./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--net--wireless--mwl8k.ko-entry_point.cil.out.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_f2d65479-99c9-4434-bd3d-052f3c15e97b/bin/utaipan-gh47qXpMRh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2d65479-99c9-4434-bd3d-052f3c15e97b/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_f2d65479-99c9-4434-bd3d-052f3c15e97b/bin/utaipan-gh47qXpMRh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2d65479-99c9-4434-bd3d-052f3c15e97b/bin/utaipan-gh47qXpMRh/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--net--wireless--mwl8k.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2d65479-99c9-4434-bd3d-052f3c15e97b/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_f2d65479-99c9-4434-bd3d-052f3c15e97b/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 a6e1397422f061401041ed8290b479ab382edc5aeb84d3f22471688ceb94ba00 --- 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 05:18:52,003 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 05:18:52,005 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 05:18:52,018 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 05:18:52,019 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 05:18:52,019 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 05:18:52,020 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 05:18:52,021 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 05:18:52,022 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 05:18:52,023 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 05:18:52,023 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 05:18:52,024 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 05:18:52,024 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 05:18:52,025 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 05:18:52,026 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 05:18:52,026 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 05:18:52,027 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 05:18:52,028 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 05:18:52,029 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 05:18:52,030 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 05:18:52,031 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 05:18:52,031 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 05:18:52,032 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 05:18:52,033 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 05:18:52,035 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 05:18:52,035 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 05:18:52,035 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 05:18:52,036 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 05:18:52,036 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 05:18:52,037 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 05:18:52,037 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 05:18:52,037 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 05:18:52,038 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 05:18:52,038 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 05:18:52,039 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 05:18:52,039 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 05:18:52,040 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 05:18:52,040 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 05:18:52,040 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 05:18:52,040 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 05:18:52,041 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 05:18:52,042 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2d65479-99c9-4434-bd3d-052f3c15e97b/bin/utaipan-gh47qXpMRh/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-12-14 05:18:52,056 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 05:18:52,056 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 05:18:52,056 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-14 05:18:52,056 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-14 05:18:52,057 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 05:18:52,057 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-14 05:18:52,057 INFO L138 SettingsManager]: * User list type=DISABLED [2022-12-14 05:18:52,057 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-12-14 05:18:52,062 INFO L138 SettingsManager]: * Explicit value domain=true [2022-12-14 05:18:52,063 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-12-14 05:18:52,063 INFO L138 SettingsManager]: * Octagon Domain=false [2022-12-14 05:18:52,063 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-12-14 05:18:52,063 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-12-14 05:18:52,063 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-12-14 05:18:52,063 INFO L138 SettingsManager]: * Interval Domain=false [2022-12-14 05:18:52,064 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-12-14 05:18:52,064 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-12-14 05:18:52,064 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-12-14 05:18:52,065 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 05:18:52,065 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 05:18:52,065 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 05:18:52,065 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 05:18:52,066 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 05:18:52,066 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 05:18:52,066 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 05:18:52,067 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 05:18:52,067 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 05:18:52,067 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 05:18:52,067 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-14 05:18:52,067 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 05:18:52,067 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 05:18:52,068 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-12-14 05:18:52,068 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 05:18:52,068 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 05:18:52,068 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-12-14 05:18:52,068 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 05:18:52,068 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 05:18:52,068 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-12-14 05:18:52,069 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_f2d65479-99c9-4434-bd3d-052f3c15e97b/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2d65479-99c9-4434-bd3d-052f3c15e97b/bin/utaipan-gh47qXpMRh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a6e1397422f061401041ed8290b479ab382edc5aeb84d3f22471688ceb94ba00 [2022-12-14 05:18:52,233 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 05:18:52,250 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 05:18:52,252 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 05:18:52,253 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 05:18:52,253 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 05:18:52,254 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2d65479-99c9-4434-bd3d-052f3c15e97b/bin/utaipan-gh47qXpMRh/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--net--wireless--mwl8k.ko-entry_point.cil.out.i [2022-12-14 05:18:54,757 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 05:18:55,267 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 05:18:55,268 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2d65479-99c9-4434-bd3d-052f3c15e97b/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--net--wireless--mwl8k.ko-entry_point.cil.out.i [2022-12-14 05:18:55,328 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2d65479-99c9-4434-bd3d-052f3c15e97b/bin/utaipan-gh47qXpMRh/data/8bfcf6aab/1cc6df34c67849749ce2bc8f5079b993/FLAG1c69786d9 [2022-12-14 05:18:55,842 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2d65479-99c9-4434-bd3d-052f3c15e97b/bin/utaipan-gh47qXpMRh/data/8bfcf6aab/1cc6df34c67849749ce2bc8f5079b993 [2022-12-14 05:18:55,847 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 05:18:55,848 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 05:18:55,850 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 05:18:55,850 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 05:18:55,855 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 05:18:55,855 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 05:18:55" (1/1) ... [2022-12-14 05:18:55,856 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3e82b851 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:18:55, skipping insertion in model container [2022-12-14 05:18:55,857 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 05:18:55" (1/1) ... [2022-12-14 05:18:55,863 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 05:18:55,955 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 05:18:56,418 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-12-14 05:18:56,440 WARN L623 FunctionHandler]: Unknown extern function __list_add [2022-12-14 05:18:56,702 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-12-14 05:18:56,708 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-12-14 05:18:56,742 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock [2022-12-14 05:18:56,747 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_bh [2022-12-14 05:18:56,752 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock [2022-12-14 05:18:56,757 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock_bh [2022-12-14 05:18:56,771 WARN L623 FunctionHandler]: Unknown extern function __msecs_to_jiffies [2022-12-14 05:18:56,781 WARN L623 FunctionHandler]: Unknown extern function __init_waitqueue_head [2022-12-14 05:18:56,814 WARN L623 FunctionHandler]: Unknown extern function lock_acquire [2022-12-14 05:18:56,819 WARN L623 FunctionHandler]: Unknown extern function lock_release [2022-12-14 05:18:56,828 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-12-14 05:18:56,829 WARN L623 FunctionHandler]: Unknown extern function rcu_is_watching [2022-12-14 05:18:56,829 WARN L623 FunctionHandler]: Unknown extern function lockdep_rcu_suspicious [2022-12-14 05:18:56,834 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-12-14 05:18:56,835 WARN L623 FunctionHandler]: Unknown extern function rcu_is_watching [2022-12-14 05:18:56,835 WARN L623 FunctionHandler]: Unknown extern function lockdep_rcu_suspicious [2022-12-14 05:18:56,928 WARN L623 FunctionHandler]: Unknown extern function __kmalloc [2022-12-14 05:18:56,934 WARN L623 FunctionHandler]: Unknown extern function __kmalloc [2022-12-14 05:18:57,072 WARN L623 FunctionHandler]: Unknown extern function request_threaded_irq [2022-12-14 05:18:57,109 WARN L623 FunctionHandler]: Unknown extern function __tasklet_schedule [2022-12-14 05:18:57,223 WARN L623 FunctionHandler]: Unknown extern function __phys_addr [2022-12-14 05:18:57,226 WARN L623 FunctionHandler]: Unknown extern function __phys_addr [2022-12-14 05:18:57,226 WARN L623 FunctionHandler]: Unknown extern function debug_dma_map_page [2022-12-14 05:18:57,232 WARN L623 FunctionHandler]: Unknown extern function debug_dma_unmap_page [2022-12-14 05:18:57,237 WARN L623 FunctionHandler]: Unknown extern function debug_dma_mapping_error [2022-12-14 05:18:57,250 WARN L623 FunctionHandler]: Unknown extern function dma_alloc_attrs [2022-12-14 05:18:57,255 WARN L623 FunctionHandler]: Unknown extern function dma_alloc_attrs [2022-12-14 05:18:57,265 WARN L623 FunctionHandler]: Unknown extern function dma_free_attrs [2022-12-14 05:18:57,357 WARN L623 FunctionHandler]: Unknown extern function __netdev_alloc_skb [2022-12-14 05:18:57,427 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-12-14 05:18:57,485 WARN L623 FunctionHandler]: Unknown extern function ieee80211_alloc_hw_nm [2022-12-14 05:18:57,526 WARN L623 FunctionHandler]: Unknown extern function ieee80211_beacon_get_tim [2022-12-14 05:18:57,595 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-14 05:18:57,596 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-14 05:18:57,597 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-14 05:18:57,602 WARN L623 FunctionHandler]: Unknown extern function release_firmware [2022-12-14 05:18:57,615 WARN L623 FunctionHandler]: Unknown extern function request_firmware_nowait [2022-12-14 05:18:57,615 WARN L623 FunctionHandler]: Unknown extern function request_firmware [2022-12-14 05:18:57,622 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 05:18:57,623 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 05:18:57,629 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-14 05:18:57,629 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-14 05:18:57,630 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-14 05:18:57,630 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-14 05:18:57,631 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-14 05:18:57,631 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-14 05:18:57,632 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-14 05:18:57,632 WARN L623 FunctionHandler]: Unknown extern function ___might_sleep [2022-12-14 05:18:57,632 WARN L623 FunctionHandler]: Unknown extern function _cond_resched [2022-12-14 05:18:57,633 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 05:18:57,640 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 05:18:57,647 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-14 05:18:57,649 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 05:18:57,650 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 05:18:57,656 WARN L623 FunctionHandler]: Unknown extern function memcmp [2022-12-14 05:18:57,658 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 05:18:57,659 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 05:18:57,660 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-14 05:18:57,661 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 05:18:57,661 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-14 05:18:57,662 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-14 05:18:57,662 WARN L623 FunctionHandler]: Unknown extern function ___might_sleep [2022-12-14 05:18:57,663 WARN L623 FunctionHandler]: Unknown extern function _cond_resched [2022-12-14 05:18:57,663 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 05:18:57,669 WARN L623 FunctionHandler]: Unknown extern function ieee80211_hdrlen [2022-12-14 05:18:57,671 WARN L623 FunctionHandler]: Unknown extern function skb_pull [2022-12-14 05:18:57,677 WARN L623 FunctionHandler]: Unknown extern function ieee80211_hdrlen [2022-12-14 05:18:57,678 WARN L623 FunctionHandler]: Unknown extern function pskb_expand_head [2022-12-14 05:18:57,678 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 05:18:57,679 WARN L623 FunctionHandler]: Unknown extern function skb_push [2022-12-14 05:18:57,705 WARN L623 FunctionHandler]: Unknown extern function ieee80211_channel_to_frequency [2022-12-14 05:18:57,724 WARN L623 FunctionHandler]: Unknown extern function ieee80211_channel_to_frequency [2022-12-14 05:18:57,732 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 05:18:57,750 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-12-14 05:18:57,751 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 05:18:57,762 WARN L623 FunctionHandler]: Unknown extern function skb_copy [2022-12-14 05:18:57,762 WARN L623 FunctionHandler]: Unknown extern function ieee80211_queue_work [2022-12-14 05:18:57,768 WARN L623 FunctionHandler]: Unknown extern function memcmp [2022-12-14 05:18:57,776 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-12-14 05:18:57,776 WARN L623 FunctionHandler]: Unknown extern function ieee80211_rx_irqsafe [2022-12-14 05:18:57,782 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 05:18:57,789 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-14 05:18:57,790 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-14 05:18:57,790 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-14 05:18:57,796 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 05:18:57,802 WARN L623 FunctionHandler]: Unknown extern function __might_sleep [2022-12-14 05:18:57,804 WARN L623 FunctionHandler]: Unknown extern function wait_for_completion_timeout [2022-12-14 05:18:57,804 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-12-14 05:18:57,805 WARN L623 FunctionHandler]: Unknown extern function dev_notice [2022-12-14 05:18:57,805 WARN L623 FunctionHandler]: Unknown extern function dev_notice [2022-12-14 05:18:57,806 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 05:18:57,806 WARN L623 FunctionHandler]: Unknown extern function ieee80211_queue_work [2022-12-14 05:18:57,820 WARN L623 FunctionHandler]: Unknown extern function ieee80211_find_sta_by_ifaddr [2022-12-14 05:18:57,822 WARN L623 FunctionHandler]: Unknown extern function ieee80211_tx_status_irqsafe [2022-12-14 05:18:57,829 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 05:18:57,836 WARN L623 FunctionHandler]: Unknown extern function dev_printk [2022-12-14 05:18:57,843 WARN L623 FunctionHandler]: Unknown extern function ieee80211_start_tx_ba_session [2022-12-14 05:18:57,844 WARN L623 FunctionHandler]: Unknown extern function dev_printk [2022-12-14 05:18:57,844 WARN L623 FunctionHandler]: Unknown extern function dev_printk [2022-12-14 05:18:57,849 WARN L623 FunctionHandler]: Unknown extern function dev_printk [2022-12-14 05:18:57,855 WARN L623 FunctionHandler]: Unknown extern function memcmp [2022-12-14 05:18:57,877 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-12-14 05:18:57,877 WARN L623 FunctionHandler]: Unknown extern function dev_warn [2022-12-14 05:18:57,878 WARN L623 FunctionHandler]: Unknown extern function consume_skb [2022-12-14 05:18:57,879 WARN L623 FunctionHandler]: Unknown extern function dev_printk [2022-12-14 05:18:57,880 WARN L623 FunctionHandler]: Unknown extern function consume_skb [2022-12-14 05:18:57,881 WARN L623 FunctionHandler]: Unknown extern function consume_skb [2022-12-14 05:18:57,883 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-14 05:18:57,892 WARN L623 FunctionHandler]: Unknown extern function ieee80211_stop_queues [2022-12-14 05:18:57,892 WARN L623 FunctionHandler]: Unknown extern function ieee80211_wake_queues [2022-12-14 05:18:57,899 WARN L623 FunctionHandler]: Unknown extern function ieee80211_wake_queues [2022-12-14 05:18:57,909 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-14 05:18:57,911 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-14 05:18:57,912 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-14 05:18:57,912 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-14 05:18:57,912 WARN L623 FunctionHandler]: Unknown extern function wait_for_completion_timeout [2022-12-14 05:18:57,913 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 05:18:57,913 WARN L623 FunctionHandler]: Unknown extern function jiffies_to_msecs [2022-12-14 05:18:57,914 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 05:18:57,915 WARN L623 FunctionHandler]: Unknown extern function dev_notice [2022-12-14 05:18:57,950 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 05:18:57,956 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 05:18:57,957 WARN L623 FunctionHandler]: Unknown extern function dev_warn [2022-12-14 05:18:57,958 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-14 05:18:57,959 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-14 05:18:57,960 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 05:18:57,967 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 05:18:57,980 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 05:18:57,985 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 05:18:58,005 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 05:18:58,011 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 05:18:58,018 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 05:18:58,023 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 05:18:58,028 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 05:18:58,033 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 05:18:58,038 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 05:18:58,050 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 05:18:58,050 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-14 05:18:58,050 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-14 05:18:58,051 WARN L623 FunctionHandler]: Unknown extern function jiffies_to_msecs [2022-12-14 05:18:58,058 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 05:18:58,069 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 05:18:58,075 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 05:18:58,080 WARN L623 FunctionHandler]: Unknown extern function ieee80211_hdrlen [2022-12-14 05:18:58,081 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 05:18:58,087 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 05:18:58,092 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 05:18:58,098 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 05:18:58,104 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 05:18:58,109 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 05:18:58,115 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 05:18:58,120 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 05:18:58,125 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 05:18:58,132 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 05:18:58,147 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 05:18:58,152 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 05:18:58,161 WARN L623 FunctionHandler]: Unknown extern function ieee80211_stop_tx_ba_session [2022-12-14 05:18:58,162 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-14 05:18:58,162 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-14 05:18:58,168 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 05:18:58,176 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 05:18:58,182 WARN L623 FunctionHandler]: Unknown extern function dev_printk [2022-12-14 05:18:58,183 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 05:18:58,184 WARN L623 FunctionHandler]: Unknown extern function dev_printk [2022-12-14 05:18:58,184 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 05:18:58,191 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 05:18:58,198 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 05:18:58,203 WARN L623 FunctionHandler]: Unknown extern function memcmp [2022-12-14 05:18:58,204 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 05:18:58,209 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 05:18:58,231 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 05:18:58,238 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 05:18:58,254 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 05:18:58,260 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 05:18:58,265 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-14 05:18:58,266 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-14 05:18:58,266 WARN L623 FunctionHandler]: Unknown extern function ieee80211_queue_work [2022-12-14 05:18:58,266 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-14 05:18:58,267 WARN L623 FunctionHandler]: Unknown extern function complete [2022-12-14 05:18:58,273 WARN L623 FunctionHandler]: Unknown extern function complete [2022-12-14 05:18:58,284 WARN L623 FunctionHandler]: Unknown extern function dev_printk [2022-12-14 05:18:58,284 WARN L623 FunctionHandler]: Unknown extern function consume_skb [2022-12-14 05:18:58,290 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 05:18:58,290 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-14 05:18:58,291 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-14 05:18:58,292 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-14 05:18:58,292 WARN L623 FunctionHandler]: Unknown extern function ieee80211_wake_queues [2022-12-14 05:18:58,297 WARN L623 FunctionHandler]: Unknown extern function ieee80211_stop_queues [2022-12-14 05:18:58,297 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-14 05:18:58,298 WARN L623 FunctionHandler]: Unknown extern function consume_skb [2022-12-14 05:18:58,309 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-12-14 05:18:58,310 WARN L623 FunctionHandler]: Unknown extern function dev_warn [2022-12-14 05:18:58,317 WARN L623 FunctionHandler]: Unknown extern