./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-adm8211.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 38b53e6a 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_1e4a452d-86bd-4651-bdf1-95af7b4b4e24/bin/utaipan-ByfvJB40ur/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e4a452d-86bd-4651-bdf1-95af7b4b4e24/bin/utaipan-ByfvJB40ur/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e4a452d-86bd-4651-bdf1-95af7b4b4e24/bin/utaipan-ByfvJB40ur/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e4a452d-86bd-4651-bdf1-95af7b4b4e24/bin/utaipan-ByfvJB40ur/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-adm8211.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e4a452d-86bd-4651-bdf1-95af7b4b4e24/bin/utaipan-ByfvJB40ur/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e4a452d-86bd-4651-bdf1-95af7b4b4e24/bin/utaipan-ByfvJB40ur --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 265e49c3377c52c97dc3fc0a083b7daee63958176975b73f1e1d54651892cb04 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-38b53e6 [2022-11-26 00:01:16,028 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-26 00:01:16,030 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-26 00:01:16,055 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-26 00:01:16,058 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-26 00:01:16,063 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-26 00:01:16,065 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-26 00:01:16,069 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-26 00:01:16,071 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-26 00:01:16,076 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-26 00:01:16,078 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-26 00:01:16,080 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-26 00:01:16,080 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-26 00:01:16,085 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-26 00:01:16,087 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-26 00:01:16,090 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-26 00:01:16,091 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-26 00:01:16,092 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-26 00:01:16,094 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-26 00:01:16,101 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-26 00:01:16,103 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-26 00:01:16,104 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-26 00:01:16,105 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-26 00:01:16,106 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-26 00:01:16,111 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-26 00:01:16,112 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-26 00:01:16,112 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-26 00:01:16,113 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-26 00:01:16,113 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-26 00:01:16,114 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-26 00:01:16,114 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-26 00:01:16,115 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-26 00:01:16,116 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-26 00:01:16,116 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-26 00:01:16,117 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-26 00:01:16,117 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-26 00:01:16,118 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-26 00:01:16,118 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-26 00:01:16,119 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-26 00:01:16,128 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-26 00:01:16,129 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-26 00:01:16,129 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e4a452d-86bd-4651-bdf1-95af7b4b4e24/bin/utaipan-ByfvJB40ur/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-11-26 00:01:16,169 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-26 00:01:16,169 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-26 00:01:16,170 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-26 00:01:16,170 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-26 00:01:16,171 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-26 00:01:16,171 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-26 00:01:16,172 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-26 00:01:16,172 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-26 00:01:16,172 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-26 00:01:16,172 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-26 00:01:16,173 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-26 00:01:16,173 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-26 00:01:16,174 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-26 00:01:16,174 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-26 00:01:16,174 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-26 00:01:16,174 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-26 00:01:16,174 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-26 00:01:16,174 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-26 00:01:16,175 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-26 00:01:16,175 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-26 00:01:16,176 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-26 00:01:16,176 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-26 00:01:16,176 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-26 00:01:16,176 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-26 00:01:16,176 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-26 00:01:16,176 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-26 00:01:16,177 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-26 00:01:16,177 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-26 00:01:16,178 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-26 00:01:16,178 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-26 00:01:16,178 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-26 00:01:16,178 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-26 00:01:16,179 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-26 00:01:16,179 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-26 00:01:16,179 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-26 00:01:16,179 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-26 00:01:16,179 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-26 00:01:16,179 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-26 00:01:16,180 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_1e4a452d-86bd-4651-bdf1-95af7b4b4e24/bin/utaipan-ByfvJB40ur/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e4a452d-86bd-4651-bdf1-95af7b4b4e24/bin/utaipan-ByfvJB40ur Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 265e49c3377c52c97dc3fc0a083b7daee63958176975b73f1e1d54651892cb04 [2022-11-26 00:01:16,458 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-26 00:01:16,480 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-26 00:01:16,483 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-26 00:01:16,484 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-26 00:01:16,485 INFO L275 PluginConnector]: CDTParser initialized [2022-11-26 00:01:16,486 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e4a452d-86bd-4651-bdf1-95af7b4b4e24/bin/utaipan-ByfvJB40ur/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-adm8211.cil.i [2022-11-26 00:01:19,615 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-26 00:01:20,290 INFO L351 CDTParser]: Found 1 translation units. [2022-11-26 00:01:20,291 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e4a452d-86bd-4651-bdf1-95af7b4b4e24/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-adm8211.cil.i [2022-11-26 00:01:20,345 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e4a452d-86bd-4651-bdf1-95af7b4b4e24/bin/utaipan-ByfvJB40ur/data/4e871b02b/edf6a485e50f4aa3be92ce7b296be102/FLAGe98086a4a [2022-11-26 00:01:20,390 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e4a452d-86bd-4651-bdf1-95af7b4b4e24/bin/utaipan-ByfvJB40ur/data/4e871b02b/edf6a485e50f4aa3be92ce7b296be102 [2022-11-26 00:01:20,393 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-26 00:01:20,404 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-26 00:01:20,405 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-26 00:01:20,406 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-26 00:01:20,414 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-26 00:01:20,415 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:01:20" (1/1) ... [2022-11-26 00:01:20,416 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7f7f0fae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:01:20, skipping insertion in model container [2022-11-26 00:01:20,416 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:01:20" (1/1) ... [2022-11-26 00:01:20,423 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-26 00:01:20,640 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-26 00:01:21,471 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock [2022-11-26 00:01:21,491 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock [2022-11-26 00:01:21,510 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock_irqrestore [2022-11-26 00:01:21,630 WARN L623 FunctionHandler]: Unknown extern function pci_bus_read_config_byte [2022-11-26 00:01:21,642 WARN L623 FunctionHandler]: Unknown extern function pci_bus_read_config_dword [2022-11-26 00:01:21,740 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-26 00:01:21,816 WARN L623 FunctionHandler]: Unknown extern function __phys_addr [2022-11-26 00:01:21,823 WARN L623 FunctionHandler]: Unknown extern function __phys_addr [2022-11-26 00:01:21,823 WARN L623 FunctionHandler]: Unknown extern function debug_dma_map_page [2022-11-26 00:01:21,838 WARN L623 FunctionHandler]: Unknown extern function debug_dma_unmap_page [2022-11-26 00:01:21,851 WARN L623 FunctionHandler]: Unknown extern function debug_dma_sync_single_for_cpu [2022-11-26 00:01:21,865 WARN L623 FunctionHandler]: Unknown extern function debug_dma_sync_single_for_device [2022-11-26 00:01:21,900 WARN L623 FunctionHandler]: Unknown extern function debug_dma_alloc_coherent [2022-11-26 00:01:21,909 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-11-26 00:01:21,912 WARN L623 FunctionHandler]: Unknown extern function debug_dma_free_coherent [2022-11-26 00:01:21,923 WARN L623 FunctionHandler]: Unknown extern function dma_supported [2022-11-26 00:01:21,980 WARN L623 FunctionHandler]: Unknown extern function dma_set_mask [2022-11-26 00:01:22,054 WARN L623 FunctionHandler]: Unknown extern function __netdev_alloc_skb [2022-11-26 00:01:22,084 WARN L623 FunctionHandler]: Unknown extern function request_threaded_irq [2022-11-26 00:01:22,122 WARN L623 FunctionHandler]: Unknown extern function get_random_bytes [2022-11-26 00:01:22,201 WARN L623 FunctionHandler]: Unknown extern function __compiletime_assert_768 [2022-11-26 00:01:22,202 WARN L623 FunctionHandler]: Unknown extern function __compiletime_assert_770 [2022-11-26 00:01:22,204 WARN L623 FunctionHandler]: Unknown extern function __compiletime_assert_771 [2022-11-26 00:01:22,209 WARN L623 FunctionHandler]: Unknown extern function __compiletime_assert_777 [2022-11-26 00:01:22,233 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-11-26 00:01:22,297 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-26 00:01:22,309 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-26 00:01:22,312 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-26 00:01:22,320 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-26 00:01:22,330 WARN L623 FunctionHandler]: Unknown extern function eeprom_93cx6_multiread [2022-11-26 00:01:22,336 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:01:22,342 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:01:22,345 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:01:22,348 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:01:22,401 WARN L623 FunctionHandler]: Unknown extern function __compiletime_assert_186 [2022-11-26 00:01:22,413 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:01:22,422 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:01:22,423 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:01:22,429 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-26 00:01:22,430 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-26 00:01:22,430 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-11-26 00:01:22,430 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-26 00:01:22,435 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-26 00:01:22,436 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-11-26 00:01:22,442 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-26 00:01:22,449 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-26 00:01:22,455 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-26 00:01:22,456 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-26 00:01:22,479 WARN L623 FunctionHandler]: Unknown extern function skb_pull [2022-11-26 00:01:22,480 WARN L623 FunctionHandler]: Unknown extern function skb_push [2022-11-26 00:01:22,481 WARN L623 FunctionHandler]: Unknown extern function ieee80211_tx_status_irqsafe [2022-11-26 00:01:22,482 WARN L623 FunctionHandler]: Unknown extern function ieee80211_wake_queue [2022-11-26 00:01:22,537 WARN L623 FunctionHandler]: Unknown extern function net_ratelimit [2022-11-26 00:01:22,537 WARN L623 FunctionHandler]: Unknown extern function dev_printk [2022-11-26 00:01:22,542 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-11-26 00:01:22,543 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-11-26 00:01:22,548 WARN L623 FunctionHandler]: Unknown extern function ieee80211_rx_irqsafe [2022-11-26 00:01:22,555 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-26 00:01:22,556 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-26 00:01:22,557 WARN L623 FunctionHandler]: Unknown extern function dev_printk [2022-11-26 00:01:22,558 WARN L623 FunctionHandler]: Unknown extern function dev_printk [2022-11-26 00:01:22,560 WARN L623 FunctionHandler]: Unknown extern function dev_printk [2022-11-26 00:01:22,562 WARN L623 FunctionHandler]: Unknown extern function dev_printk [2022-11-26 00:01:22,563 WARN L623 FunctionHandler]: Unknown extern function dev_printk [2022-11-26 00:01:22,564 WARN L623 FunctionHandler]: Unknown extern function dev_printk [2022-11-26 00:01:22,566 WARN L623 FunctionHandler]: Unknown extern function dev_printk [2022-11-26 00:01:22,567 WARN L623 FunctionHandler]: Unknown extern function dev_printk [2022-11-26 00:01:22,569 WARN L623 FunctionHandler]: Unknown extern function dev_printk [2022-11-26 00:01:22,570 WARN L623 FunctionHandler]: Unknown extern function dev_printk [2022-11-26 00:01:22,571 WARN L623 FunctionHandler]: Unknown extern function dev_printk [2022-11-26 00:01:22,573 WARN L623 FunctionHandler]: Unknown extern function dev_printk [2022-11-26 00:01:22,574 WARN L623 FunctionHandler]: Unknown extern function dev_printk [2022-11-26 00:01:22,575 WARN L623 FunctionHandler]: Unknown extern function dev_printk [2022-11-26 00:01:22,577 WARN L623 FunctionHandler]: Unknown extern function dev_printk [2022-11-26 00:01:22,578 WARN L623 FunctionHandler]: Unknown extern function dev_printk [2022-11-26 00:01:22,580 WARN L623 FunctionHandler]: Unknown extern function dev_printk [2022-11-26 00:01:22,587 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-26 00:01:22,587 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-26 00:01:22,588 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-26 00:01:22,588 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-26 00:01:22,588 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-26 00:01:22,589 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-26 00:01:22,590 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-26 00:01:22,590 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-26 00:01:22,590 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-26 00:01:22,591 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-26 00:01:22,591 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-26 00:01:22,591 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-26 00:01:22,592 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-26 00:01:22,592 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-26 00:01:22,593 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-26 00:01:22,593 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-26 00:01:22,599 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-26 00:01:22,599 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-26 00:01:22,600 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-26 00:01:22,600 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-26 00:01:22,600 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-26 00:01:22,600 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-26 00:01:22,601 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-26 00:01:22,601 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-26 00:01:22,602 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-26 00:01:22,602 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-26 00:01:22,602 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-26 00:01:22,603 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-26 00:01:22,603 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-26 00:01:22,604 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-26 00:01:22,604 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-26 00:01:22,604 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-26 00:01:22,610 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-26 00:01:22,610 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-26 00:01:22,610 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-26 00:01:22,611 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-26 00:01:22,611 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-26 00:01:22,612 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-26 00:01:22,612 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-26 00:01:22,612 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-26 00:01:22,613 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-26 00:01:22,613 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-26 00:01:22,614 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-26 00:01:22,614 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-26 00:01:22,614 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-26 00:01:22,615 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-26 00:01:22,620 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-26 00:01:22,621 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-26 00:01:22,621 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-26 00:01:22,621 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-26 00:01:22,622 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-26 00:01:22,622 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-26 00:01:22,623 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-26 00:01:22,623 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-26 00:01:22,623 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-26 00:01:22,624 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-26 00:01:22,624 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-26 00:01:22,625 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-26 00:01:22,625 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-26 00:01:22,625 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-26 00:01:22,630 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-26 00:01:22,631 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-11-26 00:01:22,632 WARN L623 FunctionHandler]: Unknown extern function dev_printk [2022-11-26 00:01:22,633 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-26 00:01:22,633 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-26 00:01:22,634 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-11-26 00:01:22,634 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-26 00:01:22,635 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-26 00:01:22,635 WARN L623 FunctionHandler]: Unknown extern function dev_printk [2022-11-26 00:01:22,643 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-26 00:01:22,644 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-26 00:01:22,644 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-11-26 00:01:22,646 WARN L623 FunctionHandler]: Unknown extern function dev_printk [2022-11-26 00:01:22,647 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-26 00:01:22,648 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-26 00:01:22,650 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-26 00:01:22,650 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-26 00:01:22,651 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-26 00:01:22,651 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-26 00:01:22,651 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-11-26 00:01:22,652 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-26 00:01:22,653 WARN L623 FunctionHandler]: Unknown extern function dev_printk [2022-11-26 00:01:22,654 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-26 00:01:22,654 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-26 00:01:22,655 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-26 00:01:22,660 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-26 00:01:22,661 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-26 00:01:22,661 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-11-26 00:01:22,663 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-26 00:01:22,674 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-26 00:01:22,675 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-26 00:01:22,675 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-26 00:01:22,676 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-26 00:01:22,676 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-26 00:01:22,677 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-26 00:01:22,677 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-26 00:01:22,677 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-26 00:01:22,678 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-26 00:01:22,679 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-26 00:01:22,679 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-26 00:01:22,680 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-26 00:01:22,680 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-26 00:01:22,681 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-26 00:01:22,681 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-26 00:01:22,682 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-26 00:01:22,682 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-26 00:01:22,682 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-11-26 