 Difference]: With dead ends: 1037 [2022-12-14 15:44:25,667 INFO L226 Difference]: Without dead ends: 1035 [2022-12-14 15:44:25,668 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 [2022-12-14 15:44:25,668 INFO L413 NwaCegarLoop]: 1021 mSDtfsCounter, 1155 mSDsluCounter, 1021 mSDsCounter, 0 mSdLazyCounter, 315 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s 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, 1.9s IncrementalHoareTripleChecker+Time [2022-12-14 15:44:25,668 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1157 Valid, 2042 Invalid, 315 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 315 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2022-12-14 15:44:25,669 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1035 states. [2022-12-14 15:44:25,721 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1035 to 1035. [2022-12-14 15:44:25,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1035 states, 629 states have (on average 1.2893481717011128) internal successors, (811), 671 states have internal predecessors, (811), 291 states have call successors, (291), 102 states have call predecessors, (291), 101 states have return successors, (289), 287 states have call predecessors, (289), 289 states have call successors, (289) [2022-12-14 15:44:25,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1035 states to 1035 states and 1391 transitions. [2022-12-14 15:44:25,725 INFO L78 Accepts]: Start accepts. Automaton has 1035 states and 1391 transitions. Word has length 75 [2022-12-14 15:44:25,725 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 15:44:25,725 INFO L495 AbstractCegarLoop]: Abstraction has 1035 states and 1391 transitions. [2022-12-14 15:44:25,725 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) [2022-12-14 15:44:25,725 INFO L276 IsEmpty]: Start isEmpty. Operand 1035 states and 1391 transitions. [2022-12-14 15:44:25,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2022-12-14 15:44:25,726 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 15:44:25,726 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] [2022-12-14 15:44:25,726 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-12-14 15:44:25,727 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)] === [2022-12-14 15:44:25,727 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 15:44:25,727 INFO L85 PathProgramCache]: Analyzing trace with hash 1441188436, now seen corresponding path program 1 times [2022-12-14 15:44:25,727 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 15:44:25,727 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1509094446] [2022-12-14 15:44:25,727 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 15:44:25,727 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 15:44:25,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 15:44:25,818 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-12-14 15:44:25,818 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 15:44:25,819 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1509094446] [2022-12-14 15:44:25,819 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1509094446] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 15:44:25,819 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 15:44:25,819 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-14 15:44:25,819 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [729012811] [2022-12-14 15:44:25,819 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 15:44:25,820 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 15:44:25,820 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 15:44:25,820 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 15:44:25,820 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-14 15:44:25,820 INFO L87 Difference]: Start difference. First operand 1035 states and 1391 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) [2022-12-14 15:44:28,348 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 15:44:28,348 INFO L93 Difference]: Finished difference Result 1035 states and 1391 transitions. [2022-12-14 15:44:28,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-14 15:44:28,349 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 [2022-12-14 15:44:28,349 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 15:44:28,355 INFO L225 Difference]: With dead ends: 1035 [2022-12-14 15:44:28,355 INFO L226 Difference]: Without dead ends: 1033 [2022-12-14 15:44:28,355 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 [2022-12-14 15:44:28,356 INFO L413 NwaCegarLoop]: 1019 mSDtfsCounter, 1154 mSDsluCounter, 1019 mSDsCounter, 0 mSdLazyCounter, 315 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1156 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, 2.4s IncrementalHoareTripleChecker+Time [2022-12-14 15:44:28,356 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1156 Valid, 2038 Invalid, 315 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 315 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2022-12-14 15:44:28,357 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1033 states. [2022-12-14 15:44:28,420 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1033 to 1033. [2022-12-14 15:44:28,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1033 states, 628 states have (on average 1.2882165605095541) internal successors, (809), 669 states have internal predecessors, (809), 291 states have call successors, (291), 102 states have call predecessors, (291), 101 states have return successors, (289), 287 states have call predecessors, (289), 289 states have call successors, (289) [2022-12-14 15:44:28,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1033 states to 1033 states and 1389 transitions. [2022-12-14 15:44:28,423 INFO L78 Accepts]: Start accepts. Automaton has 1033 states and 1389 transitions. Word has length 80 [2022-12-14 15:44:28,424 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 15:44:28,424 INFO L495 AbstractCegarLoop]: Abstraction has 1033 states and 1389 transitions. [2022-12-14 15:44:28,424 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) [2022-12-14 15:44:28,424 INFO L276 IsEmpty]: Start isEmpty. Operand 1033 states and 1389 transitions. [2022-12-14 15:44:28,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2022-12-14 15:44:28,425 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 15:44:28,425 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] [2022-12-14 15:44:28,425 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-12-14 15:44:28,425 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)] === [2022-12-14 15:44:28,425 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 15:44:28,425 INFO L85 PathProgramCache]: Analyzing trace with hash -1916150633, now seen corresponding path program 1 times [2022-12-14 15:44:28,425 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 15:44:28,426 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [67854777] [2022-12-14 15:44:28,426 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 15:44:28,426 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 15:44:28,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 15:44:28,512 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-12-14 15:44:28,513 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 15:44:28,513 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [67854777] [2022-12-14 15:44:28,513 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [67854777] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 15:44:28,513 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 15:44:28,513 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-14 15:44:28,513 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [32906521] [2022-12-14 15:44:28,513 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 15:44:28,514 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 15:44:28,514 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 15:44:28,514 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 15:44:28,514 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-14 15:44:28,514 INFO L87 Difference]: Start difference. First operand 1033 states and 1389 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) [2022-12-14 15:44:29,703 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 15:44:29,703 INFO L93 Difference]: Finished difference Result 1033 states and 1389 transitions. [2022-12-14 15:44:29,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-14 15:44:29,704 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 [2022-12-14 15:44:29,704 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 15:44:29,707 INFO L225 Difference]: With dead ends: 1033 [2022-12-14 15:44:29,707 INFO L226 Difference]: Without dead ends: 1031 [2022-12-14 15:44:29,707 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 [2022-12-14 15:44:29,708 INFO L413 NwaCegarLoop]: 1017 mSDtfsCounter, 1151 mSDsluCounter, 1017 mSDsCounter, 0 mSdLazyCounter, 315 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1153 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, 1.1s IncrementalHoareTripleChecker+Time [2022-12-14 15:44:29,708 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1153 Valid, 2034 Invalid, 315 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 315 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-12-14 15:44:29,709 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1031 states. [2022-12-14 15:44:29,765 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1031 to 1031. [2022-12-14 15:44:29,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1031 states, 627 states have (on average 1.2870813397129186) internal successors, (807), 667 states have internal predecessors, (807), 291 states have call successors, (291), 102 states have call predecessors, (291), 101 states have return successors, (289), 287 states have call predecessors, (289), 289 states have call successors, (289) [2022-12-14 15:44:29,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1031 states to 1031 states and 1387 transitions. [2022-12-14 15:44:29,768 INFO L78 Accepts]: Start accepts. Automaton has 1031 states and 1387 transitions. Word has length 85 [2022-12-14 15:44:29,768 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 15:44:29,769 INFO L495 AbstractCegarLoop]: Abstraction has 1031 states and 1387 transitions. [2022-12-14 15:44:29,769 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) [2022-12-14 15:44:29,769 INFO L276 IsEmpty]: Start isEmpty. Operand 1031 states and 1387 transitions. [2022-12-14 15:44:29,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2022-12-14 15:44:29,770 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 15:44:29,770 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] [2022-12-14 15:44:29,770 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-12-14 15:44:29,770 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)] === [2022-12-14 15:44:29,770 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 15:44:29,770 INFO L85 PathProgramCache]: Analyzing trace with hash 1794774012, now seen corresponding path program 1 times [2022-12-14 15:44:29,771 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 15:44:29,771 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1373202204] [2022-12-14 15:44:29,771 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 15:44:29,771 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 15:44:29,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 15:44:29,855 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-12-14 15:44:29,855 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 15:44:29,855 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1373202204] [2022-12-14 15:44:29,855 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1373202204] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 15:44:29,855 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 15:44:29,855 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-14 15:44:29,856 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2023582716] [2022-12-14 15:44:29,856 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 15:44:29,856 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 15:44:29,856 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 15:44:29,856 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 15:44:29,856 