function list_del [2022-12-14 05:18:58,327 WARN L623 FunctionHandler]: Unknown extern function complete [2022-12-14 05:18:58,328 WARN L623 FunctionHandler]: Unknown extern function ieee80211_restart_hw [2022-12-14 05:18:58,328 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 05:18:58,329 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 05:18:58,340 WARN L623 FunctionHandler]: Unknown extern function ieee80211_find_sta [2022-12-14 05:18:58,349 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-12-14 05:18:58,365 WARN L623 FunctionHandler]: Unknown extern function net_ratelimit [2022-12-14 05:18:58,365 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-12-14 05:18:58,376 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 05:18:58,377 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 05:18:58,377 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 05:18:58,378 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 05:18:58,378 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 05:18:58,417 WARN L623 FunctionHandler]: Unknown extern function dev_warn [2022-12-14 05:18:58,418 WARN L623 FunctionHandler]: Unknown extern function dev_printk [2022-12-14 05:18:58,419 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-14 05:18:58,419 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 05:18:58,419 WARN L623 FunctionHandler]: Unknown extern function ieee80211_start_tx_ba_cb_irqsafe [2022-12-14 05:18:58,420 WARN L623 FunctionHandler]: Unknown extern function ieee80211_stop_tx_ba_cb_irqsafe [2022-12-14 05:18:58,421 WARN L623 FunctionHandler]: Unknown extern function dev_printk [2022-12-14 05:18:58,427 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-14 05:18:58,427 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-14 05:18:58,432 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-14 05:18:58,433 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-14 05:18:58,439 WARN L623 FunctionHandler]: Unknown extern function cfg80211_find_ie [2022-12-14 05:18:58,440 WARN L623 FunctionHandler]: Unknown extern function consume_skb [2022-12-14 05:18:58,447 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 05:18:58,447 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 05:18:58,453 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 05:18:58,454 WARN L623 FunctionHandler]: Unknown extern function complete [2022-12-14 05:18:58,455 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 05:18:58,455 WARN L623 FunctionHandler]: Unknown extern function complete [2022-12-14 05:18:58,455 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 05:18:58,456 WARN L623 FunctionHandler]: Unknown extern function complete [2022-12-14 05:18:58,456 WARN L623 FunctionHandler]: Unknown extern function device_release_driver [2022-12-14 05:18:58,462 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 05:18:58,462 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 05:18:58,463 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 05:18:58,463 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-14 05:18:58,468 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-14 05:18:58,474 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 05:18:58,475 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-14 05:18:58,475 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-14 05:18:58,476 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-14 05:18:58,476 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-14 05:18:58,476 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 05:18:58,477 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-14 05:18:58,477 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 05:18:58,477 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 05:18:58,478 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 05:18:58,478 WARN L623 FunctionHandler]: Unknown extern function dev_warn [2022-12-14 05:18:58,479 WARN L623 FunctionHandler]: Unknown extern function dev_warn [2022-12-14 05:18:58,479 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-14 05:18:58,479 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-12-14 05:18:58,480 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-14 05:18:58,482 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 05:18:58,483 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 05:18:58,484 WARN L623 FunctionHandler]: Unknown extern function __init_work [2022-12-14 05:18:58,484 WARN L623 FunctionHandler]: Unknown extern function lockdep_init_map [2022-12-14 05:18:58,485 WARN L623 FunctionHandler]: Unknown extern function __init_work [2022-12-14 05:18:58,485 WARN L623 FunctionHandler]: Unknown extern function lockdep_init_map [2022-12-14 05:18:58,485 WARN L623 FunctionHandler]: Unknown extern function __init_work [2022-12-14 05:18:58,485 WARN L623 FunctionHandler]: Unknown extern function lockdep_init_map [2022-12-14 05:18:58,486 WARN L623 FunctionHandler]: Unknown extern function tasklet_init [2022-12-14 05:18:58,486 WARN L623 FunctionHandler]: Unknown extern function tasklet_init [2022-12-14 05:18:58,486 WARN L623 FunctionHandler]: Unknown extern function __mutex_init [2022-12-14 05:18:58,487 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-12-14 05:18:58,487 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-12-14 05:18:58,488 WARN L623 FunctionHandler]: Unknown extern function ieee80211_register_hw [2022-12-14 05:18:58,489 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 05:18:58,494 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 05:18:58,495 WARN L623 FunctionHandler]: Unknown extern function pci_enable_device [2022-12-14 05:18:58,495 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 05:18:58,495 WARN L623 FunctionHandler]: Unknown extern function pci_request_regions [2022-12-14 05:18:58,496 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 05:18:58,496 WARN L623 FunctionHandler]: Unknown extern function pci_set_master [2022-12-14 05:18:58,497 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 05:18:58,497 WARN L623 FunctionHandler]: Unknown extern function pci_iomap [2022-12-14 05:18:58,498 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 05:18:58,498 WARN L623 FunctionHandler]: Unknown extern function pci_iomap [2022-12-14 05:18:58,498 WARN L623 FunctionHandler]: Unknown extern function pci_iomap [2022-12-14 05:18:58,499 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 05:18:58,500 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 05:18:58,500 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 05:18:58,501 WARN L623 FunctionHandler]: Unknown extern function pci_iounmap [2022-12-14 05:18:58,501 WARN L623 FunctionHandler]: Unknown extern function pci_iounmap [2022-12-14 05:18:58,501 WARN L623 FunctionHandler]: Unknown extern function pci_release_regions [2022-12-14 05:18:58,502 WARN L623 FunctionHandler]: Unknown extern function pci_disable_device [2022-12-14 05:18:58,507 WARN L623 FunctionHandler]: Unknown extern function wait_for_completion [2022-12-14 05:18:58,508 WARN L623 FunctionHandler]: Unknown extern function ieee80211_stop_queues [2022-12-14 05:18:58,508 WARN L623 FunctionHandler]: Unknown extern function ieee80211_unregister_hw [2022-12-14 05:18:58,508 WARN L623 FunctionHandler]: Unknown extern function tasklet_kill [2022-12-14 05:18:58,508 WARN L623 FunctionHandler]: Unknown extern function tasklet_kill [2022-12-14 05:18:58,509 WARN L623 FunctionHandler]: Unknown extern function pci_iounmap [2022-12-14 05:18:58,509 WARN L623 FunctionHandler]: Unknown extern function pci_iounmap [2022-12-14 05:18:58,509 WARN L623 FunctionHandler]: Unknown extern function pci_release_regions [2022-12-14 05:18:58,510 WARN L623 FunctionHandler]: Unknown extern function pci_disable_device [2022-12-14 05:18:58,552 WARN L623 FunctionHandler]: Unknown extern function ldv_initialize [2022-12-14 05:18:58,553 WARN L623 FunctionHandler]: Unknown extern function ldv_shutdown_6 [2022-12-14 05:18:58,559 WARN L623 FunctionHandler]: Unknown extern function queue_work_on [2022-12-14 05:18:58,560 WARN L623 FunctionHandler]: Unknown extern function queue_delayed_work_on [2022-12-14 05:18:58,560 WARN L623 FunctionHandler]: Unknown extern function queue_work_on [2022-12-14 05:18:58,560 WARN L623 FunctionHandler]: Unknown extern function flush_workqueue [2022-12-14 05:18:58,560 WARN L623 FunctionHandler]: Unknown extern function queue_delayed_work_on [2022-12-14 05:18:58,561 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 05:18:58,561 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 05:18:58,561 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 05:18:58,561 WARN L623 FunctionHandler]: Unknown extern function mutex_trylock [2022-12-14 05:18:58,562 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 05:18:58,562 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 05:18:58,562 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 05:18:58,562 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 05:18:58,562 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 05:18:58,562 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 05:18:58,563 WARN L623 FunctionHandler]: Unknown extern function free_irq [2022-12-14 05:18:58,564 WARN L623 FunctionHandler]: Unknown extern function free_irq [2022-12-14 05:18:58,564 WARN L623 FunctionHandler]: Unknown extern function cancel_work_sync [2022-12-14 05:18:58,564 WARN L623 FunctionHandler]: Unknown extern function cancel_work_sync [2022-12-14 05:18:58,565 WARN L623 FunctionHandler]: Unknown extern function free_irq [2022-12-14 05:18:58,565 WARN L623 FunctionHandler]: Unknown extern function free_irq [2022-12-14 05:18:58,565 WARN L623 FunctionHandler]: Unknown extern function ieee80211_free_hw [2022-12-14 05:18:58,566 WARN L623 FunctionHandler]: Unknown extern function ieee80211_free_hw [2022-12-14 05:18:58,566 WARN L623 FunctionHandler]: Unknown extern function __pci_register_driver [2022-12-14 05:18:58,566 WARN L623 FunctionHandler]: Unknown extern function pci_unregister_driver [2022-12-14 05:18:58,571 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2d65479-99c9-4434-bd3d-052f3c15e97b/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--net--wireless--mwl8k.ko-entry_point.cil.out.i[462027,462040] [2022-12-14 05:18:58,751 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 05:18:58,785 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 05:18:58,910 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-12-14 05:18:58,911 WARN L623 FunctionHandler]: Unknown extern function __list_add [2022-12-14 05:18:58,915 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-12-14 05:18:58,916 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-12-14 05:18:58,916 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock [2022-12-14 05:18:58,917 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_bh [2022-12-14 05:18:58,917 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock [2022-12-14 05:18:58,917 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock_bh [2022-12-14 05:18:58,918 WARN L623 FunctionHandler]: Unknown extern function __msecs_to_jiffies [2022-12-14 05:18:58,918 WARN L623 FunctionHandler]: Unknown extern function __init_waitqueue_head [2022-12-14 05:18:58,919 WARN L623 FunctionHandler]: Unknown extern function lock_acquire [2022-12-14 05:18:58,920 WARN L623 FunctionHandler]: Unknown extern function lock_release [2022-12-14 05:18:58,920 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-12-14 05:18:58,920 WARN L623 FunctionHandler]: Unknown extern function rcu_is_watching [2022-12-14 05:18:58,921 WARN L623 FunctionHandler]: Unknown extern function lockdep_rcu_suspicious [2022-12-14 05:18:58,921 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-12-14 05:18:58,921 WARN L623 FunctionHandler]: Unknown extern function rcu_is_watching [2022-12-14 05:18:58,921 WARN L623 FunctionHandler]: Unknown extern function lockdep_rcu_suspicious [2022-12-14 05:18:58,922 WARN L623 FunctionHandler]: Unknown extern function __kmalloc [2022-12-14 05:18:58,923 WARN L623 FunctionHandler]: Unknown extern function __kmalloc [2022-12-14 05:18:58,925 WARN L623 FunctionHandler]: Unknown extern function request_threaded_irq [2022-12-14 05:18:58,926 WARN L623 FunctionHandler]: Unknown extern function __tasklet_schedule [2022-12-14 05:18:58,930 WARN L623 FunctionHandler]: Unknown extern function __phys_addr [2022-12-14 05:18:58,931 WARN L623 FunctionHandler]: Unknown extern function __phys_addr [2022-12-14 05:18:58,931 WARN L623 FunctionHandler]: Unknown extern function debug_dma_map_page [2022-12-14 05:18:58,934 WARN L623 FunctionHandler]: Unknown extern function debug_dma_unmap_page [2022-12-14 05:18:58,934 WARN L623 FunctionHandler]: Unknown extern function debug_dma_mapping_error [2022-12-14 05:18:58,935 WARN L623 FunctionHandler]: Unknown extern function dma_alloc_attrs [2022-12-14 05:18:58,935 WARN L623 FunctionHandler]: Unknown extern function dma_alloc_attrs [2022-12-14 05:18:58,935 WARN L623 FunctionHandler]: Unknown extern function dma_free_attrs [2022-12-14 05:18:58,937 WARN L623 FunctionHandler]: Unknown extern function __netdev_alloc_skb [2022-12-14 05:18:58,939 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-12-14 05:18:58,941 WARN L623 FunctionHandler]: Unknown extern function ieee80211_alloc_hw_nm [2022-12-14 05:18:58,941 WARN L623 FunctionHandler]: Unknown extern function ieee80211_beacon_get_tim [2022-12-14 05:18:58,947 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-14 05:18:58,948 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-14 05:18:58,948 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-14 05:18:58,948 WARN L623 FunctionHandler]: Unknown extern function release_firmware [2022-12-14 05:18:58,949 WARN L623 FunctionHandler]: Unknown extern function request_firmware_nowait [2022-12-14 05:18:58,949 WARN L623 FunctionHandler]: Unknown extern function request_firmware [2022-12-14 05:18:58,950 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 05:18:58,951 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 05:18:58,951 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-14 05:18:58,951 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-14 05:18:58,951 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-14 05:18:58,952 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-14 05:18:58,952 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-14 05:18:58,952 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-14 05:18:58,952 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-14 05:18:58,952 WARN L623 FunctionHandler]: Unknown extern function ___might_sleep [2022-12-14 05:18:58,952 WARN L623 FunctionHandler]: Unknown extern function _cond_resched [2022-12-14 05:18:58,952 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 05:18:58,954 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 05:18:58,954 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-14 05:18:58,955 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 05:18:58,955 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 05:18:58,956 WARN L623 FunctionHandler]: Unknown extern function memcmp [2022-12-14 05:18:58,956 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 05:18:58,956 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 05:18:58,957 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-14 05:18:58,957 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 05:18:58,957 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-14 05:18:58,957 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-14 05:18:58,958 WARN L623 FunctionHandler]: Unknown extern function ___might_sleep [2022-12-14 05:18:58,958 WARN L623 FunctionHandler]: Unknown extern function _cond_resched [2022-12-14 05:18:58,958 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 05:18:58,958 WARN L623 FunctionHandler]: Unknown extern function ieee80211_hdrlen [2022-12-14 05:18:58,959 WARN L623 FunctionHandler]: Unknown extern function skb_pull [2022-12-14 05:18:58,959 WARN L623 FunctionHandler]: Unknown extern function ieee80211_hdrlen [2022-12-14 05:18:58,960 WARN L623 FunctionHandler]: Unknown extern function pskb_expand_head [2022-12-14 05:18:58,960 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 05:18:58,960 WARN L623 FunctionHandler]: Unknown extern function skb_push [2022-12-14 05:18:58,963 WARN L623 FunctionHandler]: Unknown extern function ieee80211_channel_to_frequency [2022-12-14 05:18:58,965 WARN L623 FunctionHandler]: Unknown extern function ieee80211_channel_to_frequency [2022-12-14 05:18:58,967 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 05:18:58,969 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-12-14 05:18:58,970 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 05:18:58,971 WARN L623 FunctionHandler]: Unknown extern function skb_copy [2022-12-14 05:18:58,971 WARN L623 FunctionHandler]: Unknown extern function ieee80211_queue_work [2022-12-14 05:18:58,971 WARN L623 FunctionHandler]: Unknown extern function memcmp [2022-12-14 05:18:58,973 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-12-14 05:18:58,974 WARN L623 FunctionHandler]: Unknown extern function ieee80211_rx_irqsafe [2022-12-14 05:18:58,975 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 05:18:58,976 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-14 05:18:58,976 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-14 05:18:58,976 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-14 05:18:58,977 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 05:18:58,979 WARN L623 FunctionHandler]: Unknown extern function __might_sleep [2022-12-14 05:18:58,979 WARN L623 FunctionHandler]: Unknown extern function wait_for_completion_timeout [2022-12-14 05:18:58,980 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-12-14 05:18:58,980 WARN L623 FunctionHandler]: Unknown extern function dev_notice [2022-12-14 05:18:58,980 WARN L623 FunctionHandler]: Unknown extern function dev_notice [2022-12-14 05:18:58,981 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 05:18:58,981 WARN L623 FunctionHandler]: Unknown extern function ieee80211_queue_work [2022-12-14 05:18:58,983 WARN L623 FunctionHandler]: Unknown extern function ieee80211_find_sta_by_ifaddr [2022-12-14 05:18:58,984 WARN L623 FunctionHandler]: Unknown extern function ieee80211_tx_status_irqsafe [2022-12-14 05:18:58,985 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 05:18:58,986 WARN L623 FunctionHandler]: Unknown extern function dev_printk [2022-12-14 05:18:58,986 WARN L623 FunctionHandler]: Unknown extern function ieee80211_start_tx_ba_session [2022-12-14 05:18:58,986 WARN L623 FunctionHandler]: Unknown extern function dev_printk [2022-12-14 05:18:58,987 WARN L623 FunctionHandler]: Unknown extern function dev_printk [2022-12-14 05:18:58,987 WARN L623 FunctionHandler]: Unknown extern function dev_printk [2022-12-14 05:18:58,988 WARN L623 FunctionHandler]: Unknown extern function memcmp [2022-12-14 05:18:58,992 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-12-14 05:18:58,993 WARN L623 FunctionHandler]: Unknown extern function dev_warn [2022-12-14 05:18:58,993 WARN L623 FunctionHandler]: Unknown extern function consume_skb [2022-12-14 05:18:58,994 WARN L623 FunctionHandler]: Unknown extern function dev_printk [2022-12-14 05:18:58,994 WARN L623 FunctionHandler]: Unknown extern function consume_skb [2022-12-14 05:18:58,994 WARN L623 FunctionHandler]: Unknown extern function consume_skb [2022-12-14 05:18:58,995 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-14 05:18:58,997 WARN L623 FunctionHandler]: Unknown extern function ieee80211_stop_queues [2022-12-14 05:18:58,997 WARN L623 FunctionHandler]: Unknown extern function ieee80211_wake_queues [2022-12-14 05:18:58,997 WARN L623 FunctionHandler]: Unknown extern function ieee80211_wake_queues [2022-12-14 05:18:59,000 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-14 05:18:59,001 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-14 05:18:59,001 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-14 05:18:59,001 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-14 05:18:59,001 WARN L623 FunctionHandler]: Unknown extern function wait_for_completion_timeout [2022-12-14 05:18:59,001 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 05:18:59,002 WARN L623 FunctionHandler]: Unknown extern function jiffies_to_msecs [2022-12-14 05:18:59,002 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 05:18:59,002 WARN L623 FunctionHandler]: Unknown extern function dev_notice [2022-12-14 05:18:59,008 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 05:18:59,008 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 05:18:59,009 WARN L623 FunctionHandler]: Unknown extern function dev_warn [2022-12-14 05:18:59,009 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-14 05:18:59,010 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-14 05:18:59,010 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 05:18:59,012 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 05:18:59,014 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 05:18:59,014 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 05:18:59,015 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 05:18:59,016 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 05:18:59,017 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 05:18:59,017 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 05:18:59,018 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 05:18:59,018 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 05:18:59,019 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 05:18:59,020 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 05:18:59,020 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-14 05:18:59,020 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-14 05:18:59,021 WARN L623 FunctionHandler]: Unknown extern function jiffies_to_msecs [2022-12-14 05:18:59,022 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 05:18:59,024 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 05:18:59,024 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 05:18:59,039 WARN L623 FunctionHandler]: Unknown extern function ieee80211_hdrlen [2022-12-14 05:18:59,040 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 05:18:59,040 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 05:18:59,041 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 05:18:59,042 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 05:18:59,042 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 05:18:59,043 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 05:18:59,043 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 05:18:59,044 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 05:18:59,044 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 05:18:59,046 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 05:18:59,046 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 05:18:59,047 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 05:18:59,048 WARN L623 FunctionHandler]: Unknown extern function ieee80211_stop_tx_ba_session [2022-12-14 05:18:59,048 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-14 05:18:59,048 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-14 05:18:59,049 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 05:18:59,051 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 05:18:59,052 WARN L623 FunctionHandler]: Unknown extern function dev_printk [2022-12-14 05:18:59,052 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 05:18:59,053 WARN L623 FunctionHandler]: Unknown extern function dev_printk [2022-12-14 05:18:59,053 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 05:18:59,054 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 05:18:59,055 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 05:18:59,055 WARN L623 FunctionHandler]: Unknown extern function memcmp [2022-12-14 05:18:59,056 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 05:18:59,057 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 05:18:59,059 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 05:18:59,059 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 05:18:59,061 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 05:18:59,062 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 05:18:59,062 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-14 05:18:59,063 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-14 