00:01:22,689 WARN L623 FunctionHandler]: Unknown extern function dev_printk [2022-11-26 00:01:22,690 WARN L623 FunctionHandler]: Unknown extern function dev_printk [2022-11-26 00:01:22,691 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-26 00:01:22,691 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-26 00:01:22,691 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-26 00:01:22,700 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-26 00:01:22,700 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-26 00:01:22,701 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-26 00:01:22,706 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-26 00:01:22,706 WARN L623 FunctionHandler]: Unknown extern function pci_set_mwi [2022-11-26 00:01:22,707 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-26 00:01:22,708 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-26 00:01:22,708 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-26 00:01:22,708 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-26 00:01:22,709 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-26 00:01:22,709 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-26 00:01:22,710 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-26 00:01:22,710 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-26 00:01:22,711 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-26 00:01:22,711 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-26 00:01:22,711 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-26 00:01:22,711 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-11-26 00:01:22,712 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-26 00:01:22,712 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-26 00:01:22,712 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-11-26 00:01:22,712 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-26 00:01:22,713 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-26 00:01:22,713 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-26 00:01:22,714 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-26 00:01:22,714 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-26 00:01:22,714 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-26 00:01:22,715 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-26 00:01:22,715 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-26 00:01:22,715 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-26 00:01:22,715 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-26 00:01:22,716 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-26 00:01:22,716 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-26 00:01:22,717 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-26 00:01:22,717 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-26 00:01:22,717 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-26 00:01:22,722 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-26 00:01:22,723 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-26 00:01:22,723 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-26 00:01:22,724 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-11-26 00:01:22,724 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-26 00:01:22,724 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-26 00:01:22,725 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-26 00:01:22,725 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-26 00:01:22,726 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-26 00:01:22,726 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-26 00:01:22,727 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-26 00:01:22,727 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-26 00:01:22,727 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-26 00:01:22,732 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-26 00:01:22,733 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-26 00:01:22,738 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-26 00:01:22,743 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-26 00:01:22,744 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-26 00:01:22,744 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-26 00:01:22,749 WARN L623 FunctionHandler]: Unknown extern function ieee80211_frequency_to_channel [2022-11-26 00:01:22,761 WARN L623 FunctionHandler]: Unknown extern function crc32_le [2022-11-26 00:01:22,761 WARN L623 FunctionHandler]: Unknown extern function bitrev32 [2022-11-26 00:01:22,769 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-26 00:01:22,769 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-26 00:01:22,770 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-26 00:01:22,770 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-26 00:01:22,771 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-26 00:01:22,771 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-26 00:01:22,772 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-26 00:01:22,778 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-26 00:01:22,778 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-26 00:01:22,778 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-11-26 00:01:22,779 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-26 00:01:22,779 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-26 00:01:22,780 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-26 00:01:22,792 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-26 00:01:22,792 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-26 00:01:22,798 WARN L623 FunctionHandler]: Unknown extern function consume_skb [2022-11-26 00:01:22,800 WARN L623 FunctionHandler]: Unknown extern function consume_skb [2022-11-26 00:01:22,806 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-26 00:01:22,807 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-26 00:01:22,808 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-26 00:01:22,809 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-26 00:01:22,809 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-26 00:01:22,814 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-26 00:01:22,815 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-26 00:01:22,815 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-26 00:01:22,828 WARN L623 FunctionHandler]: Unknown extern function ieee80211_stop_queue [2022-11-26 00:01:22,830 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-26 00:01:22,836 WARN L623 FunctionHandler]: Unknown extern function ieee80211_hdrlen [2022-11-26 00:01:22,836 WARN L623 FunctionHandler]: Unknown extern function skb_pull [2022-11-26 00:01:22,840 WARN L623 FunctionHandler]: Unknown extern function skb_push [2022-11-26 00:01:22,849 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-26 00:01:22,856 WARN L623 FunctionHandler]: Unknown extern function pci_enable_device [2022-11-26 00:01:22,857 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:01:22,858 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:01:22,859 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:01:22,860 WARN L623 FunctionHandler]: Unknown extern function pci_request_regions [2022-11-26 00:01:22,861 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:01:22,861 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:01:22,869 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:01:22,870 WARN L623 FunctionHandler]: Unknown extern function pci_set_master [2022-11-26 00:01:22,870 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:01:22,871 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-11-26 00:01:22,871 WARN L623 FunctionHandler]: Unknown extern function pci_iomap [2022-11-26 00:01:22,872 WARN L623 FunctionHandler]: Unknown extern function pci_iomap [2022-11-26 00:01:22,873 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:01:22,875 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:01:22,876 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-26 00:01:22,876 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-26 00:01:22,877 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:01:22,878 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-26 00:01:22,878 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-26 00:01:22,878 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-26 00:01:22,879 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-26 00:01:22,879 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-11-26 00:01:22,879 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:01:22,880 WARN L623 FunctionHandler]: Unknown extern function ieee80211_register_hw [2022-11-26 00:01:22,880 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:01:22,880 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-11-26 00:01:22,883 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-26 00:01:22,883 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-26 00:01:22,883 WARN L623 FunctionHandler]: Unknown extern function pci_iounmap [2022-11-26 00:01:22,884 WARN L623 FunctionHandler]: Unknown extern function pci_release_regions [2022-11-26 00:01:22,884 WARN L623 FunctionHandler]: Unknown extern function pci_disable_device [2022-11-26 00:01:22,889 WARN L623 FunctionHandler]: Unknown extern function ieee80211_unregister_hw [2022-11-26 00:01:22,890 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-26 00:01:22,890 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-26 00:01:22,890 WARN L623 FunctionHandler]: Unknown extern function pci_iounmap [2022-11-26 00:01:22,891 WARN L623 FunctionHandler]: Unknown extern function pci_release_regions [2022-11-26 00:01:22,891 WARN L623 FunctionHandler]: Unknown extern function pci_disable_device [2022-11-26 00:01:22,896 WARN L623 FunctionHandler]: Unknown extern function pci_save_state [2022-11-26 00:01:22,896 WARN L623 FunctionHandler]: Unknown extern function pci_choose_state [2022-11-26 00:01:22,896 WARN L623 FunctionHandler]: Unknown extern function pci_set_power_state [2022-11-26 00:01:22,901 WARN L623 FunctionHandler]: Unknown extern function pci_set_power_state [2022-11-26 00:01:22,901 WARN L623 FunctionHandler]: Unknown extern function pci_restore_state [2022-11-26 00:01:23,140 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-26 00:01:23,140 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-26 00:01:23,141 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-26 00:01:23,141 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-26 00:01:23,141 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-26 00:01:23,141 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-26 00:01:23,142 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-26 00:01:23,142 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-26 00:01:23,142 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-26 00:01:23,143 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-26 00:01:23,151 WARN L623 FunctionHandler]: Unknown extern function ldv_initialize [2022-11-26 00:01:23,162 WARN L623 FunctionHandler]: Unknown extern function rtnl_lock [2022-11-26 00:01:23,163 WARN L623 FunctionHandler]: Unknown extern function rtnl_unlock [2022-11-26 00:01:23,163 WARN L623 FunctionHandler]: Unknown extern function rtnl_lock [2022-11-26 00:01:23,167 WARN L623 FunctionHandler]: Unknown extern function rtnl_unlock [2022-11-26 00:01:23,176 WARN L623 FunctionHandler]: Unknown extern function ldv_switch_to_interrupt_context [2022-11-26 00:01:23,177 WARN L623 FunctionHandler]: Unknown extern function ldv_switch_to_process_context [2022-11-26 00:01:23,188 WARN L623 FunctionHandler]: Unknown extern function ldv_pre_probe [2022-11-26 00:01:23,194 WARN L623 FunctionHandler]: Unknown extern function free_irq [2022-11-26 00:01:23,194 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-11-26 00:01:23,195 WARN L623 FunctionHandler]: Unknown extern function ieee80211_alloc_hw [2022-11-26 00:01:23,195 WARN L623 FunctionHandler]: Unknown extern function ieee80211_free_hw [2022-11-26 00:01:23,196 WARN L623 FunctionHandler]: Unknown extern function ieee80211_free_hw [2022-11-26 00:01:23,196 WARN L623 FunctionHandler]: Unknown extern function __pci_register_driver [2022-11-26 00:01:23,197 WARN L623 FunctionHandler]: Unknown extern function pci_unregister_driver [2022-11-26 00:01:23,251 WARN L623 FunctionHandler]: Unknown extern function ldv_check_alloc_flags [2022-11-26 00:01:23,251 WARN L623 FunctionHandler]: Unknown extern function ldv_after_alloc [2022-11-26 00:01:23,260 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-26 00:01:23,770 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e4a452d-86bd-4651-bdf1-95af7b4b4e24/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-adm8211.cil.i[372884,372897] [2022-11-26 00:01:23,774 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e4a452d-86bd-4651-bdf1-95af7b4b4e24/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-adm8211.cil.i[373053,373066] [2022-11-26 00:01:23,775 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e4a452d-86bd-4651-bdf1-95af7b4b4e24/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-adm8211.cil.i[373220,373233] [2022-11-26 00:01:23,775 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e4a452d-86bd-4651-bdf1-95af7b4b4e24/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-adm8211.cil.i[373388,373401] [2022-11-26 00:01:23,776 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-26 00:01:23,777 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-26 00:01:23,785 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-26 00:01:23,788 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-26 00:01:23,790 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-26 00:01:23,790 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-26 00:01:23,792 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-26 00:01:23,834 INFO L203 MainTranslator]: Completed pre-run [2022-11-26 00:01:23,996 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock [2022-11-26 00:01:23,996 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock [2022-11-26 00:01:23,997 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock_irqrestore [2022-11-26 00:01:24,002 WARN L623 FunctionHandler]: Unknown extern function pci_bus_read_config_byte [2022-11-26 00:01:24,006 WARN L623 FunctionHandler]: Unknown extern function pci_bus_read_config_dword [2022-11-26 00:01:24,009 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-26 00:01:24,020 WARN L623 FunctionHandler]: Unknown extern function __phys_addr [2022-11-26 00:01:24,021 WARN L623 FunctionHandler]: Unknown extern function __phys_addr [2022-11-26 00:01:24,022 WARN L623 FunctionHandler]: Unknown extern function debug_dma_map_page [2022-11-26 00:01:24,023 WARN L623 FunctionHandler]: Unknown extern function debug_dma_unmap_page [2022-11-26 00:01:24,024 WARN L623 FunctionHandler]: Unknown extern function debug_dma_sync_single_for_cpu [2022-11-26 00:01:24,025 WARN L623 FunctionHandler]: Unknown extern function debug_dma_sync_single_for_device [2022-11-26 00:01:24,028 WARN L623 FunctionHandler]: Unknown extern function debug_dma_alloc_coherent [2022-11-26 00:01:24,029 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-11-26 00:01:24,030 WARN L623 FunctionHandler]: Unknown extern function debug_dma_free_coherent [2022-11-26 00:01:24,031 WARN L623 FunctionHandler]: Unknown extern function dma_supported [2022-11-26 00:01:24,034 WARN L623 FunctionHandler]: Unknown extern function dma_set_mask [2022-11-26 00:01:24,036 WARN L623 FunctionHandler]: Unknown extern function __netdev_alloc_skb [2022-11-26 00:01:24,037 WARN L623 FunctionHandler]: Unknown extern function request_threaded_irq [2022-11-26 00:01:24,039 WARN L623 FunctionHandler]: Unknown extern function get_random_bytes [2022-11-26 00:01:24,044 WARN L623 FunctionHandler]: Unknown extern function __compiletime_assert_768 [2022-11-26 00:01:24,044 WARN L623 FunctionHandler]: Unknown extern function __compiletime_assert_770 [2022-11-26 00:01:24,045 WARN L623 FunctionHandler]: Unknown extern function __compiletime_assert_771 [2022-11-26 00:01:24,046 WARN L623 FunctionHandler]: Unknown extern function __compiletime_assert_777 [2022-11-26 00:01:24,047 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-11-26 00:01:24,051 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-26 00:01:24,054 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-26 00:01:24,054 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-26 00:01:24,056 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-26 00:01:24,057 WARN L623 FunctionHandler]: Unknown extern function eeprom_93cx6_multiread [2022-11-26 00:01:24,059 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:01:24,061 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:01:24,061 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:01:24,063 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:01:24,064 WARN L623 FunctionHandler]: Unknown extern function __compiletime_assert_186 [2022-11-26 00:01:24,070 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:01:24,072 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:01:24,073 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:01:24,075 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-26 00:01:24,075 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-26 00:01:24,076 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-11-26 00:01:24,076 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-26 00:01:24,079 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-26 00:01:24,079 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-11-26 00:01:24,080 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-26 00:01:24,083 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-26 00:01:24,084 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-26 00:01:24,085 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-26 00:01:24,086 WARN L623 FunctionHandler]: Unknown extern function skb_pull [2022-11-26 00:01:24,087 WARN L623 FunctionHandler]: Unknown extern function skb_push [2022-11-26 00:01:24,088 WARN L623 FunctionHandler]: Unknown extern function ieee80211_tx_status_irqsafe [2022-11-26 00:01:24,090 WARN L623 FunctionHandler]: Unknown extern function ieee80211_wake_queue [2022-11-26 00:01:24,092 WARN L623 FunctionHandler]: Unknown extern function net_ratelimit [2022-11-26 00:01:24,092 WARN L623 FunctionHandler]: Unknown extern function dev_printk [2022-11-26 00:01:24,094 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-11-26 00:01:24,095 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-11-26 00:01:24,099 WARN L623 FunctionHandler]: Unknown extern function ieee80211_rx_irqsafe [2022-11-26 00:01:24,101 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-26 00:01:24,101 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-26 00:01:24,102 WARN L623 FunctionHandler]: Unknown extern function dev_printk [2022-11-26 00:01:24,105 WARN L623 FunctionHandler]: Unknown extern function dev_printk [2022-11-26 00:01:24,108 WARN L623 FunctionHandler]: Unknown extern function dev_printk [2022-11-26 00:01:24,110 WARN L623 FunctionHandler]: Unknown extern function dev_printk [2022-11-26 00:01:24,112 WARN L623 FunctionHandler]: Unknown extern function dev_printk [2022-11-26 00:01:24,114 WARN L623 FunctionHandler]: Unknown extern function dev_printk [2022-11-26 00:01:24,115 WARN L623 FunctionHandler]: Unknown extern function dev_printk [2022-11-26 00:01:24,117 WARN L623 FunctionHandler]: Unknown extern function dev_printk [2022-11-26 00:01:24,119 WARN L623 FunctionHandler]: Unknown extern function dev_printk [2022-11-26 00:01:24,120 WARN L623 FunctionHandler]: Unknown extern function dev_printk [2022-11-26 00:01:24,121 WARN L623 FunctionHandler]: Unknown extern function dev_printk [2022-11-26 00:01:24,123 WARN L623 FunctionHandler]: Unknown extern function dev_printk [2022-11-26 00:01:24,126 WARN L623 FunctionHandler]: Unknown extern function dev_printk [2022-11-26 00:01:24,127 WARN L623 FunctionHandler]: Unknown extern function dev_printk [2022-11-26 00:01:24,127 WARN L623 FunctionHandler]: Unknown extern function dev_printk [2022-11-26 00:01:24,130 WARN L623 FunctionHandler]: Unknown extern function dev_printk [2022-11-26 00:01:24,131 WARN L623 FunctionHandler]: Unknown extern function dev_printk [2022-11-26 00:01:24,134 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-26 00:01:24,134 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-26 00:01:24,134 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-26 00:01:24,135 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-26 00:01:24,135 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-26 00:01:24,135 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-26 00:01:24,136 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-26 00:01:24,136 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-26 00:01:24,136 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-26 00:01:24,136 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-26 00:01:24,137 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-26 00:01:24,137 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-26 00:01:24,137 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-26 00:01:24,137 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-26 00:01:24,138 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-26 00:01:24,138 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-26 00:01:24,139 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-26 00:01:24,139 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-26 00:01:24,141 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-26 00:01:24,141 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-26 00:01:24,141 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-26 00:01:24,142 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-26 00:01:24,148 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-26 00:01:24,149 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-26 00:01:24,149 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-26 00:01:24,149 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-26 00:01:24,149 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-26 00:01:24,150 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-26 00:01:24,150 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-26 00:01:24,150 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-26 00:01:24,151 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-26 00:01:24,151 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-26 00:01:24,152 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-26 00:01:24,152 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-26 00:01:24,152 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-26 00:01:24,152 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-26 00:01:24,153 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-26 00:01:24,153 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-26 00:01:24,153 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-26 00:01:24,154 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-26 00:01:24,154 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-26 00:01:24,154 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-26 