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-14 15:44:29,856 INFO L87 Difference]: Start difference. First operand 1031 states and 1387 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) [2022-12-14 15:44:31,361 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 15:44:31,361 INFO L93 Difference]: Finished difference Result 1031 states and 1387 transitions. [2022-12-14 15:44:31,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-14 15:44:31,362 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 [2022-12-14 15:44:31,362 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 15:44:31,365 INFO L225 Difference]: With dead ends: 1031 [2022-12-14 15:44:31,365 INFO L226 Difference]: Without dead ends: 1029 [2022-12-14 15:44:31,365 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 [2022-12-14 15:44:31,366 INFO L413 NwaCegarLoop]: 1015 mSDtfsCounter, 1148 mSDsluCounter, 1015 mSDsCounter, 0 mSdLazyCounter, 315 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1150 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, 1.4s IncrementalHoareTripleChecker+Time [2022-12-14 15:44:31,366 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1150 Valid, 2030 Invalid, 315 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 315 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-12-14 15:44:31,367 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1029 states. [2022-12-14 15:44:31,426 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1029 to 1029. [2022-12-14 15:44:31,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1029 states, 626 states have (on average 1.2859424920127795) internal successors, (805), 665 states have internal predecessors, (805), 291 states have call successors, (291), 102 states have call predecessors, (291), 101 states have return successors, (289), 287 states have call predecessors, (289), 289 states have call successors, (289) [2022-12-14 15:44:31,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1029 states to 1029 states and 1385 transitions. [2022-12-14 15:44:31,430 INFO L78 Accepts]: Start accepts. Automaton has 1029 states and 1385 transitions. Word has length 90 [2022-12-14 15:44:31,430 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 15:44:31,430 INFO L495 AbstractCegarLoop]: Abstraction has 1029 states and 1385 transitions. [2022-12-14 15:44:31,430 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) [2022-12-14 15:44:31,430 INFO L276 IsEmpty]: Start isEmpty. Operand 1029 states and 1385 transitions. [2022-12-14 15:44:31,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2022-12-14 15:44:31,432 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 15:44:31,432 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] [2022-12-14 15:44:31,432 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-12-14 15:44:31,432 INFO L420 AbstractCegarLoop]: === Iteration 17 === 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)] === [2022-12-14 15:44:31,432 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 15:44:31,432 INFO L85 PathProgramCache]: Analyzing trace with hash -2102743243, now seen corresponding path program 1 times [2022-12-14 15:44:31,432 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 15:44:31,432 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [390593676] [2022-12-14 15:44:31,432 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 15:44:31,432 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 15:44:31,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 15:44:31,513 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-12-14 15:44:31,513 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 15:44:31,513 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [390593676] [2022-12-14 15:44:31,514 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [390593676] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 15:44:31,514 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 15:44:31,514 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-14 15:44:31,514 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [508603945] [2022-12-14 15:44:31,514 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 15:44:31,514 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 15:44:31,515 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 15:44:31,515 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 15:44:31,515 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-14 15:44:31,516 INFO L87 Difference]: Start difference. First operand 1029 states and 1385 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) [2022-12-14 15:44:33,347 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.17s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 15:44:33,953 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 15:44:33,953 INFO L93 Difference]: Finished difference Result 1029 states and 1385 transitions. [2022-12-14 15:44:33,953 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-14 15:44:33,954 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 [2022-12-14 15:44:33,954 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 15:44:33,960 INFO L225 Difference]: With dead ends: 1029 [2022-12-14 15:44:33,960 INFO L226 Difference]: Without dead ends: 1027 [2022-12-14 15:44:33,961 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 [2022-12-14 15:44:33,961 INFO L413 NwaCegarLoop]: 1013 mSDtfsCounter, 1145 mSDsluCounter, 1013 mSDsCounter, 0 mSdLazyCounter, 315 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1147 SdHoareTripleChecker+Valid, 2026 SdHoareTripleChecker+Invalid, 315 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 315 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2022-12-14 15:44:33,962 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1147 Valid, 2026 Invalid, 315 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 315 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2022-12-14 15:44:33,964 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1027 states. [2022-12-14 15:44:34,064 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1027 to 1027. [2022-12-14 15:44:34,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1027 states, 625 states have (on average 1.2848) internal successors, (803), 663 states have internal predecessors, (803), 291 states have call successors, (291), 102 states have call predecessors, (291), 101 states have return successors, (289), 287 states have call predecessors, (289), 289 states have call successors, (289) [2022-12-14 15:44:34,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1027 states to 1027 states and 1383 transitions. [2022-12-14 15:44:34,067 INFO L78 Accepts]: Start accepts. Automaton has 1027 states and 1383 transitions. Word has length 95 [2022-12-14 15:44:34,067 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 15:44:34,067 INFO L495 AbstractCegarLoop]: Abstraction has 1027 states and 1383 transitions. [2022-12-14 15:44:34,067 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) [2022-12-14 15:44:34,067 INFO L276 IsEmpty]: Start isEmpty. Operand 1027 states and 1383 transitions. [2022-12-14 15:44:34,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2022-12-14 15:44:34,069 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 15:44:34,069 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] [2022-12-14 15:44:34,069 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-12-14 15:44:34,069 INFO L420 AbstractCegarLoop]: === Iteration 18 === 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)] === [2022-12-14 15:44:34,069 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 15:44:34,069 INFO L85 PathProgramCache]: Analyzing trace with hash -109883652, now seen corresponding path program 1 times [2022-12-14 15:44:34,069 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 15:44:34,069 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1787331050] [2022-12-14 15:44:34,069 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 15:44:34,070 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 15:44:34,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 15:44:34,201 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2022-12-14 15:44:34,201 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 15:44:34,201 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1787331050] [2022-12-14 15:44:34,201 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1787331050] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 15:44:34,201 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 15:44:34,201 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-14 15:44:34,201 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1993992084] [2022-12-14 15:44:34,202 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 15:44:34,202 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 15:44:34,202 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 15:44:34,203 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 15:44:34,203 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-14 15:44:34,203 INFO L87 Difference]: Start difference. First operand 1027 states and 1383 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) [2022-12-14 15:44:36,895 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 [] [2022-12-14 15:44:38,149 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 15:44:38,149 INFO L93 Difference]: Finished difference Result 2143 states and 2948 transitions. [2022-12-14 15:44:38,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-14 15:44:38,150 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 [2022-12-14 15:44:38,150 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 15:44:38,154 INFO L225 Difference]: With dead ends: 2143 [2022-12-14 15:44:38,154 INFO L226 Difference]: Without dead ends: 1131 [2022-12-14 15:44:38,157 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 [2022-12-14 15:44:38,157 INFO L413 NwaCegarLoop]: 1037 mSDtfsCounter, 48 mSDsluCounter, 2049 mSDsCounter, 0 mSdLazyCounter, 478 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 64 SdHoareTripleChecker+Valid, 3086 SdHoareTripleChecker+Invalid, 480 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 478 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.8s IncrementalHoareTripleChecker+Time [2022-12-14 15:44:38,157 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [64 Valid, 3086 Invalid, 480 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 478 Invalid, 1 Unknown, 0 Unchecked, 3.8s Time] [2022-12-14 15:44:38,158 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1131 states. [2022-12-14 15:44:38,237 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1131 to 1031. [2022-12-14 15:44:38,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1031 states, 629 states have (on average 1.2829888712241653) internal successors, (807), 667 states have internal predecessors, (807), 291 states have call successors, (291), 102 states have call predecessors, (291), 101 states have return successors, (289), 287 states have call predecessors, (289), 289 states have call successors, (289) [2022-12-14 15:44:38,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1031 states to 1031 states and 1387 transitions. [2022-12-14 15:44:38,241 INFO L78 Accepts]: Start accepts. Automaton has 1031 states and 1387 transitions. Word has length 94 [2022-12-14 15:44:38,241 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 15:44:38,241 INFO L495 AbstractCegarLoop]: Abstraction has 1031 states and 1387 transitions. [2022-12-14 15:44:38,241 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) [2022-12-14 15:44:38,241 INFO L276 IsEmpty]: Start isEmpty. Operand 1031 states and 1387 transitions. [2022-12-14 15:44:38,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2022-12-14 15:44:38,243 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 15:44:38,243 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] [2022-12-14 15:44:38,243 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-12-14 15:44:38,243 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)] === [2022-12-14 15:44:38,243 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 15:44:38,244 INFO L85 PathProgramCache]: Analyzing trace with hash -1217839838, now seen corresponding path program 1 times [2022-12-14 15:44:38,244 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 15:44:38,244 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [7671905] [2022-12-14 