05:18:59,063 WARN L623 FunctionHandler]: Unknown extern function ieee80211_queue_work [2022-12-14 05:18:59,063 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-14 05:18:59,063 WARN L623 FunctionHandler]: Unknown extern function complete [2022-12-14 05:18:59,064 WARN L623 FunctionHandler]: Unknown extern function complete [2022-12-14 05:18:59,065 WARN L623 FunctionHandler]: Unknown extern function dev_printk [2022-12-14 05:18:59,065 WARN L623 FunctionHandler]: Unknown extern function consume_skb [2022-12-14 05:18:59,066 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 05:18:59,066 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-14 05:18:59,066 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-14 05:18:59,067 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-14 05:18:59,067 WARN L623 FunctionHandler]: Unknown extern function ieee80211_wake_queues [2022-12-14 05:18:59,067 WARN L623 FunctionHandler]: Unknown extern function ieee80211_stop_queues [2022-12-14 05:18:59,068 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-14 05:18:59,068 WARN L623 FunctionHandler]: Unknown extern function consume_skb [2022-12-14 05:18:59,068 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-12-14 05:18:59,069 WARN L623 FunctionHandler]: Unknown extern function dev_warn [2022-12-14 05:18:59,070 WARN L623 FunctionHandler]: Unknown extern function list_del [2022-12-14 05:18:59,071 WARN L623 FunctionHandler]: Unknown extern function complete [2022-12-14 05:18:59,071 WARN L623 FunctionHandler]: Unknown extern function ieee80211_restart_hw [2022-12-14 05:18:59,072 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 05:18:59,072 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 05:18:59,073 WARN L623 FunctionHandler]: Unknown extern function ieee80211_find_sta [2022-12-14 05:18:59,076 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-12-14 05:18:59,077 WARN L623 FunctionHandler]: Unknown extern function net_ratelimit [2022-12-14 05:18:59,077 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-12-14 05:18:59,078 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 05:18:59,078 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 05:18:59,078 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 05:18:59,079 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 05:18:59,079 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 05:18:59,082 WARN L623 FunctionHandler]: Unknown extern function dev_warn [2022-12-14 05:18:59,083 WARN L623 FunctionHandler]: Unknown extern function dev_printk [2022-12-14 05:18:59,083 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-14 05:18:59,083 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 05:18:59,084 WARN L623 FunctionHandler]: Unknown extern function ieee80211_start_tx_ba_cb_irqsafe [2022-12-14 05:18:59,084 WARN L623 FunctionHandler]: Unknown extern function ieee80211_stop_tx_ba_cb_irqsafe [2022-12-14 05:18:59,085 WARN L623 FunctionHandler]: Unknown extern function dev_printk [2022-12-14 05:18:59,085 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-14 05:18:59,086 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-14 05:18:59,086 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-14 05:18:59,086 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-14 05:18:59,087 WARN L623 FunctionHandler]: Unknown extern function cfg80211_find_ie [2022-12-14 05:18:59,087 WARN L623 FunctionHandler]: Unknown extern function consume_skb [2022-12-14 05:18:59,089 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 05:18:59,089 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 05:18:59,090 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 05:18:59,090 WARN L623 FunctionHandler]: Unknown extern function complete [2022-12-14 05:18:59,090 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 05:18:59,091 WARN L623 FunctionHandler]: Unknown extern function complete [2022-12-14 05:18:59,091 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 05:18:59,091 WARN L623 FunctionHandler]: Unknown extern function complete [2022-12-14 05:18:59,091 WARN L623 FunctionHandler]: Unknown extern function device_release_driver [2022-12-14 05:18:59,092 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 05:18:59,092 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 05:18:59,092 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 05:18:59,092 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-14 05:18:59,093 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-14 05:18:59,093 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 05:18:59,094 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-14 05:18:59,094 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-14 05:18:59,094 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-14 05:18:59,094 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-14 05:18:59,095 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 05:18:59,095 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-14 05:18:59,095 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 05:18:59,095 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 05:18:59,096 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 05:18:59,096 WARN L623 FunctionHandler]: Unknown extern function dev_warn [2022-12-14 05:18:59,096 WARN L623 FunctionHandler]: Unknown extern function dev_warn [2022-12-14 05:18:59,096 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-14 05:18:59,096 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-12-14 05:18:59,097 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-14 05:18:59,098 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 05:18:59,099 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 05:18:59,100 WARN L623 FunctionHandler]: Unknown extern function __init_work [2022-12-14 05:18:59,100 WARN L623 FunctionHandler]: Unknown extern function lockdep_init_map [2022-12-14 05:18:59,100 WARN L623 FunctionHandler]: Unknown extern function __init_work [2022-12-14 05:18:59,100 WARN L623 FunctionHandler]: Unknown extern function lockdep_init_map [2022-12-14 05:18:59,100 WARN L623 FunctionHandler]: Unknown extern function __init_work [2022-12-14 05:18:59,101 WARN L623 FunctionHandler]: Unknown extern function lockdep_init_map [2022-12-14 05:18:59,101 WARN L623 FunctionHandler]: Unknown extern function tasklet_init [2022-12-14 05:18:59,101 WARN L623 FunctionHandler]: Unknown extern function tasklet_init [2022-12-14 05:18:59,101 WARN L623 FunctionHandler]: Unknown extern function __mutex_init [2022-12-14 05:18:59,102 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-12-14 05:18:59,102 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-12-14 05:18:59,103 WARN L623 FunctionHandler]: Unknown extern function ieee80211_register_hw [2022-12-14 05:18:59,103 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 05:18:59,104 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 05:18:59,104 WARN L623 FunctionHandler]: Unknown extern function pci_enable_device [2022-12-14 05:18:59,104 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 05:18:59,104 WARN L623 FunctionHandler]: Unknown extern function pci_request_regions [2022-12-14 05:18:59,104 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 05:18:59,105 WARN L623 FunctionHandler]: Unknown extern function pci_set_master [2022-12-14 05:18:59,105 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 05:18:59,105 WARN L623 FunctionHandler]: Unknown extern function pci_iomap [2022-12-14 05:18:59,106 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 05:18:59,106 WARN L623 FunctionHandler]: Unknown extern function pci_iomap [2022-12-14 05:18:59,106 WARN L623 FunctionHandler]: Unknown extern function pci_iomap [2022-12-14 05:18:59,106 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 05:18:59,107 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 05:18:59,107 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 05:18:59,107 WARN L623 FunctionHandler]: Unknown extern function pci_iounmap [2022-12-14 05:18:59,108 WARN L623 FunctionHandler]: Unknown extern function pci_iounmap [2022-12-14 05:18:59,108 WARN L623 FunctionHandler]: Unknown extern function pci_release_regions [2022-12-14 05:18:59,108 WARN L623 FunctionHandler]: Unknown extern function pci_disable_device [2022-12-14 05:18:59,108 WARN L623 FunctionHandler]: Unknown extern function wait_for_completion [2022-12-14 05:18:59,108 WARN L623 FunctionHandler]: Unknown extern function ieee80211_stop_queues [2022-12-14 05:18:59,109 WARN L623 FunctionHandler]: Unknown extern function ieee80211_unregister_hw [2022-12-14 05:18:59,109 WARN L623 FunctionHandler]: Unknown extern function tasklet_kill [2022-12-14 05:18:59,109 WARN L623 FunctionHandler]: Unknown extern function tasklet_kill [2022-12-14 05:18:59,109 WARN L623 FunctionHandler]: Unknown extern function pci_iounmap [2022-12-14 05:18:59,109 WARN L623 FunctionHandler]: Unknown extern function pci_iounmap [2022-12-14 05:18:59,109 WARN L623 FunctionHandler]: Unknown extern function pci_release_regions [2022-12-14 05:18:59,109 WARN L623 FunctionHandler]: Unknown extern function pci_disable_device [2022-12-14 05:18:59,120 WARN L623 FunctionHandler]: Unknown extern function ldv_initialize [2022-12-14 05:18:59,121 WARN L623 FunctionHandler]: Unknown extern function ldv_shutdown_6 [2022-12-14 05:18:59,125 WARN L623 FunctionHandler]: Unknown extern function queue_work_on [2022-12-14 05:18:59,126 WARN L623 FunctionHandler]: Unknown extern function queue_delayed_work_on [2022-12-14 05:18:59,126 WARN L623 FunctionHandler]: Unknown extern function queue_work_on [2022-12-14 05:18:59,126 WARN L623 FunctionHandler]: Unknown extern function flush_workqueue [2022-12-14 05:18:59,126 WARN L623 FunctionHandler]: Unknown extern function queue_delayed_work_on [2022-12-14 05:18:59,127 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 05:18:59,127 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 05:18:59,127 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 05:18:59,127 WARN L623 FunctionHandler]: Unknown extern function mutex_trylock [2022-12-14 05:18:59,127 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 05:18:59,127 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 05:18:59,127 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 05:18:59,128 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 05:18:59,128 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 05:18:59,128 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 05:18:59,128 WARN L623 FunctionHandler]: Unknown extern function free_irq [2022-12-14 05:18:59,129 WARN L623 FunctionHandler]: Unknown extern function free_irq [2022-12-14 05:18:59,129 WARN L623 FunctionHandler]: Unknown extern function cancel_work_sync [2022-12-14 05:18:59,129 WARN L623 FunctionHandler]: Unknown extern function cancel_work_sync [2022-12-14 05:18:59,130 WARN L623 FunctionHandler]: Unknown extern function free_irq [2022-12-14 05:18:59,130 WARN L623 FunctionHandler]: Unknown extern function free_irq [2022-12-14 05:18:59,130 WARN L623 FunctionHandler]: Unknown extern function ieee80211_free_hw [2022-12-14 05:18:59,130 WARN L623 FunctionHandler]: Unknown extern function ieee80211_free_hw [2022-12-14 05:18:59,131 WARN L623 FunctionHandler]: Unknown extern function __pci_register_driver [2022-12-14 05:18:59,131 WARN L623 FunctionHandler]: Unknown extern function pci_unregister_driver [2022-12-14 05:18:59,131 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2d65479-99c9-4434-bd3d-052f3c15e97b/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--net--wireless--mwl8k.ko-entry_point.cil.out.i[462027,462040] [2022-12-14 05:18:59,143 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 05:18:59,243 INFO L208 MainTranslator]: Completed translation [2022-12-14 05:18:59,243 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:18:59 WrapperNode [2022-12-14 05:18:59,243 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 05:18:59,244 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 05:18:59,244 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 05:18:59,244 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 05:18:59,249 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:18:59" (1/1) ... [2022-12-14 05:18:59,303 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:18:59" (1/1) ... [2022-12-14 05:18:59,496 INFO L138 Inliner]: procedures = 493, calls = 3939, calls flagged for inlining = 198, calls inlined = 173, statements flattened = 8069 [2022-12-14 05:18:59,496 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 05:18:59,497 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 05:18:59,497 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 05:18:59,497 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 05:18:59,508 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:18:59" (1/1) ... [2022-12-14 05:18:59,508 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:18:59" (1/1) ... [2022-12-14 05:18:59,553 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:18:59" (1/1) ... [2022-12-14 05:18:59,554 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:18:59" (1/1) ... [2022-12-14 05:18:59,738 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:18:59" (1/1) ... [2022-12-14 05:18:59,758 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:18:59" (1/1) ... [2022-12-14 05:18:59,789 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:18:59" (1/1) ... [2022-12-14 05:18:59,802 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:18:59" (1/1) ... [2022-12-14 05:18:59,838 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 05:18:59,838 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 05:18:59,838 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 05:18:59,838 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 05:18:59,839 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:18:59" (1/1) ... [2022-12-14 05:18:59,844 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 05:18:59,851 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2d65479-99c9-4434-bd3d-052f3c15e97b/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 05:18:59,861 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2d65479-99c9-4434-bd3d-052f3c15e97b/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-14 05:18:59,863 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2d65479-99c9-4434-bd3d-052f3c15e97b/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-14 05:18:59,896 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_cmd_radio_disable [2022-12-14 05:18:59,896 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_cmd_radio_disable [2022-12-14 05:18:59,896 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_set_key [2022-12-14 05:18:59,896 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_set_key [2022-12-14 05:18:59,896 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_cmd_use_fixed_rate_ap [2022-12-14 05:18:59,896 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_cmd_use_fixed_rate_ap [2022-12-14 05:18:59,896 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2022-12-14 05:18:59,896 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2022-12-14 05:18:59,896 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-12-14 05:18:59,896 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-12-14 05:18:59,896 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_fw_mutex_of_mwl8k_priv [2022-12-14 05:18:59,896 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_fw_mutex_of_mwl8k_priv [2022-12-14 05:18:59,897 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_set_rts_threshold [2022-12-14 05:18:59,897 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_set_rts_threshold [2022-12-14 05:18:59,897 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2022-12-14 05:18:59,897 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_lockdep_rcu_enabled [2022-12-14 05:18:59,897 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-12-14 05:18:59,897 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-12-14 05:18:59,897 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_remove_interface [2022-12-14 05:18:59,897 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_remove_interface [2022-12-14 05:18:59,897 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2022-12-14 05:18:59,897 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2022-12-14 05:18:59,897 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-12-14 05:18:59,897 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-12-14 05:18:59,897 INFO L130 BoogieDeclarations]: Found specification of procedure ioread32 [2022-12-14 05:18:59,897 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread32 [2022-12-14 05:18:59,897 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2022-12-14 05:18:59,898 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2022-12-14 05:18:59,898 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_prepare_multicast [2022-12-14 05:18:59,898 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_prepare_multicast [2022-12-14 05:18:59,898 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_feed_fw_image [2022-12-14 05:18:59,898 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_feed_fw_image [2022-12-14 05:18:59,898 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_release_firmware [2022-12-14 05:18:59,898 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_release_firmware [2022-12-14 05:18:59,898 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2022-12-14 05:18:59,898 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite32 [2022-12-14 05:18:59,898 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite32 [2022-12-14 05:18:59,898 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_cmd_radio_enable [2022-12-14 05:18:59,898 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_cmd_radio_enable [2022-12-14 05:18:59,898 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_is_mgmt [2022-12-14 05:18:59,898 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_is_mgmt [2022-12-14 05:18:59,899 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_rxd_ap_process [2022-12-14 05:18:59,899 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_rxd_ap_process [2022-12-14 05:18:59,899 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_fw_unlock [2022-12-14 05:18:59,899 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_fw_unlock [2022-12-14 05:18:59,899 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_get_stats [2022-12-14 05:18:59,899 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_get_stats [2022-12-14 05:18:59,899 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2022-12-14 05:18:59,899 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2022-12-14 05:18:59,899 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-14 05:18:59,899 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_work_sync [2022-12-14 05:18:59,899 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_work_sync [2022-12-14 05:18:59,899 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-12-14 05:18:59,899 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-12-14 05:18:59,899 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_configure_filter [2022-12-14 05:18:59,900 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_configure_filter [2022-12-14 05:18:59,900 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_set_ht_caps [2022-12-14 05:18:59,900 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_set_ht_caps [2022-12-14 05:18:59,900 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_start [2022-12-14 05:18:59,900 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_start [2022-12-14 05:18:59,900 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_request_fw [2022-12-14 05:18:59,900 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_request_fw [2022-12-14 05:18:59,900 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-12-14 05:18:59,900 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-12-14 05:18:59,900 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_bh [2022-12-14 05:18:59,900 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_bh [2022-12-14 05:18:59,900 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-12-14 05:18:59,900 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-12-14 05:18:59,900 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-12-14 05:18:59,900 INFO L130 BoogieDeclarations]: Found specification of procedure ___might_sleep [2022-12-14 05:18:59,901 INFO L138 BoogieDeclarations]: Found implementation of procedure ___might_sleep [2022-12-14 05:18:59,901 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_fw_mutex_of_mwl8k_priv [2022-12-14 05:18:59,901 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_fw_mutex_of_mwl8k_priv [2022-12-14 05:18:59,901 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-12-14 05:18:59,901 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_load_firmware [2022-12-14 05:18:59,901 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_load_firmware [2022-12-14 05:18:59,901 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_watchdog_ba_events [2022-12-14 05:18:59,901 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_watchdog_ba_events [2022-12-14 05:18:59,901 INFO L130 BoogieDeclarations]: Found specification of procedure pci_zalloc_consistent [2022-12-14 05:18:59,901 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_zalloc_consistent [2022-12-14 05:18:59,901 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-14 05:18:59,901 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2022-12-14 05:18:59,901 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2022-12-14 05:18:59,901 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_probe_hw [2022-12-14 05:18:59,901 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_probe_hw [2022-12-14 05:18:59,902 INFO L130 BoogieDeclarations]: Found specification of procedure SET_IEEE80211_PERM_ADDR [2022-12-14 05:18:59,902 INFO L138 BoogieDeclarations]: Found implementation of procedure SET_IEEE80211_PERM_ADDR [2022-12-14 05:18:59,902 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-12-14 05:18:59,902 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-12-14 05:18:59,902 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_cmd_name [2022-12-14 05:18:59,902 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_cmd_name [2022-12-14 05:18:59,902 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_tx [2022-12-14 05:18:59,902 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_tx [2022-12-14 05:18:59,902 INFO L130 BoogieDeclarations]: Found specification of procedure reg_check_2 [2022-12-14 05:18:59,902 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_check_2 [2022-12-14 05:18:59,902 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_is_watching [2022-12-14 05:18:59,902 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_is_watching [2022-12-14 05:18:59,902 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iomap [2022-12-14 05:18:59,902 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iomap [2022-12-14 05:18:59,902 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_sw_scan_start [2022-12-14 05:18:59,902 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_sw_scan_start [2022-12-14 05:18:59,903 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2022-12-14 05:18:59,903 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2022-12-14 05:18:59,903 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2022-12-14 05:18:59,903 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2022-12-14 05:18:59,903 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_rxd_ap_refill [2022-12-14 05:18:59,903 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_rxd_ap_refill [2022-12-14 05:18:59,903 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_set_caps [2022-12-14 05:18:59,903 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_set_caps [2022-12-14 05:18:59,903 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_lock [2022-12-14 05:18:59,903 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_lock [2022-12-14 05:18:59,903 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2022-12-14 05:18:59,903 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2022-12-14 05:18:59,903 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_cmd_set_wmm_mode [2022-12-14 05:18:59,903 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_cmd_set_wmm_mode [2022-12-14 05:18:59,903 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-12-14 05:18:59,904 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_get_survey [2022-12-14 05:18:59,904 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_get_survey [2022-12-14 05:18:59,904 INFO L130 BoogieDeclarations]: Found specification of procedure complete [2022-12-14 05:18:59,904 INFO L138 BoogieDeclarations]: Found implementation of procedure complete [2022-12-14 05:18:59,904 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 05:18:59,904 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_free_hw [2022-12-14 05:18:59,904 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_free_hw [2022-12-14 05:18:59,904 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-12-14 05:18:59,904 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-12-14 05:18:59,904 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-12-14 05:18:59,904 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-12-14 05:18:59,904 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-12-14 05:18:59,904 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-12-14 05:18:59,904 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_add_stream [2022-12-14 05:18:59,904 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_add_stream [2022-12-14 05:18:59,904 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_rxd_sta_init [2022-12-14 05:18:59,905 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_rxd_sta_init [2022-12-14 05:18:59,905 INFO L130 BoogieDeclarations]: Found specification of procedure _cond_resched [2022-12-14 05:18:59,905 INFO L138 BoogieDeclarations]: Found implementation of procedure _cond_resched [2022-12-14 05:18:59,905 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_schedule [2022-12-14 05:18:59,905 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_schedule [2022-12-14 05:18:59,905 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_cmd_radio_control [2022-12-14 05:18:59,905 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_cmd_radio_control [2022-12-14 05:18:59,905 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-12-14 05:18:59,905 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-12-14 05:18:59,905 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_queue_work [2022-12-14 05:18:59,905 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_queue_work [2022-12-14 05:18:59,905 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_post_pervif_cmd [2022-12-14 05:18:59,905 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_post_pervif_cmd [2022-12-14 05:18:59,905 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 05:18:59,905 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 05:18:59,905 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_wake_queues [2022-12-14 05:18:59,906 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_wake_queues [2022-12-14 05:18:59,906 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_bh [2022-12-14 05:18:59,906 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_bh [2022-12-14 05:18:59,906 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2022-12-14 05:18:59,906 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2022-12-14 05:18:59,906 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_hw_reset [2022-12-14 05:18:59,906 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_hw_reset [2022-12-14 05:18:59,906 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_cmd_bss_start [2022-12-14 05:18:59,906 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_cmd_bss_start [2022-12-14 05:18:59,906 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-12-14 05:18:59,906 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-12-14 05:18:59,906 INFO L130 BoogieDeclarations]: Found specification of procedure cfg80211_get_chandef_type [2022-12-14 05:18:59,906 INFO L138 BoogieDeclarations]: Found implementation of procedure cfg80211_get_chandef_type [2022-12-14 05:18:59,906 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-12-14 05:18:59,906 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-12-14 05:18:59,906 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_enable_bsses [2022-12-14 05:18:59,906 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_enable_bsses [2022-12-14 05:18:59,907 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_interrupt [2022-12-14 05:18:59,907 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_interrupt [2022-12-14 05:18:59,907 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2022-12-14 05:18:59,907 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2022-12-14 05:18:59,907 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2022-12-14 05:18:59,907 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2022-12-14 05:18:59,907 INFO L130 BoogieDeclarations]: Found specification of procedure wait_for_completion_timeout [2022-12-14 05:18:59,907 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_for_completion_timeout [2022-12-14 05:18:59,907 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_conf_tx [2022-12-14 05:18:59,907 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_conf_tx [2022-12-14 05:18:59,907 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_cmd_set_pre_scan [2022-12-14 05:18:59,907 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_cmd_set_pre_scan [2022-12-14 05:18:59,907 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_is_data [2022-12-14 05:18:59,907 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_is_data [2022-12-14 05:18:59,907 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_cmd_set_post_scan [2022-12-14 05:18:59,907 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_cmd_set_post_scan [2022-12-14 05:18:59,907 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_load_fw_image [2022-12-14 05:18:59,908 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_load_fw_image [2022-12-14 05:18:59,908 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_init_txqs [2022-12-14 05:18:59,908 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_init_txqs [2022-12-14 05:18:59,908 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_remove_vif [2022-12-14 05:18:59,908 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_remove_vif [2022-12-14 05:18:59,908 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-12-14 05:18:59,908 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-12-14 05:18:59,908 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_hw_restart_work [2022-12-14 05:18:59,908 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_hw_restart_work [2022-12-14 05:18:59,908 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_is_data_qos [2022-12-14 05:18:59,908 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_is_data_qos [2022-12-14 05:18:59,908 INFO L130 BoogieDeclarations]: Found specification of procedure __arch_hweight32 [2022-12-14 05:18:59,908 INFO L138 BoogieDeclarations]: Found implementation of procedure __arch_hweight32 [2022-12-14 05:18:59,908 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-12-14 05:18:59,908 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-12-14 05:18:59,908 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2022-12-14 05:18:59,908 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2022-12-14 05:18:59,908 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_hdrlen [2022-12-14 05:18:59,908 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_hdrlen [2022-12-14 05:18:59,908 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_init_firmware [2022-12-14 05:18:59,908 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_init_firmware [2022-12-14 05:18:59,908 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2022-12-14 05:18:59,908 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2022-12-14 05:18:59,908 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_cmd_enable_sniffer [2022-12-14 05:18:59,909 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_cmd_enable_sniffer [2022-12-14 05:18:59,909 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-12-14 05:18:59,909 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-12-14 05:18:59,909 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_irq_2 [2022-12-14 05:18:59,909 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_irq_2 [2022-12-14 05:18:59,909 INFO L130 BoogieDeclarations]: Found specification of procedure kcalloc [2022-12-14 05:18:59,909 INFO L138 BoogieDeclarations]: Found implementation of procedure kcalloc [2022-12-14 05:18:59,909 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_cmd_bbp_reg_access [2022-12-14 05:18:59,909 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_cmd_bbp_reg_access [2022-12-14 05:18:59,909 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-12-14 05:18:59,909 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-12-14 05:18:59,909 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_kill [2022-12-14 05:18:59,909 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_kill [2022-12-14 05:18:59,909 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_cmd_rf_antenna [2022-12-14 05:18:59,909 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_cmd_rf_antenna [2022-12-14 05:18:59,909 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2022-12-14 05:18:59,909 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2022-12-14 05:18:59,909 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_reload_firmware [2022-12-14 05:18:59,909 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_reload_firmware [2022-12-14 05:18:59,909 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2022-12-14 05:18:59,909 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2022-12-14 05:18:59,909 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2022-12-14 05:18:59,909 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2022-12-14 05:18:59,909 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-14 05:18:59,910 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_channel_to_frequency [2022-12-14 05:18:59,910 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_channel_to_frequency [2022-12-14 05:18:59,910 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-12-14 05:18:59,910 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_add_dma_header [2022-12-14 05:18:59,910 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_add_dma_header [2022-12-14 05:18:59,910 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_bss_info_changed [2022-12-14 05:18:59,910 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_bss_info_changed [2022-12-14 05:18:59,910 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_remove_stream [2022-12-14 05:18:59,910 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_remove_stream [2022-12-14 05:18:59,910 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_sw_scan_complete [2022-12-14 05:18:59,910 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_sw_scan_complete [2022-12-14 05:18:59,910 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_txq_reclaim [2022-12-14 05:18:59,910 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_txq_reclaim [2022-12-14 05:18:59,910 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_set_radio_preamble [2022-12-14 05:18:59,910 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_set_radio_preamble [2022-12-14 05:18:59,910 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_config [2022-12-14 05:18:59,910 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_config [2022-12-14 05:18:59,910 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-12-14 05:18:59,910 INFO L130 BoogieDeclarations]: Found specification of procedure disable_work_3 [2022-12-14 05:18:59,910 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_work_3 [2022-12-14 05:18:59,910 INFO L130 BoogieDeclarations]: Found specification of procedure kfree_skb [2022-12-14 05:18:59,910 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree_skb [2022-12-14 05:18:59,910 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2022-12-14 05:18:59,910 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2022-12-14 05:18:59,911 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memmove [2022-12-14 05:18:59,911 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memmove [2022-12-14 05:18:59,911 INFO L130 BoogieDeclarations]: Found specification of procedure _ieee80211_hw_set [2022-12-14 05:18:59,911 INFO L138 BoogieDeclarations]: Found implementation of procedure _ieee80211_hw_set [2022-12-14 05:18:59,911 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_txq_deinit [2022-12-14 05:18:59,911 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_txq_deinit [2022-12-14 05:18:59,911 INFO L130 BoogieDeclarations]: Found specification of procedure rxq_refill [2022-12-14 05:18:59,911 INFO L138 BoogieDeclarations]: Found implementation of procedure rxq_refill [2022-12-14 05:18:59,911 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_rxd_sta_process [2022-12-14 05:18:59,911 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_rxd_sta_process [2022-12-14 05:18:59,911 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_fw_lock [2022-12-14 05:18:59,911 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_fw_lock [2022-12-14 05:18:59,911 INFO L130 BoogieDeclarations]: Found specification of procedure __mwl8k_cmd_mac_multicast_adr [2022-12-14 05:18:59,911 INFO L138 BoogieDeclarations]: Found implementation of procedure __mwl8k_cmd_mac_multicast_adr [2022-12-14 05:18:59,911 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_rxd_ap_init [2022-12-14 05:18:59,911 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_rxd_ap_init [2022-12-14 05:18:59,911 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2022-12-14 05:18:59,911 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2022-12-14 05:18:59,911 INFO L130 BoogieDeclarations]: Found specification of procedure jiffies_to_msecs [2022-12-14 05:18:59,911 INFO L138 BoogieDeclarations]: Found implementation of procedure jiffies_to_msecs [2022-12-14 05:18:59,911 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_destroy_ba [2022-12-14 05:18:59,911 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_destroy_ba [2022-12-14 05:18:59,911 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_disable [2022-12-14 05:18:59,911 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_disable [2022-12-14 05:18:59,912 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dma_mapping_error [2022-12-14 05:18:59,912 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dma_mapping_error [2022-12-14 05:18:59,912 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_sta_remove [2022-12-14 05:18:59,912 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_sta_remove [2022-12-14 05:18:59,912 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_tx_start [2022-12-14 05:18:59,912 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_tx_start [2022-12-14 05:18:59,912 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_remove_dma_header [2022-12-14 05:18:59,912 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_remove_dma_header [2022-12-14 05:18:59,912 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_stop [2022-12-14 05:18:59,912 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_stop [2022-12-14 05:18:59,912 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_cmd_update_mac_addr [2022-12-14 05:18:59,912 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_cmd_update_mac_addr [2022-12-14 05:18:59,912 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-12-14 05:18:59,912 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-12-14 05:18:59,912 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_finalize_join_worker [2022-12-14 05:18:59,912 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_finalize_join_worker [2022-12-14 05:18:59,912 INFO L130 BoogieDeclarations]: Found specification of procedure init_completion [2022-12-14 05:18:59,912 INFO L138 BoogieDeclarations]: Found implementation of procedure init_completion [2022-12-14 05:18:59,912 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-14 05:18:59,912 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_irq_2 [2022-12-14 05:18:59,912 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_irq_2 [2022-12-14 05:18:59,912 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-12-14 05:18:59,912 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-12-14 05:18:59,912 INFO L130 BoogieDeclarations]: Found specification of procedure __ilog2_u32 [2022-12-14 05:18:59,913 INFO L138 BoogieDeclarations]: Found implementation of procedure __ilog2_u32 [2022-12-14 05:18:59,913 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2022-12-14 05:18:59,913 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2022-12-14 05:18:59,913 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_stop_queues [2022-12-14 05:18:59,913 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_stop_queues [2022-12-14 05:18:59,913 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_encryption_set_cmd_info [2022-12-14 05:18:59,913 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_encryption_set_cmd_info [2022-12-14 05:18:59,913 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2022-12-14 05:18:59,913 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2022-12-14 05:18:59,913 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_sta_add [2022-12-14 05:18:59,913 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_sta_add [2022-12-14 05:18:59,913 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_rcu_suspicious [2022-12-14 05:18:59,913 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_rcu_suspicious [2022-12-14 05:18:59,913 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2022-12-14 05:18:59,913 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2022-12-14 05:18:59,913 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_cmd_set_mac_addr [2022-12-14 05:18:59,913 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_cmd_set_mac_addr [2022-12-14 05:18:59,913 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_add_interface [2022-12-14 05:18:59,913 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_add_interface [2022-12-14 05:18:59,913 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_2 [2022-12-14 05:18:59,913 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_2 [2022-12-14 05:18:59,913 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec [2022-12-14 05:18:59,913 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec [2022-12-14 05:18:59,913 INFO L130 BoogieDeclarations]: Found specification of procedure legacy_rate_mask_to_array [2022-12-14 05:18:59,914 INFO L138 BoogieDeclarations]: Found implementation of procedure legacy_rate_mask_to_array [2022-12-14 05:18:59,914 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_ampdu_action [2022-12-14 05:18:59,914 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_ampdu_action [2022-12-14 05:18:59,914 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_rxd_sta_refill [2022-12-14 05:18:59,914 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_rxd_sta_refill [2022-12-14 05:18:59,914 INFO L130 BoogieDeclarations]: Found specification of procedure ffs [2022-12-14 05:18:59,914 INFO L138 BoogieDeclarations]: Found implementation of procedure ffs [2022-12-14 05:18:59,914 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iounmap [2022-12-14 05:18:59,914 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iounmap [2022-12-14 05:18:59,914 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2022-12-14 05:18:59,914 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2022-12-14 05:18:59,914 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_release_fw [2022-12-14 05:18:59,914 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_release_fw [2022-12-14 05:18:59,914 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_rxq_deinit [2022-12-14 05:18:59,914 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_rxq_deinit [2022-12-14 05:18:59,914 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-12-14 05:18:59,914 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-12-14 05:18:59,914 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_attrs [2022-12-14 05:18:59,914 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_attrs [2022-12-14 05:18:59,914 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_send_fw_load_cmd [2022-12-14 05:18:59,914 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_send_fw_load_cmd [2022-12-14 05:18:59,914 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_unlock [2022-12-14 05:18:59,914 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_unlock [2022-12-14 05:18:59,914 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-14 05:18:59,914 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_cmd_set_new_stn_del [2022-12-14 05:18:59,915 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_cmd_set_new_stn_del [2022-12-14 05:18:59,915 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_post_cmd [2022-12-14 05:18:59,915 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_post_cmd [2022-12-14 05:18:59,915 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_lookup_stream [2022-12-14 05:18:59,915 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_lookup_stream [2022-12-14 05:18:59,915 INFO L130 BoogieDeclarations]: Found specification of procedure IEEE80211_SKB_CB [2022-12-14 05:18:59,915 INFO L138 BoogieDeclarations]: Found implementation of procedure IEEE80211_SKB_CB [2022-12-14 05:18:59,915 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_enable [2022-12-14 05:18:59,915 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_enable [2022-12-14 05:19:00,751 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 05:19:00,755 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 05:19:05,017 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-12-14 05:19:14,133 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 05:19:15,807 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 05:19:15,808 INFO L300 CfgBuilder]: Removed 32 assume(true) statements. [2022-12-14 05:19:15,812 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 05:19:15 BoogieIcfgContainer [2022-12-14 05:19:15,812 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 05:19:15,814 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-14 05:19:15,814 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-14 05:19:15,816 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-14 05:19:15,817 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.12 05:18:55" (1/3) ... [2022-12-14 05:19:15,817 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@447860a6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 05:19:15, skipping insertion in model container [2022-12-14 05:19:15,817 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:18:59" (2/3) ... [2022-12-14 05:19:15,817 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@447860a6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 05:19:15, skipping insertion in model container [2022-12-14 05:19:15,817 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 05:19:15" (3/3) ... [2022-12-14 05:19:15,818 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-32_7a-drivers--net--wireless--mwl8k.ko-entry_point.cil.out.i [2022-12-14 05:19:15,833 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-14 05:19:15,833 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-12-14 05:19:15,901 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-14 05:19:15,905 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;@6916b23d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-14 05:19:15,905 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-12-14 05:19:15,914 INFO L276 IsEmpty]: Start isEmpty. Operand has 2581 states, 1644 states have (on average 1.3746958637469586) internal successors, (2260), 1722 states have internal predecessors, (2260), 765 states have call successors, (765), 171 states have call predecessors, (765), 170 states have return successors, (752), 742 states have call predecessors, (752), 752 states have call successors, (752) [2022-12-14 05:19:15,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 628 [2022-12-14 05:19:15,941 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 05:19:15,942 INFO L195 NwaCegarLoop]: trace histogram [38, 38, 38, 38, 38, 38, 38, 38, 38, 17, 17, 17, 17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:19:15,942 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 05:19:15,946 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 05:19:15,946 INFO L85 PathProgramCache]: Analyzing trace with hash 59422206, now seen corresponding path program 1 times [2022-12-14 05:19:15,953 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 05:19:15,953 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1438902200] [2022-12-14 05:19:15,953 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 05:19:15,954 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 05:19:16,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 05:19:17,385 INFO L134 CoverageAnalysis]: Checked inductivity of 7982 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7982 trivial. 