00:01:24,154 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-26 00:01:24,155 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-26 00:01:24,155 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-26 00:01:24,155 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-26 00:01:24,156 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-26 00:01:24,156 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-26 00:01:24,157 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-26 00:01:24,157 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-26 00:01:24,157 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-26 00:01:24,158 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-26 00:01:24,158 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-26 00:01:24,158 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-26 00:01:24,158 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-26 00:01:24,159 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-26 00:01:24,159 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-26 00:01:24,159 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-26 00:01:24,159 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-26 00:01:24,160 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-26 00:01:24,160 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-26 00:01:24,161 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-11-26 00:01:24,161 WARN L623 FunctionHandler]: Unknown extern function dev_printk [2022-11-26 00:01:24,163 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-26 00:01:24,164 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-26 00:01:24,164 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-11-26 00:01:24,164 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-26 00:01:24,165 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-26 00:01:24,165 WARN L623 FunctionHandler]: Unknown extern function dev_printk [2022-11-26 00:01:24,169 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-26 00:01:24,169 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-26 00:01:24,169 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-11-26 00:01:24,171 WARN L623 FunctionHandler]: Unknown extern function dev_printk [2022-11-26 00:01:24,172 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-26 00:01:24,175 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-26 00:01:24,176 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-26 00:01:24,177 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-26 00:01:24,177 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-26 00:01:24,177 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-26 00:01:24,177 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-11-26 00:01:24,180 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-26 00:01:24,180 WARN L623 FunctionHandler]: Unknown extern function dev_printk [2022-11-26 00:01:24,182 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-26 00:01:24,182 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-26 00:01:24,183 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-26 00:01:24,184 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-26 00:01:24,184 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-26 00:01:24,185 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-11-26 00:01:24,186 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-26 00:01:24,188 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-26 00:01:24,188 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-26 00:01:24,189 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-26 00:01:24,191 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-26 00:01:24,191 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-26 00:01:24,191 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-26 00:01:24,192 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-26 00:01:24,192 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-26 00:01:24,192 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-26 00:01:24,193 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-26 00:01:24,194 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-26 00:01:24,194 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-26 00:01:24,195 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-26 00:01:24,195 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-26 00:01:24,195 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-26 00:01:24,195 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-26 00:01:24,196 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-26 00:01:24,196 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-11-26 00:01:24,200 WARN L623 FunctionHandler]: Unknown extern function dev_printk [2022-11-26 00:01:24,201 WARN L623 FunctionHandler]: Unknown extern function dev_printk [2022-11-26 00:01:24,201 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-26 00:01:24,201 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-26 00:01:24,202 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-26 00:01:24,204 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-26 00:01:24,205 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-26 00:01:24,205 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-26 00:01:24,206 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-26 00:01:24,206 WARN L623 FunctionHandler]: Unknown extern function pci_set_mwi [2022-11-26 00:01:24,207 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-26 00:01:24,207 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-26 00:01:24,207 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-26 00:01:24,207 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-26 00:01:24,208 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-26 00:01:24,208 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-26 00:01:24,208 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-26 00:01:24,209 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-26 00:01:24,209 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-26 00:01:24,209 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-26 00:01:24,209 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-26 00:01:24,210 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-11-26 00:01:24,210 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-26 00:01:24,210 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-26 00:01:24,210 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-11-26 00:01:24,210 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-26 00:01:24,211 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-26 00:01:24,211 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-26 00:01:24,211 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-26 00:01:24,212 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-26 00:01:24,212 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-26 00:01:24,212 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-26 00:01:24,212 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-26 00:01:24,213 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-26 00:01:24,213 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-26 00:01:24,213 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-26 00:01:24,213 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-26 00:01:24,214 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-26 00:01:24,214 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-26 00:01:24,214 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-26 00:01:24,217 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-26 00:01:24,218 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-26 00:01:24,218 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-26 00:01:24,219 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-11-26 00:01:24,219 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-26 00:01:24,220 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-26 00:01:24,220 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-26 00:01:24,220 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-26 00:01:24,221 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-26 00:01:24,221 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-26 00:01:24,221 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-26 00:01:24,222 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-26 00:01:24,222 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-26 00:01:24,223 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-26 00:01:24,223 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-26 00:01:24,224 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-26 00:01:24,224 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-26 00:01:24,225 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-26 00:01:24,225 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-26 00:01:24,226 WARN L623 FunctionHandler]: Unknown extern function ieee80211_frequency_to_channel [2022-11-26 00:01:24,228 WARN L623 FunctionHandler]: Unknown extern function crc32_le [2022-11-26 00:01:24,228 WARN L623 FunctionHandler]: Unknown extern function bitrev32 [2022-11-26 00:01:24,231 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-26 00:01:24,232 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-26 00:01:24,232 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-26 00:01:24,233 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-26 00:01:24,233 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-26 00:01:24,271 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-26 00:01:24,272 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-26 00:01:24,273 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-26 00:01:24,273 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-26 00:01:24,273 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-11-26 00:01:24,274 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-26 00:01:24,274 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-26 00:01:24,274 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-26 00:01:24,277 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-26 00:01:24,277 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-26 00:01:24,278 WARN L623 FunctionHandler]: Unknown extern function consume_skb [2022-11-26 00:01:24,279 WARN L623 FunctionHandler]: Unknown extern function consume_skb [2022-11-26 00:01:24,280 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-26 00:01:24,280 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-26 00:01:24,281 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-26 00:01:24,281 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-26 00:01:24,282 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-26 00:01:24,282 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-26 00:01:24,282 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-26 00:01:24,283 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-26 00:01:24,285 WARN L623 FunctionHandler]: Unknown extern function ieee80211_stop_queue [2022-11-26 00:01:24,286 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-26 00:01:24,287 WARN L623 FunctionHandler]: Unknown extern function ieee80211_hdrlen [2022-11-26 00:01:24,288 WARN L623 FunctionHandler]: Unknown extern function skb_pull [2022-11-26 00:01:24,288 WARN L623 FunctionHandler]: Unknown extern function skb_push [2022-11-26 00:01:24,291 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-26 00:01:24,292 WARN L623 FunctionHandler]: Unknown extern function pci_enable_device [2022-11-26 00:01:24,293 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:01:24,294 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:01:24,295 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:01:24,295 WARN L623 FunctionHandler]: Unknown extern function pci_request_regions [2022-11-26 00:01:24,295 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:01:24,296 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:01:24,296 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:01:24,296 WARN L623 FunctionHandler]: Unknown extern function pci_set_master [2022-11-26 00:01:24,297 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:01:24,297 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-11-26 00:01:24,298 WARN L623 FunctionHandler]: Unknown extern function pci_iomap [2022-11-26 00:01:24,298 WARN L623 FunctionHandler]: Unknown extern function pci_iomap [2022-11-26 00:01:24,298 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:01:24,299 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:01:24,299 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-26 00:01:24,299 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-26 00:01:24,300 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:01:24,301 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-26 00:01:24,301 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-26 00:01:24,301 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-26 00:01:24,302 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-26 00:01:24,302 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-11-26 00:01:24,302 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:01:24,303 WARN L623 FunctionHandler]: Unknown extern function ieee80211_register_hw [2022-11-26 00:01:24,303 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:01:24,303 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-11-26 00:01:24,303 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-26 00:01:24,304 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-26 00:01:24,304 WARN L623 FunctionHandler]: Unknown extern function pci_iounmap [2022-11-26 00:01:24,304 WARN L623 FunctionHandler]: Unknown extern function pci_release_regions [2022-11-26 00:01:24,305 WARN L623 FunctionHandler]: Unknown extern function pci_disable_device [2022-11-26 00:01:24,305 WARN L623 FunctionHandler]: Unknown extern function ieee80211_unregister_hw [2022-11-26 00:01:24,306 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-26 00:01:24,306 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-26 00:01:24,306 WARN L623 FunctionHandler]: Unknown extern function pci_iounmap [2022-11-26 00:01:24,306 WARN L623 FunctionHandler]: Unknown extern function pci_release_regions [2022-11-26 00:01:24,307 WARN L623 FunctionHandler]: Unknown extern function pci_disable_device [2022-11-26 00:01:24,307 WARN L623 FunctionHandler]: Unknown extern function pci_save_state [2022-11-26 00:01:24,307 WARN L623 FunctionHandler]: Unknown extern function pci_choose_state [2022-11-26 00:01:24,308 WARN L623 FunctionHandler]: Unknown extern function pci_set_power_state [2022-11-26 00:01:24,308 WARN L623 FunctionHandler]: Unknown extern function pci_set_power_state [2022-11-26 00:01:24,308 WARN L623 FunctionHandler]: Unknown extern function pci_restore_state [2022-11-26 00:01:24,313 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-26 00:01:24,313 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-26 00:01:24,313 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-26 00:01:24,313 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-26 00:01:24,313 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-26 00:01:24,314 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-26 00:01:24,314 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-26 00:01:24,314 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-26 00:01:24,314 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-26 00:01:24,315 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-26 00:01:24,316 WARN L623 FunctionHandler]: Unknown extern function ldv_initialize [2022-11-26 00:01:24,319 WARN L623 FunctionHandler]: Unknown extern function rtnl_lock [2022-11-26 00:01:24,319 WARN L623 FunctionHandler]: Unknown extern function rtnl_unlock [2022-11-26 00:01:24,320 WARN L623 FunctionHandler]: Unknown extern function rtnl_lock [2022-11-26 00:01:24,320 WARN L623 FunctionHandler]: Unknown extern function rtnl_unlock [2022-11-26 00:01:24,324 WARN L623 FunctionHandler]: Unknown extern function ldv_switch_to_interrupt_context [2022-11-26 00:01:24,324 WARN L623 FunctionHandler]: Unknown extern function ldv_switch_to_process_context [2022-11-26 00:01:24,328 WARN L623 FunctionHandler]: Unknown extern function ldv_pre_probe [2022-11-26 00:01:24,331 WARN L623 FunctionHandler]: Unknown extern function free_irq [2022-11-26 00:01:24,332 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-11-26 00:01:24,332 WARN L623 FunctionHandler]: Unknown extern function ieee80211_alloc_hw [2022-11-26 00:01:24,333 WARN L623 FunctionHandler]: Unknown extern function ieee80211_free_hw [2022-11-26 00:01:24,333 WARN L623 FunctionHandler]: Unknown extern function ieee80211_free_hw [2022-11-26 00:01:24,333 WARN L623 FunctionHandler]: Unknown extern function __pci_register_driver [2022-11-26 00:01:24,334 WARN L623 FunctionHandler]: Unknown extern function pci_unregister_driver [2022-11-26 00:01:24,336 WARN L623 FunctionHandler]: Unknown extern function ldv_check_alloc_flags [2022-11-26 00:01:24,337 WARN L623 FunctionHandler]: Unknown extern function ldv_after_alloc [2022-11-26 00:01:24,337 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-26 00:01:24,355 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e4a452d-86bd-4651-bdf1-95af7b4b4e24/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-adm8211.cil.i[372884,372897] [2022-11-26 00:01:24,356 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e4a452d-86bd-4651-bdf1-95af7b4b4e24/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-adm8211.cil.i[373053,373066] [2022-11-26 00:01:24,356 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e4a452d-86bd-4651-bdf1-95af7b4b4e24/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-adm8211.cil.i[373220,373233] [2022-11-26 00:01:24,356 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e4a452d-86bd-4651-bdf1-95af7b4b4e24/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-adm8211.cil.i[373388,373401] [2022-11-26 00:01:24,357 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-26 00:01:24,360 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-26 00:01:24,362 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-26 00:01:24,364 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-26 00:01:24,365 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-26 00:01:24,365 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-26 00:01:24,366 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-26 00:01:24,470 INFO L208 MainTranslator]: Completed translation [2022-11-26 00:01:24,470 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:01:24 WrapperNode [2022-11-26 00:01:24,470 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-26 00:01:24,471 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-26 00:01:24,472 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-26 00:01:24,472 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-26 00:01:24,478 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:01:24" (1/1) ... [2022-11-26 00:01:24,576 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:01:24" (1/1) ... [2022-11-26 00:01:24,883 INFO L138 Inliner]: procedures = 411, calls = 2809, calls flagged for inlining = 214, calls inlined = 198, statements flattened = 6107 [2022-11-26 00:01:24,884 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-26 00:01:24,885 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-26 00:01:24,885 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-26 00:01:24,885 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-26 00:01:24,894 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:01:24" (1/1) ... [2022-11-26 00:01:24,895 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:01:24" (1/1) ... [2022-11-26 00:01:24,929 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:01:24" (1/1) ... [2022-11-26 00:01:24,930 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:01:24" (1/1) ... [2022-11-26 00:01:25,046 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:01:24" (1/1) ... [2022-11-26 00:01:25,064 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:01:24" (1/1) ... [2022-11-26 00:01:25,088 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:01:24" (1/1) ... [2022-11-26 00:01:25,111 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:01:24" (1/1) ... [2022-11-26 00:01:25,143 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-26 00:01:25,144 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-26 00:01:25,144 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-26 00:01:25,144 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-26 00:01:25,145 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:01:24" (1/1) ... [2022-11-26 00:01:25,152 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-26 00:01:25,163 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e4a452d-86bd-4651-bdf1-95af7b4b4e24/bin/utaipan-ByfvJB40ur/z3 [2022-11-26 00:01:25,181 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e4a452d-86bd-4651-bdf1-95af7b4b4e24/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-26 00:01:25,211 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e4a452d-86bd-4651-bdf1-95af7b4b4e24/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-26 00:01:25,231 INFO L130 BoogieDeclarations]: Found specification of procedure adm8211_set_bssid [2022-11-26 00:01:25,231 INFO L138 BoogieDeclarations]: Found implementation of procedure adm8211_set_bssid [2022-11-26 00:01:25,231 INFO L130 BoogieDeclarations]: Found specification of procedure adm8211_start [2022-11-26 00:01:25,231 INFO L138 BoogieDeclarations]: Found implementation of procedure adm8211_start [2022-11-26 00:01:25,231 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2022-11-26 00:01:25,232 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2022-11-26 00:01:25,232 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-11-26 00:01:25,232 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-11-26 00:01:25,232 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-26 00:01:25,232 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-26 00:01:25,232 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-11-26 00:01:25,232 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-11-26 00:01:25,233 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-11-26 00:01:25,233 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-11-26 00:01:25,233 INFO L130 BoogieDeclarations]: Found specification of procedure ioread32 [2022-11-26 00:01:25,233 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread32 [2022-11-26 00:01:25,233 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2022-11-26 00:01:25,233 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2022-11-26 00:01:25,233 INFO L130 BoogieDeclarations]: Found specification of procedure adm8211_rf_write_syn_al2210l [2022-11-26 00:01:25,233 INFO L138 BoogieDeclarations]: Found implementation of procedure adm8211_rf_write_syn_al2210l [2022-11-26 00:01:25,234 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-11-26 00:01:25,234 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-11-26 00:01:25,234 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite32 [2022-11-26 00:01:25,234 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite32 [2022-11-26 00:01:25,234 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-11-26 00:01:25,234 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-11-26 00:01:25,234 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_lock_of_adm8211_priv [2022-11-26 00:01:25,235 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_lock_of_adm8211_priv [2022-11-26 00:01:25,235 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2022-11-26 00:01:25,235 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2022-11-26 00:01:25,235 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-26 00:01:25,235 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-11-26 00:01:25,235 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-11-26 00:01:25,235 INFO L130 BoogieDeclarations]: Found specification of procedure adm8211_rf_set_channel [2022-11-26 00:01:25,236 INFO L138 BoogieDeclarations]: Found implementation of procedure adm8211_rf_set_channel [2022-11-26 00:01:25,236 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-11-26 00:01:25,236 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-11-26 00:01:25,236 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-11-26 00:01:25,236 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-26 00:01:25,236 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-11-26 00:01:25,236 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-11-26 00:01:25,236 INFO L130 BoogieDeclarations]: Found specification of procedure adm8211_write_sram [2022-11-26 00:01:25,237 INFO L138 BoogieDeclarations]: Found implementation of procedure adm8211_write_sram [2022-11-26 00:01:25,237 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-26 00:01:25,237 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2022-11-26 00:01:25,237 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2022-11-26 00:01:25,237 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-11-26 00:01:25,237 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-11-26 00:01:25,237 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2022-11-26 00:01:25,237 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2022-11-26 00:01:25,238 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2022-11-26 00:01:25,238 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2022-11-26 00:01:25,238 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iomap [2022-11-26 00:01:25,238 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iomap [2022-11-26 00:01:25,238 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2022-11-26 00:01:25,238 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2022-11-26 00:01:25,238 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2022-11-26 00:01:25,239 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2022-11-26 00:01:25,239 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2022-11-26 00:01:25,239 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2022-11-26 00:01:25,239 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-26 00:01:25,239 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2022-11-26 00:01:25,240 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2022-11-26 00:01:25,240 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2022-11-26 00:01:25,240 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2022-11-26 00:01:25,240 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-26 00:01:25,240 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_free_hw [2022-11-26 00:01:25,240 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_free_hw [2022-11-26 00:01:25,240 INFO L130 BoogieDeclarations]: Found specification of procedure adm8211_rf_write_syn_max2820 [2022-11-26 00:01:25,241 INFO L138 BoogieDeclarations]: Found implementation of procedure adm8211_rf_write_syn_max2820 [2022-11-26 00:01:25,241 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-11-26 00:01:25,241 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-11-26 00:01:25,241 INFO L130 BoogieDeclarations]: Found specification of procedure adm8211_write_bbp [2022-11-26 00:01:25,241 INFO L138 BoogieDeclarations]: Found implementation of procedure adm8211_write_bbp [2022-11-26 00:01:25,241 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-26 00:01:25,241 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-11-26 00:01:25,241 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-11-26 00:01:25,242 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2022-11-26 00:01:25,242 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2022-11-26 00:01:25,242 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2022-11-26 00:01:25,242 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2022-11-26 00:01:25,242 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-11-26 00:01:25,242 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-11-26 00:01:25,242 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2022-11-26 00:01:25,242 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2022-11-26 00:01:25,243 INFO L130 BoogieDeclarations]: Found specification of procedure adm8211_stop [2022-11-26 00:01:25,243 INFO L138 BoogieDeclarations]: Found implementation of procedure adm8211_stop [2022-11-26 00:01:25,243 INFO L130 BoogieDeclarations]: Found specification of procedure skb_tail_pointer [2022-11-26 00:01:25,243 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_tail_pointer [2022-11-26 00:01:25,243 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-26 00:01:25,243 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-26 00:01:25,243 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2022-11-26 00:01:25,244 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2022-11-26 00:01:25,244 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-11-26 00:01:25,244 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-26 00:01:25,244 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-11-26 00:01:25,244 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-11-26 00:01:25,244 INFO L130 BoogieDeclarations]: Found specification of procedure skb_push [2022-11-26 00:01:25,244 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_push [2022-11-26 00:01:25,244 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-11-26 00:01:25,245 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-11-26 00:01:25,245 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ieee80211_free_hw [2022-11-26 00:01:25,245 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ieee80211_free_hw [2022-11-26 00:01:25,245 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_unlock [2022-11-26 00:01:25,245 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_unlock [2022-11-26 00:01:25,245 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2022-11-26 00:01:25,245 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2022-11-26 00:01:25,245 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-26 00:01:25,246 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-26 00:01:25,246 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2022-11-26 00:01:25,246 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2022-11-26 00:01:25,246 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-26 00:01:25,246 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-26 00:01:25,246 INFO L130 BoogieDeclarations]: Found specification of procedure adm8211_resume [2022-11-26 00:01:25,246 INFO L138 BoogieDeclarations]: Found implementation of procedure adm8211_resume [2022-11-26 00:01:25,247 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-26 00:01:25,247 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-11-26 00:01:25,247 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-11-26 00:01:25,247 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_lock_of_adm8211_priv [2022-11-26 00:01:25,247 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_lock_of_adm8211_priv [2022-11-26 00:01:25,248 INFO L130 BoogieDeclarations]: Found specification of procedure adm8211_remove [2022-11-26 00:01:25,248 INFO L138 BoogieDeclarations]: Found implementation of procedure adm8211_remove [2022-11-26 00:01:25,248 INFO L130 BoogieDeclarations]: Found specification of procedure adm8211_update_mode [2022-11-26 00:01:25,248 INFO L138 BoogieDeclarations]: Found implementation of procedure adm8211_update_mode [2022-11-26 00:01:25,249 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-11-26 00:01:25,249 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-11-26 00:01:25,249 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-26 00:01:25,249 INFO L130 BoogieDeclarations]: Found specification of procedure skb_pull [2022-11-26 00:01:25,249 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_pull [2022-11-26 00:01:25,249 INFO L130 BoogieDeclarations]: Found specification of procedure dev_alloc_skb [2022-11-26 00:01:25,249 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_alloc_skb [2022-11-26 00:01:25,249 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-26 00:01:25,250 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-26 00:01:25,250 INFO L130 BoogieDeclarations]: Found specification of procedure adm8211_rf_write_syn_rfmd2958 [2022-11-26 00:01:25,250 INFO L138 BoogieDeclarations]: Found implementation of procedure adm8211_rf_write_syn_rfmd2958 [2022-11-26 00:01:25,250 INFO L130 BoogieDeclarations]: Found specification of procedure adm8211_rf_write_syn_rfmd2948 [2022-11-26 00:01:25,250 INFO L138 BoogieDeclarations]: Found implementation of procedure adm8211_rf_write_syn_rfmd2948 [2022-11-26 00:01:25,250 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_lock [2022-11-26 00:01:25,250 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_lock [2022-11-26 00:01:25,250 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-11-26 00:01:25,251 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-11-26 00:01:25,251 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iounmap [2022-11-26 00:01:25,251 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iounmap [2022-11-26 00:01:25,251 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2022-11-26 00:01:25,251 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2022-11-26 00:01:25,251 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-26 00:01:25,251 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-11-26 00:01:25,251 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-11-26 00:01:25,252 INFO L130 BoogieDeclarations]: Found specification of procedure IEEE80211_SKB_CB [2022-11-26 00:01:25,252 INFO L138 BoogieDeclarations]: Found implementation of procedure IEEE80211_SKB_CB [2022-11-26 00:01:26,369 INFO L235 CfgBuilder]: Building ICFG [2022-11-26 00:01:26,372 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-26 00:01:27,724 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-11-26 00:01:36,252 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2022-11-26 00:01:36,391 INFO L276 CfgBuilder]: Performing block encoding [2022-11-26 00:01:38,457 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-26 00:01:38,457 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-26 00:01:38,464 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 12:01:38 BoogieIcfgContainer [2022-11-26 00:01:38,464 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-26 00:01:38,470 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-26 00:01:38,470 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-26 00:01:38,475 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-26 00:01:38,475 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.11 12:01:20" (1/3) ... [2022-11-26 00:01:38,476 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5631184b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 12:01:38, skipping insertion in model container [2022-11-26 00:01:38,476 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:01:24" (2/3) ... [2022-11-26 00:01:38,477 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5631184b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 12:01:38, skipping insertion in model container [2022-11-26 00:01:38,478 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 12:01:38" (3/3) ... [2022-11-26 00:01:38,479 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-adm8211.cil.i [2022-11-26 00:01:38,501 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-26 00:01:38,501 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2022-11-26 00:01:38,615 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-26 00:01:38,625 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;@2781cbae, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-26 00:01:38,625 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2022-11-26 00:01:38,639 INFO L276 IsEmpty]: Start isEmpty. Operand has 1579 states, 904 states have (on average 1.2444690265486726) internal successors, (1125), 926 states have internal predecessors, (1125), 606 states have call successors, (606), 67 states have call predecessors, (606), 66 states have return successors, (601), 595 states have call predecessors, (601), 601 states have call successors, (601) [2022-11-26 00:01:38,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2022-11-26 00:01:38,672 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:01:38,673 INFO L195 NwaCegarLoop]: trace histogram [11, 10, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:01:38,674 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-11-26 00:01:38,685 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:01:38,685 INFO L85 PathProgramCache]: Analyzing trace with hash 523608734, now seen corresponding path program 1 times [2022-11-26 00:01:38,697 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:01:38,698 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1759701960] [2022-11-26 00:01:38,699 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:01:38,699 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:01:39,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:01:39,517 INFO L134 CoverageAnalysis]: Checked inductivity of 380 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 380 trivial. 0 not checked. [2022-11-26 00:01:39,517 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:01:39,518 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1759701960] [2022-11-26 00:01:39,523 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1759701960] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:01:39,523 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:01:39,524 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-26 00:01:39,525 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [160496234] [2022-11-26 00:01:39,526 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:01:39,531 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-26 00:01:39,532 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:01:39,578 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-26 00:01:39,579 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-26 00:01:39,585 INFO L87 Difference]: Start difference. First operand has 1579 states, 904 states have (on average 1.2444690265486726) internal successors, (1125), 926 states have internal predecessors, (1125), 606 states have call successors, (606), 67 states have call predecessors, (606), 66 states have return successors, (601), 595 states have call predecessors, (601), 601 states have call successors, (601) Second operand has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 3 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) [2022-11-26 00:01:41,900 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:01:43,950 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:01:48,246 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-26 00:01:50,235 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:01:50,236 INFO L93 Difference]: Finished difference Result 4518 states and 6700 transitions. [2022-11-26 00:01:50,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-26 00:01:50,238 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 3 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) Word has length 117 [2022-11-26 00:01:50,239 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:01:50,274 INFO L225 Difference]: With dead ends: 4518 [2022-11-26 00:01:50,274 INFO L226 Difference]: Without dead ends: 2950 [2022-11-26 00:01:50,290 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-26 00:01:50,293 INFO L413 NwaCegarLoop]: 2747 mSDtfsCounter, 2051 mSDsluCounter, 2050 mSDsCounter, 0 mSdLazyCounter, 532 mSolverCounterSat, 5 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2053 SdHoareTripleChecker+Valid, 4797 SdHoareTripleChecker+Invalid, 540 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 532 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.2s IncrementalHoareTripleChecker+Time [2022-11-26 00:01:50,294 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2053 Valid, 4797 Invalid, 540 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [5 Valid, 532 Invalid, 3 Unknown, 0 Unchecked, 10.2s Time] [2022-11-26 00:01:50,319 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2950 states. [2022-11-26 00:01:50,645 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2950 to 2944. [2022-11-26 00:01:50,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2944 states, 1701 states have (on average 1.2404467960023515) internal successors, (2110), 1740 states have internal predecessors, (2110), 1113 states have call successors, (1113), 128 states have call predecessors, (1113), 127 states have return successors, (1110), 1099 states have call predecessors, (1110), 1110 states have call successors, (1110) [2022-11-26 00:01:50,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2944 states to 2944 states and 4333 transitions. [2022-11-26 00:01:50,693 INFO L78 Accepts]: Start accepts. Automaton has 2944 states and 4333 transitions. Word has length 117 [2022-11-26 00:01:50,694 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:01:50,694 INFO L495 AbstractCegarLoop]: Abstraction has 2944 states and 4333 transitions. [2022-11-26 00:01:50,695 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 3 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) [2022-11-26 00:01:50,695 INFO L276 IsEmpty]: Start isEmpty. Operand 2944 states and 4333 transitions. [2022-11-26 00:01:50,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2022-11-26 00:01:50,705 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:01:50,706 INFO L195 NwaCegarLoop]: trace histogram [11, 10, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:01:50,706 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-26 00:01:50,709 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-11-26 00:01:50,710 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:01:50,710 INFO L85 PathProgramCache]: Analyzing trace with hash -476893097, now seen corresponding path program 1 times [2022-11-26 00:01:50,710 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:01:50,713 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1169220808] [2022-11-26 00:01:50,713 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:01:50,714 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:01:50,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:01:51,169 INFO L134 CoverageAnalysis]: Checked inductivity of 380 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 380 trivial. 0 not checked. [2022-11-26 00:01:51,169 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:01:51,170 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1169220808] [2022-11-26 00:01:51,170 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1169220808] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:01:51,170 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:01:51,170 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-26 00:01:51,170 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [107471288] [2022-11-26 00:01:51,171 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:01:51,172 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-26 00:01:51,172 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:01:51,173 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-26 00:01:51,173 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-26 00:01:51,173 INFO L87 Difference]: Start difference. First operand 2944 states and 4333 transitions. Second operand has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 3 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) [2022-11-26 00:01:53,376 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:01:56,722 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-26 00:01:59,036 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.24s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:02:01,354 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:02:04,501 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:02:04,690 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:02:04,690 INFO L93 Difference]: Finished difference Result 8344 states and 12299 transitions. [2022-11-26 00:02:04,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-26 00:02:04,691 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 3 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) Word has length 128 [2022-11-26 00:02:04,692 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:02:04,737 INFO L225 Difference]: With dead ends: 8344 [2022-11-26 00:02:04,737 INFO L226 Difference]: Without dead ends: 5421 [2022-11-26 00:02:04,759 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-26 00:02:04,760 INFO L413 NwaCegarLoop]: 2671 mSDtfsCounter, 1878 mSDsluCounter, 2032 mSDsCounter, 0 mSdLazyCounter, 504 mSolverCounterSat, 6 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1880 SdHoareTripleChecker+Valid, 4703 SdHoareTripleChecker+Invalid, 514 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 504 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.1s IncrementalHoareTripleChecker+Time [2022-11-26 00:02:04,761 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1880 Valid, 4703 Invalid, 514 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 504 Invalid, 4 Unknown, 0 Unchecked, 13.1s Time] [2022-11-26 00:02:04,768 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5421 states. [2022-11-26 00:02:05,209 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5421 to 5394. [2022-11-26 00:02:05,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5394 states, 3120 states have (on average 1.2419871794871795) internal successors, (3875), 3197 states have internal predecessors, (3875), 2036 states have call successors, (2036), 238 states have call predecessors, (2036), 235 states have return successors, (2043), 2004 states have call predecessors, (2043), 2033 states have call successors, (2043) [2022-11-26 00:02:05,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5394 states to 5394 states and 7954 transitions. [2022-11-26 00:02:05,257 INFO L78 Accepts]: Start accepts. Automaton has 5394 states and 7954 transitions. Word has length 128 [2022-11-26 00:02:05,258 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:02:05,258 INFO L495 AbstractCegarLoop]: Abstraction has 5394 states and 7954 transitions. [2022-11-26 00:02:05,258 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 3 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) [2022-11-26 00:02:05,259 INFO L276 IsEmpty]: Start isEmpty. Operand 5394 states and 7954 transitions. [2022-11-26 00:02:05,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2022-11-26 00:02:05,263 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:02:05,264 INFO L195 NwaCegarLoop]: trace histogram [14, 10, 10, 10, 10, 10, 10, 4, 4, 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] [2022-11-26 00:02:05,264 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-26 00:02:05,264 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-11-26 00:02:05,265 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:02:05,265 INFO L85 PathProgramCache]: Analyzing trace with hash -1144079478, now seen corresponding path program 1 times [2022-11-26 00:02:05,265 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:02:05,265 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1351085511] [2022-11-26 00:02:05,265 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:02:05,266 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:02:05,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:02:06,004 INFO L134 CoverageAnalysis]: Checked inductivity of 475 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 475 trivial. 