15:44:38,244 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 15:44:38,244 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 15:44:38,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 15:44:38,349 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2022-12-14 15:44:38,350 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 15:44:38,350 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [7671905] [2022-12-14 15:44:38,350 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [7671905] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 15:44:38,350 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 15:44:38,350 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-14 15:44:38,350 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1585985504] [2022-12-14 15:44:38,350 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 15:44:38,351 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-14 15:44:38,351 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 15:44:38,351 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-14 15:44:38,351 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-14 15:44:38,351 INFO L87 Difference]: Start difference. First operand 1031 states and 1387 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) [2022-12-14 15:44:42,184 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 15:44:42,184 INFO L93 Difference]: Finished difference Result 2112 states and 2860 transitions. [2022-12-14 15:44:42,185 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-14 15:44:42,185 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 [2022-12-14 15:44:42,186 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 15:44:42,189 INFO L225 Difference]: With dead ends: 2112 [2022-12-14 15:44:42,189 INFO L226 Difference]: Without dead ends: 1096 [2022-12-14 15:44:42,191 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 [2022-12-14 15:44:42,192 INFO L413 NwaCegarLoop]: 1087 mSDtfsCounter, 50 mSDsluCounter, 3189 mSDsCounter, 0 mSdLazyCounter, 669 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 71 SdHoareTripleChecker+Valid, 4276 SdHoareTripleChecker+Invalid, 672 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 669 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.7s IncrementalHoareTripleChecker+Time [2022-12-14 15:44:42,192 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [71 Valid, 4276 Invalid, 672 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 669 Invalid, 0 Unknown, 0 Unchecked, 3.7s Time] [2022-12-14 15:44:42,193 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1096 states. [2022-12-14 15:44:42,269 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1096 to 1035. [2022-12-14 15:44:42,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1035 states, 632 states have (on average 1.2816455696202531) internal successors, (810), 670 states have internal predecessors, (810), 291 states have call successors, (291), 102 states have call predecessors, (291), 102 states have return successors, (294), 288 states have call predecessors, (294), 289 states have call successors, (294) [2022-12-14 15:44:42,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1035 states to 1035 states and 1395 transitions. [2022-12-14 15:44:42,272 INFO L78 Accepts]: Start accepts. Automaton has 1035 states and 1395 transitions. Word has length 97 [2022-12-14 15:44:42,273 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 15:44:42,273 INFO L495 AbstractCegarLoop]: Abstraction has 1035 states and 1395 transitions. [2022-12-14 15:44:42,273 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) [2022-12-14 15:44:42,273 INFO L276 IsEmpty]: Start isEmpty. Operand 1035 states and 1395 transitions. [2022-12-14 15:44:42,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2022-12-14 15:44:42,275 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 15:44:42,275 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] [2022-12-14 15:44:42,275 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-12-14 15:44:42,275 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)] === [2022-12-14 15:44:42,275 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 15:44:42,275 INFO L85 PathProgramCache]: Analyzing trace with hash 506145858, now seen corresponding path program 1 times [2022-12-14 15:44:42,275 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 15:44:42,275 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [5314913] [2022-12-14 15:44:42,275 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 15:44:42,276 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 15:44:42,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 15:44:42,529 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2022-12-14 15:44:42,529 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 15:44:42,529 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [5314913] [2022-12-14 15:44:42,529 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [5314913] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 15:44:42,530 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 15:44:42,530 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-14 15:44:42,530 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [612886200] [2022-12-14 15:44:42,530 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 15:44:42,530 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 15:44:42,530 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 15:44:42,531 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 15:44:42,531 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-14 15:44:42,531 INFO L87 Difference]: Start difference. First operand 1035 states and 1395 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) [2022-12-14 15:44:45,121 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 15:44:45,121 INFO L93 Difference]: Finished difference Result 2063 states and 2818 transitions. [2022-12-14 15:44:45,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-14 15:44:45,122 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 [2022-12-14 15:44:45,122 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 15:44:45,127 INFO L225 Difference]: With dead ends: 2063 [2022-12-14 15:44:45,127 INFO L226 Difference]: Without dead ends: 1042 [2022-12-14 15:44:45,130 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 [2022-12-14 15:44:45,130 INFO L413 NwaCegarLoop]: 1012 mSDtfsCounter, 5 mSDsluCounter, 2016 mSDsCounter, 0 mSdLazyCounter, 493 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 3028 SdHoareTripleChecker+Invalid, 496 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 493 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2022-12-14 15:44:45,130 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 3028 Invalid, 496 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 493 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2022-12-14 15:44:45,131 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1042 states. [2022-12-14 15:44:45,207 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1042 to 1042. [2022-12-14 15:44:45,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1042 states, 637 states have (on average 1.2841444270015698) internal successors, (818), 676 states have internal predecessors, (818), 291 states have call successors, (291), 103 states have call predecessors, (291), 104 states have return successors, (297), 288 states have call predecessors, (297), 289 states have call successors, (297) [2022-12-14 15:44:45,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1042 states to 1042 states and 1406 transitions. [2022-12-14 15:44:45,210 INFO L78 Accepts]: Start accepts. Automaton has 1042 states and 1406 transitions. Word has length 99 [2022-12-14 15:44:45,211 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 15:44:45,211 INFO L495 AbstractCegarLoop]: Abstraction has 1042 states and 1406 transitions. [2022-12-14 15:44:45,211 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) [2022-12-14 15:44:45,211 INFO L276 IsEmpty]: Start isEmpty. Operand 1042 states and 1406 transitions. [2022-12-14 15:44:45,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2022-12-14 15:44:45,212 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 15:44:45,212 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] [2022-12-14 15:44:45,213 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-12-14 15:44:45,213 INFO L420 AbstractCegarLoop]: === Iteration 21 === 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)] === [2022-12-14 15:44:45,213 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 15:44:45,213 INFO L85 PathProgramCache]: Analyzing trace with hash 111787633, now seen corresponding path program 1 times [2022-12-14 15:44:45,213 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 15:44:45,213 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [612735876] [2022-12-14 15:44:45,213 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 15:44:45,214 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 15:44:45,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 15:44:45,297 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-12-14 15:44:45,298 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 15:44:45,298 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [612735876] [2022-12-14 15:44:45,298 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [612735876] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 15:44:45,298 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 15:44:45,298 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-14 15:44:45,298 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [744541454] [2022-12-14 15:44:45,298 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 15:44:45,299 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 15:44:45,299 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 15:44:45,299 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 15:44:45,299 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-14 15:44:45,299 INFO L87 Difference]: Start difference. First operand 1042 states and 1406 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) [2022-12-14 15:44:47,784 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 15:44:47,784 INFO L93 Difference]: Finished difference Result 1042 states and 1406 transitions. [2022-12-14 15:44:47,785 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-14 15:44:47,786 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 [2022-12-14 15:44:47,786 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 15:44:47,789 INFO L225 Difference]: With dead ends: 1042 [2022-12-14 15:44:47,789 INFO L226 Difference]: Without dead ends: 1040 [2022-12-14 15:44:47,790 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 [2022-12-14 15:44:47,790 INFO L413 NwaCegarLoop]: 1011 mSDtfsCounter, 1142 mSDsluCounter, 1011 mSDsCounter, 0 mSdLazyCounter, 315 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1144 SdHoareTripleChecker+Valid, 2022 SdHoareTripleChecker+Invalid, 315 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 315 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2022-12-14 15:44:47,790 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1144 Valid, 2022 Invalid, 315 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 315 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2022-12-14 15:44:47,791 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1040 states. [2022-12-14 15:44:47,871 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1040 to 1040. [2022-12-14 15:44:47,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1040 states, 636 states have (on average 1.2830188679245282) internal successors, (816), 674 states have internal predecessors, (816), 291 states have call successors, (291), 103 states have call predecessors, (291), 104 states have return successors, (297), 288 states have call predecessors, (297), 289 states have call successors, (297) [2022-12-14 15:44:47,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1040 states to 1040 states and 1404 transitions. [2022-12-14 15:44:47,874 INFO L78 Accepts]: Start accepts. Automaton has 1040 states and 1404 transitions. Word has length 100 [2022-12-14 15:44:47,875 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 15:44:47,875 INFO L495 AbstractCegarLoop]: Abstraction has 1040 states and 1404 transitions. [2022-12-14 15:44:47,875 