0 not checked. [2022-12-14 05:19:17,386 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 05:19:17,386 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1438902200] [2022-12-14 05:19:17,387 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1438902200] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 05:19:17,387 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 05:19:17,387 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 05:19:17,389 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1784248137] [2022-12-14 05:19:17,389 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 05:19:17,394 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 05:19:17,394 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 05:19:17,422 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 05:19:17,423 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 05:19:17,430 INFO L87 Difference]: Start difference. First operand has 2581 states, 1644 states have (on average 1.3746958637469586) internal successors, (2260), 1722 states have internal predecessors, (2260), 765 states have call successors, (765), 171 states have call predecessors, (765), 170 states have return successors, (752), 742 states have call predecessors, (752), 752 states have call successors, (752) Second operand has 3 states, 3 states have (on average 27.0) internal successors, (81), 3 states have internal predecessors, (81), 2 states have call successors, (59), 2 states have call predecessors, (59), 1 states have return successors, (58), 1 states have call predecessors, (58), 1 states have call successors, (58) [2022-12-14 05:19:19,503 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 05:19:21,903 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 05:19:25,568 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.55s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 05:19:28,154 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 05:19:28,154 INFO L93 Difference]: Finished difference Result 7444 states and 11200 transitions. [2022-12-14 05:19:28,158 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 05:19:28,159 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 27.0) internal successors, (81), 3 states have internal predecessors, (81), 2 states have call successors, (59), 2 states have call predecessors, (59), 1 states have return successors, (58), 1 states have call predecessors, (58), 1 states have call successors, (58) Word has length 627 [2022-12-14 05:19:28,160 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 05:19:28,188 INFO L225 Difference]: With dead ends: 7444 [2022-12-14 05:19:28,188 INFO L226 Difference]: Without dead ends: 4924 [2022-12-14 05:19:28,204 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 05:19:28,206 INFO L413 NwaCegarLoop]: 4376 mSDtfsCounter, 3482 mSDsluCounter, 3466 mSDsCounter, 0 mSdLazyCounter, 633 mSolverCounterSat, 3 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3491 SdHoareTripleChecker+Valid, 7842 SdHoareTripleChecker+Invalid, 638 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 633 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.4s IncrementalHoareTripleChecker+Time [2022-12-14 05:19:28,207 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3491 Valid, 7842 Invalid, 638 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 633 Invalid, 2 Unknown, 0 Unchecked, 10.4s Time] [2022-12-14 05:19:28,225 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4924 states. [2022-12-14 05:19:28,386 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4924 to 4919. [2022-12-14 05:19:28,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4919 states, 3160 states have (on average 1.3664556962025316) internal successors, (4318), 3280 states have internal predecessors, (4318), 1421 states have call successors, (1421), 338 states have call predecessors, (1421), 337 states have return successors, (1424), 1394 states have call predecessors, (1424), 1415 states have call successors, (1424) [2022-12-14 05:19:28,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4919 states to 4919 states and 7163 transitions. [2022-12-14 05:19:28,418 INFO L78 Accepts]: Start accepts. Automaton has 4919 states and 7163 transitions. Word has length 627 [2022-12-14 05:19:28,419 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 05:19:28,420 INFO L495 AbstractCegarLoop]: Abstraction has 4919 states and 7163 transitions. [2022-12-14 05:19:28,420 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 27.0) internal successors, (81), 3 states have internal predecessors, (81), 2 states have call successors, (59), 2 states have call predecessors, (59), 1 states have return successors, (58), 1 states have call predecessors, (58), 1 states have call successors, (58) [2022-12-14 05:19:28,420 INFO L276 IsEmpty]: Start isEmpty. Operand 4919 states and 7163 transitions. [2022-12-14 05:19:28,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 633 [2022-12-14 05:19:28,432 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 05:19:28,432 INFO L195 NwaCegarLoop]: trace histogram [38, 38, 38, 38, 38, 38, 38, 38, 38, 17, 17, 17, 17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:19:28,432 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-14 05:19:28,433 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 05:19:28,433 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 05:19:28,433 INFO L85 PathProgramCache]: Analyzing trace with hash 160265806, now seen corresponding path program 1 times [2022-12-14 05:19:28,433 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 05:19:28,433 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [225285411] [2022-12-14 05:19:28,433 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 05:19:28,434 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 05:19:28,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 05:19:29,224 INFO L134 CoverageAnalysis]: Checked inductivity of 7982 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7982 trivial. 0 not checked. [2022-12-14 05:19:29,225 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 05:19:29,225 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [225285411] [2022-12-14 05:19:29,225 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [225285411] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 05:19:29,225 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 05:19:29,226 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 05:19:29,226 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [79425020] [2022-12-14 05:19:29,226 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 05:19:29,228 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 05:19:29,228 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 05:19:29,229 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 05:19:29,229 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 05:19:29,229 INFO L87 Difference]: Start difference. First operand 4919 states and 7163 transitions. Second operand has 3 states, 3 states have (on average 27.0) internal successors, (81), 3 states have internal predecessors, (81), 2 states have call successors, (63), 2 states have call predecessors, (63), 1 states have return successors, (59), 2 states have call predecessors, (59), 2 states have call successors, (59) [2022-12-14 05:19:31,273 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 05:19:34,101 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 05:19:39,449 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 05:19:39,449 INFO L93 Difference]: Finished difference Result 12900 states and 18652 transitions. [2022-12-14 05:19:39,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 05:19:39,451 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 27.0) internal successors, (81), 3 states have internal predecessors, (81), 2 states have call successors, (63), 2 states have call predecessors, (63), 1 states have return successors, (59), 2 states have call predecessors, (59), 2 states have call successors, (59) Word has length 632 [2022-12-14 05:19:39,452 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 05:19:39,483 INFO L225 Difference]: With dead ends: 12900 [2022-12-14 05:19:39,483 INFO L226 Difference]: Without dead ends: 8096 [2022-12-14 05:19:39,499 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 05:19:39,499 INFO L413 NwaCegarLoop]: 4451 mSDtfsCounter, 2249 mSDsluCounter, 3311 mSDsCounter, 0 mSdLazyCounter, 794 mSolverCounterSat, 3 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2255 SdHoareTripleChecker+Valid, 7762 SdHoareTripleChecker+Invalid, 799 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 794 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.9s IncrementalHoareTripleChecker+Time [2022-12-14 05:19:39,500 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2255 Valid, 7762 Invalid, 799 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 794 Invalid, 2 Unknown, 0 Unchecked, 9.9s Time] [2022-12-14 05:19:39,508 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8096 states. [2022-12-14 05:19:39,734 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8096 to 8082. [2022-12-14 05:19:39,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8082 states, 5210 states have (on average 1.36468330134357) internal successors, (7110), 5396 states have internal predecessors, (7110), 2258 states have call successors, (2258), 614 states have call predecessors, (2258), 613 states have return successors, (2273), 2223 states have call predecessors, (2273), 2252 states have call successors, (2273) [2022-12-14 05:19:39,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8082 states to 8082 states and 11641 transitions. [2022-12-14 05:19:39,771 INFO L78 Accepts]: Start accepts. Automaton has 8082 states and 11641 transitions. Word has length 632 [2022-12-14 05:19:39,772 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 05:19:39,772 INFO L495 AbstractCegarLoop]: Abstraction has 8082 states and 11641 transitions. [2022-12-14 05:19:39,773 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 27.0) internal successors, (81), 3 states have internal predecessors, (81), 2 states have call successors, (63), 2 states have call predecessors, (63), 1 states have return successors, (59), 2 states have call predecessors, (59), 2 states have call successors, (59) [2022-12-14 05:19:39,773 INFO L276 IsEmpty]: Start isEmpty. Operand 8082 states and 11641 transitions. [2022-12-14 05:19:39,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 637 [2022-12-14 05:19:39,783 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 05:19:39,783 INFO L195 NwaCegarLoop]: trace histogram [38, 38, 38, 38, 38, 38, 38, 38, 38, 17, 17, 17, 17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:19:39,784 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-14 05:19:39,784 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 05:19:39,784 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 05:19:39,784 INFO L85 PathProgramCache]: Analyzing trace with hash 1567047595, now seen corresponding path program 1 times [2022-12-14 05:19:39,784 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 05:19:39,784 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [817801898] [2022-12-14 05:19:39,784 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 05:19:39,785 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 05:19:39,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 05:19:40,942 INFO L134 CoverageAnalysis]: Checked inductivity of 7982 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7982 trivial. 0 not checked. [2022-12-14 05:19:40,942 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 05:19:40,942 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [817801898] [2022-12-14 05:19:40,943 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [817801898] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 05:19:40,943 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 05:19:40,943 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 05:19:40,943 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [117098272] [2022-12-14 05:19:40,943 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 05:19:40,944 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 05:19:40,944 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 05:19:40,945 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 05:19:40,945 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 05:19:40,945 INFO L87 Difference]: Start difference. First operand 8082 states and 11641 transitions. Second operand has 3 states, 3 states have (on average 28.333333333333332) internal successors, (85), 3 states have internal predecessors, (85), 3 states have call successors, (63), 3 states have call predecessors, (63), 1 states have return successors, (59), 2 states have call predecessors, (59), 2 states have call successors, (59) [2022-12-14 05:19:44,130 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 05:19:45,977 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.16s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 05:19:50,176 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 05:19:50,176 INFO L93 Difference]: Finished difference Result 23878 states and 36178 transitions. [2022-12-14 05:19:50,178 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 05:19:50,179 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 28.333333333333332) internal successors, (85), 3 states have internal predecessors, (85), 3 states have call successors, (63), 3 states have call predecessors, (63), 1 states have return successors, (59), 2 states have call predecessors, (59), 2 states have call successors, (59) Word has length 636 [2022-12-14 05:19:50,179 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 05:19:50,247 INFO L225 Difference]: With dead ends: 23878 [2022-12-14 05:19:50,247 INFO L226 Difference]: Without dead ends: 15911 [2022-12-14 05:19:50,288 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 5 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 05:19:50,289 INFO L413 NwaCegarLoop]: 4335 mSDtfsCounter, 3646 mSDsluCounter, 3372 mSDsCounter, 0 mSdLazyCounter, 609 mSolverCounterSat, 7 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3646 SdHoareTripleChecker+Valid, 7707 SdHoareTripleChecker+Invalid, 617 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 609 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.9s IncrementalHoareTripleChecker+Time [2022-12-14 05:19:50,289 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3646 Valid, 7707 Invalid, 617 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 609 Invalid, 1 Unknown, 0 Unchecked, 8.9s Time] [2022-12-14 05:19:50,303 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15911 states. [2022-12-14 05:19:50,757 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15911 to 15896. [2022-12-14 05:19:50,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15896 states, 10279 states have (on average 1.3669617667088239) internal successors, (14051), 10641 states have internal predecessors, (14051), 4411 states have call successors, (4411), 1211 states have call predecessors, (4411), 1205 states have return successors, (5360), 4342 states have call predecessors, (5360), 4404 states have call successors, (5360) [2022-12-14 05:19:50,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15896 states to 15896 states and 23822 transitions. [2022-12-14 05:19:50,848 INFO L78 Accepts]: Start accepts. Automaton has 15896 states and 23822 transitions. Word has length 636 [2022-12-14 05:19:50,848 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 05:19:50,848 INFO L495 AbstractCegarLoop]: Abstraction has 15896 states and 23822 transitions. [2022-12-14 05:19:50,849 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 28.333333333333332) internal successors, (85), 3 states have internal predecessors, (85), 3 states have call successors, (63), 3 states have call predecessors, (63), 1 states have return successors, (59), 2 states have call predecessors, (59), 2 states have call successors, (59) [2022-12-14 05:19:50,849 INFO L276 IsEmpty]: Start isEmpty. Operand 15896 states and 23822 transitions. [2022-12-14 05:19:50,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 643 [2022-12-14 05:19:50,853 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 05:19:50,854 INFO L195 NwaCegarLoop]: trace histogram [39, 39, 39, 39, 39, 39, 39, 39, 39, 17, 17, 17, 17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:19:50,854 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-12-14 05:19:50,854 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 05:19:50,854 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 05:19:50,854 INFO L85 PathProgramCache]: Analyzing trace with hash 243642435, now seen corresponding path program 1 times [2022-12-14 05:19:50,854 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 05:19:50,854 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1918323076] [2022-12-14 05:19:50,855 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 05:19:50,855 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 05:19:51,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 05:19:51,457 INFO L134 CoverageAnalysis]: Checked inductivity of 8362 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8362 trivial. 0 not checked. [2022-12-14 05:19:51,457 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 05:19:51,457 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1918323076] [2022-12-14 05:19:51,457 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1918323076] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 05:19:51,457 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 05:19:51,457 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 05:19:51,457 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1982859427] [2022-12-14 05:19:51,457 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 05:19:51,458 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 05:19:51,458 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 05:19:51,458 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 05:19:51,458 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 05:19:51,459 INFO L87 Difference]: Start difference. First operand 15896 states and 23822 transitions. Second operand has 3 states, 3 states have (on average 28.333333333333332) internal successors, (85), 3 states have internal predecessors, (85), 3 states have call successors, (60), 2 states have call predecessors, (60), 1 states have return successors, (59), 2 states have call predecessors, (59), 2 states have call successors, (59) [2022-12-14 05:19:53,508 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 05:19:55,736 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 05:19:58,957 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.37s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-12-14 05:20:00,431 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.46s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 05:20:01,074 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 05:20:01,074 INFO L93 Difference]: Finished difference Result 15944 states and 23873 transitions. [2022-12-14 05:20:01,077 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 05:20:01,077 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 28.333333333333332) internal successors, (85), 3 states have internal predecessors, (85), 3 states have call successors, (60), 2 states have call predecessors, (60), 1 states have return successors, (59), 2 states have call predecessors, (59), 2 states have call successors, (59) Word has length 642 [2022-12-14 05:20:01,078 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 05:20:01,129 INFO L225 Difference]: With dead ends: 15944 [2022-12-14 05:20:01,129 INFO L226 Difference]: Without dead ends: 15941 [2022-12-14 05:20:01,140 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 05:20:01,141 INFO L413 NwaCegarLoop]: 3426 mSDtfsCounter, 3498 mSDsluCounter, 95 mSDsCounter, 0 mSdLazyCounter, 325 mSolverCounterSat, 0 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3507 SdHoareTripleChecker+Valid, 3521 SdHoareTripleChecker+Invalid, 327 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 325 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.3s IncrementalHoareTripleChecker+Time [2022-12-14 05:20:01,141 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3507 Valid, 3521 Invalid, 327 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 325 Invalid, 2 Unknown, 0 Unchecked, 9.3s Time] [2022-12-14 05:20:01,154 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15941 states. [2022-12-14 05:20:01,597 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15941 to 15938. [2022-12-14 05:20:01,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15938 states, 10302 states have (on average 1.3661424966026015) internal successors, (14074), 10665 states have internal predecessors, (14074), 4413 states have call successors, (4413), 1226 states have call predecessors, (4413), 1222 states have return successors, (5381), 4345 states have call predecessors, (5381), 4407 states have call successors, (5381) [2022-12-14 05:20:01,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15938 states to 15938 states and 23868 transitions. [2022-12-14 05:20:01,675 INFO L78 Accepts]: Start accepts. Automaton has 15938 states and 23868 transitions. Word has length 642 [2022-12-14 05:20:01,676 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 05:20:01,676 INFO L495 AbstractCegarLoop]: Abstraction has 15938 states and 23868 transitions. [2022-12-14 05:20:01,676 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 28.333333333333332) internal successors, (85), 3 states have internal predecessors, (85), 3 states have call successors, (60), 2 states have call predecessors, (60), 1 states have return successors, (59), 2 states have call predecessors, (59), 2 states have call successors, (59) [2022-12-14 05:20:01,676 INFO L276 IsEmpty]: Start isEmpty. Operand 15938 states and 23868 transitions. [2022-12-14 05:20:01,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 644 [2022-12-14 05:20:01,680 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 05:20:01,680 INFO L195 NwaCegarLoop]: trace histogram [39, 39, 39, 39, 39, 39, 39, 39, 39, 17, 17, 17, 17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:20:01,680 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-12-14 05:20:01,681 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 05:20:01,681 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 05:20:01,681 INFO L85 PathProgramCache]: Analyzing trace with hash -1038283768, now seen corresponding path program 1 times [2022-12-14 05:20:01,681 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 05:20:01,681 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1653451411] [2022-12-14 05:20:01,681 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 05:20:01,681 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 05:20:01,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 05:20:02,373 INFO L134 CoverageAnalysis]: Checked inductivity of 8362 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8362 trivial. 