0 not checked. [2022-11-26 00:02:06,004 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:02:06,005 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1351085511] [2022-11-26 00:02:06,005 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1351085511] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:02:06,005 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:02:06,005 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-26 00:02:06,005 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [993702605] [2022-11-26 00:02:06,005 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:02:06,007 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-26 00:02:06,007 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:02:06,009 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-26 00:02:06,009 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-26 00:02:06,009 INFO L87 Difference]: Start difference. First operand 5394 states and 7954 transitions. Second operand has 5 states, 5 states have (on average 7.4) internal successors, (37), 4 states have internal predecessors, (37), 2 states have call successors, (21), 3 states have call predecessors, (21), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2022-11-26 00:02:08,347 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:02:11,213 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.16s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:02:13,658 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-26 00:02:15,049 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.24s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-26 00:02:19,196 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:02:21,037 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.82s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:02:23,122 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.90s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:02:26,470 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.97s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:02:27,050 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:02:27,050 INFO L93 Difference]: Finished difference Result 8081 states and 11898 transitions. [2022-11-26 00:02:27,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-26 00:02:27,051 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.4) internal successors, (37), 4 states have internal predecessors, (37), 2 states have call successors, (21), 3 states have call predecessors, (21), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 155 [2022-11-26 00:02:27,052 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:02:27,128 INFO L225 Difference]: With dead ends: 8081 [2022-11-26 00:02:27,128 INFO L226 Difference]: Without dead ends: 8079 [2022-11-26 00:02:27,138 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-11-26 00:02:27,141 INFO L413 NwaCegarLoop]: 2824 mSDtfsCounter, 2078 mSDsluCounter, 7666 mSDsCounter, 0 mSdLazyCounter, 1155 mSolverCounterSat, 2 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 20.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2091 SdHoareTripleChecker+Valid, 10490 SdHoareTripleChecker+Invalid, 1160 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 1155 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 20.6s IncrementalHoareTripleChecker+Time [2022-11-26 00:02:27,142 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2091 Valid, 10490 Invalid, 1160 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2 Valid, 1155 Invalid, 3 Unknown, 0 Unchecked, 20.6s Time] [2022-11-26 00:02:27,154 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8079 states. [2022-11-26 00:02:27,786 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8079 to 8071. [2022-11-26 00:02:27,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8071 states, 4667 states have (on average 1.2423398328690807) internal successors, (5798), 4782 states have internal predecessors, (5798), 3042 states have call successors, (3042), 364 states have call predecessors, (3042), 359 states have return successors, (3051), 2992 states have call predecessors, (3051), 3036 states have call successors, (3051) [2022-11-26 00:02:27,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8071 states to 8071 states and 11891 transitions. [2022-11-26 00:02:27,882 INFO L78 Accepts]: Start accepts. Automaton has 8071 states and 11891 transitions. Word has length 155 [2022-11-26 00:02:27,883 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:02:27,883 INFO L495 AbstractCegarLoop]: Abstraction has 8071 states and 11891 transitions. [2022-11-26 00:02:27,884 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.4) internal successors, (37), 4 states have internal predecessors, (37), 2 states have call successors, (21), 3 states have call predecessors, (21), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2022-11-26 00:02:27,885 INFO L276 IsEmpty]: Start isEmpty. Operand 8071 states and 11891 transitions. [2022-11-26 00:02:27,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2022-11-26 00:02:27,892 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:02:27,893 INFO L195 NwaCegarLoop]: trace histogram [14, 10, 10, 10, 10, 10, 10, 4, 4, 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] [2022-11-26 00:02:27,893 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-26 00:02:27,893 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-11-26 00:02:27,894 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:02:27,894 INFO L85 PathProgramCache]: Analyzing trace with hash 1645427534, now seen corresponding path program 1 times [2022-11-26 00:02:27,894 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:02:27,895 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1469961678] [2022-11-26 00:02:27,895 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:02:27,895 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:02:27,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:02:28,539 INFO L134 CoverageAnalysis]: Checked inductivity of 477 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 475 trivial. 0 not checked. [2022-11-26 00:02:28,539 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:02:28,540 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1469961678] [2022-11-26 00:02:28,540 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1469961678] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:02:28,540 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:02:28,540 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-26 00:02:28,540 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [157817271] [2022-11-26 00:02:28,540 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:02:28,541 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-26 00:02:28,541 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:02:28,542 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-26 00:02:28,542 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-26 00:02:28,542 INFO L87 Difference]: Start difference. First operand 8071 states and 11891 transitions. Second operand has 5 states, 5 states have (on average 8.0) internal successors, (40), 4 states have internal predecessors, (40), 2 states have call successors, (22), 3 states have call predecessors, (22), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2022-11-26 00:02:30,938 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:02:35,345 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-26 00:02:39,827 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:02:43,426 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 [] [2022-11-26 00:02:43,900 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:02:43,900 INFO L93 Difference]: Finished difference Result 8085 states and 11901 transitions. [2022-11-26 00:02:43,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-26 00:02:43,901 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.0) internal successors, (40), 4 states have internal predecessors, (40), 2 states have call successors, (22), 3 states have call predecessors, (22), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 160 [2022-11-26 00:02:43,901 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:02:43,967 INFO L225 Difference]: With dead ends: 8085 [2022-11-26 00:02:43,967 INFO L226 Difference]: Without dead ends: 8083 [2022-11-26 00:02:43,976 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-11-26 00:02:43,977 INFO L413 NwaCegarLoop]: 2827 mSDtfsCounter, 2073 mSDsluCounter, 7666 mSDsCounter, 0 mSdLazyCounter, 1155 mSolverCounterSat, 2 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2085 SdHoareTripleChecker+Valid, 10493 SdHoareTripleChecker+Invalid, 1160 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 1155 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.9s IncrementalHoareTripleChecker+Time [2022-11-26 00:02:43,977 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2085 Valid, 10493 Invalid, 1160 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 1155 Invalid, 3 Unknown, 0 Unchecked, 14.9s Time] [2022-11-26 00:02:43,987 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8083 states. [2022-11-26 00:02:44,592 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8083 to 8075. [2022-11-26 00:02:44,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8075 states, 4670 states have (on average 1.242184154175589) internal successors, (5801), 4785 states have internal predecessors, (5801), 3042 states have call successors, (3042), 365 states have call predecessors, (3042), 360 states have return successors, (3051), 2992 states have call predecessors, (3051), 3036 states have call successors, (3051) [2022-11-26 00:02:44,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8075 states to 8075 states and 11894 transitions. [2022-11-26 00:02:44,658 INFO L78 Accepts]: Start accepts. Automaton has 8075 states and 11894 transitions. Word has length 160 [2022-11-26 00:02:44,659 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:02:44,660 INFO L495 AbstractCegarLoop]: Abstraction has 8075 states and 11894 transitions. [2022-11-26 00:02:44,660 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.0) internal successors, (40), 4 states have internal predecessors, (40), 2 states have call successors, (22), 3 states have call predecessors, (22), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2022-11-26 00:02:44,660 INFO L276 IsEmpty]: Start isEmpty. Operand 8075 states and 11894 transitions. [2022-11-26 00:02:44,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2022-11-26 00:02:44,667 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:02:44,667 INFO L195 NwaCegarLoop]: trace histogram [14, 10, 10, 10, 10, 10, 10, 4, 4, 3, 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] [2022-11-26 00:02:44,667 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-26 00:02:44,668 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-11-26 00:02:44,668 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:02:44,668 INFO L85 PathProgramCache]: Analyzing trace with hash 207162826, now seen corresponding path program 1 times [2022-11-26 00:02:44,668 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:02:44,668 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [728271980] [2022-11-26 00:02:44,669 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:02:44,669 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:02:44,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:02:45,268 INFO L134 CoverageAnalysis]: Checked inductivity of 483 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 479 trivial. 0 not checked. [2022-11-26 00:02:45,268 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:02:45,268 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [728271980] [2022-11-26 00:02:45,268 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [728271980] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:02:45,268 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:02:45,269 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-26 00:02:45,269 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [909156173] [2022-11-26 00:02:45,269 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:02:45,269 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-26 00:02:45,270 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:02:45,270 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-26 00:02:45,270 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-26 00:02:45,270 INFO L87 Difference]: Start difference. First operand 8075 states and 11894 transitions. Second operand has 5 states, 5 states have (on average 8.0) internal successors, (40), 4 states have internal predecessors, (40), 2 states have call successors, (23), 3 states have call predecessors, (23), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2022-11-26 00:02:47,606 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 [] [2022-11-26 00:02:52,047 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-26 00:02:54,801 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.90s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-26 00:02:56,224 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.42s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-26 00:02:57,404 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.18s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-26 00:02:59,470 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.41s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:03:02,063 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:03:04,290 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:03:04,291 INFO L93 Difference]: Finished difference Result 8089 states and 11904 transitions. [2022-11-26 00:03:04,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-26 00:03:04,291 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.0) internal successors, (40), 4 states have internal predecessors, (40), 2 states have call successors, (23), 3 states have call predecessors, (23), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) Word has length 165 [2022-11-26 00:03:04,292 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:03:04,327 INFO L225 Difference]: With dead ends: 8089 [2022-11-26 00:03:04,328 INFO L226 Difference]: Without dead ends: 8087 [2022-11-26 00:03:04,331 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-11-26 00:03:04,332 INFO L413 NwaCegarLoop]: 2827 mSDtfsCounter, 2073 mSDsluCounter, 7666 mSDsCounter, 0 mSdLazyCounter, 1155 mSolverCounterSat, 2 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 18.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2084 SdHoareTripleChecker+Valid, 10493 SdHoareTripleChecker+Invalid, 1160 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 1155 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 18.6s IncrementalHoareTripleChecker+Time [2022-11-26 00:03:04,332 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2084 Valid, 10493 Invalid, 1160 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 1155 Invalid, 3 Unknown, 0 Unchecked, 18.6s Time] [2022-11-26 00:03:04,342 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8087 states. [2022-11-26 00:03:04,933 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8087 to 8079. [2022-11-26 00:03:04,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8079 states, 4673 states have (on average 1.2420286753691419) internal successors, (5804), 4788 states have internal predecessors, (5804), 3042 states have call successors, (3042), 366 states have call predecessors, (3042), 361 states have return successors, (3051), 2992 states have call predecessors, (3051), 3036 states have call successors, (3051) [2022-11-26 00:03:04,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8079 states to 8079 states and 11897 transitions. [2022-11-26 00:03:04,998 INFO L78 Accepts]: Start accepts. Automaton has 8079 states and 11897 transitions. Word has length 165 [2022-11-26 00:03:04,999 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:03:04,999 INFO L495 AbstractCegarLoop]: Abstraction has 8079 states and 11897 transitions. [2022-11-26 00:03:04,999 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.0) internal successors, (40), 4 states have internal predecessors, (40), 2 states have call successors, (23), 3 states have call predecessors, (23), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2022-11-26 00:03:05,000 INFO L276 IsEmpty]: Start isEmpty. Operand 8079 states and 11897 transitions. [2022-11-26 00:03:05,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2022-11-26 00:03:05,006 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:03:05,006 INFO L195 NwaCegarLoop]: trace histogram [14, 10, 10, 10, 10, 10, 10, 6, 6, 4, 3, 3, 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] [2022-11-26 00:03:05,007 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-26 00:03:05,007 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-11-26 00:03:05,007 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:03:05,008 INFO L85 PathProgramCache]: Analyzing trace with hash -1166567848, now seen corresponding path program 1 times [2022-11-26 00:03:05,008 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:03:05,008 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2049141867] [2022-11-26 00:03:05,008 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:03:05,008 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:03:05,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:03:05,574 INFO L134 CoverageAnalysis]: Checked inductivity of 519 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 513 trivial. 0 not checked. [2022-11-26 00:03:05,574 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:03:05,574 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2049141867] [2022-11-26 00:03:05,575 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2049141867] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:03:05,575 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:03:05,575 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-26 00:03:05,575 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [606581982] [2022-11-26 00:03:05,575 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:03:05,576 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-26 00:03:05,576 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:03:05,576 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-26 00:03:05,577 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-26 00:03:05,577 INFO L87 Difference]: Start difference. First operand 8079 states and 11897 transitions. Second operand has 5 states, 5 states have (on average 8.4) internal successors, (42), 4 states have internal predecessors, (42), 2 states have call successors, (26), 3 states have call predecessors, (26), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2022-11-26 00:03:07,978 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:03:13,136 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-26 00:03:15,258 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-26 00:03:17,656 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:03:19,589 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.91s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:03:22,304 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:03:23,503 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.17s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:03:25,606 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:03:25,606 INFO L93 Difference]: Finished difference Result 8093 states and 11907 transitions. [2022-11-26 00:03:25,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-26 00:03:25,607 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.4) internal successors, (42), 4 states have internal predecessors, (42), 2 states have call successors, (26), 3 states have call predecessors, (26), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) Word has length 179 [2022-11-26 00:03:25,607 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:03:25,666 INFO L225 Difference]: With dead ends: 8093 [2022-11-26 00:03:25,667 INFO L226 Difference]: Without dead ends: 8091 [2022-11-26 00:03:25,676 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-11-26 00:03:25,677 INFO L413 NwaCegarLoop]: 2827 mSDtfsCounter, 2069 mSDsluCounter, 7666 mSDsCounter, 0 mSdLazyCounter, 1150 mSolverCounterSat, 2 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 19.