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) [2022-12-14 15:44:47,875 INFO L276 IsEmpty]: Start isEmpty. Operand 1040 states and 1404 transitions. [2022-12-14 15:44:47,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2022-12-14 15:44:47,876 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 15:44:47,876 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] [2022-12-14 15:44:47,876 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2022-12-14 15:44:47,877 INFO L420 AbstractCegarLoop]: === Iteration 22 === 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)] === [2022-12-14 15:44:47,877 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 15:44:47,877 INFO L85 PathProgramCache]: Analyzing trace with hash 483670398, now seen corresponding path program 1 times [2022-12-14 15:44:47,877 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 15:44:47,877 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1566251268] [2022-12-14 15:44:47,877 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 15:44:47,877 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 15:44:47,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 15:44:48,114 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2022-12-14 15:44:48,114 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 15:44:48,114 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1566251268] [2022-12-14 15:44:48,114 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1566251268] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-14 15:44:48,114 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1595051035] [2022-12-14 15:44:48,114 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 15:44:48,115 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 15:44:48,115 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28d23837-02f3-4a92-9ae3-7fb52e916186/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 15:44:48,116 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28d23837-02f3-4a92-9ae3-7fb52e916186/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 15:44:48,117 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28d23837-02f3-4a92-9ae3-7fb52e916186/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-12-14 15:44:48,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 15:44:48,540 INFO L263 TraceCheckSpWp]: Trace formula consists of 1288 conjuncts, 7 conjunts are in the unsatisfiable core [2022-12-14 15:44:48,545 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 15:44:48,587 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2022-12-14 15:44:48,587 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 15:44:48,709 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2022-12-14 15:44:48,709 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1595051035] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-14 15:44:48,709 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [499886597] [2022-12-14 15:44:48,726 INFO L159 IcfgInterpreter]: Started Sifa with 81 locations of interest [2022-12-14 15:44:48,727 INFO L166 IcfgInterpreter]: Building call graph [2022-12-14 15:44:48,729 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-12-14 15:44:48,733 INFO L176 IcfgInterpreter]: Starting interpretation [2022-12-14 15:44:48,734 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-12-14 15:44:51,273 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:44:53,100 INFO L321 Elim1Store]: treesize reduction 936, result has 33.4 percent of original size [2022-12-14 15:44:53,101 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 [2022-12-14 15:44:53,587 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:44:53,596 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 [2022-12-14 15:45:04,251 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 [2022-12-14 15:45:04,255 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 [2022-12-14 15:45:05,051 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:45:05,059 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 [2022-12-14 15:45:05,362 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:45:05,367 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 [2022-12-14 15:45:07,209 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:45:07,218 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 [2022-12-14 15:45:07,471 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:45:07,476 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 [2022-12-14 15:45:08,835 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:45:08,836 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:45:08,840 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:45:08,841 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:45:08,842 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:45:08,844 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:45:08,845 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:45:08,847 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:45:08,848 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:45:08,849 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:45:08,851 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:45:08,852 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:45:08,855 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:45:08,856 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:45:08,857 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:45:08,859 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:45:08,861 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:45:08,862 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:45:08,864 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:45:08,865 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:45:08,866 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:45:08,867 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:45:08,868 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:45:08,870 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:45:08,870 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:45:08,872 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:45:08,873 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:45:08,874 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:45:08,875 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:45:08,877 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:45:08,878 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:45:08,879 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:45:08,879 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:45:08,880 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:45:08,882 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:45:08,883 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:45:08,884 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:45:08,885 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:45:08,886 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:45:08,887 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:45:08,888 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:45:08,889 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:45:08,890 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:45:08,891 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:45:08,892 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:45:08,893 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:45:08,894 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:45:08,895 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:45:08,895 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:45:08,896 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:45:08,897 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:45:08,898 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:45:08,899 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:45:08,899 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:45:08,900 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:45:08,901 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:45:08,902 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:45:08,903 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:45:08,903 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:45:08,904 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:45:08,905 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:45:08,906 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:45:08,907 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:45:08,907 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:45:08,908 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:45:08,909 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:45:08,910 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:45:08,910 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:45:08,916 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:45:08,917 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:45:08,918 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:45:08,919 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:45:08,921 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:45:08,922 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:45:08,923 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:45:08,924 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:45:08,925 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:45:08,926 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:45:08,926 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:45:08,927 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:45:08,929 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 15:45:08,931 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:45:08,934 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:45:08,935 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:45:08,937 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:45:09,071 INFO L321 Elim1Store]: treesize reduction 128, result has 41.0 percent of original size [2022-12-14 15:45:09,072 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 [2022-12-14 15:45:09,485 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:45:09,488 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:45:09,489 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:45:09,490 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:45:09,491 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:45:09,492 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:45:09,493 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:45:09,494 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:45:09,495 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:45:09,496 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:45:09,496 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:45:09,497 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:45:09,498 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:45:09,499 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:45:09,500 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:45:09,502 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:45:09,503 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:45:09,504 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:45:09,505 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:45:09,506 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:45:09,507 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:45:09,508 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 15:45:09,537 INFO L321 Elim1Store]: treesize reduction 17, result has 29.2 percent of original size [2022-12-14 15:45:09,538 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 [2022-12-14 15:45:09,696 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:45:09,699 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:45:09,700 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:45:09,701 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:45:09,702 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:45:09,704 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:45:09,705 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:45:09,706 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:45:09,706 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:45:09,707 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:45:09,708 