0 not checked. [2022-12-14 05:20:02,373 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 05:20:02,373 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1653451411] [2022-12-14 05:20:02,373 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1653451411] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 05:20:02,373 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 05:20:02,373 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 05:20:02,373 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [132478650] [2022-12-14 05:20:02,374 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 05:20:02,374 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 05:20:02,375 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 05:20:02,375 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 05:20:02,375 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 05:20:02,376 INFO L87 Difference]: Start difference. First operand 15938 states and 23868 transitions. Second operand has 3 states, 3 states have (on average 28.666666666666668) internal successors, (86), 3 states have internal predecessors, (86), 3 states have call successors, (60), 2 states have call predecessors, (60), 1 states have return successors, (59), 2 states have call predecessors, (59), 2 states have call successors, (59) [2022-12-14 05:20:04,853 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 05:20:06,435 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.11s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 05:20:08,078 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 05:20:08,078 INFO L93 Difference]: Finished difference Result 15943 states and 23871 transitions. [2022-12-14 05:20:08,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 05:20:08,081 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 28.666666666666668) internal successors, (86), 3 states have internal predecessors, (86), 3 states have call successors, (60), 2 states have call predecessors, (60), 1 states have return successors, (59), 2 states have call predecessors, (59), 2 states have call successors, (59) Word has length 643 [2022-12-14 05:20:08,082 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 05:20:08,128 INFO L225 Difference]: With dead ends: 15943 [2022-12-14 05:20:08,128 INFO L226 Difference]: Without dead ends: 15940 [2022-12-14 05:20:08,137 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 05:20:08,138 INFO L413 NwaCegarLoop]: 3424 mSDtfsCounter, 3495 mSDsluCounter, 95 mSDsCounter, 0 mSdLazyCounter, 326 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3504 SdHoareTripleChecker+Valid, 3519 SdHoareTripleChecker+Invalid, 327 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 326 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.3s IncrementalHoareTripleChecker+Time [2022-12-14 05:20:08,138 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3504 Valid, 3519 Invalid, 327 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 326 Invalid, 1 Unknown, 0 Unchecked, 5.3s Time] [2022-12-14 05:20:08,150 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15940 states. [2022-12-14 05:20:08,605 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15940 to 15937. [2022-12-14 05:20:08,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15937 states, 10302 states have (on average 1.366045428072219) internal successors, (14073), 10664 states have internal predecessors, (14073), 4412 states have call successors, (4412), 1226 states have call predecessors, (4412), 1222 states have return successors, (5381), 4345 states have call predecessors, (5381), 4407 states have call successors, (5381) [2022-12-14 05:20:08,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15937 states to 15937 states and 23866 transitions. [2022-12-14 05:20:08,677 INFO L78 Accepts]: Start accepts. Automaton has 15937 states and 23866 transitions. Word has length 643 [2022-12-14 05:20:08,677 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 05:20:08,677 INFO L495 AbstractCegarLoop]: Abstraction has 15937 states and 23866 transitions. [2022-12-14 05:20:08,677 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 28.666666666666668) internal successors, (86), 3 states have internal predecessors, (86), 3 states have call successors, (60), 2 states have call predecessors, (60), 1 states have return successors, (59), 2 states have call predecessors, (59), 2 states have call successors, (59) [2022-12-14 05:20:08,677 INFO L276 IsEmpty]: Start isEmpty. Operand 15937 states and 23866 transitions. [2022-12-14 05:20:08,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 645 [2022-12-14 05:20:08,682 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 05:20:08,682 INFO L195 NwaCegarLoop]: trace histogram [39, 39, 39, 39, 39, 39, 39, 39, 39, 17, 17, 17, 17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:20:08,682 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-12-14 05:20:08,682 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 05:20:08,682 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 05:20:08,682 INFO L85 PathProgramCache]: Analyzing trace with hash -2123285530, now seen corresponding path program 1 times [2022-12-14 05:20:08,682 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 05:20:08,682 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1849888847] [2022-12-14 05:20:08,683 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 05:20:08,683 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 05:20:08,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 05:20:09,252 INFO L134 CoverageAnalysis]: Checked inductivity of 8362 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8362 trivial. 0 not checked. [2022-12-14 05:20:09,253 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 05:20:09,253 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1849888847] [2022-12-14 05:20:09,253 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1849888847] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 05:20:09,253 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 05:20:09,253 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 05:20:09,253 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [574775140] [2022-12-14 05:20:09,253 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 05:20:09,254 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 05:20:09,254 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 05:20:09,255 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 05:20:09,255 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 05:20:09,255 INFO L87 Difference]: Start difference. First operand 15937 states and 23866 transitions. Second operand has 3 states, 3 states have (on average 29.0) internal successors, (87), 3 states have internal predecessors, (87), 3 states have call successors, (60), 2 states have call predecessors, (60), 1 states have return successors, (59), 2 states have call predecessors, (59), 2 states have call successors, (59) [2022-12-14 05:20:11,294 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 05:20:13,531 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 05:20:16,256 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 05:20:16,256 INFO L93 Difference]: Finished difference Result 15942 states and 23869 transitions. [2022-12-14 05:20:16,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 05:20:16,259 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 29.0) internal successors, (87), 3 states have internal predecessors, (87), 3 states have call successors, (60), 2 states have call predecessors, (60), 1 states have return successors, (59), 2 states have call predecessors, (59), 2 states have call successors, (59) Word has length 644 [2022-12-14 05:20:16,259 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 05:20:16,300 INFO L225 Difference]: With dead ends: 15942 [2022-12-14 05:20:16,300 INFO L226 Difference]: Without dead ends: 15934 [2022-12-14 05:20:16,306 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 05:20:16,306 INFO L413 NwaCegarLoop]: 3423 mSDtfsCounter, 3492 mSDsluCounter, 95 mSDsCounter, 0 mSdLazyCounter, 324 mSolverCounterSat, 0 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3501 SdHoareTripleChecker+Valid, 3518 SdHoareTripleChecker+Invalid, 326 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 324 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.5s IncrementalHoareTripleChecker+Time [2022-12-14 05:20:16,306 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3501 Valid, 3518 Invalid, 326 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 324 Invalid, 2 Unknown, 0 Unchecked, 6.5s Time] [2022-12-14 05:20:16,317 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15934 states. [2022-12-14 05:20:16,811 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15934 to 15931. [2022-12-14 05:20:16,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15931 states, 10297 states have (on average 1.3657375934738274) internal successors, (14063), 10658 states have internal predecessors, (14063), 4411 states have call successors, (4411), 1226 states have call predecessors, (4411), 1222 states have return successors, (5381), 4345 states have call predecessors, (5381), 4407 states have call successors, (5381) [2022-12-14 05:20:16,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15931 states to 15931 states and 23855 transitions. [2022-12-14 05:20:16,875 INFO L78 Accepts]: Start accepts. Automaton has 15931 states and 23855 transitions. Word has length 644 [2022-12-14 05:20:16,875 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 05:20:16,875 INFO L495 AbstractCegarLoop]: Abstraction has 15931 states and 23855 transitions. [2022-12-14 05:20:16,876 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 29.0) internal successors, (87), 3 states have internal predecessors, (87), 3 states have call successors, (60), 2 states have call predecessors, (60), 1 states have return successors, (59), 2 states have call predecessors, (59), 2 states have call successors, (59) [2022-12-14 05:20:16,876 INFO L276 IsEmpty]: Start isEmpty. Operand 15931 states and 23855 transitions. [2022-12-14 05:20:16,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 672 [2022-12-14 05:20:16,881 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 05:20:16,881 INFO L195 NwaCegarLoop]: trace histogram [38, 38, 38, 38, 38, 38, 38, 38, 38, 17, 17, 17, 17, 17, 17, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:20:16,881 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-12-14 05:20:16,881 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 05:20:16,882 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 05:20:16,882 INFO L85 PathProgramCache]: Analyzing trace with hash 1254056332, now seen corresponding path program 1 times [2022-12-14 05:20:16,882 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 05:20:16,882 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1466999570] [2022-12-14 05:20:16,882 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 05:20:16,882 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 05:20:17,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 05:20:17,687 INFO L134 CoverageAnalysis]: Checked inductivity of 7988 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7988 trivial. 0 not checked. [2022-12-14 05:20:17,687 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 05:20:17,688 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1466999570] [2022-12-14 05:20:17,688 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1466999570] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 05:20:17,688 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 05:20:17,688 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 05:20:17,688 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1266547683] [2022-12-14 05:20:17,688 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 05:20:17,688 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 05:20:17,688 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 05:20:17,689 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 05:20:17,689 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 05:20:17,689 INFO L87 Difference]: Start difference. First operand 15931 states and 23855 transitions. Second operand has 3 states, 3 states have (on average 35.333333333333336) internal successors, (106), 3 states have internal predecessors, (106), 3 states have call successors, (69), 3 states have call predecessors, (69), 2 states have return successors, (65), 2 states have call predecessors, (65), 2 states have call successors, (65) [2022-12-14 05:20:20,059 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 05:20:22,331 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 05:20:26,024 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.35s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 05:20:31,188 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 05:20:31,189 INFO L93 Difference]: Finished difference Result 31749 states and 49101 transitions. [2022-12-14 05:20:31,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 05:20:31,192 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 35.333333333333336) internal successors, (106), 3 states have internal predecessors, (106), 3 states have call successors, (69), 3 states have call predecessors, (69), 2 states have return successors, (65), 2 states have call predecessors, (65), 2 states have call successors, (65) Word has length 671 [2022-12-14 05:20:31,192 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 05:20:31,239 INFO L225 Difference]: With dead ends: 31749 [2022-12-14 05:20:31,239 INFO L226 Difference]: Without dead ends: 15933 [2022-12-14 05:20:31,294 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 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 05:20:31,295 INFO L413 NwaCegarLoop]: 6613 mSDtfsCounter, 3645 mSDsluCounter, 3460 mSDsCounter, 0 mSdLazyCounter, 846 mSolverCounterSat, 2 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3645 SdHoareTripleChecker+Valid, 10073 SdHoareTripleChecker+Invalid, 850 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 846 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.8s IncrementalHoareTripleChecker+Time [2022-12-14 05:20:31,295 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3645 Valid, 10073 Invalid, 850 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 846 Invalid, 2 Unknown, 0 Unchecked, 12.8s Time] [2022-12-14 05:20:31,306 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15933 states. [2022-12-14 05:20:31,951 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15933 to 15922. [2022-12-14 05:20:31,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15922 states, 10291 states have (on average 1.3646875910990186) internal successors, (14044), 10652 states have internal predecessors, (14044), 4408 states have call successors, (4408), 1223 states have call predecessors, (4408), 1222 states have return successors, (5277), 4345 states have call predecessors, (5277), 4403 states have call successors, (5277) [2022-12-14 05:20:32,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15922 states to 15922 states and 23729 transitions. [2022-12-14 05:20:32,015 INFO L78 Accepts]: Start accepts. Automaton has 15922 states and 23729 transitions. Word has length 671 [2022-12-14 05:20:32,016 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 05:20:32,016 INFO L495 AbstractCegarLoop]: Abstraction has 15922 states and 23729 transitions. [2022-12-14 05:20:32,016 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 35.333333333333336) internal successors, (106), 3 states have internal predecessors, (106), 3 states have call successors, (69), 3 states have call predecessors, (69), 2 states have return successors, (65), 2 states have call predecessors, (65), 2 states have call successors, (65) [2022-12-14 05:20:32,017 INFO L276 IsEmpty]: Start isEmpty. Operand 15922 states and 23729 transitions. [2022-12-14 05:20:32,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 682 [2022-12-14 05:20:32,023 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 05:20:32,023 INFO L195 NwaCegarLoop]: trace histogram [38, 38, 38, 38, 38, 38, 38, 38, 38, 17, 17, 17, 17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:20:32,023 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-12-14 05:20:32,023 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 05:20:32,024 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 05:20:32,024 INFO L85 PathProgramCache]: Analyzing trace with hash 760326829, now seen corresponding path program 1 times [2022-12-14 05:20:32,024 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 05:20:32,024 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1196010743] [2022-12-14 05:20:32,024 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 05:20:32,024 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 05:20:32,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 05:20:32,995 INFO L134 CoverageAnalysis]: Checked inductivity of 7982 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7982 trivial. 0 not checked. [2022-12-14 05:20:32,995 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 05:20:32,995 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1196010743] [2022-12-14 05:20:32,995 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1196010743] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 05:20:32,995 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 05:20:32,995 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 05:20:32,996 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2038895737] [2022-12-14 05:20:32,996 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 05:20:32,997 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 05:20:32,997 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 05:20:32,997 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 05:20:32,997 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 05:20:32,998 INFO L87 Difference]: Start difference. First operand 15922 states and 23729 transitions. Second operand has 3 states, 3 states have (on average 38.0) internal successors, (114), 3 states have internal predecessors, (114), 2 states have call successors, (71), 2 states have call predecessors, (71), 1 states have return successors, (67), 2 states have call predecessors, (67), 2 states have call successors, (67) [2022-12-14 05:20:35,041 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 05:20:37,393 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 05:20:41,288 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 05:20:41,288 INFO L93 Difference]: Finished difference Result 31726 states and 47268 transitions. [2022-12-14 05:20:41,292 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 05:20:41,293 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 38.0) internal successors, (114), 3 states have internal predecessors, (114), 2 states have call successors, (71), 2 states have call predecessors, (71), 1 states have return successors, (67), 2 states have call predecessors, (67), 2 states have call successors, (67) Word has length 681 [2022-12-14 05:20:41,293 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 05:20:41,338 INFO L225 Difference]: With dead ends: 31726 [2022-12-14 05:20:41,338 INFO L226 Difference]: Without dead ends: 15919 [2022-12-14 05:20:41,377 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 05:20:41,377 INFO L413 NwaCegarLoop]: 3420 mSDtfsCounter, 3433 mSDsluCounter, 266 mSDsCounter, 0 mSdLazyCounter, 335 mSolverCounterSat, 0 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3442 SdHoareTripleChecker+Valid, 3686 SdHoareTripleChecker+Invalid, 337 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 335 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.7s IncrementalHoareTripleChecker+Time [2022-12-14 05:20:41,377 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3442 Valid, 3686 Invalid, 337 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 335 Invalid, 2 Unknown, 0 Unchecked, 7.7s Time] [2022-12-14 05:20:41,388 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15919 states. [2022-12-14 05:20:41,946 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15919 to 15919. [2022-12-14 05:20:41,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15919 states, 10290 states have (on average 1.3640427599611273) internal successors, (14036), 10651 states have internal predecessors, (14036), 4402 states have call successors, (4402), 1227 states have call predecessors, (4402), 1226 states have return successors, (5263), 4339 states have call predecessors, (5263), 4397 states have call successors, (5263) [2022-12-14 05:20:42,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15919 states to 15919 states and 23701 transitions. [2022-12-14 05:20:42,007 INFO L78 Accepts]: Start accepts. Automaton has 15919 states and 23701 transitions. Word has length 681 [2022-12-14 05:20:42,008 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 05:20:42,008 INFO L495 AbstractCegarLoop]: Abstraction has 15919 states and 23701 transitions. [2022-12-14 05:20:42,008 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 38.0) internal successors, (114), 3 states have internal predecessors, (114), 2 states have call successors, (71), 2 states have call predecessors, (71), 1 states have return successors, (67), 2 states have call predecessors, (67), 2 states have call successors, (67) [2022-12-14 05:20:42,008 INFO L276 IsEmpty]: Start isEmpty. Operand 15919 states and 23701 transitions. [2022-12-14 05:20:42,014 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 679 [2022-12-14 05:20:42,014 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 05:20:42,014 INFO L195 NwaCegarLoop]: trace histogram [38, 38, 38, 38, 38, 38, 38, 38, 38, 17, 17, 17, 17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:20:42,015 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-12-14 05:20:42,015 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 05:20:42,015 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 05:20:42,015 INFO L85 PathProgramCache]: Analyzing trace with hash 1493811315, now seen corresponding path program 1 times [2022-12-14 05:20:42,015 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 05:20:42,015 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1563454] [2022-12-14 05:20:42,015 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 05:20:42,015 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 05:20:42,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 05:20:42,918 INFO L134 CoverageAnalysis]: Checked inductivity of 7982 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7982 trivial. 