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2079 SdHoareTripleChecker+Valid, 10493 SdHoareTripleChecker+Invalid, 1157 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 1150 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 19.5s IncrementalHoareTripleChecker+Time [2022-11-26 00:03:25,678 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2079 Valid, 10493 Invalid, 1157 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 1150 Invalid, 5 Unknown, 0 Unchecked, 19.5s Time] [2022-11-26 00:03:25,691 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8091 states. [2022-11-26 00:03:26,435 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8091 to 8083. [2022-11-26 00:03:26,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8083 states, 4676 states have (on average 1.2418733960650128) internal successors, (5807), 4791 states have internal predecessors, (5807), 3042 states have call successors, (3042), 367 states have call predecessors, (3042), 362 states have return successors, (3051), 2992 states have call predecessors, (3051), 3036 states have call successors, (3051) [2022-11-26 00:03:26,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8083 states to 8083 states and 11900 transitions. [2022-11-26 00:03:26,504 INFO L78 Accepts]: Start accepts. Automaton has 8083 states and 11900 transitions. Word has length 179 [2022-11-26 00:03:26,508 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:03:26,508 INFO L495 AbstractCegarLoop]: Abstraction has 8083 states and 11900 transitions. [2022-11-26 00:03:26,509 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.4) internal successors, (42), 4 states have internal predecessors, (42), 2 states have call successors, (26), 3 states have call predecessors, (26), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2022-11-26 00:03:26,509 INFO L276 IsEmpty]: Start isEmpty. Operand 8083 states and 11900 transitions. [2022-11-26 00:03:26,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2022-11-26 00:03:26,516 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:03:26,516 INFO L195 NwaCegarLoop]: trace histogram [14, 10, 10, 10, 10, 10, 10, 5, 4, 4, 4, 4, 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] [2022-11-26 00:03:26,517 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-26 00:03:26,517 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-11-26 00:03:26,517 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:03:26,517 INFO L85 PathProgramCache]: Analyzing trace with hash 1430470666, now seen corresponding path program 1 times [2022-11-26 00:03:26,518 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:03:26,518 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [268718036] [2022-11-26 00:03:26,518 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:03:26,518 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:03:26,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:03:27,039 INFO L134 CoverageAnalysis]: Checked inductivity of 507 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 499 trivial. 0 not checked. [2022-11-26 00:03:27,039 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:03:27,040 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [268718036] [2022-11-26 00:03:27,040 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [268718036] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:03:27,040 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:03:27,040 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-26 00:03:27,041 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [57138830] [2022-11-26 00:03:27,041 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:03:27,041 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-26 00:03:27,041 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:03:27,042 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-26 00:03:27,042 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-26 00:03:27,043 INFO L87 Difference]: Start difference. First operand 8083 states and 11900 transitions. Second operand has 5 states, 5 states have (on average 8.0) internal successors, (40), 4 states have internal predecessors, (40), 2 states have call successors, (25), 3 states have call predecessors, (25), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2022-11-26 00:03:29,456 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:03:31,936 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:03:34,818 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-26 00:03:37,922 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-26 00:03:40,733 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:03:42,744 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:03:43,955 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:03:43,955 INFO L93 Difference]: Finished difference Result 12972 states and 19042 transitions. [2022-11-26 00:03:43,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-26 00:03:43,956 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.0) internal successors, (40), 4 states have internal predecessors, (40), 2 states have call successors, (25), 3 states have call predecessors, (25), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 175 [2022-11-26 00:03:43,956 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:03:44,055 INFO L225 Difference]: With dead ends: 12972 [2022-11-26 00:03:44,055 INFO L226 Difference]: Without dead ends: 12970 [2022-11-26 00:03:44,069 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-11-26 00:03:44,070 INFO L413 NwaCegarLoop]: 2798 mSDtfsCounter, 1917 mSDsluCounter, 7608 mSDsCounter, 0 mSdLazyCounter, 1146 mSolverCounterSat, 2 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 15.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1926 SdHoareTripleChecker+Valid, 10406 SdHoareTripleChecker+Invalid, 1154 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 1146 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 16.2s IncrementalHoareTripleChecker+Time [2022-11-26 00:03:44,070 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1926 Valid, 10406 Invalid, 1154 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 1146 Invalid, 6 Unknown, 0 Unchecked, 16.2s Time] [2022-11-26 00:03:44,089 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12970 states. [2022-11-26 00:03:45,442 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12970 to 12954. [2022-11-26 00:03:45,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12954 states, 7453 states have (on average 1.2364148664967127) internal successors, (9215), 7640 states have internal predecessors, (9215), 4898 states have call successors, (4898), 608 states have call predecessors, (4898), 600 states have return successors, (4914), 4813 states have call predecessors, (4914), 4889 states have call successors, (4914) [2022-11-26 00:03:45,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12954 states to 12954 states and 19027 transitions. [2022-11-26 00:03:45,655 INFO L78 Accepts]: Start accepts. Automaton has 12954 states and 19027 transitions. Word has length 175 [2022-11-26 00:03:45,656 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:03:45,656 INFO L495 AbstractCegarLoop]: Abstraction has 12954 states and 19027 transitions. [2022-11-26 00:03:45,656 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.0) internal successors, (40), 4 states have internal predecessors, (40), 2 states have call successors, (25), 3 states have call predecessors, (25), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2022-11-26 00:03:45,657 INFO L276 IsEmpty]: Start isEmpty. Operand 12954 states and 19027 transitions. [2022-11-26 00:03:45,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2022-11-26 00:03:45,666 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:03:45,666 INFO L195 NwaCegarLoop]: trace histogram [14, 10, 10, 10, 10, 10, 10, 6, 5, 5, 4, 4, 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] [2022-11-26 00:03:45,666 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-26 00:03:45,667 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-11-26 00:03:45,667 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:03:45,667 INFO L85 PathProgramCache]: Analyzing trace with hash -1414404658, now seen corresponding path program 1 times [2022-11-26 00:03:45,667 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:03:45,668 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1795008702] [2022-11-26 00:03:45,668 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:03:45,668 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:03:45,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:03:46,591 INFO L134 CoverageAnalysis]: Checked inductivity of 525 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 515 trivial. 0 not checked. [2022-11-26 00:03:46,591 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:03:46,591 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1795008702] [2022-11-26 00:03:46,592 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1795008702] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:03:46,592 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:03:46,592 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-26 00:03:46,592 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [419840937] [2022-11-26 00:03:46,592 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:03:46,593 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-26 00:03:46,593 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:03:46,593 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-26 00:03:46,594 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-26 00:03:46,594 INFO L87 Difference]: Start difference. First operand 12954 states and 19027 transitions. Second operand has 5 states, 5 states have (on average 8.0) internal successors, (40), 4 states have internal predecessors, (40), 2 states have call successors, (26), 3 states have call predecessors, (26), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2022-11-26 00:03:48,983 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:03:54,097 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-26 00:04:00,214 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:04:02,352 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:04:05,597 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:04:05,597 INFO L93 Difference]: Finished difference Result 12972 states and 19041 transitions. [2022-11-26 00:04:05,598 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-26 00:04:05,598 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.0) internal successors, (40), 4 states have internal predecessors, (40), 2 states have call successors, (26), 3 states have call predecessors, (26), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) Word has length 180 [2022-11-26 00:04:05,598 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:04:05,680 INFO L225 Difference]: With dead ends: 12972 [2022-11-26 00:04:05,681 INFO L226 Difference]: Without dead ends: 12970 [2022-11-26 00:04:05,690 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-11-26 00:04:05,691 INFO L413 NwaCegarLoop]: 2827 mSDtfsCounter, 2073 mSDsluCounter, 7666 mSDsCounter, 0 mSdLazyCounter, 1155 mSolverCounterSat, 2 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 17.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2081 SdHoareTripleChecker+Valid, 10493 SdHoareTripleChecker+Invalid, 1161 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 1155 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 18.3s IncrementalHoareTripleChecker+Time [2022-11-26 00:04:05,691 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2081 Valid, 10493 Invalid, 1161 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 1155 Invalid, 4 Unknown, 0 Unchecked, 18.3s Time] [2022-11-26 00:04:05,704 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12970 states. [2022-11-26 00:04:07,002 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12970 to 12962. [2022-11-26 00:04:07,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12962 states, 7459 states have (on average 1.2362246949993296) internal successors, (9221), 7646 states have internal predecessors, (9221), 4898 states have call successors, (4898), 610 states have call predecessors, (4898), 602 states have return successors, (4914), 4813 states have call predecessors, (4914), 4889 states have call successors, (4914) [2022-11-26 00:04:07,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12962 states to 12962 states and 19033 transitions. [2022-11-26 00:04:07,106 INFO L78 Accepts]: Start accepts. Automaton has 12962 states and 19033 transitions. Word has length 180 [2022-11-26 00:04:07,107 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:04:07,107 INFO L495 AbstractCegarLoop]: Abstraction has 12962 states and 19033 transitions. [2022-11-26 00:04:07,107 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.0) internal successors, (40), 4 states have internal predecessors, (40), 2 states have call successors, (26), 3 states have call predecessors, (26), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2022-11-26 00:04:07,107 INFO L276 IsEmpty]: Start isEmpty. Operand 12962 states and 19033 transitions. [2022-11-26 00:04:07,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2022-11-26 00:04:07,117 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:04:07,117 INFO L195 NwaCegarLoop]: trace histogram [14, 10, 10, 10, 10, 10, 10, 7, 6, 6, 6, 6, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:04:07,117 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-26 00:04:07,118 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-11-26 00:04:07,118 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:04:07,118 INFO L85 PathProgramCache]: Analyzing trace with hash 1665576768, now seen corresponding path program 1 times [2022-11-26 00:04:07,118 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:04:07,119 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [268098725] [2022-11-26 00:04:07,119 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:04:07,119 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:04:07,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:04:07,605 INFO L134 CoverageAnalysis]: Checked inductivity of 573 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 561 trivial. 0 not checked. [2022-11-26 00:04:07,606 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:04:07,606 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [268098725] [2022-11-26 00:04:07,606 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [268098725] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:04:07,606 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:04:07,606 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-26 00:04:07,607 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [132441448] [2022-11-26 00:04:07,607 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:04:07,608 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-26 00:04:07,608 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:04:07,609 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-26 00:04:07,609 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-26 00:04:07,610 INFO L87 Difference]: Start difference. First operand 12962 states and 19033 transitions. Second operand has 5 states, 5 states have (on average 8.4) internal successors, (42), 4 states have internal predecessors, (42), 2 states have call successors, (29), 3 states have call predecessors, (29), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2022-11-26 00:04:09,971 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:04:14,914 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-26 00:04:18,229 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:04:23,061 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:04:23,061 INFO L93 Difference]: Finished difference Result 15830 states and 23153 transitions. [2022-11-26 00:04:23,061 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-26 00:04:23,061 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.4) internal successors, (42), 4 states have internal predecessors, (42), 2 states have call successors, (29), 3 states have call predecessors, (29), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) Word has length 194 [2022-11-26 00:04:23,062 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:04:23,161 INFO L225 Difference]: With dead ends: 15830 [2022-11-26 00:04:23,161 INFO L226 Difference]: Without dead ends: 15828 [2022-11-26 00:04:23,175 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-11-26 00:04:23,176 INFO L413 NwaCegarLoop]: 2723 mSDtfsCounter, 2034 mSDsluCounter, 7455 mSDsCounter, 0 mSdLazyCounter, 1035 mSolverCounterSat, 3 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2041 SdHoareTripleChecker+Valid, 10178 SdHoareTripleChecker+Invalid, 1041 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 1035 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.7s IncrementalHoareTripleChecker+Time [2022-11-26 00:04:23,176 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2041 Valid, 10178 Invalid, 1041 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 1035 Invalid, 3 Unknown, 0 Unchecked, 14.7s Time] [2022-11-26 00:04:23,191 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15828 states. [2022-11-26 00:04:24,653 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15828 to 15821. [2022-11-26 00:04:24,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15821 states, 9106 states have (on average 1.236108060619372) internal successors, (11256), 9332 states have internal predecessors, (11256), 5935 states have call successors, (5935), 788 states have call predecessors, (5935), 777 states have return successors, (5953), 5830 states have call predecessors, (5953), 5923 states have call successors, (5953) [2022-11-26 00:04:24,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15821 states to 15821 states and 23144 transitions. [2022-11-26 00:04:24,766 INFO L78 Accepts]: Start accepts. Automaton has 15821 states and 23144 transitions. Word has length 194 [2022-11-26 00:04:24,768 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:04:24,768 INFO L495 AbstractCegarLoop]: Abstraction has 15821 states and 23144 transitions. [2022-11-26 00:04:24,769 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.4) internal successors, (42), 4 states have internal predecessors, (42), 2 states have call successors, (29), 3 states have call predecessors, (29), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2022-11-26 00:04:24,769 INFO L276 IsEmpty]: Start isEmpty. Operand 15821 states and 23144 transitions. [2022-11-26 00:04:24,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-11-26 00:04:24,778 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:04:24,778 INFO L195 NwaCegarLoop]: trace histogram [14, 10, 10, 10, 10, 10, 10, 8, 7, 7, 6, 6, 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] [2022-11-26 00:04:24,778 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-11-26 00:04:24,778 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-11-26 00:04:24,783 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:04:24,784 INFO L85 PathProgramCache]: Analyzing trace with hash -1378109480, now seen corresponding path program 1 times [2022-11-26 00:04:24,784 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:04:24,784 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1055920251] [2022-11-26 00:04:24,784 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:04:24,784 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:04:24,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:04:25,254 INFO L134 CoverageAnalysis]: Checked inductivity of 599 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 585 trivial. 0 not checked. [2022-11-26 00:04:25,254 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:04:25,254 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1055920251] [2022-11-26 00:04:25,254 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1055920251] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:04:25,254 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:04:25,255 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-26 00:04:25,255 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1507625540] [2022-11-26 00:04:25,255 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:04:25,257 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-26 00:04:25,257 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:04:25,257 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-26 00:04:25,258 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-26 00:04:25,259 INFO L87 Difference]: Start difference. First operand 15821 states and 23144 transitions. Second operand has 5 states, 5 states have (on average 8.4) internal successors, (42), 4 states have internal predecessors, (42), 2 states have call successors, (30), 3 states have call predecessors, (30), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2022-11-26 00:04:27,602 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:04:32,837 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-26 00:04:37,180 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:04:39,895 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:04:41,421 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:04:41,421 INFO L93 Difference]: Finished difference Result 20920 states and 30548 transitions. [2022-11-26 00:04:41,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-26 00:04:41,421 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.4) internal successors, (42), 4 states have internal predecessors, (42), 2 states have call successors, (30), 3 states have call predecessors, (30), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) Word has length 199 [2022-11-26 00:04:41,422 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:04:41,537 INFO L225 Difference]: With dead ends: 20920 [2022-11-26 00:04:41,538 INFO L226 Difference]: Without dead ends: 20918 [2022-11-26 00:04:41,555 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-11-26 00:04:41,556 INFO L413 NwaCegarLoop]: 2807 mSDtfsCounter, 1951 mSDsluCounter, 7626 mSDsCounter, 0 mSdLazyCounter, 1151 mSolverCounterSat, 2 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1957 SdHoareTripleChecker+Valid, 10433 SdHoareTripleChecker+Invalid, 1157 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 1151 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15.0s IncrementalHoareTripleChecker+Time [2022-11-26 00:04:41,556 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1957 Valid, 10433 Invalid, 1157 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 1151 Invalid, 4 Unknown, 0 Unchecked, 15.0s Time] [2022-11-26 00:04:41,576 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20918 states. [2022-11-26 00:04:43,311 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20918 to 20906. [2022-11-26 00:04:43,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20906 states, 12012 states have (on average 1.2335164835164836) internal successors, (14817), 12310 states have internal predecessors, (14817), 7847 states have call successors, (7847), 1058 states have call predecessors, (7847), 1044 states have return successors, (7872), 7707 states have call predecessors, (7872), 7832 states have call successors, (7872) [2022-11-26 00:04:43,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20906 states to 20906 states and 30536 transitions. [2022-11-26 00:04:43,457 INFO L78 Accepts]: Start accepts. Automaton has 20906 states and 30536 transitions. Word has length 199 [2022-11-26 00:04:43,458 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:04:43,458 INFO L495 AbstractCegarLoop]: Abstraction has 20906 states and 30536 transitions. [2022-11-26 00:04:43,458 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.4) internal successors, (42), 4 states have internal predecessors, (42), 2 states have call successors, (30), 3 states have call predecessors, (30), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2022-11-26 00:04:43,459 INFO L276 IsEmpty]: Start isEmpty. Operand 20906 states and 30536 transitions. [2022-11-26 00:04:43,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2022-11-26 00:04:43,468 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:04:43,468 INFO L195 NwaCegarLoop]: trace histogram [14, 10, 10, 10, 10, 10, 10, 9, 8, 8, 4, 4, 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] [2022-11-26 00:04:43,468 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-11-26 00:04:43,468 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-11-26 00:04:43,469 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:04:43,469 INFO L85 PathProgramCache]: Analyzing trace with hash -1529396086, now seen corresponding path program 1 times [2022-11-26 00:04:43,469 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:04:43,469 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1053860781] [2022-11-26 00:04:43,469 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:04:43,470 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:04:43,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:04:43,905 INFO L134 CoverageAnalysis]: Checked inductivity of 603 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 587 trivial. 