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:45:09,709 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:45:09,710 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:45:09,711 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:45:09,712 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:45:09,714 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:45:09,715 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:45:09,716 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:45:09,717 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:45:09,718 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:45:09,719 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:45:09,720 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 15:45:09,754 INFO L321 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2022-12-14 15:45:09,754 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 [2022-12-14 15:45:09,998 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 9 [2022-12-14 15:45:10,674 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 9 [2022-12-14 15:45:26,970 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 9 [2022-12-14 15:45:31,428 INFO L197 IcfgInterpreter]: Interpreting procedure sm_release with input of size 193 for LOIs [2022-12-14 15:45:32,097 INFO L197 IcfgInterpreter]: Interpreting procedure ldv_linux_kernel_locking_mutex_mutex_lock_mutex_of_sm_ftl with input of size 194 for LOIs [2022-12-14 15:45:32,591 INFO L197 IcfgInterpreter]: Interpreting procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock with input of size 180 for LOIs [2022-12-14 15:45:32,678 INFO L197 IcfgInterpreter]: Interpreting procedure sm_cache_flush with input of size 204 for LOIs [2022-12-14 15:45:33,045 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 [2022-12-14 15:45:33,058 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 [2022-12-14 15:45:33,254 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 [2022-12-14 15:45:33,264 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 [2022-12-14 15:45:33,705 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 [2022-12-14 15:45:33,723 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 [2022-12-14 15:45:33,997 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 [2022-12-14 15:45:34,013 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 [2022-12-14 15:45:34,494 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 [2022-12-14 15:45:34,508 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 [2022-12-14 15:45:34,767 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 [2022-12-14 15:45:34,780 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 [2022-12-14 15:45:35,210 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 [2022-12-14 15:45:35,223 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 [2022-12-14 15:45:35,497 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 [2022-12-14 15:45:35,508 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 [2022-12-14 15:45:36,358 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 [2022-12-14 15:45:36,379 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 [2022-12-14 15:45:36,436 INFO L321 Elim1Store]: treesize reduction 23, result has 17.9 percent of original size [2022-12-14 15:45:36,436 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 [2022-12-14 15:45:36,444 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 [2022-12-14 15:45:36,462 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 [2022-12-14 15:45:36,465 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 [2022-12-14 15:45:36,468 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 [2022-12-14 15:45:36,494 INFO L321 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2022-12-14 15:45:36,495 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 [2022-12-14 15:45:36,516 INFO L321 Elim1Store]: treesize reduction 15, result has 42.3 percent of original size [2022-12-14 15:45:36,516 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 [2022-12-14 15:45:36,532 INFO L321 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2022-12-14 15:45:36,533 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 [2022-12-14 15:45:36,555 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 [2022-12-14 15:45:36,560 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 [2022-12-14 15:45:36,565 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 [2022-12-14 15:45:36,594 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 15:45:36,594 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 [2022-12-14 15:45:36,610 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 15:45:36,610 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 [2022-12-14 15:45:36,654 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 15:45:36,654 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 [2022-12-14 15:45:36,670 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 15:45:36,671 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 [2022-12-14 15:45:36,691 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 [2022-12-14 15:45:37,020 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 [2022-12-14 15:45:37,040 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 [2022-12-14 15:45:37,882 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 15:45:37,883 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 [2022-12-14 15:45:38,012 INFO L321 Elim1Store]: treesize reduction 12, result has 83.1 percent of original size [2022-12-14 15:45:38,013 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 [2022-12-14 15:45:38,075 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 15:45:38,075 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 [2022-12-14 15:45:38,131 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 [2022-12-14 15:45:38,429 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 [2022-12-14 15:45:38,494 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 15:45:38,494 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 [2022-12-14 15:45:38,565 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 15:45:38,565 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 [2022-12-14 15:45:38,782 INFO L321 Elim1Store]: treesize reduction 12, result has 83.1 percent of original size [2022-12-14 15:45:38,783 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 [2022-12-14 15:45:39,375 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 [2022-12-14 15:45:39,729 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 [2022-12-14 15:45:40,819 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 [2022-12-14 15:45:40,920 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 [2022-12-14 15:45:40,999 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 15:45:40,999 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 4 new quantified variables, introduced 3 case distinctions, treesize of input 160 treesize of output 189 [2022-12-14 15:45:41,124 INFO L321 Elim1Store]: treesize reduction 12, result has 83.1 percent of original size [2022-12-14 15:45:41,124 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 [2022-12-14 15:45:41,182 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 15:45:41,182 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 [2022-12-14 15:45:41,333 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 [2022-12-14 15:45:41,355 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 [2022-12-14 15:45:41,485 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 [2022-12-14 15:45:41,499 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 [2022-12-14 15:45:41,777 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 [2022-12-14 15:45:41,791 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 [2022-12-14 15:45:42,022 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 [2022-12-14 15:45:42,036 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 [2022-12-14 15:45:42,185 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 [2022-12-14 15:45:42,198 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 [2022-12-14 15:45:42,232 INFO L197 IcfgInterpreter]: Interpreting procedure ldv__builtin_expect with input of size 220 for LOIs [2022-12-14 15:45:42,316 INFO L197 IcfgInterpreter]: Interpreting procedure clear_bit with input of size 227 for LOIs [2022-12-14 15:45:42,403 INFO L197 IcfgInterpreter]: Interpreting procedure sm_read_sector with input of size 318 for LOIs [2022-12-14 15:45:42,906 INFO L321 Elim1Store]: treesize reduction 60, result has 24.1 percent of original size [2022-12-14 15:45:42,906 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 [2022-12-14 15:45:42,926 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 [2022-12-14 15:45:43,287 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:45:43,289 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:45:43,290 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:45:43,290 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 [2022-12-14 15:45:43,302 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:45:43,311 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:45:43,311 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:45:43,312 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:45:43,313 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 [2022-12-14 15:45:44,153 INFO L321 Elim1Store]: treesize reduction 60, result has 24.1 percent of original size [2022-12-14 15:45:44,153 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 [2022-12-14 15:45:44,176 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 [2022-12-14 15:45:44,199 INFO L197 IcfgInterpreter]: Interpreting procedure ldv_undef_ulong with input of size 245 for LOIs [2022-12-14 15:45:44,368 INFO L197 IcfgInterpreter]: Interpreting procedure ldv_undef_int with input of size 174 for LOIs [2022-12-14 15:45:44,399 INFO L197 IcfgInterpreter]: Interpreting procedure #Ultimate.C_memset with input of size 328 for LOIs [2022-12-14 15:45:45,277 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 [2022-12-14 15:45:45,304 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 [2022-12-14 15:45:45,320 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 [2022-12-14 15:45:45,390 INFO L197 IcfgInterpreter]: Interpreting procedure ldv_xmalloc with input of size 945 for LOIs [2022-12-14 15:45:46,784 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:45:46,789 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:45:46,979 INFO L217 Elim1Store]: Index analysis took 218 ms [2022-12-14 15:45:48,561 INFO L321 Elim1Store]: treesize reduction 954, result has 33.4 percent of original size [2022-12-14 15:45:48,562 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 [2022-12-14 15:45:48,817 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:45:48,819 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:45:48,825 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 [2022-12-14 15:45:50,670 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:45:50,673 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:45:50,854 INFO L217 Elim1Store]: Index analysis took 206 ms [2022-12-14 15:45:53,059 INFO L321 Elim1Store]: treesize reduction 954, result has 33.4 percent of original size [2022-12-14 15:45:53,060 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 [2022-12-14 15:45:53,285 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:45:53,286 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:45:53,292 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 [2022-12-14 15:45:56,255 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:45:56,261 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:45:56,268 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:45:56,276 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:45:56,282 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:45:56,283 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:45:56,284 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:45:56,291 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:45:56,298 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:45:56,305 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:45:56,312 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:45:56,319 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:45:56,325 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:45:56,332 