0 not checked. [2022-12-14 05:20:42,918 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 05:20:42,919 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1563454] [2022-12-14 05:20:42,919 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1563454] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 05:20:42,919 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 05:20:42,919 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 05:20:42,919 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1974590635] [2022-12-14 05:20:42,919 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 05:20:42,920 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 05:20:42,921 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 05:20:42,921 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 05:20:42,921 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 05:20:42,921 INFO L87 Difference]: Start difference. First operand 15919 states and 23701 transitions. Second operand has 3 states, 3 states have (on average 37.0) internal successors, (111), 3 states have internal predecessors, (111), 2 states have call successors, (71), 2 states have call predecessors, (71), 1 states have return successors, (67), 2 states have call predecessors, (67), 2 states have call successors, (67) [2022-12-14 05:20:44,335 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.41s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 05:20:46,573 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 05:20:48,311 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.05s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 05:20:50,318 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 05:20:50,318 INFO L93 Difference]: Finished difference Result 31694 states and 47188 transitions. [2022-12-14 05:20:50,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 05:20:50,322 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 37.0) internal successors, (111), 3 states have internal predecessors, (111), 2 states have call successors, (71), 2 states have call predecessors, (71), 1 states have return successors, (67), 2 states have call predecessors, (67), 2 states have call successors, (67) Word has length 678 [2022-12-14 05:20:50,322 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 05:20:50,379 INFO L225 Difference]: With dead ends: 31694 [2022-12-14 05:20:50,380 INFO L226 Difference]: Without dead ends: 15903 [2022-12-14 05:20:50,414 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 05:20:50,415 INFO L413 NwaCegarLoop]: 3408 mSDtfsCounter, 3600 mSDsluCounter, 92 mSDsCounter, 0 mSdLazyCounter, 326 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3609 SdHoareTripleChecker+Valid, 3500 SdHoareTripleChecker+Invalid, 328 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 326 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.7s IncrementalHoareTripleChecker+Time [2022-12-14 05:20:50,415 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3609 Valid, 3500 Invalid, 328 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 326 Invalid, 1 Unknown, 0 Unchecked, 6.7s Time] [2022-12-14 05:20:50,424 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15903 states. [2022-12-14 05:20:50,995 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15903 to 15903. [2022-12-14 05:20:51,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15903 states, 10282 states have (on average 1.3635479478700643) internal successors, (14020), 10643 states have internal predecessors, (14020), 4394 states have call successors, (4394), 1227 states have call predecessors, (4394), 1226 states have return successors, (5247), 4331 states have call predecessors, (5247), 4389 states have call successors, (5247) [2022-12-14 05:20:51,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15903 states to 15903 states and 23661 transitions. [2022-12-14 05:20:51,058 INFO L78 Accepts]: Start accepts. Automaton has 15903 states and 23661 transitions. Word has length 678 [2022-12-14 05:20:51,059 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 05:20:51,059 INFO L495 AbstractCegarLoop]: Abstraction has 15903 states and 23661 transitions. [2022-12-14 05:20:51,059 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 37.0) internal successors, (111), 3 states have internal predecessors, (111), 2 states have call successors, (71), 2 states have call predecessors, (71), 1 states have return successors, (67), 2 states have call predecessors, (67), 2 states have call successors, (67) [2022-12-14 05:20:51,059 INFO L276 IsEmpty]: Start isEmpty. Operand 15903 states and 23661 transitions. [2022-12-14 05:20:51,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 680 [2022-12-14 05:20:51,065 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 05:20:51,065 INFO L195 NwaCegarLoop]: trace histogram [38, 38, 38, 38, 38, 38, 38, 38, 38, 17, 17, 17, 17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:20:51,065 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-12-14 05:20:51,065 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 05:20:51,066 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 05:20:51,066 INFO L85 PathProgramCache]: Analyzing trace with hash -689433884, now seen corresponding path program 1 times [2022-12-14 05:20:51,066 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 05:20:51,066 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [320893944] [2022-12-14 05:20:51,066 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 05:20:51,066 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 05:20:51,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 05:20:51,888 INFO L134 CoverageAnalysis]: Checked inductivity of 7982 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7982 trivial. 0 not checked. [2022-12-14 05:20:51,888 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 05:20:51,888 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [320893944] [2022-12-14 05:20:51,888 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [320893944] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 05:20:51,888 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 05:20:51,888 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 05:20:51,889 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2046736580] [2022-12-14 05:20:51,889 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 05:20:51,890 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 05:20:51,890 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 05:20:51,890 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 05:20:51,890 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 05:20:51,891 INFO L87 Difference]: Start difference. First operand 15903 states and 23661 transitions. Second operand has 3 states, 3 states have (on average 37.333333333333336) internal successors, (112), 3 states have internal predecessors, (112), 2 states have call successors, (71), 2 states have call predecessors, (71), 1 states have return successors, (67), 2 states have call predecessors, (67), 2 states have call successors, (67) [2022-12-14 05:20:54,911 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 05:20:58,325 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 05:20:58,325 INFO L93 Difference]: Finished difference Result 31662 states and 47108 transitions. [2022-12-14 05:20:58,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 05:20:58,328 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 37.333333333333336) internal successors, (112), 3 states have internal predecessors, (112), 2 states have call successors, (71), 2 states have call predecessors, (71), 1 states have return successors, (67), 2 states have call predecessors, (67), 2 states have call successors, (67) Word has length 679 [2022-12-14 05:20:58,328 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 05:20:58,372 INFO L225 Difference]: With dead ends: 31662 [2022-12-14 05:20:58,372 INFO L226 Difference]: Without dead ends: 15887 [2022-12-14 05:20:58,413 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 05:20:58,413 INFO L413 NwaCegarLoop]: 3404 mSDtfsCounter, 3595 mSDsluCounter, 92 mSDsCounter, 0 mSdLazyCounter, 326 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3604 SdHoareTripleChecker+Valid, 3496 SdHoareTripleChecker+Invalid, 328 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 326 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.6s IncrementalHoareTripleChecker+Time [2022-12-14 05:20:58,413 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3604 Valid, 3496 Invalid, 328 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 326 Invalid, 1 Unknown, 0 Unchecked, 5.6s Time] [2022-12-14 05:20:58,423 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15887 states. [2022-12-14 05:20:59,040 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15887 to 15887. [2022-12-14 05:20:59,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15887 states, 10274 states have (on average 1.3630523651936928) internal successors, (14004), 10635 states have internal predecessors, (14004), 4386 states have call successors, (4386), 1227 states have call predecessors, (4386), 1226 states have return successors, (5231), 4323 states have call predecessors, (5231), 4381 states have call successors, (5231) [2022-12-14 05:20:59,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15887 states to 15887 states and 23621 transitions. [2022-12-14 05:20:59,104 INFO L78 Accepts]: Start accepts. Automaton has 15887 states and 23621 transitions. Word has length 679 [2022-12-14 05:20:59,104 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 05:20:59,104 INFO L495 AbstractCegarLoop]: Abstraction has 15887 states and 23621 transitions. [2022-12-14 05:20:59,105 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 37.333333333333336) internal successors, (112), 3 states have internal predecessors, (112), 2 states have call successors, (71), 2 states have call predecessors, (71), 1 states have return successors, (67), 2 states have call predecessors, (67), 2 states have call successors, (67) [2022-12-14 05:20:59,105 INFO L276 IsEmpty]: Start isEmpty. Operand 15887 states and 23621 transitions. [2022-12-14 05:20:59,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 681 [2022-12-14 05:20:59,141 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 05:20:59,141 INFO L195 NwaCegarLoop]: trace histogram [38, 38, 38, 38, 38, 38, 38, 38, 38, 17, 17, 17, 17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:20:59,141 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-12-14 05:20:59,142 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 05:20:59,142 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 05:20:59,142 INFO L85 PathProgramCache]: Analyzing trace with hash -1264773284, now seen corresponding path program 1 times [2022-12-14 05:20:59,142 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 05:20:59,142 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [354791655] [2022-12-14 05:20:59,142 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 05:20:59,143 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 05:20:59,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 05:20:59,935 INFO L134 CoverageAnalysis]: Checked inductivity of 7982 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7982 trivial. 0 not checked. [2022-12-14 05:20:59,935 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 05:20:59,936 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [354791655] [2022-12-14 05:20:59,936 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [354791655] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 05:20:59,936 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 05:20:59,936 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 05:20:59,936 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [56616003] [2022-12-14 05:20:59,936 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 05:20:59,937 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 05:20:59,937 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 05:20:59,938 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 05:20:59,938 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 05:20:59,938 INFO L87 Difference]: Start difference. First operand 15887 states and 23621 transitions. Second operand has 3 states, 3 states have (on average 37.666666666666664) internal successors, (113), 3 states have internal predecessors, (113), 2 states have call successors, (71), 2 states have call predecessors, (71), 1 states have return successors, (67), 2 states have call predecessors, (67), 2 states have call successors, (67) [2022-12-14 05:21:01,975 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 05:21:04,440 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 05:21:07,326 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 05:21:07,326 INFO L93 Difference]: Finished difference Result 31330 states and 46556 transitions. [2022-12-14 05:21:07,329 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 05:21:07,329 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 37.666666666666664) internal successors, (113), 3 states have internal predecessors, (113), 2 states have call successors, (71), 2 states have call predecessors, (71), 1 states have return successors, (67), 2 states have call predecessors, (67), 2 states have call successors, (67) Word has length 680 [2022-12-14 05:21:07,330 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 05:21:07,369 INFO L225 Difference]: With dead ends: 31330 [2022-12-14 05:21:07,369 INFO L226 Difference]: Without dead ends: 15571 [2022-12-14 05:21:07,406 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 05:21:07,407 INFO L413 NwaCegarLoop]: 3364 mSDtfsCounter, 3374 mSDsluCounter, 266 mSDsCounter, 0 mSdLazyCounter, 330 mSolverCounterSat, 0 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3382 SdHoareTripleChecker+Valid, 3630 SdHoareTripleChecker+Invalid, 332 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 330 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.7s IncrementalHoareTripleChecker+Time [2022-12-14 05:21:07,407 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3382 Valid, 3630 Invalid, 332 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 330 Invalid, 2 Unknown, 0 Unchecked, 6.7s Time] [2022-12-14 05:21:07,417 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15571 states. [2022-12-14 05:21:08,078 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15571 to 15571. [2022-12-14 05:21:08,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15571 states, 10102 states have (on average 1.364086319540685) internal successors, (13780), 10443 states have internal predecessors, (13780), 4262 states have call successors, (4262), 1207 states have call predecessors, (4262), 1206 states have return successors, (5067), 4199 states have call predecessors, (5067), 4257 states have call successors, (5067) [2022-12-14 05:21:08,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15571 states to 15571 states and 23109 transitions. [2022-12-14 05:21:08,134 INFO L78 Accepts]: Start accepts. Automaton has 15571 states and 23109 transitions. Word has length 680 [2022-12-14 05:21:08,135 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 05:21:08,135 INFO L495 AbstractCegarLoop]: Abstraction has 15571 states and 23109 transitions. [2022-12-14 05:21:08,135 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 37.666666666666664) internal successors, (113), 3 states have internal predecessors, (113), 2 states have call successors, (71), 2 states have call predecessors, (71), 1 states have return successors, (67), 2 states have call predecessors, (67), 2 states have call successors, (67) [2022-12-14 05:21:08,135 INFO L276 IsEmpty]: Start isEmpty. Operand 15571 states and 23109 transitions. [2022-12-14 05:21:08,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 691 [2022-12-14 05:21:08,143 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 05:21:08,143 INFO L195 NwaCegarLoop]: trace histogram [39, 39, 39, 39, 39, 39, 39, 39, 39, 17, 17, 17, 17, 17, 17, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:21:08,143 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-12-14 05:21:08,143 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 05:21:08,143 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 05:21:08,143 INFO L85 PathProgramCache]: Analyzing trace with hash 1829309832, now seen corresponding path program 1 times [2022-12-14 05:21:08,144 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 05:21:08,144 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1162145537] [2022-12-14 05:21:08,144 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 05:21:08,144 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 05:21:08,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 05:21:08,584 INFO L134 CoverageAnalysis]: Checked inductivity of 8364 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 8362 trivial. 0 not checked. [2022-12-14 05:21:08,585 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 05:21:08,585 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1162145537] [2022-12-14 05:21:08,585 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1162145537] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 05:21:08,585 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 05:21:08,585 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 05:21:08,585 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1678417736] [2022-12-14 05:21:08,585 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 05:21:08,586 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 05:21:08,586 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 05:21:08,587 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 05:21:08,587 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 05:21:08,587 INFO L87 Difference]: Start difference. First operand 15571 states and 23109 transitions. Second operand has 3 states, 3 states have (on average 38.666666666666664) internal successors, (116), 3 states have internal predecessors, (116), 2 states have call successors, (70), 2 states have call predecessors, (70), 1 states have return successors, (66), 2 states have call predecessors, (66), 2 states have call successors, (66) [2022-12-14 05:21:10,624 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 05:21:13,307 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 05:21:20,120 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 05:21:20,120 INFO L93 Difference]: Finished difference Result 33521 states and 49670 transitions. [2022-12-14 05:21:20,123 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 05:21:20,123 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 38.666666666666664) internal successors, (116), 3 states have internal predecessors, (116), 2 states have call successors, (70), 2 states have call predecessors, (70), 1 states have return successors, (66), 2 states have call predecessors, (66), 2 states have call successors, (66) Word has length 690 [2022-12-14 05:21:20,123 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 05:21:20,172 INFO L225 Difference]: With dead ends: 33521 [2022-12-14 05:21:20,172 INFO L226 Difference]: Without dead ends: 18078 [2022-12-14 05:21:20,249 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 05:21:20,249 INFO L413 NwaCegarLoop]: 5448 mSDtfsCounter, 3237 mSDsluCounter, 3347 mSDsCounter, 0 mSdLazyCounter, 760 mSolverCounterSat, 2 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3245 SdHoareTripleChecker+Valid, 8795 SdHoareTripleChecker+Invalid, 764 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 760 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.5s IncrementalHoareTripleChecker+Time [2022-12-14 05:21:20,250 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3245 Valid, 8795 Invalid, 764 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 760 Invalid, 2 Unknown, 0 Unchecked, 10.5s Time] [2022-12-14 05:21:20,258 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18078 states. [2022-12-14 05:21:21,004 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18078 to 18063. [2022-12-14 05:21:21,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18063 states, 11742 states have (on average 1.3645034917390564) internal successors, (16022), 12118 states have internal predecessors, (16022), 4885 states have call successors, (4885), 1436 states have call predecessors, (4885), 1435 states have return successors, (5816), 4814 states have call predecessors, (5816), 4880 states have call successors, (5816) [2022-12-14 05:21:21,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18063 states to 18063 states and 26723 transitions. [2022-12-14 05:21:21,102 INFO L78 Accepts]: Start accepts. Automaton has 18063 states and 26723 transitions. Word has length 690 [2022-12-14 05:21:21,103 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 05:21:21,103 INFO L495 AbstractCegarLoop]: Abstraction has 18063 states and 26723 transitions. [2022-12-14 05:21:21,103 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 38.666666666666664) internal successors, (116), 3 states have internal predecessors, (116), 2 states have call successors, (70), 2 states have call predecessors, (70), 1 states have return successors, (66), 2 states have call predecessors, (66), 2 states have call successors, (66) [2022-12-14 05:21:21,103 INFO L276 IsEmpty]: Start isEmpty. Operand 18063 states and 26723 transitions. [2022-12-14 05:21:21,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 719 [2022-12-14 05:21:21,113 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 05:21:21,113 INFO L195 NwaCegarLoop]: trace histogram [40, 40, 40, 40, 40, 40, 40, 40, 40, 17, 17, 17, 17, 17, 17, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:21:21,113 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-12-14 05:21:21,114 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 05:21:21,114 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 05:21:21,114 INFO L85 PathProgramCache]: Analyzing trace with hash -683340365, now seen corresponding path program 1 times [2022-12-14 05:21:21,114 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 05:21:21,114 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1048663717] [2022-12-14 05:21:21,114 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 05:21:21,114 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 05:21:21,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 05:21:21,582 INFO L134 CoverageAnalysis]: Checked inductivity of 8760 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 8754 trivial. 0 not checked. [2022-12-14 05:21:21,582 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 05:21:21,582 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1048663717] [2022-12-14 05:21:21,582 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1048663717] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 05:21:21,582 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 05:21:21,583 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 05:21:21,583 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2035012879] [2022-12-14 05:21:21,583 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 05:21:21,584 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 05:21:21,584 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 05:21:21,584 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 05:21:21,584 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 05:21:21,585 INFO L87 Difference]: Start difference. First operand 18063 states and 26723 transitions. Second operand has 3 states, 3 states have (on average 44.0) internal successors, (132), 3 states have internal predecessors, (132), 3 states have call successors, (71), 2 states have call predecessors, (71), 1 states have return successors, (67), 3 states have call predecessors, (67), 3 states have call successors, (67) [2022-12-14 05:21:23,634 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 05:21:26,417 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 05:21:31,872 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.67s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 05:21:35,254 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.48s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 05:21:37,115 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 05:21:37,115 INFO L93 Difference]: Finished difference Result 41945 states and 62307 transitions. [2022-12-14 05:21:37,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 05:21:37,119 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 44.0) internal successors, (132), 3 states have internal predecessors, (132), 3 states have call successors, (71), 2 states have call predecessors, (71), 1 states have return successors, (67), 3 states have call predecessors, (67), 3 states have call successors, (67) Word has length 718 [2022-12-14 05:21:37,119 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 05:21:37,191 INFO L225 Difference]: With dead ends: 41945 [2022-12-14 05:21:37,192 INFO L226 Difference]: Without dead ends: 26854 [2022-12-14 05:21:37,235 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 05:21:37,235 INFO L413 NwaCegarLoop]: 4959 mSDtfsCounter, 3256 mSDsluCounter, 3204 mSDsCounter, 0 mSdLazyCounter, 805 mSolverCounterSat, 72 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3264 SdHoareTripleChecker+Valid, 8163 SdHoareTripleChecker+Invalid, 879 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 72 IncrementalHoareTripleChecker+Valid, 805 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.3s IncrementalHoareTripleChecker+Time [2022-12-14 05:21:37,236 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3264 Valid, 8163 Invalid, 879 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [72 Valid, 805 Invalid, 2 Unknown, 0 Unchecked, 14.3s Time] [2022-12-14 05:21:37,253 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26854 states. [2022-12-14 05:21:38,460 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26854 to 26793. [2022-12-14 05:21:38,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26793 states, 17458 states have (on average 1.3624126474968496) internal successors, (23785), 18044 states have internal predecessors, (23785), 7259 states have call successors, (7259), 2076 states have call predecessors, (7259), 2075 states have return successors, (8628), 7138 states have call predecessors, (8628), 7254 states have call successors, (8628) [2022-12-14 05:21:38,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26793 states to 26793 states and 39672 transitions. [2022-12-14 05:21:38,562 INFO L78 Accepts]: Start accepts. Automaton has 26793 states and 39672 transitions. Word has length 718 [2022-12-14 05:21:38,562 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 05:21:38,562 INFO L495 AbstractCegarLoop]: Abstraction has 26793 states and 39672 transitions. [2022-12-14 05:21:38,563 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 44.0) internal successors, (132), 3 states have internal predecessors, (132), 3 states have call successors, (71), 2 states have call predecessors, (71), 1 states have return successors, (67), 3 states have call predecessors, (67), 3 states have call successors, (67) [2022-12-14 05:21:38,563 INFO L276 IsEmpty]: Start isEmpty. Operand 26793 states and 39672 transitions. [2022-12-14 05:21:38,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 715 [2022-12-14 05:21:38,574 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 05:21:38,575 INFO L195 NwaCegarLoop]: trace histogram [40, 40, 40, 40, 40, 40, 40, 40, 40, 17, 17, 17, 17, 17, 17, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:21:38,575 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-12-14 05:21:38,575 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 05:21:38,575 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 05:21:38,575 INFO L85 PathProgramCache]: Analyzing trace with hash 741337920, now seen corresponding path program 1 times [2022-12-14 05:21:38,575 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 05:21:38,575 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [121329982] [2022-12-14 05:21:38,575 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 05:21:38,576 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 05:21:38,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 05:21:40,637 INFO L134 CoverageAnalysis]: Checked inductivity of 8760 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 8754 trivial. 0 not checked. [2022-12-14 05:21:40,637 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 05:21:40,637 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [121329982] [2022-12-14 05:21:40,637 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [121329982] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 05:21:40,638 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 05:21:40,638 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-14 05:21:40,638 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [607480361] [2022-12-14 05:21:40,638 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 05:21:40,639 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-14 05:21:40,639 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 05:21:40,639 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-14 05:21:40,640 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-14 05:21:40,640 INFO L87 Difference]: Start difference. First operand 26793 states and 39672 transitions. Second operand has 5 states, 5 states have (on average 26.4) internal successors, (132), 4 states have internal predecessors, (132), 2 states have call successors, (69), 2 states have call predecessors, (69), 2 states have return successors, (65), 3 states have call predecessors, (65), 2 states have call successors, (65) [2022-12-14 05:21:43,556 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 05:21:45,564 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 05:21:47,572 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 05:21:50,586 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 05:21:54,519 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.24s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 05:22:00,929 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 05:22:00,929 INFO L93 Difference]: Finished difference Result 53441 states and 79904 transitions. [2022-12-14 05:22:00,932 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-14 05:22:00,932 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 26.4) internal successors, (132), 4 states have internal predecessors, (132), 2 states have call successors, (69), 2 states have call predecessors, (69), 2 states have return successors, (65), 3 states have call predecessors, (65), 2 states have call successors, (65) Word has length 714 [2022-12-14 05:22:00,933 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 05:22:01,015 INFO L225 Difference]: With dead ends: 53441 [2022-12-14 05:22:01,015 INFO L226 Difference]: Without dead ends: 29620 [2022-12-14 05:22:01,073 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-14 05:22:01,074 INFO L413 NwaCegarLoop]: 3894 mSDtfsCounter, 396 mSDsluCounter, 11207 mSDsCounter, 0 mSdLazyCounter, 1228 mSolverCounterSat, 0 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 18.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 480 SdHoareTripleChecker+Valid, 15101 SdHoareTripleChecker+Invalid, 1232 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1228 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 19.0s IncrementalHoareTripleChecker+Time [2022-12-14 05:22:01,074 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [480 Valid, 15101 Invalid, 1232 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1228 Invalid, 4 Unknown, 0 Unchecked, 19.0s Time] [2022-12-14 05:22:01,093 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29620 states. [2022-12-14 05:22:02,398 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29620 to 26817. [2022-12-14 05:22:02,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26817 states, 17476 states have (on average 1.3620393682764935) internal successors, (23803), 18062 states have internal predecessors, (23803), 7259 states have call successors, (7259), 2076 states have call predecessors, (7259), 2081 states have return successors, (8694), 7144 states have call predecessors, (8694), 7254 states have call successors, (8694) [2022-12-14 05:22:02,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26817 states to 26817 states and 39756 transitions. [2022-12-14 05:22:02,499 INFO L78 Accepts]: Start accepts. Automaton has 26817 states and 39756 transitions. Word has length 714 [2022-12-14 05:22:02,499 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 05:22:02,499 INFO L495 AbstractCegarLoop]: Abstraction has 26817 states and 39756 transitions. [2022-12-14 05:22:02,500 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 26.4) internal successors, (132), 4 states have internal predecessors, (132), 2 states have call successors, (69), 2 states have call predecessors, (69), 2 states have return successors, (65), 3 states have call predecessors, (65), 2 states have call successors, (65) [2022-12-14 05:22:02,500 INFO L276 IsEmpty]: Start isEmpty. Operand 26817 states and 39756 transitions. [2022-12-14 05:22:02,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 725 [2022-12-14 05:22:02,511 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 05:22:02,511 INFO L195 NwaCegarLoop]: trace histogram [38, 38, 38, 38, 38, 38, 38, 38, 38, 17, 17, 17, 17, 17, 17, 5, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:22:02,512 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-12-14 05:22:02,512 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 05:22:02,512 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 05:22:02,512 INFO L85 PathProgramCache]: Analyzing trace with hash 1235276243, now seen corresponding path program 1 times [2022-12-14 05:22:02,512 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 05:22:02,512 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [211981022] [2022-12-14 05:22:02,512 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 05:22:02,512 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 05:22:02,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 05:22:06,265 INFO L134 CoverageAnalysis]: Checked inductivity of 8011 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 8004 trivial. 0 not checked. [2022-12-14 05:22:06,265 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 05:22:06,265 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [211981022] [2022-12-14 05:22:06,265 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [211981022] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 05:22:06,265 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 05:22:06,266 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-12-14 05:22:06,266 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1314349260] [2022-12-14 05:22:06,266 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 05:22:06,267 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-12-14 05:22:06,267 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 05:22:06,268 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-12-14 05:22:06,268 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2022-12-14 05:22:06,268 INFO L87 Difference]: Start difference. First operand 26817 states and 39756 transitions. Second operand has 11 states, 8 states have (on average 16.625) internal successors, (133), 7 states have internal predecessors, (133), 2 states have call successors, (83), 2 states have call predecessors, (83), 5 states have return successors, (74), 6 states have call predecessors, (74), 2 states have call successors, (74) [2022-12-14 05:22:07,633 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.36s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 05:22:10,380 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.57s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 05:22:12,397 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 05:22:14,404 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 05:22:16,416 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 05:22:18,425 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 05:22:20,433 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 05:22:24,814 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 05:22:27,840 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.08s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 05:22:34,527 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.20s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 05:22:36,075 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.55s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 05:22:37,103 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.03s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 05:22:45,577 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.02s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 05:22:52,984 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 05:22:52,985 INFO L93 Difference]: Finished difference Result 53662 states and 80656 transitions. [2022-12-14 05:22:52,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-12-14 05:22:52,988 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 8 states have (on average 16.625) internal successors, (133), 7 states have internal predecessors, (133), 2 states have call successors, (83), 2 states have call predecessors, (83), 5 states have return successors, (74), 6 states have call predecessors, (74), 2 states have call successors, (74) Word has length 724 [2022-12-14 05:22:52,989 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 05:22:53,075 INFO L225 Difference]: With dead ends: 53662 [2022-12-14 05:22:53,075 INFO L226 Difference]: Without dead ends: 26973 [2022-12-14 05:22:53,161 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2022-12-14 05:22:53,162 INFO L413 NwaCegarLoop]: 3371 mSDtfsCounter, 2 mSDsluCounter, 30276 mSDsCounter, 0 mSdLazyCounter, 2986 mSolverCounterSat, 0 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 44.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 33647 SdHoareTripleChecker+Invalid, 2992 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2986 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 45.1s IncrementalHoareTripleChecker+Time [2022-12-14 05:22:53,162 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 33647 Invalid, 2992 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 2986 Invalid, 6 Unknown, 0 Unchecked, 45.1s Time] [2022-12-14 05:22:53,181 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26973 states. [2022-12-14 05:22:54,393 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26973 to 26973. [2022-12-14 05:22:54,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26973 states, 17568 states have (on average 1.3601434426229508) internal successors, (23895), 18162 states have internal predecessors, (23895), 7259 states have call successors, (7259), 2076 states have call predecessors, (7259), 2145 states have return successors, (9294), 7200 states have call predecessors, (9294), 7254 states have call successors, (9294) [2022-12-14 05:22:54,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26973 states to 26973 states and 40448 transitions. [2022-12-14 05:22:54,504 INFO L78 Accepts]: Start accepts. Automaton has 26973 states and 40448 transitions. Word has length 724 [2022-12-14 05:22:54,505 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 05:22:54,505 INFO L495 AbstractCegarLoop]: Abstraction has 26973 states and 40448 transitions. [2022-12-14 05:22:54,505 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 8 states have (on average 16.625) internal successors, (133), 7 states have internal predecessors, (133), 2 states have call successors, (83), 2 states have call predecessors, (83), 5 states have return successors, (74), 6 states have call predecessors, (74), 2 states have call successors, (74) [2022-12-14 05:22:54,505 INFO L276 IsEmpty]: Start isEmpty. Operand 26973 states and 40448 transitions. [2022-12-14 05:22:54,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 719 [2022-12-14 05:22:54,517 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 05:22:54,517 INFO L195 NwaCegarLoop]: trace histogram [41, 40, 40, 40, 40, 40, 40, 40, 40, 17, 17, 17, 17, 17, 17, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:22:54,517 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-12-14 05:22:54,517 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 05:22:54,518 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 05:22:54,518 INFO L85 PathProgramCache]: Analyzing trace with hash 950007606, now seen corresponding path program 1 times [2022-12-14 05:22:54,518 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 05:22:54,518 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [813141070] [2022-12-14 05:22:54,518 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 05:22:54,518 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 05:22:55,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 05:22:56,150 INFO L134 CoverageAnalysis]: Checked inductivity of 8840 backedges. 0 proven. 80 refuted. 0 times theorem prover too weak. 8760 trivial. 0 not checked. [2022-12-14 05:22:56,150 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 05:22:56,151 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [813141070] [2022-12-14 05:22:56,151 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [813141070] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-14 05:22:56,151 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [783805423] [2022-12-14 05:22:56,151 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 05:22:56,151 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 05:22:56,151 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2d65479-99c9-4434-bd3d-052f3c15e97b/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 05:22:56,152 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2d65479-99c9-4434-bd3d-052f3c15e97b/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 05:22:56,153 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2d65479-99c9-4434-bd3d-052f3c15e97b/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-12-14 05:22:59,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 05:22:59,781 INFO L263 TraceCheckSpWp]: Trace formula consists of 7720 conjuncts, 13 conjunts are in the unsatisfiable core [2022-12-14 05:22:59,803 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 05:22:59,898 INFO L134 CoverageAnalysis]: Checked inductivity of 8840 backedges. 948 proven. 0 refuted. 0 times theorem prover too weak. 7892 trivial. 0 not checked. [2022-12-14 05:22:59,898 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 05:22:59,899 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [783805423] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 05:22:59,899 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-14 05:22:59,899 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [6] total 8 [2022-12-14 05:22:59,899 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [370921441] [2022-12-14 05:22:59,899 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 05:22:59,900 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-14 05:22:59,900 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 05:22:59,900 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-14 05:22:59,900 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2022-12-14 05:22:59,901 INFO L87 Difference]: Start difference. First operand 26973 states and 40448 transitions. Second operand has 6 states, 4 states have (on average 34.75) internal successors, (139), 6 states have internal predecessors, (139), 3 states have call successors, (73), 2 states have call predecessors, (73), 4 states have return successors, (69), 3 states have call predecessors, (69), 3 states have call successors, (69) [2022-12-14 05:23:01,953 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 05:23:05,272 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 05:23:08,845 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.71s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 05:23:12,530 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.30s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 05:23:15,223 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.18s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 05:23:17,132 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.07s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 05:23:18,471 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.14s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 05:23:22,082 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 05:23:22,082 INFO L93 Difference]: Finished difference Result 53890 states and 81455 transitions. [2022-12-14 05:23:22,085 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-14 05:23:22,085 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 4 states have (on average 34.75) internal successors, (139), 6 states have internal predecessors, (139), 3 states have call successors, (73), 2 states have call predecessors, (73), 4 states have return successors, (69), 3 states have call predecessors, (69), 3 states have call successors, (69) Word has length 718 [2022-12-14 05:23:22,085 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 05:23:22,165 INFO L225 Difference]: With dead ends: 53890 [2022-12-14 05:23:22,165 INFO L226 Difference]: Without dead ends: 26996 [2022-12-14 05:23:22,237 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 725 GetRequests, 717 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2022-12-14 05:23:22,238 INFO L413 NwaCegarLoop]: 3332 mSDtfsCounter, 3 mSDsluCounter, 13278 mSDsCounter, 0 mSdLazyCounter, 1596 mSolverCounterSat, 24 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 20.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 16610 SdHoareTripleChecker+Invalid, 1622 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 1596 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 20.8s IncrementalHoareTripleChecker+Time [2022-12-14 05:23:22,238 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 16610 Invalid, 1622 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 1596 Invalid, 2 Unknown, 0 Unchecked, 20.8s Time] [2022-12-14 05:23:22,257 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26996 states. [2022-12-14 05:23:23,508 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26996 to 26996. [2022-12-14 05:23:23,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26996 states, 17583 states have (on average 1.3602911903543196) internal successors, (23918), 18185 states have internal predecessors, (23918), 7259 states have call successors, (7259), 2076 states have call predecessors, (7259), 2153 states have return successors, (9302), 7200 states have call predecessors, (9302), 7254 states have call successors, (9302) [2022-12-14 05:23:23,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26996 states to 26996 states and 40479 transitions. [2022-12-14 05:23:23,618 INFO L78 Accepts]: Start accepts. Automaton has 26996 states and 40479 transitions. Word has length 718 [2022-12-14 05:23:23,618 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 05:23:23,618 INFO L495 AbstractCegarLoop]: Abstraction has 26996 states and 40479 transitions. [2022-12-14 05:23:23,618 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 4 states have (on average 34.75) internal successors, (139), 6 states have internal predecessors, (139), 3 states have call successors, (73), 2 states have call predecessors, (73), 4 states have return successors, (69), 3 states have call predecessors, (69), 3 states have call successors, (69) [2022-12-14 05:23:23,618 INFO L276 IsEmpty]: Start isEmpty. Operand 26996 states and 40479 transitions. [2022-12-14 05:23:23,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 736 [2022-12-14 05:23:23,632 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 05:23:23,632 INFO L195 NwaCegarLoop]: trace histogram [41, 40, 40, 40, 40, 40, 40, 40, 40, 17, 17, 17, 17, 17, 17, 17, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:23:23,660 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2d65479-99c9-4434-bd3d-052f3c15e97b/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-12-14 05:23:23,833 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2d65479-99c9-4434-bd3d-052f3c15e97b/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2022-12-14 05:23:23,835 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 05:23:23,836 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 05:23:23,837 INFO L85 PathProgramCache]: Analyzing trace with hash -1438242406, now seen corresponding path program 1 times [2022-12-14 05:23:23,837 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 05:23:23,837 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [778425077] [2022-12-14 05:23:23,838 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 05:23:23,838 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 05:23:24,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 05:23:25,843 INFO L134 CoverageAnalysis]: Checked inductivity of 9265 backedges. 8 proven. 121 refuted. 0 times theorem prover too weak. 9136 trivial. 0 not checked. [2022-12-14 05:23:25,843 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 05:23:25,843 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [778425077] [2022-12-14 05:23:25,844 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [778425077] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-14 05:23:25,844 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1545461800] [2022-12-14 05:23:25,844 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 05:23:25,844 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 05:23:25,844 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2d65479-99c9-4434-bd3d-052f3c15e97b/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 05:23:25,845 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2d65479-99c9-4434-bd3d-052f3c15e97b/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 05:23:25,846 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2d65479-99c9-4434-bd3d-052f3c15e97b/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-12-14 05:23:28,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 05:23:28,622 INFO L263 TraceCheckSpWp]: Trace formula consists of 7975 conjuncts, 796 conjunts are in the unsatisfiable core [2022-12-14 05:23:28,666 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 05:23:29,532 INFO L217 Elim1Store]: Index analysis took 146 ms [2022-12-14 05:23:29,585 INFO L321 Elim1Store]: treesize reduction 624, result has 0.2 percent of original size [2022-12-14 05:23:29,589 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 13 select indices, 13 select index equivalence classes, 0 disjoint index pairs (out of 78 index pairs), introduced 13 new quantified variables, introduced 78 case distinctions, treesize of input 477461218 treesize of output 469037138