0 not checked. [2022-11-26 00:04:43,905 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:04:43,906 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1053860781] [2022-11-26 00:04:43,906 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1053860781] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:04:43,906 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:04:43,906 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-26 00:04:43,906 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [723052357] [2022-11-26 00:04:43,906 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:04:43,907 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-26 00:04:43,907 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:04:43,907 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-26 00:04:43,908 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-26 00:04:43,908 INFO L87 Difference]: Start difference. First operand 20906 states and 30536 transitions. Second operand has 5 states, 5 states have (on average 8.0) internal successors, (40), 4 states have internal predecessors, (40), 2 states have call successors, (29), 3 states have call predecessors, (29), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2022-11-26 00:04:46,250 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:04:47,864 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.13s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:04:51,003 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-26 00:04:53,066 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.19s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-26 00:04:54,077 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.01s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-26 00:04:56,809 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:04:58,274 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.08s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:05:00,813 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:05:03,438 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:05:05,203 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.76s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:05:06,401 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:05:06,402 INFO L93 Difference]: Finished difference Result 20928 states and 30554 transitions. [2022-11-26 00:05:06,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-26 00:05:06,402 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.0) internal successors, (40), 4 states have internal predecessors, (40), 2 states have call successors, (29), 3 states have call predecessors, (29), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) Word has length 195 [2022-11-26 00:05:06,403 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:05:06,504 INFO L225 Difference]: With dead ends: 20928 [2022-11-26 00:05:06,505 INFO L226 Difference]: Without dead ends: 20926 [2022-11-26 00:05:06,521 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-11-26 00:05:06,522 INFO L413 NwaCegarLoop]: 2827 mSDtfsCounter, 2073 mSDsluCounter, 7666 mSDsCounter, 0 mSdLazyCounter, 1154 mSolverCounterSat, 2 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 20.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2078 SdHoareTripleChecker+Valid, 10493 SdHoareTripleChecker+Invalid, 1161 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 1154 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 21.0s IncrementalHoareTripleChecker+Time [2022-11-26 00:05:06,523 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2078 Valid, 10493 Invalid, 1161 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 1154 Invalid, 5 Unknown, 0 Unchecked, 21.0s Time] [2022-11-26 00:05:06,544 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20926 states. [2022-11-26 00:05:08,174 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20926 to 20918. [2022-11-26 00:05:08,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20918 states, 12021 states have (on average 1.2333416521088096) internal successors, (14826), 12319 states have internal predecessors, (14826), 7847 states have call successors, (7847), 1061 states have call predecessors, (7847), 1047 states have return successors, (7872), 7707 states have call predecessors, (7872), 7832 states have call successors, (7872) [2022-11-26 00:05:08,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20918 states to 20918 states and 30545 transitions. [2022-11-26 00:05:08,303 INFO L78 Accepts]: Start accepts. Automaton has 20918 states and 30545 transitions. Word has length 195 [2022-11-26 00:05:08,303 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:05:08,303 INFO L495 AbstractCegarLoop]: Abstraction has 20918 states and 30545 transitions. [2022-11-26 00:05:08,304 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.0) internal successors, (40), 4 states have internal predecessors, (40), 2 states have call successors, (29), 3 states have call predecessors, (29), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2022-11-26 00:05:08,304 INFO L276 IsEmpty]: Start isEmpty. Operand 20918 states and 30545 transitions. [2022-11-26 00:05:08,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2022-11-26 00:05:08,316 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:05:08,317 INFO L195 NwaCegarLoop]: trace histogram [14, 10, 10, 10, 10, 10, 10, 10, 9, 9, 6, 6, 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] [2022-11-26 00:05:08,317 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-11-26 00:05:08,317 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-11-26 00:05:08,317 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:05:08,318 INFO L85 PathProgramCache]: Analyzing trace with hash -711497576, now seen corresponding path program 1 times [2022-11-26 00:05:08,318 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:05:08,318 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1592008076] [2022-11-26 00:05:08,318 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:05:08,319 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:05:08,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:05:08,875 INFO L134 CoverageAnalysis]: Checked inductivity of 663 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 645 trivial. 0 not checked. [2022-11-26 00:05:08,876 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:05:08,876 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1592008076] [2022-11-26 00:05:08,876 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1592008076] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:05:08,876 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:05:08,877 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-26 00:05:08,877 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1274949052] [2022-11-26 00:05:08,877 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:05:08,878 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-26 00:05:08,878 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:05:08,879 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-26 00:05:08,879 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-26 00:05:08,879 INFO L87 Difference]: Start difference. First operand 20918 states and 30545 transitions. Second operand has 5 states, 5 states have (on average 8.4) internal successors, (42), 4 states have internal predecessors, (42), 2 states have call successors, (32), 3 states have call predecessors, (32), 1 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2022-11-26 00:05:11,193 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:05:12,849 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.02s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:05:14,274 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.42s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:05:17,197 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-26 00:05:21,335 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-26 00:05:23,604 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:05:26,646 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.24s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:05:28,331 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.05s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:05:29,462 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:05:29,462 INFO L93 Difference]: Finished difference Result 20940 states and 30563 transitions. [2022-11-26 00:05:29,463 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-26 00:05:29,463 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.4) internal successors, (42), 4 states have internal predecessors, (42), 2 states have call successors, (32), 3 states have call predecessors, (32), 1 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) Word has length 209 [2022-11-26 00:05:29,463 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:05:29,561 INFO L225 Difference]: With dead ends: 20940 [2022-11-26 00:05:29,562 INFO L226 Difference]: Without dead ends: 20938 [2022-11-26 00:05:29,578 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-11-26 00:05:29,578 INFO L413 NwaCegarLoop]: 2827 mSDtfsCounter, 2069 mSDsluCounter, 7666 mSDsCounter, 0 mSdLazyCounter, 1154 mSolverCounterSat, 2 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 18.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2073 SdHoareTripleChecker+Valid, 10493 SdHoareTripleChecker+Invalid, 1160 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 1154 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 19.2s IncrementalHoareTripleChecker+Time [2022-11-26 00:05:29,579 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2073 Valid, 10493 Invalid, 1160 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 1154 Invalid, 4 Unknown, 0 Unchecked, 19.2s Time] [2022-11-26 00:05:29,598 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20938 states. [2022-11-26 00:05:31,136 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20938 to 20930. [2022-11-26 00:05:31,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20930 states, 12030 states have (on average 1.2331670822942644) internal successors, (14835), 12328 states have internal predecessors, (14835), 7847 states have call successors, (7847), 1064 states have call predecessors, (7847), 1050 states have return successors, (7872), 7707 states have call predecessors, (7872), 7832 states have call successors, (7872) [2022-11-26 00:05:31,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20930 states to 20930 states and 30554 transitions. [2022-11-26 00:05:31,262 INFO L78 Accepts]: Start accepts. Automaton has 20930 states and 30554 transitions. Word has length 209 [2022-11-26 00:05:31,263 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:05:31,263 INFO L495 AbstractCegarLoop]: Abstraction has 20930 states and 30554 transitions. [2022-11-26 00:05:31,263 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.4) internal successors, (42), 4 states have internal predecessors, (42), 2 states have call successors, (32), 3 states have call predecessors, (32), 1 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2022-11-26 00:05:31,263 INFO L276 IsEmpty]: Start isEmpty. Operand 20930 states and 30554 transitions. [2022-11-26 00:05:31,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2022-11-26 00:05:31,274 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:05:31,274 INFO L195 NwaCegarLoop]: trace histogram [14, 11, 10, 10, 10, 10, 10, 10, 10, 10, 4, 4, 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] [2022-11-26 00:05:31,275 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-11-26 00:05:31,275 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-11-26 00:05:31,275 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:05:31,275 INFO L85 PathProgramCache]: Analyzing trace with hash 953226954, now seen corresponding path program 1 times [2022-11-26 00:05:31,276 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:05:31,276 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [761976806] [2022-11-26 00:05:31,276 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:05:31,276 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:05:31,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:05:32,039 INFO L134 CoverageAnalysis]: Checked inductivity of 675 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 655 trivial. 0 not checked. [2022-11-26 00:05:32,039 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:05:32,039 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [761976806] [2022-11-26 00:05:32,040 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [761976806] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:05:32,040 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:05:32,040 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-26 00:05:32,040 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1899285986] [2022-11-26 00:05:32,040 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:05:32,041 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-26 00:05:32,041 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:05:32,042 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-26 00:05:32,042 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-26 00:05:32,042 INFO L87 Difference]: Start difference. First operand 20930 states and 30554 transitions. Second operand has 5 states, 5 states have (on average 8.0) internal successors, (40), 4 states have internal predecessors, (40), 2 states have call successors, (31), 3 states have call predecessors, (31), 1 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) [2022-11-26 00:05:34,428 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:05:37,337 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.09s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:05:39,928 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-26 00:05:43,575 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:05:47,535 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:05:50,076 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:05:51,196 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:05:51,196 INFO L93 Difference]: Finished difference Result 20952 states and 30572 transitions. [2022-11-26 00:05:51,196 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-26 00:05:51,197 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.0) internal successors, (40), 4 states have internal predecessors, (40), 2 states have call successors, (31), 3 states have call predecessors, (31), 1 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) Word has length 205 [2022-11-26 00:05:51,197 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:05:51,327 INFO L225 Difference]: With dead ends: 20952 [2022-11-26 00:05:51,327 INFO L226 Difference]: Without dead ends: 20948 [2022-11-26 00:05:51,335 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-11-26 00:05:51,335 INFO L413 NwaCegarLoop]: 2827 mSDtfsCounter, 2073 mSDsluCounter, 7666 mSDsCounter, 0 mSdLazyCounter, 1153 mSolverCounterSat, 2 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 17.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2076 SdHoareTripleChecker+Valid, 10493 SdHoareTripleChecker+Invalid, 1160 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 1153 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 17.7s IncrementalHoareTripleChecker+Time [2022-11-26 00:05:51,336 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2076 Valid, 10493 Invalid, 1160 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 1153 Invalid, 5 Unknown, 0 Unchecked, 17.7s Time] [2022-11-26 00:05:51,352 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20948 states. [2022-11-26 00:05:52,709 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20948 to 20940. [2022-11-26 00:05:52,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20940 states, 12038 states have (on average 1.2329290579830536) internal successors, (14842), 12335 states have internal predecessors, (14842), 7847 states have call successors, (7847), 1067 states have call predecessors, (7847), 1052 states have return successors, (7872), 7707 states have call predecessors, (7872), 7832 states have call successors, (7872) [2022-11-26 00:05:52,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20940 states to 20940 states and 30561 transitions. [2022-11-26 00:05:52,817 INFO L78 Accepts]: Start accepts. Automaton has 20940 states and 30561 transitions. Word has length 205 [2022-11-26 00:05:52,817 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:05:52,817 INFO L495 AbstractCegarLoop]: Abstraction has 20940 states and 30561 transitions. [2022-11-26 00:05:52,817 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.0) internal successors, (40), 4 states have internal predecessors, (40), 2 states have call successors, (31), 3 states have call predecessors, (31), 1 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) [2022-11-26 00:05:52,818 INFO L276 IsEmpty]: Start isEmpty. Operand 20940 states and 30561 transitions. [2022-11-26 00:05:52,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 220 [2022-11-26 00:05:52,828 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:05:52,829 INFO L195 NwaCegarLoop]: trace histogram [14, 12, 11, 11, 10, 10, 10, 10, 10, 10, 6, 6, 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] [2022-11-26 00:05:52,829 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-11-26 00:05:52,829 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-11-26 00:05:52,829 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:05:52,830 INFO L85 PathProgramCache]: Analyzing trace with hash -663824040, now seen corresponding path program 1 times [2022-11-26 00:05:52,830 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:05:52,830 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1090195128] [2022-11-26 00:05:52,830 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:05:52,830 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:05:52,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:05:53,319 INFO L134 CoverageAnalysis]: Checked inductivity of 743 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 721 trivial. 0 not checked. [2022-11-26 00:05:53,319 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:05:53,319 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1090195128] [2022-11-26 00:05:53,319 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1090195128] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:05:53,320 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:05:53,320 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-26 00:05:53,320 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1918912843] [2022-11-26 00:05:53,320 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:05:53,321 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-26 00:05:53,321 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:05:53,321 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-26 00:05:53,321 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-26 00:05:53,322 INFO L87 Difference]: Start difference. First operand 20940 states and 30561 transitions. Second operand has 5 states, 5 states have (on average 8.4) internal successors, (42), 4 states have internal predecessors, (42), 2 states have call successors, (34), 3 states have call predecessors, (34), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2022-11-26 00:05:55,696 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:06:00,476 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-26 00:06:05,661 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:06:07,858 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:06:10,412 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:06:10,412 INFO L93 Difference]: Finished difference Result 20958 states and 30575 transitions. [2022-11-26 00:06:10,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-26 00:06:10,413 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.4) internal successors, (42), 4 states have internal predecessors, (42), 2 states have call successors, (34), 3 states have call predecessors, (34), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) Word has length 219 [2022-11-26 00:06:10,413 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:06:10,476 INFO L225 Difference]: With dead ends: 20958 [2022-11-26 00:06:10,476 INFO L226 Difference]: Without dead ends: 20848 [2022-11-26 00:06:10,483 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-11-26 00:06:10,483 INFO L413 NwaCegarLoop]: 2808 mSDtfsCounter, 1951 mSDsluCounter, 7628 mSDsCounter, 0 mSdLazyCounter, 1148 mSolverCounterSat, 2 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 15.