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:45:56,339 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:45:56,346 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:45:56,352 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:45:56,359 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:45:56,366 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:45:56,372 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:45:56,379 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:45:56,385 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:45:56,391 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:45:56,398 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:45:56,405 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:45:56,412 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:45:56,418 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:45:56,425 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:45:56,431 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:45:56,438 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:45:56,446 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:45:56,452 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:45:56,459 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:45:56,466 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:45:56,473 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:45:56,479 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:45:56,485 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:45:56,492 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:45:56,499 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:45:56,504 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:45:56,506 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:45:56,509 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:45:56,516 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:45:56,523 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:45:56,530 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:45:56,536 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:45:56,543 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:45:56,549 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:45:56,551 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:45:56,558 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:45:56,568 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:45:56,576 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:45:56,582 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:45:56,587 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:45:56,593 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:45:56,593 INFO L217 Elim1Store]: Index analysis took 346 ms [2022-12-14 15:45:56,597 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 [2022-12-14 15:45:56,752 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:45:56,757 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:45:56,758 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:45:56,762 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:45:56,765 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:45:56,766 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:45:56,767 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:45:56,770 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:45:56,782 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:45:56,786 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:45:56,796 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:45:57,970 INFO L321 Elim1Store]: treesize reduction 792, result has 33.4 percent of original size [2022-12-14 15:45:57,971 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 [2022-12-14 15:45:59,846 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:45:59,848 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:45:59,851 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:45:59,854 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:45:59,856 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:45:59,859 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:45:59,862 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:45:59,864 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:45:59,867 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:45:59,869 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:45:59,872 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:45:59,875 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:45:59,877 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:45:59,879 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:45:59,882 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:45:59,884 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:45:59,887 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:45:59,889 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:45:59,891 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:45:59,893 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:45:59,896 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:45:59,899 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:45:59,901 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:45:59,903 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:45:59,906 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:45:59,908 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:45:59,911 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:45:59,914 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:45:59,916 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:45:59,918 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:45:59,921 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:45:59,924 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:45:59,926 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:45:59,929 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:45:59,931 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:45:59,934 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:45:59,936 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:45:59,938 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:45:59,941 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:45:59,944 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:45:59,946 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:45:59,948 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:45:59,951 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:45:59,953 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:45:59,956 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:45:59,958 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:45:59,960 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:45:59,963 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:45:59,965 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:45:59,968 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:45:59,970 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:45:59,972 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:45:59,975 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:45:59,977 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:45:59,979 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:45:59,979 INFO L217 Elim1Store]: Index analysis took 135 ms [2022-12-14 15:45:59,983 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 [2022-12-14 15:46:00,205 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:46:00,207 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:46:00,209 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:46:00,210 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:46:00,215 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:46:00,216 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:46:00,217 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:46:00,218 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:46:00,219 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:46:00,221 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:46:00,222 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:46:00,223 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:46:00,224 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:46:00,225 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:46:00,229 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:46:00,230 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:46:00,231 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:46:00,232 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:46:00,233 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:46:00,234 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:46:00,235 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:46:00,236 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:46:00,238 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:46:00,239 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:46:00,240 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:46:00,241 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:46:00,243 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:46:00,245 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:46:00,246 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:46:00,247 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:46:00,248 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:46:00,249 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:46:00,250 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:46:00,251 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:46:00,254 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:46:00,255 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:46:00,256 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:46:00,257 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:46:00,257 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:46:00,258 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:46:00,259 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:46:00,260 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:46:00,261 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:46:00,262 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:46:00,263 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:46:00,264 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:46:00,265 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:46:00,266 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:46:00,505 INFO L321 Elim1Store]: treesize reduction 126, result has 33.7 percent of original size [2022-12-14 15:46:00,506 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 [2022-12-14 15:46:03,698 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:46:03,701 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:46:03,878 INFO L217 Elim1Store]: Index analysis took 202 ms [2022-12-14 15:46:06,340 INFO L321 Elim1Store]: treesize reduction 954, result has 33.4 percent of original size [2022-12-14 15:46:06,341 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 [2022-12-14 15:46:06,659 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:46:06,661 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:46:06,667 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 [2022-12-14 15:46:08,477 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:46:08,479 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:46:08,662 INFO L217 Elim1Store]: Index analysis took 207 ms [2022-12-14 15:46:10,719 INFO L321 Elim1Store]: treesize reduction 954, result has 33.4 percent of original size [2022-12-14 15:46:10,721 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 [2022-12-14 15:46:11,053 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:46:11,054 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:46:11,060 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 [2022-12-14 15:46:14,380 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:46:14,383 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:46:14,564 INFO L217 Elim1Store]: Index analysis took 206 ms [2022-12-14 15:46:16,671 INFO L321 Elim1Store]: treesize reduction 954, result has 33.4 percent of original size [2022-12-14 15:46:16,671 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 [2022-12-14 15:46:16,903 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:46:16,905 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:46:16,910 