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1953 SdHoareTripleChecker+Valid, 10436 SdHoareTripleChecker+Invalid, 1154 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 1148 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15.6s IncrementalHoareTripleChecker+Time [2022-11-26 00:06:10,484 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1953 Valid, 10436 Invalid, 1154 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 1148 Invalid, 4 Unknown, 0 Unchecked, 15.6s Time] [2022-11-26 00:06:10,496 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20848 states. [2022-11-26 00:06:12,304 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20848 to 20836. [2022-11-26 00:06:12,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20836 states, 11981 states have (on average 1.2336198981721058) internal successors, (14780), 12274 states have internal predecessors, (14780), 7818 states have call successors, (7818), 1048 states have call predecessors, (7818), 1034 states have return successors, (7846), 7683 states have call predecessors, (7846), 7806 states have call successors, (7846) [2022-11-26 00:06:12,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20836 states to 20836 states and 30444 transitions. [2022-11-26 00:06:12,412 INFO L78 Accepts]: Start accepts. Automaton has 20836 states and 30444 transitions. Word has length 219 [2022-11-26 00:06:12,412 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:06:12,412 INFO L495 AbstractCegarLoop]: Abstraction has 20836 states and 30444 transitions. [2022-11-26 00:06:12,413 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.4) internal successors, (42), 4 states have internal predecessors, (42), 2 states have call successors, (34), 3 states have call predecessors, (34), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2022-11-26 00:06:12,413 INFO L276 IsEmpty]: Start isEmpty. Operand 20836 states and 30444 transitions. [2022-11-26 00:06:12,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 220 [2022-11-26 00:06:12,424 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:06:12,424 INFO L195 NwaCegarLoop]: trace histogram [13, 12, 12, 12, 12, 12, 12, 4, 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] [2022-11-26 00:06:12,424 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-11-26 00:06:12,425 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-11-26 00:06:12,425 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:06:12,425 INFO L85 PathProgramCache]: Analyzing trace with hash 2124638851, now seen corresponding path program 1 times [2022-11-26 00:06:12,425 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:06:12,425 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [82242069] [2022-11-26 00:06:12,426 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:06:12,426 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:06:12,536 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-26 00:06:12,536 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1456742597] [2022-11-26 00:06:12,537 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:06:12,537 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-26 00:06:12,537 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e4a452d-86bd-4651-bdf1-95af7b4b4e24/bin/utaipan-ByfvJB40ur/z3 [2022-11-26 00:06:12,540 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e4a452d-86bd-4651-bdf1-95af7b4b4e24/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-26 00:06:12,563 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e4a452d-86bd-4651-bdf1-95af7b4b4e24/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-26 00:06:13,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:06:13,985 INFO L263 TraceCheckSpWp]: Trace formula consists of 3585 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-26 00:06:14,000 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-26 00:06:14,105 INFO L134 CoverageAnalysis]: Checked inductivity of 570 backedges. 184 proven. 0 refuted. 0 times theorem prover too weak. 386 trivial. 0 not checked. [2022-11-26 00:06:14,105 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-26 00:06:14,105 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:06:14,105 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [82242069] [2022-11-26 00:06:14,106 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-26 00:06:14,106 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1456742597] [2022-11-26 00:06:14,106 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1456742597] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:06:14,106 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:06:14,106 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-26 00:06:14,107 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1157446994] [2022-11-26 00:06:14,107 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:06:14,107 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-26 00:06:14,108 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:06:14,108 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-26 00:06:14,108 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-26 00:06:14,109 INFO L87 Difference]: Start difference. First operand 20836 states and 30444 transitions. Second operand has 3 states, 3 states have (on average 26.666666666666668) internal successors, (80), 3 states have internal predecessors, (80), 3 states have call successors, (32), 3 states have call predecessors, (32), 3 states have return successors, (30), 3 states have call predecessors, (30), 3 states have call successors, (30) [2022-11-26 00:06:16,581 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:06:20,321 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-26 00:06:23,098 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:06:24,764 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.62s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:06:27,672 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:06:27,672 INFO L93 Difference]: Finished difference Result 59812 states and 87411 transitions. [2022-11-26 00:06:27,673 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-26 00:06:27,673 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 26.666666666666668) internal successors, (80), 3 states have internal predecessors, (80), 3 states have call successors, (32), 3 states have call predecessors, (32), 3 states have return successors, (30), 3 states have call predecessors, (30), 3 states have call successors, (30) Word has length 219 [2022-11-26 00:06:27,673 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:06:27,857 INFO L225 Difference]: With dead ends: 59812 [2022-11-26 00:06:27,857 INFO L226 Difference]: Without dead ends: 38997 [2022-11-26 00:06:28,004 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 218 GetRequests, 217 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-26 00:06:28,005 INFO L413 NwaCegarLoop]: 2663 mSDtfsCounter, 1966 mSDsluCounter, 1897 mSDsCounter, 0 mSdLazyCounter, 532 mSolverCounterSat, 41 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1967 SdHoareTripleChecker+Valid, 4560 SdHoareTripleChecker+Invalid, 576 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 41 IncrementalHoareTripleChecker+Valid, 532 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.1s IncrementalHoareTripleChecker+Time [2022-11-26 00:06:28,006 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1967 Valid, 4560 Invalid, 576 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [41 Valid, 532 Invalid, 3 Unknown, 0 Unchecked, 11.1s Time] [2022-11-26 00:06:28,042 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38997 states. [2022-11-26 00:06:31,490 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38997 to 38821. [2022-11-26 00:06:31,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 38821 states, 22304 states have (on average 1.226506456241033) internal successors, (27356), 22862 states have internal predecessors, (27356), 14607 states have call successors, (14607), 1946 states have call predecessors, (14607), 1907 states have return successors, (14707), 14318 states have call predecessors, (14707), 14595 states have call successors, (14707) [2022-11-26 00:06:31,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38821 states to 38821 states and 56670 transitions. [2022-11-26 00:06:31,753 INFO L78 Accepts]: Start accepts. Automaton has 38821 states and 56670 transitions. Word has length 219 [2022-11-26 00:06:31,753 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:06:31,753 INFO L495 AbstractCegarLoop]: Abstraction has 38821 states and 56670 transitions. [2022-11-26 00:06:31,754 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 26.666666666666668) internal successors, (80), 3 states have internal predecessors, (80), 3 states have call successors, (32), 3 states have call predecessors, (32), 3 states have return successors, (30), 3 states have call predecessors, (30), 3 states have call successors, (30) [2022-11-26 00:06:31,754 INFO L276 IsEmpty]: Start isEmpty. Operand 38821 states and 56670 transitions. [2022-11-26 00:06:31,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 244 [2022-11-26 00:06:31,770 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:06:31,771 INFO L195 NwaCegarLoop]: trace histogram [15, 12, 12, 12, 12, 12, 12, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:06:31,790 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e4a452d-86bd-4651-bdf1-95af7b4b4e24/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-26 00:06:31,984 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e4a452d-86bd-4651-bdf1-95af7b4b4e24/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2022-11-26 00:06:31,985 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-11-26 00:06:31,985 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:06:31,985 INFO L85 PathProgramCache]: Analyzing trace with hash -2145476704, now seen corresponding path program 1 times [2022-11-26 00:06:31,985 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:06:31,985 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1322771115] [2022-11-26 00:06:31,986 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:06:31,986 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:06:32,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:06:32,213 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:06:32,213 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1322771115] [2022-11-26 00:06:32,214 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2022-11-26 00:06:32,214 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1582057805] [2022-11-26 00:06:32,214 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:06:32,214 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-26 00:06:32,214 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e4a452d-86bd-4651-bdf1-95af7b4b4e24/bin/utaipan-ByfvJB40ur/z3 [2022-11-26 00:06:32,215 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e4a452d-86bd-4651-bdf1-95af7b4b4e24/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-26 00:06:32,240 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e4a452d-86bd-4651-bdf1-95af7b4b4e24/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-26 00:06:33,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:06:33,687 INFO L263 TraceCheckSpWp]: Trace formula consists of 3654 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-26 00:06:33,698 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-26 00:06:33,751 INFO L134 CoverageAnalysis]: Checked inductivity of 631 backedges. 235 proven. 0 refuted. 0 times theorem prover too weak. 396 trivial. 0 not checked. [2022-11-26 00:06:33,752 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-26 00:06:33,752 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1582057805] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:06:33,752 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:06:33,752 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-26 00:06:33,752 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1954624929] [2022-11-26 00:06:33,753 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:06:33,753 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-26 00:06:33,753 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:06:33,757 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-26 00:06:33,757 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-26 00:06:33,757 INFO L87 Difference]: Start difference. First operand 38821 states and 56670 transitions. Second operand has 3 states, 3 states have (on average 31.333333333333332) internal successors, (94), 3 states have internal predecessors, (94), 3 states have call successors, (36), 3 states have call predecessors, (36), 3 states have return successors, (34), 3 states have call predecessors, (34), 3 states have call successors, (34) [2022-11-26 00:06:37,566 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:06:41,048 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-26 00:06:44,088 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:06:48,182 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:06:48,182 INFO L93 Difference]: Finished difference Result 96397 states and 140333 transitions. [2022-11-26 00:06:48,183 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-26 00:06:48,183 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 31.333333333333332) internal successors, (94), 3 states have internal predecessors, (94), 3 states have call successors, (36), 3 states have call predecessors, (36), 3 states have return successors, (34), 3 states have call predecessors, (34), 3 states have call successors, (34) Word has length 243 [2022-11-26 00:06:48,183 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:06:48,484 INFO L225 Difference]: With dead ends: 96397 [2022-11-26 00:06:48,484 INFO L226 Difference]: Without dead ends: 57597 [2022-11-26 00:06:48,641 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 242 GetRequests, 241 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-26 00:06:48,642 INFO L413 NwaCegarLoop]: 2657 mSDtfsCounter, 1946 mSDsluCounter, 1918 mSDsCounter, 0 mSdLazyCounter, 577 mSolverCounterSat, 21 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1948 SdHoareTripleChecker+Valid, 4575 SdHoareTripleChecker+Invalid, 601 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 577 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.7s IncrementalHoareTripleChecker+Time [2022-11-26 00:06:48,642 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1948 Valid, 4575 Invalid, 601 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 577 Invalid, 3 Unknown, 0 Unchecked, 9.7s Time] [2022-11-26 00:06:48,690 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57597 states. [2022-11-26 00:06:53,804 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57597 to 57421. [2022-11-26 00:06:53,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 57421 states, 32956 states have (on average 1.217198689161306) internal successors, (40114), 33779 states have internal predecessors, (40114), 21508 states have call successors, (21508), 3018 states have call predecessors, (21508), 2954 states have return successors, (21680), 21065 states have call predecessors, (21680), 21496 states have call successors, (21680) [2022-11-26 00:06:54,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57421 states to 57421 states and 83302 transitions. [2022-11-26 00:06:54,487 INFO L78 Accepts]: Start accepts. Automaton has 57421 states and 83302 transitions. Word has length 243 [2022-11-26 00:06:54,487 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:06:54,487 INFO L495 AbstractCegarLoop]: Abstraction has 57421 states and 83302 transitions. [2022-11-26 00:06:54,488 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 31.333333333333332) internal successors, (94), 3 states have internal predecessors, (94), 3 states have call successors, (36), 3 states have call predecessors, (36), 3 states have return successors, (34), 3 states have call predecessors, (34), 3 states have call successors, (34) [2022-11-26 00:06:54,488 INFO L276 IsEmpty]: Start isEmpty. Operand 57421 states and 83302 transitions. [2022-11-26 00:06:54,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 350 [2022-11-26 00:06:54,508 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:06:54,509 INFO L195 NwaCegarLoop]: trace histogram [21, 14, 14, 14, 14, 14, 14, 11, 11, 5, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:06:54,525 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e4a452d-86bd-4651-bdf1-95af7b4b4e24/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-26 00:06:54,723 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e4a452d-86bd-4651-bdf1-95af7b4b4e24/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2022-11-26 00:06:54,723 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-11-26 00:06:54,724 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:06:54,724 INFO L85 PathProgramCache]: Analyzing trace with hash -704444655, now seen corresponding path program 1 times [2022-11-26 00:06:54,724 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:06:54,724 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [415986598] [2022-11-26 00:06:54,724 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:06:54,725 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:06:54,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:06:55,234 INFO L134 CoverageAnalysis]: Checked inductivity of 1187 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 1172 trivial. 0 not checked. [2022-11-26 00:06:55,235 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:06:55,235 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [415986598] [2022-11-26 00:06:55,235 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [415986598] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:06:55,235 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:06:55,236 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-26 00:06:55,236 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [141015330] [2022-11-26 00:06:55,236 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:06:55,237 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-26 00:06:55,237 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:06:55,237 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-26 00:06:55,238 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-26 00:06:55,238 INFO L87 Difference]: Start difference. First operand 57421 states and 83302 transitions. Second operand has 3 states, 3 states have (on average 38.333333333333336) internal successors, (115), 3 states have internal predecessors, (115), 3 states have call successors, (48), 2 states have call predecessors, (48), 1 states have return successors, (46), 3 states have call predecessors, (46), 3 states have call successors, (46) [2022-11-26 00:07:00,389 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 [] [2022-11-26 00:07:02,872 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.18s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:07:06,193 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-26 00:07:08,331 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.99s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-26 00:07:10,732 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:07:14,020 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:07:14,020 INFO L93 Difference]: Finished difference Result 108731 states and 157321 transitions. [2022-11-26 00:07:14,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-26 00:07:14,021 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 38.333333333333336) internal successors, (115), 3 states have internal predecessors, (115), 3 states have call successors, (48), 2 states have call predecessors, (48), 1 states have return successors, (46), 3 states have call predecessors, (46), 3 states have call successors, (46) Word has length 349 [2022-11-26 00:07:14,021 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:07:14,427 INFO L225 Difference]: With dead ends: 108731 [2022-11-26 00:07:14,427 INFO L226 Difference]: Without dead ends: 51331 [2022-11-26 00:07:14,635 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-26 00:07:14,636 INFO L413 NwaCegarLoop]: 3427 mSDtfsCounter, 1603 mSDsluCounter, 2027 mSDsCounter, 0 mSdLazyCounter, 692 mSolverCounterSat, 16 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1605 SdHoareTripleChecker+Valid, 5454 SdHoareTripleChecker+Invalid, 711 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 692 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15.2s IncrementalHoareTripleChecker+Time [2022-11-26 00:07:14,636 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1605 Valid, 5454 Invalid, 711 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 692 Invalid, 3 Unknown, 0 Unchecked, 15.2s Time] [2022-11-26 00:07:14,675 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51331 states. [2022-11-26 00:07:17,964 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51331 to 51142. [2022-11-26 00:07:17,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 51142 states, 29769 states have (on average 1.2149551546911217) internal successors, (36168), 30497 states have internal predecessors, (36168), 18539 states have call successors, (18539), 2882 states have call predecessors, (18539), 2831 states have return successors, (18657), 18112 states have call predecessors, (18657), 18527 states have call successors, (18657) [2022-11-26 00:07:18,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51142 states to 51142 states and 73364 transitions. [2022-11-26 00:07:18,396 INFO L78 Accepts]: Start accepts. Automaton has 51142 states and 73364 transitions. Word has length 349 [2022-11-26 00:07:18,396 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:07:18,396 INFO L495 AbstractCegarLoop]: Abstraction has 51142 states and 73364 transitions. [2022-11-26 00:07:18,396 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 38.333333333333336) internal successors, (115), 3 states have internal predecessors, (115), 3 states have call successors, (48), 2 states have call predecessors, (48), 1 states have return successors, (46), 3 states have call predecessors, (46), 3 states have call successors, (46) [2022-11-26 00:07:18,396 INFO L276 IsEmpty]: Start isEmpty. Operand 51142 states and 73364 transitions. [2022-11-26 00:07:18,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 355 [2022-11-26 00:07:18,405 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:07:18,406 INFO L195 NwaCegarLoop]: trace histogram [21, 14, 14, 14, 14, 14, 14, 12, 12, 5, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:07:18,406 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-11-26 00:07:18,406 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-11-26 00:07:18,407 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:07:18,407 INFO L85 PathProgramCache]: Analyzing trace with hash -428601202, now seen corresponding path program 1 times [2022-11-26 00:07:18,407 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:07:18,407 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1147744776] [2022-11-26 00:07:18,408 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:07:18,408 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:07:18,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:07:18,853 INFO L134 CoverageAnalysis]: Checked inductivity of 1220 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 1202 trivial. 0 not checked. [2022-11-26 00:07:18,853 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:07:18,853 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1147744776] [2022-11-26 00:07:18,854 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1147744776] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:07:18,854 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:07:18,854 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-26 00:07:18,854 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1781198973] [2022-11-26 00:07:18,854 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:07:18,855 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-26 00:07:18,855 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:07:18,856 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-26 00:07:18,856 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-26 00:07:18,856 INFO L87 Difference]: Start difference. First operand 51142 states and 73364 transitions. Second operand has 3 states, 3 states have (on average 39.0) internal successors, (117), 3 states have internal predecessors, (117), 3 states have call successors, (50), 2 states have call predecessors, (50), 1 states have return successors, (48), 3 states have call predecessors, (48), 3 states have call successors, (48) [2022-11-26 00:07:21,696 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:07:24,011 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:07:29,153 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-26 00:07:31,312 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-26 00:07:33,438 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 []