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 [2022-12-14 15:46:18,159 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:46:18,161 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:46:18,163 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:46:18,166 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:46:18,168 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:46:18,170 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:46:18,173 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:46:18,175 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:46:18,177 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:46:18,179 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:46:18,182 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:46:18,184 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:46:18,186 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:46:18,189 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:46:18,191 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:46:18,193 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:46:18,195 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:46:18,198 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:46:18,200 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:46:18,202 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:46:18,204 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:46:18,206 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:46:18,209 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:46:18,211 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:46:18,213 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:46:18,216 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:46:18,218 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:46:18,220 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:46:18,222 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:46:18,225 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:46:18,227 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:46:18,229 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:46:18,231 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:46:18,234 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:46:18,236 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:46:18,238 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:46:18,241 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:46:18,243 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:46:18,245 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:46:18,248 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:46:18,250 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:46:18,252 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:46:18,254 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:46:18,256 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:46:18,258 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:46:18,260 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:46:18,262 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:46:18,264 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:46:18,266 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:46:18,269 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:46:18,272 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:46:18,275 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:46:18,277 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:46:18,280 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:46:18,282 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:46:18,282 INFO L217 Elim1Store]: Index analysis took 126 ms [2022-12-14 15:46:18,285 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 [2022-12-14 15:46:18,496 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:46:18,497 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:46:18,498 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:46:18,499 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:46:18,501 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:46:18,502 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:46:18,503 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:46:18,504 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:46:18,505 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:46:18,506 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:46:18,508 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:46:18,508 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:46:18,510 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:46:18,511 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:46:18,514 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:46:18,514 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:46:18,516 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:46:18,517 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:46:18,518 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:46:18,521 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:46:18,523 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:46:18,524 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:46:18,526 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:46:18,527 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:46:18,528 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:46:18,529 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:46:18,530 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:46:18,531 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:46:18,532 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:46:18,533 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:46:18,534 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:46:18,536 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:46:18,536 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:46:18,537 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:46:18,538 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:46:18,539 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:46:18,542 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:46:18,542 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:46:18,543 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:46:18,544 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:46:18,546 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:46:18,546 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:46:18,547 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:46:18,880 INFO L321 Elim1Store]: treesize reduction 216, result has 33.5 percent of original size [2022-12-14 15:46:18,880 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 [2022-12-14 15:46:19,969 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:46:19,971 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:46:20,150 INFO L217 Elim1Store]: Index analysis took 201 ms [2022-12-14 15:46:22,564 INFO L321 Elim1Store]: treesize reduction 954, result has 33.4 percent of original size [2022-12-14 15:46:22,565 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 [2022-12-14 15:46:22,868 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:46:22,870 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:46:22,879 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 [2022-12-14 15:46:23,576 INFO L197 IcfgInterpreter]: Interpreting procedure ldv_assume with input of size 1178 for LOIs [2022-12-14 15:46:27,581 INFO L197 IcfgInterpreter]: Interpreting procedure ldv_is_err with input of size 980 for LOIs [2022-12-14 15:46:28,391 INFO L180 IcfgInterpreter]: Interpretation finished [2022-12-14 15:46:50,705 WARN L233 SmtUtils]: Spent 7.84s 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) [2022-12-14 15:46:59,891 WARN L233 SmtUtils]: Spent 8.95s 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) [2022-12-14 15:47:11,921 WARN L233 SmtUtils]: Spent 10.79s 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) [2022-12-14 15:47:22,202 WARN L233 SmtUtils]: Spent 9.94s 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) [2022-12-14 15:47:32,653 WARN L233 SmtUtils]: Spent 10.09s 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) [2022-12-14 15:47:43,350 WARN L233 SmtUtils]: Spent 10.29s 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) [2022-12-14 15:47:54,667 WARN L233 SmtUtils]: Spent 10.88s 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) [2022-12-14 15:48:16,058 WARN L233 SmtUtils]: Spent 12.45s 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) [2022-12-14 15:48:23,420 WARN L233 SmtUtils]: Spent 6.71s 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) [2022-12-14 15:48:31,164 WARN L233 SmtUtils]: Spent 7.13s 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) [2022-12-14 15:48:45,973 WARN L233 SmtUtils]: Spent 14.04s 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) [2022-12-14 15:49:00,166 WARN L233 SmtUtils]: Spent 13.32s 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) [2022-12-14 15:49:15,508 WARN L233 SmtUtils]: Spent 14.46s 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) [2022-12-14 15:49:30,989 WARN L233 SmtUtils]: Spent 14.61s 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) [2022-12-14 15:49:38,325 WARN L233 SmtUtils]: Spent 6.74s 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) [2022-12-14 15:51:15,619 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '73736#(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 [2022-12-14 15:51:15,619 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-12-14 15:51:15,619 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-12-14 15:51:15,619 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 9 [2022-12-14 15:51:15,619 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [966075732] [2022-12-14 15:51:15,619 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-12-14 15:51:15,620 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-12-14 15:51:15,620 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 15:51:15,620 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-12-14 15:51:15,621 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=356, Invalid=5650, Unknown=0, NotChecked=0, Total=6006 [2022-12-14 15:51:15,621 INFO L87 Difference]: Start difference. First operand 1040 states and 1404 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) [2022-12-14 15:51:19,343 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 15:51:19,343 INFO L93 Difference]: Finished difference Result 2077 states and 2845 transitions. [2022-12-14 15:51:19,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-12-14 15:51:19,345 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 [2022-12-14 15:51:19,345 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 15:51:19,350 INFO L225 Difference]: With dead ends: 2077 [2022-12-14 15:51:19,351 INFO L226 Difference]: Without dead ends: 1049 [2022-12-14 15:51:19,357 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 308 GetRequests, 224 SyntacticMatches, 3 SemanticMatches, 81 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2521 ImplicationChecksByTransitivity, 287.3s TimeCoverageRelationStatistics Valid=401, Invalid=6405, Unknown=0, NotChecked=0, Total=6806 [2022-12-14 15:51:19,357 INFO L413 NwaCegarLoop]: 1010 mSDtfsCounter, 8 mSDsluCounter, 4022 mSDsCounter, 0 mSdLazyCounter, 842 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 5032 SdHoareTripleChecker+Invalid, 857 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 842 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.4s IncrementalHoareTripleChecker+Time [2022-12-14 15:51:19,357 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 5032 Invalid, 857 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 842 Invalid, 0 Unknown, 0 Unchecked, 3.4s Time] [2022-12-14 15:51:19,359 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1049 states. [2022-12-14 15:51:19,454 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1049 to 1047. [2022-12-14 15:51:19,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1047 states, 643 states have (on average 1.2846034214618973) internal successors, (826), 681 states have internal predecessors, (826), 291 states have call successors, (291), 103 states have call predecessors, (291), 104 states have return successors, (295), 288 states have call predecessors, (295), 289 states have call successors, (295) [2022-12-14 15:51:19,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1047 states to 1047 states and 1412 transitions. [2022-12-14 15:51:19,457 INFO L78 Accepts]: Start accepts. Automaton has 1047 states and 1412 transitions. Word has length 100 [2022-12-14 15:51:19,457 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 15:51:19,457 INFO L495 AbstractCegarLoop]: Abstraction has 1047 states and 1412 transitions. [2022-12-14 15:51:19,458 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) [2022-12-14 15:51:19,458 INFO L276 IsEmpty]: Start isEmpty. Operand 1047 states and 1412 transitions. [2022-12-14 15:51:19,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2022-12-14 15:51:19,460 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 15:51:19,460 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] [2022-12-14 15:51:19,468 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28d23837-02f3-4a92-9ae3-7fb52e916186/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-12-14 15:51:19,661 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28d23837-02f3-4a92-9ae3-7fb52e916186/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 15:51:19,662 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)] === [2022-12-14 15:51:19,663 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 15:51:19,663 INFO L85 PathProgramCache]: Analyzing trace with hash 111319874, now seen corresponding path program 2 times [2022-12-14 15:51:19,663 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 15:51:19,664 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [417121731] [2022-12-14 15:51:19,664 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 15:51:19,664 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 15:51:19,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 15:51:20,000 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2022-12-14 15:51:20,001 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 15:51:20,001 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [417121731] [2022-12-14 15:51:20,001 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [417121731] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-14 15:51:20,001 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [841023157] [2022-12-14 15:51:20,001 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-12-14 15:51:20,001 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 15:51:20,001 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28d23837-02f3-4a92-9ae3-7fb52e916186/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 15:51:20,002 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28d23837-02f3-4a92-9ae3-7fb52e916186/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 15:51:20,003 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28d23837-02f3-4a92-9ae3-7fb52e916186/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-12-14 15:51:20,354 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2022-12-14 15:51:20,354 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-12-14 15:51:20,358 INFO L263 TraceCheckSpWp]: Trace formula consists of 1162 conjuncts, 14 conjunts are in the unsatisfiable core [2022-12-14 15:51:20,362 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 15:51:20,428 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 2 proven. 10 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2022-12-14 15:51:20,428 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 15:51:20,608 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2022-12-14 15:51:20,608 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [841023157] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-14 15:51:20,608 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [2092538030] [2022-12-14 15:51:20,612 INFO L159 IcfgInterpreter]: Started Sifa with 81 locations of interest [2022-12-14 15:51:20,612 INFO L166 IcfgInterpreter]: Building call graph [2022-12-14 15:51:20,613 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-12-14 15:51:20,613 INFO L176 IcfgInterpreter]: Starting interpretation [2022-12-14 15:51:20,613 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-12-14 15:51:22,662 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:51:24,304 INFO L321 Elim1Store]: treesize reduction 936, result has 33.4 percent of original size [2022-12-14 15:51:24,305 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 [2022-12-14 15:51:24,656 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:51:24,660 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 [2022-12-14 15:51:35,001 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 [2022-12-14 15:51:35,004 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 [2022-12-14 15:51:35,772 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:51:35,778 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 [2022-12-14 15:51:36,077 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:51:36,085 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 [2022-12-14 15:51:37,911 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:51:37,915 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 [2022-12-14 15:51:38,224 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:51:38,230 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 [2022-12-14 15:51:41,879 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:51:41,880 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:51:41,882 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:51:41,883 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:51:41,884 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:51:41,885 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:51:41,886 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 15:51:41,969 INFO L321 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2022-12-14 15:51:41,970 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 3293 [2022-12-14 15:51:42,410 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:51:42,411 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:51:42,412 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:51:42,413 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:51:42,413 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:51:42,414 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:51:42,415 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:51:42,416 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:51:42,418 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:51:42,419 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:51:42,423 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:51:42,424 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:51:42,426 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:51:42,427 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:51:42,428 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:51:42,429 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:51:42,429 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:51:42,432 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:51:42,433 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:51:42,436 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:51:42,439 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:51:42,450 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:51:42,451 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:51:42,452 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:51:42,453 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:51:42,454 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:51:42,455 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:51:42,456 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:51:42,457 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:51:42,458 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:51:42,459 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:51:42,460 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:51:42,461 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:51:42,463 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 15:51:42,464 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:51:42,465 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:51:42,466 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:51:42,467 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:51:42,468 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:51:42,469 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:51:42,470 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:51:42,471 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:51:42,472 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:51:42,473 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:51:42,474 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:51:42,475 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:51:42,476 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:51:42,477 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:51:42,478 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:51:42,479 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:51:42,480 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:51:42,481 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:51:42,482 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:51:42,483 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:51:42,484 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:51:42,485 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:51:42,486 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:51:42,487 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:51:42,488 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:51:42,489 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:51:42,490 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:51:42,491 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:51:42,492 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:51:42,493 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:51:42,494 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:51:42,495 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:51:42,496 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:51:42,497 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:51:42,498 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:51:42,500 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 15:51:42,501 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:51:42,502 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:51:42,503 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:51:42,504 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:51:42,505 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:51:42,506 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:51:42,507 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:51:42,508 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:51:42,509 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:51:42,511 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 15:51:42,512 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:51:42,631 INFO L321 Elim1Store]: treesize reduction 128, result has 41.0 percent of original size [2022-12-14 15:51:42,633 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 3335 treesize of output 3131 [2022-12-14 15:51:43,023 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:51:43,024 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:51:43,026 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:51:43,027 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:51:43,029 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:51:43,030 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:51:43,031 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 15:51:43,071 INFO L321 Elim1Store]: treesize reduction 17, result has 29.2 percent of original size [2022-12-14 15:51:43,073 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 3267 treesize of output 3217 [2022-12-14 15:54:06,620 WARN L233 SmtUtils]: Spent 5.49s on a formula simplification that was a NOOP. DAG size: 933 (called from [L 800] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2022-12-14 15:55:24,827 WARN L233 SmtUtils]: Spent 6.04s on a formula simplification that was a NOOP. DAG size: 950 (called from [L 800] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify)