./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-3com-3c59x.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5c0544c-45e8-4043-8440-14726c151b78/bin/utaipan-gh47qXpMRh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5c0544c-45e8-4043-8440-14726c151b78/bin/utaipan-gh47qXpMRh/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5c0544c-45e8-4043-8440-14726c151b78/bin/utaipan-gh47qXpMRh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5c0544c-45e8-4043-8440-14726c151b78/bin/utaipan-gh47qXpMRh/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-3com-3c59x.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5c0544c-45e8-4043-8440-14726c151b78/bin/utaipan-gh47qXpMRh/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5c0544c-45e8-4043-8440-14726c151b78/bin/utaipan-gh47qXpMRh --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash eed79abab256f81f1863cfddb0c42a9b6564cf98ca16b371152af6fd281f627c --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-2329fc7 [2022-12-14 08:57:45,093 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 08:57:45,094 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 08:57:45,107 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 08:57:45,108 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 08:57:45,108 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 08:57:45,109 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 08:57:45,110 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 08:57:45,111 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 08:57:45,112 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 08:57:45,112 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 08:57:45,113 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 08:57:45,113 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 08:57:45,114 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 08:57:45,115 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 08:57:45,116 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 08:57:45,116 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 08:57:45,117 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 08:57:45,118 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 08:57:45,119 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 08:57:45,120 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 08:57:45,121 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 08:57:45,130 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 08:57:45,130 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 08:57:45,133 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 08:57:45,133 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 08:57:45,134 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 08:57:45,134 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 08:57:45,135 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 08:57:45,135 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 08:57:45,136 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 08:57:45,136 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 08:57:45,137 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 08:57:45,137 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 08:57:45,138 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 08:57:45,138 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 08:57:45,139 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 08:57:45,139 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 08:57:45,139 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 08:57:45,140 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 08:57:45,140 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 08:57:45,141 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5c0544c-45e8-4043-8440-14726c151b78/bin/utaipan-gh47qXpMRh/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-12-14 08:57:45,158 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 08:57:45,158 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 08:57:45,159 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-14 08:57:45,159 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-14 08:57:45,159 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 08:57:45,159 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-14 08:57:45,160 INFO L138 SettingsManager]: * User list type=DISABLED [2022-12-14 08:57:45,160 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-12-14 08:57:45,160 INFO L138 SettingsManager]: * Explicit value domain=true [2022-12-14 08:57:45,160 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-12-14 08:57:45,160 INFO L138 SettingsManager]: * Octagon Domain=false [2022-12-14 08:57:45,160 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-12-14 08:57:45,161 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-12-14 08:57:45,161 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-12-14 08:57:45,161 INFO L138 SettingsManager]: * Interval Domain=false [2022-12-14 08:57:45,161 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-12-14 08:57:45,161 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-12-14 08:57:45,162 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-12-14 08:57:45,162 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 08:57:45,162 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 08:57:45,162 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 08:57:45,163 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 08:57:45,163 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 08:57:45,163 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 08:57:45,163 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 08:57:45,163 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 08:57:45,163 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 08:57:45,164 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 08:57:45,164 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-14 08:57:45,164 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 08:57:45,164 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 08:57:45,165 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-12-14 08:57:45,165 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 08:57:45,165 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 08:57:45,165 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-12-14 08:57:45,165 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 08:57:45,165 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 08:57:45,165 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-12-14 08:57:45,166 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_d5c0544c-45e8-4043-8440-14726c151b78/bin/utaipan-gh47qXpMRh/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5c0544c-45e8-4043-8440-14726c151b78/bin/utaipan-gh47qXpMRh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> eed79abab256f81f1863cfddb0c42a9b6564cf98ca16b371152af6fd281f627c [2022-12-14 08:57:45,351 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 08:57:45,372 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 08:57:45,374 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 08:57:45,376 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 08:57:45,376 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 08:57:45,377 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5c0544c-45e8-4043-8440-14726c151b78/bin/utaipan-gh47qXpMRh/../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-3com-3c59x.cil.i [2022-12-14 08:57:47,989 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 08:57:48,373 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 08:57:48,374 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5c0544c-45e8-4043-8440-14726c151b78/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-3com-3c59x.cil.i [2022-12-14 08:57:48,403 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5c0544c-45e8-4043-8440-14726c151b78/bin/utaipan-gh47qXpMRh/data/2c7e5f7c2/3a52ef21adba43238c7646c29461c1b4/FLAG70d39a196 [2022-12-14 08:57:48,413 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5c0544c-45e8-4043-8440-14726c151b78/bin/utaipan-gh47qXpMRh/data/2c7e5f7c2/3a52ef21adba43238c7646c29461c1b4 [2022-12-14 08:57:48,415 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 08:57:48,416 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 08:57:48,417 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 08:57:48,417 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 08:57:48,420 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 08:57:48,421 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 08:57:48" (1/1) ... [2022-12-14 08:57:48,421 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@28a7a93e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:57:48, skipping insertion in model container [2022-12-14 08:57:48,422 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 08:57:48" (1/1) ... [2022-12-14 08:57:48,427 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 08:57:48,575 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 08:57:49,290 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock [2022-12-14 08:57:49,305 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_bh [2022-12-14 08:57:49,315 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irq [2022-12-14 08:57:49,329 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock [2022-12-14 08:57:49,342 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock_bh [2022-12-14 08:57:49,350 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock_irq [2022-12-14 08:57:49,364 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock_irqrestore [2022-12-14 08:57:49,543 WARN L623 FunctionHandler]: Unknown extern function __phys_addr [2022-12-14 08:57:49,546 WARN L623 FunctionHandler]: Unknown extern function __phys_addr [2022-12-14 08:57:49,547 WARN L623 FunctionHandler]: Unknown extern function debug_dma_map_page [2022-12-14 08:57:49,553 WARN L623 FunctionHandler]: Unknown extern function debug_dma_unmap_page [2022-12-14 08:57:49,560 WARN L623 FunctionHandler]: Unknown extern function debug_dma_sync_single_for_cpu [2022-12-14 08:57:49,567 WARN L623 FunctionHandler]: Unknown extern function debug_dma_sync_single_for_device [2022-12-14 08:57:49,585 WARN L623 FunctionHandler]: Unknown extern function debug_dma_alloc_coherent [2022-12-14 08:57:49,591 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-12-14 08:57:49,593 WARN L623 FunctionHandler]: Unknown extern function debug_dma_free_coherent [2022-12-14 08:57:49,628 WARN L623 FunctionHandler]: Unknown extern function __netdev_alloc_skb [2022-12-14 08:57:49,633 WARN L623 FunctionHandler]: Unknown extern function __netdev_alloc_skb [2022-12-14 08:57:49,661 WARN L623 FunctionHandler]: Unknown extern function skb_tstamp_tx [2022-12-14 08:57:49,666 WARN L623 FunctionHandler]: Unknown extern function skb_clone_tx_timestamp [2022-12-14 08:57:49,715 WARN L623 FunctionHandler]: Unknown extern function netpoll_trap [2022-12-14 08:57:49,716 WARN L623 FunctionHandler]: Unknown extern function __netif_schedule [2022-12-14 08:57:49,727 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-12-14 08:57:49,728 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:57:49,745 WARN L623 FunctionHandler]: Unknown extern function __dev_kfree_skb_irq [2022-12-14 08:57:49,800 WARN L623 FunctionHandler]: Unknown extern function pci_bus_read_config_byte [2022-12-14 08:57:49,804 WARN L623 FunctionHandler]: Unknown extern function pci_bus_write_config_byte [2022-12-14 08:57:49,833 WARN L623 FunctionHandler]: Unknown extern function __pci_enable_wake [2022-12-14 08:57:49,900 WARN L623 FunctionHandler]: Unknown extern function request_threaded_irq [2022-12-14 08:57:49,974 WARN L623 FunctionHandler]: Unknown extern function iowrite16 [2022-12-14 08:57:49,979 WARN L623 FunctionHandler]: Unknown extern function ioread8 [2022-12-14 08:57:49,984 WARN L623 FunctionHandler]: Unknown extern function iowrite8 [2022-12-14 08:57:49,988 WARN L623 FunctionHandler]: Unknown extern function ioread16 [2022-12-14 08:57:49,993 WARN L623 FunctionHandler]: Unknown extern function iowrite16 [2022-12-14 08:57:49,997 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-14 08:57:50,001 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-14 08:57:50,084 WARN L623 FunctionHandler]: Unknown extern function trace_hardirqs_off [2022-12-14 08:57:50,085 WARN L623 FunctionHandler]: Unknown extern function trace_hardirqs_off [2022-12-14 08:57:50,086 WARN L623 FunctionHandler]: Unknown extern function trace_hardirqs_on [2022-12-14 08:57:50,090 WARN L623 FunctionHandler]: Unknown extern function netif_device_detach [2022-12-14 08:57:50,095 WARN L623 FunctionHandler]: Unknown extern function netif_device_attach [2022-12-14 08:57:50,100 WARN L623 FunctionHandler]: Unknown extern function ioport_map [2022-12-14 08:57:50,104 WARN L623 FunctionHandler]: Unknown extern function pci_enable_device [2022-12-14 08:57:50,104 WARN L623 FunctionHandler]: Unknown extern function pci_request_regions [2022-12-14 08:57:50,107 WARN L623 FunctionHandler]: Unknown extern function pci_iomap [2022-12-14 08:57:50,107 WARN L623 FunctionHandler]: Unknown extern function pci_iomap [2022-12-14 08:57:50,108 WARN L623 FunctionHandler]: Unknown extern function pci_iounmap [2022-12-14 08:57:50,108 WARN L623 FunctionHandler]: Unknown extern function pci_release_regions [2022-12-14 08:57:50,108 WARN L623 FunctionHandler]: Unknown extern function pci_disable_device [2022-12-14 08:57:50,111 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:57:50,113 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:57:50,114 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:57:50,116 WARN L623 FunctionHandler]: Unknown extern function pci_set_master [2022-12-14 08:57:50,117 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:57:50,117 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-12-14 08:57:50,118 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-12-14 08:57:50,119 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-12-14 08:57:50,122 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 08:57:50,124 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:57:50,125 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:57:50,126 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:57:50,126 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:57:50,127 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:57:50,127 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:57:50,128 WARN L623 FunctionHandler]: Unknown extern function pci_iomap [2022-12-14 08:57:50,129 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:57:50,131 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:57:50,133 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 08:57:50,133 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:57:50,136 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:57:50,138 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:57:50,138 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:57:50,140 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:57:50,142 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:57:50,143 WARN L623 FunctionHandler]: Unknown extern function pci_save_state [2022-12-14 08:57:50,144 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:57:50,150 WARN L623 FunctionHandler]: Unknown extern function iowrite16 [2022-12-14 08:57:50,150 WARN L623 FunctionHandler]: Unknown extern function ioread16 [2022-12-14 08:57:50,151 WARN L623 FunctionHandler]: Unknown extern function ioread16 [2022-12-14 08:57:50,151 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:57:50,151 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 08:57:50,152 WARN L623 FunctionHandler]: Unknown extern function ioread16 [2022-12-14 08:57:50,152 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:57:50,157 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:57:50,163 WARN L623 FunctionHandler]: Unknown extern function mii_check_media [2022-12-14 08:57:50,165 WARN L623 FunctionHandler]: Unknown extern function pci_set_power_state [2022-12-14 08:57:50,166 WARN L623 FunctionHandler]: Unknown extern function pci_restore_state [2022-12-14 08:57:50,167 WARN L623 FunctionHandler]: Unknown extern function pci_enable_device [2022-12-14 08:57:50,167 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:57:50,168 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:57:50,169 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:57:50,170 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:57:50,171 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:57:50,171 WARN L623 FunctionHandler]: Unknown extern function init_timer_key [2022-12-14 08:57:50,172 WARN L623 FunctionHandler]: Unknown extern function add_timer [2022-12-14 08:57:50,172 WARN L623 FunctionHandler]: Unknown extern function init_timer_key [2022-12-14 08:57:50,173 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 08:57:50,175 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 08:57:50,176 WARN L623 FunctionHandler]: Unknown extern function iowrite16 [2022-12-14 08:57:50,177 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 08:57:50,179 WARN L623 FunctionHandler]: Unknown extern function iowrite16 [2022-12-14 08:57:50,180 WARN L623 FunctionHandler]: Unknown extern function iowrite16 [2022-12-14 08:57:50,180 WARN L623 FunctionHandler]: Unknown extern function iowrite16 [2022-12-14 08:57:50,181 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-14 08:57:50,181 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-14 08:57:50,182 WARN L623 FunctionHandler]: Unknown extern function iowrite8 [2022-12-14 08:57:50,182 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-14 08:57:50,183 WARN L623 FunctionHandler]: Unknown extern function iowrite16 [2022-12-14 08:57:50,183 WARN L623 FunctionHandler]: Unknown extern function iowrite16 [2022-12-14 08:57:50,183 WARN L623 FunctionHandler]: Unknown extern function iowrite16 [2022-12-14 08:57:50,184 WARN L623 FunctionHandler]: Unknown extern function iowrite16 [2022-12-14 08:57:50,185 WARN L623 FunctionHandler]: Unknown extern function iowrite16 [2022-12-14 08:57:50,185 WARN L623 FunctionHandler]: Unknown extern function iowrite16 [2022-12-14 08:57:50,185 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-14 08:57:50,187 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:57:50,188 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 08:57:50,189 WARN L623 FunctionHandler]: Unknown extern function __netdev_alloc_skb [2022-12-14 08:57:50,191 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:57:50,191 WARN L623 FunctionHandler]: Unknown extern function consume_skb [2022-12-14 08:57:50,192 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:57:50,194 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 08:57:50,195 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 08:57:50,196 WARN L623 FunctionHandler]: Unknown extern function netif_carrier_on [2022-12-14 08:57:50,197 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 08:57:50,198 WARN L623 FunctionHandler]: Unknown extern function netif_carrier_off [2022-12-14 08:57:50,198 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 08:57:50,200 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 08:57:50,202 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 08:57:50,203 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 08:57:50,205 WARN L623 FunctionHandler]: Unknown extern function iowrite16 [2022-12-14 08:57:50,206 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 08:57:50,207 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 08:57:50,208 WARN L623 FunctionHandler]: Unknown extern function iowrite16 [2022-12-14 08:57:50,209 WARN L623 FunctionHandler]: Unknown extern function ioread16 [2022-12-14 08:57:50,209 WARN L623 FunctionHandler]: Unknown extern function ioread8 [2022-12-14 08:57:50,209 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:57:50,210 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-14 08:57:50,210 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:57:50,210 WARN L623 FunctionHandler]: Unknown extern function ioread8 [2022-12-14 08:57:50,210 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:57:50,211 WARN L623 FunctionHandler]: Unknown extern function ioread16 [2022-12-14 08:57:50,211 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:57:50,211 WARN L623 FunctionHandler]: Unknown extern function trace_hardirqs_off [2022-12-14 08:57:50,212 WARN L623 FunctionHandler]: Unknown extern function trace_hardirqs_off [2022-12-14 08:57:50,212 WARN L623 FunctionHandler]: Unknown extern function trace_hardirqs_on [2022-12-14 08:57:50,213 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 08:57:50,214 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-14 08:57:50,214 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-14 08:57:50,214 WARN L623 FunctionHandler]: Unknown extern function iowrite8 [2022-12-14 08:57:50,215 WARN L623 FunctionHandler]: Unknown extern function iowrite16 [2022-12-14 08:57:50,215 WARN L623 FunctionHandler]: Unknown extern function iowrite16 [2022-12-14 08:57:50,220 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:57:50,221 WARN L623 FunctionHandler]: Unknown extern function ioread8 [2022-12-14 08:57:50,221 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:57:50,221 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:57:50,222 WARN L623 FunctionHandler]: Unknown extern function iowrite8 [2022-12-14 08:57:50,223 WARN L623 FunctionHandler]: Unknown extern function iowrite16 [2022-12-14 08:57:50,223 WARN L623 FunctionHandler]: Unknown extern function iowrite16 [2022-12-14 08:57:50,224 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 08:57:50,224 WARN L623 FunctionHandler]: Unknown extern function ioread16 [2022-12-14 08:57:50,225 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:57:50,225 WARN L623 FunctionHandler]: Unknown extern function iowrite16 [2022-12-14 08:57:50,225 WARN L623 FunctionHandler]: Unknown extern function iowrite16 [2022-12-14 08:57:50,226 WARN L623 FunctionHandler]: Unknown extern function iowrite16 [2022-12-14 08:57:50,226 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:57:50,227 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-14 08:57:50,227 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:57:50,228 WARN L623 FunctionHandler]: Unknown extern function iowrite16 [2022-12-14 08:57:50,228 WARN L623 FunctionHandler]: Unknown extern function iowrite16 [2022-12-14 08:57:50,228 WARN L623 FunctionHandler]: Unknown extern function iowrite16 [2022-12-14 08:57:50,229 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-14 08:57:50,231 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-14 08:57:50,231 WARN L623 FunctionHandler]: Unknown extern function iowrite16 [2022-12-14 08:57:50,231 WARN L623 FunctionHandler]: Unknown extern function iowrite16 [2022-12-14 08:57:50,231 WARN L623 FunctionHandler]: Unknown extern function iowrite32_rep [2022-12-14 08:57:50,232 WARN L623 FunctionHandler]: Unknown extern function consume_skb [2022-12-14 08:57:50,232 WARN L623 FunctionHandler]: Unknown extern function ioread16 [2022-12-14 08:57:50,232 WARN L623 FunctionHandler]: Unknown extern function iowrite16 [2022-12-14 08:57:50,233 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 08:57:50,234 WARN L623 FunctionHandler]: Unknown extern function iowrite16 [2022-12-14 08:57:50,234 WARN L623 FunctionHandler]: Unknown extern function iowrite8 [2022-12-14 08:57:50,234 WARN L623 FunctionHandler]: Unknown extern function ioread8 [2022-12-14 08:57:50,236 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 08:57:50,237 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 08:57:50,238 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:57:50,243 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-14 08:57:50,243 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-14 08:57:50,243 WARN L623 FunctionHandler]: Unknown extern function iowrite16 [2022-12-14 08:57:50,245 WARN L623 FunctionHandler]: Unknown extern function ioread16 [2022-12-14 08:57:50,246 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 08:57:50,247 WARN L623 FunctionHandler]: Unknown extern function ioread8 [2022-12-14 08:57:50,247 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 08:57:50,248 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 08:57:50,250 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 08:57:50,250 WARN L623 FunctionHandler]: Unknown extern function iowrite16 [2022-12-14 08:57:50,250 WARN L623 FunctionHandler]: Unknown extern function ioread16 [2022-12-14 08:57:50,250 WARN L623 FunctionHandler]: Unknown extern function iowrite16 [2022-12-14 08:57:50,251 WARN L623 FunctionHandler]: Unknown extern function ioread16 [2022-12-14 08:57:50,252 WARN L623 FunctionHandler]: Unknown extern function iowrite16 [2022-12-14 08:57:50,252 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:57:50,253 WARN L623 FunctionHandler]: Unknown extern function iowrite16 [2022-12-14 08:57:50,253 WARN L623 FunctionHandler]: Unknown extern function iowrite16 [2022-12-14 08:57:50,253 WARN L623 FunctionHandler]: Unknown extern function ioread16 [2022-12-14 08:57:50,254 WARN L623 FunctionHandler]: Unknown extern function iowrite16 [2022-12-14 08:57:50,254 WARN L623 FunctionHandler]: Unknown extern function ioread16 [2022-12-14 08:57:50,255 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 08:57:50,257 WARN L623 FunctionHandler]: Unknown extern function ioread16 [2022-12-14 08:57:50,258 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 08:57:50,258 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 08:57:50,260 WARN L623 FunctionHandler]: Unknown extern function ioread8 [2022-12-14 08:57:50,260 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 08:57:50,261 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 08:57:50,261 WARN L623 FunctionHandler]: Unknown extern function iowrite16 [2022-12-14 08:57:50,262 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 08:57:50,262 WARN L623 FunctionHandler]: Unknown extern function iowrite16 [2022-12-14 08:57:50,263 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-14 08:57:50,275 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 08:57:50,276 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 08:57:50,277 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:57:50,277 WARN L623 FunctionHandler]: Unknown extern function iowrite16 [2022-12-14 08:57:50,278 WARN L623 FunctionHandler]: Unknown extern function iowrite16 [2022-12-14 08:57:50,278 WARN L623 FunctionHandler]: Unknown extern function ioread16 [2022-12-14 08:57:50,279 WARN L623 FunctionHandler]: Unknown extern function iowrite16 [2022-12-14 08:57:50,279 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-14 08:57:50,279 WARN L623 FunctionHandler]: Unknown extern function ioread16 [2022-12-14 08:57:50,280 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 08:57:50,282 WARN L623 FunctionHandler]: Unknown extern function ioread16 [2022-12-14 08:57:50,282 WARN L623 FunctionHandler]: Unknown extern function ioread16 [2022-12-14 08:57:50,282 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 08:57:50,283 WARN L623 FunctionHandler]: Unknown extern function ioread8 [2022-12-14 08:57:50,284 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 08:57:50,285 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 08:57:50,286 WARN L623 FunctionHandler]: Unknown extern function ioread16 [2022-12-14 08:57:50,286 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-12-14 08:57:50,287 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-14 08:57:50,287 WARN L623 FunctionHandler]: Unknown extern function iowrite16 [2022-12-14 08:57:50,287 WARN L623 FunctionHandler]: Unknown extern function iowrite16 [2022-12-14 08:57:50,288 WARN L623 FunctionHandler]: Unknown extern function ioread16 [2022-12-14 08:57:50,288 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-12-14 08:57:50,289 WARN L623 FunctionHandler]: Unknown extern function ioread32_rep [2022-12-14 08:57:50,289 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-12-14 08:57:50,289 WARN L623 FunctionHandler]: Unknown extern function ioread32_rep [2022-12-14 08:57:50,289 WARN L623 FunctionHandler]: Unknown extern function iowrite16 [2022-12-14 08:57:50,290 WARN L623 FunctionHandler]: Unknown extern function eth_type_trans [2022-12-14 08:57:50,290 WARN L623 FunctionHandler]: Unknown extern function netif_rx [2022-12-14 08:57:50,290 WARN L623 FunctionHandler]: Unknown extern function ioread16 [2022-12-14 08:57:50,291 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:57:50,291 WARN L623 FunctionHandler]: Unknown extern function ioread16 [2022-12-14 08:57:50,293 WARN L623 FunctionHandler]: Unknown extern function ioread16 [2022-12-14 08:57:50,293 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 08:57:50,294 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 08:57:50,296 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 08:57:50,297 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-12-14 08:57:50,298 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-12-14 08:57:50,299 WARN L623 FunctionHandler]: Unknown extern function eth_type_trans [2022-12-14 08:57:50,299 WARN L623 FunctionHandler]: Unknown extern function netif_rx [2022-12-14 08:57:50,301 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:57:50,302 WARN L623 FunctionHandler]: Unknown extern function iowrite16 [2022-12-14 08:57:50,304 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 08:57:50,305 WARN L623 FunctionHandler]: Unknown extern function iowrite16 [2022-12-14 08:57:50,305 WARN L623 FunctionHandler]: Unknown extern function iowrite16 [2022-12-14 08:57:50,305 WARN L623 FunctionHandler]: Unknown extern function iowrite16 [2022-12-14 08:57:50,305 WARN L623 FunctionHandler]: Unknown extern function iowrite16 [2022-12-14 08:57:50,305 WARN L623 FunctionHandler]: Unknown extern function iowrite16 [2022-12-14 08:57:50,306 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-14 08:57:50,306 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-14 08:57:50,307 WARN L623 FunctionHandler]: Unknown extern function pci_save_state [2022-12-14 08:57:50,308 WARN L623 FunctionHandler]: Unknown extern function ioread8 [2022-12-14 08:57:50,309 WARN L623 FunctionHandler]: Unknown extern function ioread16 [2022-12-14 08:57:50,309 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 08:57:50,310 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 08:57:50,310 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:57:50,312 WARN L623 FunctionHandler]: Unknown extern function consume_skb [2022-12-14 08:57:50,313 WARN L623 FunctionHandler]: Unknown extern function consume_skb [2022-12-14 08:57:50,314 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-14 08:57:50,315 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:57:50,315 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-14 08:57:50,315 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:57:50,316 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:57:50,316 WARN L623 FunctionHandler]: Unknown extern function iowrite16 [2022-12-14 08:57:50,324 WARN L623 FunctionHandler]: Unknown extern function mii_nway_restart [2022-12-14 08:57:50,328 WARN L623 FunctionHandler]: Unknown extern function mii_ethtool_gset [2022-12-14 08:57:50,332 WARN L623 FunctionHandler]: Unknown extern function mii_ethtool_sset [2022-12-14 08:57:50,355 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-12-14 08:57:50,359 WARN L623 FunctionHandler]: Unknown extern function strlcpy [2022-12-14 08:57:50,360 WARN L623 FunctionHandler]: Unknown extern function strlcpy [2022-12-14 08:57:50,374 WARN L623 FunctionHandler]: Unknown extern function pci_set_power_state [2022-12-14 08:57:50,374 WARN L623 FunctionHandler]: Unknown extern function generic_mii_ioctl [2022-12-14 08:57:50,375 WARN L623 FunctionHandler]: Unknown extern function pci_set_power_state [2022-12-14 08:57:50,375 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:57:50,376 WARN L623 FunctionHandler]: Unknown extern function iowrite16 [2022-12-14 08:57:50,384 WARN L623 FunctionHandler]: Unknown extern function device_set_wakeup_enable [2022-12-14 08:57:50,385 WARN L623 FunctionHandler]: Unknown extern function iowrite16 [2022-12-14 08:57:50,385 WARN L623 FunctionHandler]: Unknown extern function iowrite16 [2022-12-14 08:57:50,386 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:57:50,387 WARN L623 FunctionHandler]: Unknown extern function pci_set_power_state [2022-12-14 08:57:50,391 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:57:50,392 WARN L623 FunctionHandler]: Unknown extern function pci_iounmap [2022-12-14 08:57:50,392 WARN L623 FunctionHandler]: Unknown extern function pci_set_power_state [2022-12-14 08:57:50,392 WARN L623 FunctionHandler]: Unknown extern function pci_restore_state [2022-12-14 08:57:50,392 WARN L623 FunctionHandler]: Unknown extern function pci_disable_device [2022-12-14 08:57:50,392 WARN L623 FunctionHandler]: Unknown extern function iowrite16 [2022-12-14 08:57:50,393 WARN L623 FunctionHandler]: Unknown extern function pci_iounmap [2022-12-14 08:57:50,393 WARN L623 FunctionHandler]: Unknown extern function pci_release_regions [2022-12-14 08:57:50,402 WARN L623 FunctionHandler]: Unknown extern function ioport_map [2022-12-14 08:57:50,403 WARN L623 FunctionHandler]: Unknown extern function iowrite16 [2022-12-14 08:57:50,403 WARN L623 FunctionHandler]: Unknown extern function __release_region [2022-12-14 08:57:50,818 WARN L623 FunctionHandler]: Unknown extern function ethtool_op_get_link [2022-12-14 08:57:50,819 WARN L623 FunctionHandler]: Unknown extern function ethtool_op_get_ts_info [2022-12-14 08:57:50,819 WARN L623 FunctionHandler]: Unknown extern function eth_change_mtu [2022-12-14 08:57:50,820 WARN L623 FunctionHandler]: Unknown extern function eth_mac_addr [2022-12-14 08:57:50,821 WARN L623 FunctionHandler]: Unknown extern function eth_validate_addr [2022-12-14 08:57:50,823 WARN L623 FunctionHandler]: Unknown extern function ldv_initialize [2022-12-14 08:57:50,825 WARN L623 FunctionHandler]: Unknown extern function ldv_switch_to_interrupt_context [2022-12-14 08:57:50,826 WARN L623 FunctionHandler]: Unknown extern function ldv_switch_to_process_context [2022-12-14 08:57:50,833 WARN L623 FunctionHandler]: Unknown extern function ldv_pre_probe [2022-12-14 08:57:50,838 WARN L623 FunctionHandler]: Unknown extern function ldv_pre_probe [2022-12-14 08:57:50,843 WARN L623 FunctionHandler]: Unknown extern function ldv_pre_register_netdev [2022-12-14 08:57:50,848 WARN L623 FunctionHandler]: Unknown extern function ldv_switch_to_interrupt_context [2022-12-14 08:57:50,848 WARN L623 FunctionHandler]: Unknown extern function ldv_switch_to_process_context [2022-12-14 08:57:50,849 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-12-14 08:57:50,850 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-12-14 08:57:50,850 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-12-14 08:57:50,850 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-12-14 08:57:50,850 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-12-14 08:57:50,850 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-12-14 08:57:50,851 WARN L623 FunctionHandler]: Unknown extern function alloc_etherdev_mqs [2022-12-14 08:57:50,851 WARN L623 FunctionHandler]: Unknown extern function register_netdev [2022-12-14 08:57:50,851 WARN L623 FunctionHandler]: Unknown extern function free_netdev [2022-12-14 08:57:50,852 WARN L623 FunctionHandler]: Unknown extern function free_irq [2022-12-14 08:57:50,852 WARN L623 FunctionHandler]: Unknown extern function mod_timer [2022-12-14 08:57:50,853 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-12-14 08:57:50,853 WARN L623 FunctionHandler]: Unknown extern function mod_timer [2022-12-14 08:57:50,854 WARN L623 FunctionHandler]: Unknown extern function mod_timer [2022-12-14 08:57:50,854 WARN L623 FunctionHandler]: Unknown extern function mod_timer [2022-12-14 08:57:50,854 WARN L623 FunctionHandler]: Unknown extern function del_timer_sync [2022-12-14 08:57:50,855 WARN L623 FunctionHandler]: Unknown extern function del_timer_sync [2022-12-14 08:57:50,855 WARN L623 FunctionHandler]: Unknown extern function free_irq [2022-12-14 08:57:50,855 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-12-14 08:57:50,855 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-12-14 08:57:50,856 WARN L623 FunctionHandler]: Unknown extern function unregister_netdev [2022-12-14 08:57:50,856 WARN L623 FunctionHandler]: Unknown extern function free_netdev [2022-12-14 08:57:50,856 WARN L623 FunctionHandler]: Unknown extern function __pci_register_driver [2022-12-14 08:57:50,857 WARN L623 FunctionHandler]: Unknown extern function unregister_netdev [2022-12-14 08:57:50,857 WARN L623 FunctionHandler]: Unknown extern function free_netdev [2022-12-14 08:57:50,857 WARN L623 FunctionHandler]: Unknown extern function pci_unregister_driver [2022-12-14 08:57:50,903 WARN L623 FunctionHandler]: Unknown extern function ldv_check_alloc_flags [2022-12-14 08:57:50,903 WARN L623 FunctionHandler]: Unknown extern function ldv_after_alloc [2022-12-14 08:57:50,911 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 08:57:51,453 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5c0544c-45e8-4043-8440-14726c151b78/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-3com-3c59x.cil.i[462950,462963] [2022-12-14 08:57:51,456 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5c0544c-45e8-4043-8440-14726c151b78/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-3com-3c59x.cil.i[463119,463132] [2022-12-14 08:57:51,457 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5c0544c-45e8-4043-8440-14726c151b78/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-3com-3c59x.cil.i[463286,463299] [2022-12-14 08:57:51,457 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5c0544c-45e8-4043-8440-14726c151b78/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-3com-3c59x.cil.i[463454,463467] [2022-12-14 08:57:51,476 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 08:57:51,504 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 08:57:51,576 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock [2022-12-14 08:57:51,577 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_bh [2022-12-14 08:57:51,577 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irq [2022-12-14 08:57:51,577 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock [2022-12-14 08:57:51,578 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock_bh [2022-12-14 08:57:51,578 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock_irq [2022-12-14 08:57:51,578 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock_irqrestore [2022-12-14 08:57:51,586 WARN L623 FunctionHandler]: Unknown extern function __phys_addr [2022-12-14 08:57:51,587 WARN L623 FunctionHandler]: Unknown extern function __phys_addr [2022-12-14 08:57:51,587 WARN L623 FunctionHandler]: Unknown extern function debug_dma_map_page [2022-12-14 08:57:51,589 WARN L623 FunctionHandler]: Unknown extern function debug_dma_unmap_page [2022-12-14 08:57:51,590 WARN L623 FunctionHandler]: Unknown extern function debug_dma_sync_single_for_cpu [2022-12-14 08:57:51,591 WARN L623 FunctionHandler]: Unknown extern function debug_dma_sync_single_for_device [2022-12-14 08:57:51,593 WARN L623 FunctionHandler]: Unknown extern function debug_dma_alloc_coherent [2022-12-14 08:57:51,594 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-12-14 08:57:51,595 WARN L623 FunctionHandler]: Unknown extern function debug_dma_free_coherent [2022-12-14 08:57:51,597 WARN L623 FunctionHandler]: Unknown extern function __netdev_alloc_skb [2022-12-14 08:57:51,597 WARN L623 FunctionHandler]: Unknown extern function __netdev_alloc_skb [2022-12-14 08:57:51,599 WARN L623 FunctionHandler]: Unknown extern function skb_tstamp_tx [2022-12-14 08:57:51,600 WARN L623 FunctionHandler]: Unknown extern function skb_clone_tx_timestamp [2022-12-14 08:57:51,601 WARN L623 FunctionHandler]: Unknown extern function netpoll_trap [2022-12-14 08:57:51,601 WARN L623 FunctionHandler]: Unknown extern function __netif_schedule [2022-12-14 08:57:51,602 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-12-14 08:57:51,603 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:57:51,604 WARN L623 FunctionHandler]: Unknown extern function __dev_kfree_skb_irq [2022-12-14 08:57:51,605 WARN L623 FunctionHandler]: Unknown extern function pci_bus_read_config_byte [2022-12-14 08:57:51,608 WARN L623 FunctionHandler]: Unknown extern function pci_bus_write_config_byte [2022-12-14 08:57:51,611 WARN L623 FunctionHandler]: Unknown extern function __pci_enable_wake [2022-12-14 08:57:51,615 WARN L623 FunctionHandler]: Unknown extern function request_threaded_irq [2022-12-14 08:57:51,621 WARN L623 FunctionHandler]: Unknown extern function iowrite16 [2022-12-14 08:57:51,621 WARN L623 FunctionHandler]: Unknown extern function ioread8 [2022-12-14 08:57:51,622 WARN L623 FunctionHandler]: Unknown extern function iowrite8 [2022-12-14 08:57:51,623 WARN L623 FunctionHandler]: Unknown extern function ioread16 [2022-12-14 08:57:51,623 WARN L623 FunctionHandler]: Unknown extern function iowrite16 [2022-12-14 08:57:51,624 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-14 08:57:51,625 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-14 08:57:51,629 WARN L623 FunctionHandler]: Unknown extern function trace_hardirqs_off [2022-12-14 08:57:51,630 WARN L623 FunctionHandler]: Unknown extern function trace_hardirqs_off [2022-12-14 08:57:51,630 WARN L623 FunctionHandler]: Unknown extern function trace_hardirqs_on [2022-12-14 08:57:51,631 WARN L623 FunctionHandler]: Unknown extern function netif_device_detach [2022-12-14 08:57:51,633 WARN L623 FunctionHandler]: Unknown extern function netif_device_attach [2022-12-14 08:57:51,633 WARN L623 FunctionHandler]: Unknown extern function ioport_map [2022-12-14 08:57:51,634 WARN L623 FunctionHandler]: Unknown extern function pci_enable_device [2022-12-14 08:57:51,634 WARN L623 FunctionHandler]: Unknown extern function pci_request_regions [2022-12-14 08:57:51,636 WARN L623 FunctionHandler]: Unknown extern function pci_iomap [2022-12-14 08:57:51,636 WARN L623 FunctionHandler]: Unknown extern function pci_iomap [2022-12-14 08:57:51,637 WARN L623 FunctionHandler]: Unknown extern function pci_iounmap [2022-12-14 08:57:51,637 WARN L623 FunctionHandler]: Unknown extern function pci_release_regions [2022-12-14 08:57:51,637 WARN L623 FunctionHandler]: Unknown extern function pci_disable_device [2022-12-14 08:57:51,640 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:57:51,645 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:57:51,645 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:57:51,647 WARN L623 FunctionHandler]: Unknown extern function pci_set_master [2022-12-14 08:57:51,647 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:57:51,648 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-12-14 08:57:51,648 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-12-14 08:57:51,649 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-12-14 08:57:51,652 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 08:57:51,654 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:57:51,654 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:57:51,655 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:57:51,655 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:57:51,656 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:57:51,656 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:57:51,657 WARN L623 FunctionHandler]: Unknown extern function pci_iomap [2022-12-14 08:57:51,657 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:57:51,658 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:57:51,660 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 08:57:51,660 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:57:51,662 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:57:51,664 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:57:51,664 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:57:51,665 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:57:51,667 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:57:51,669 WARN L623 FunctionHandler]: Unknown extern function pci_save_state [2022-12-14 08:57:51,669 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:57:51,671 WARN L623 FunctionHandler]: Unknown extern function iowrite16 [2022-12-14 08:57:51,671 WARN L623 FunctionHandler]: Unknown extern function ioread16 [2022-12-14 08:57:51,672 WARN L623 FunctionHandler]: Unknown extern function ioread16 [2022-12-14 08:57:51,672 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:57:51,672 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 08:57:51,673 WARN L623 FunctionHandler]: Unknown extern function ioread16 [2022-12-14 08:57:51,673 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:57:51,673 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:57:51,675 WARN L623 FunctionHandler]: Unknown extern function mii_check_media [2022-12-14 08:57:51,677 WARN L623 FunctionHandler]: Unknown extern function pci_set_power_state [2022-12-14 08:57:51,678 WARN L623 FunctionHandler]: Unknown extern function pci_restore_state [2022-12-14 08:57:51,678 WARN L623 FunctionHandler]: Unknown extern function pci_enable_device [2022-12-14 08:57:51,679 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:57:51,679 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:57:51,680 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:57:51,680 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:57:51,681 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:57:51,681 WARN L623 FunctionHandler]: Unknown extern function init_timer_key [2022-12-14 08:57:51,682 WARN L623 FunctionHandler]: Unknown extern function add_timer [2022-12-14 08:57:51,682 WARN L623 FunctionHandler]: Unknown extern function init_timer_key [2022-12-14 08:57:51,683 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 08:57:51,685 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 08:57:51,685 WARN L623 FunctionHandler]: Unknown extern function iowrite16 [2022-12-14 08:57:51,686 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 08:57:51,688 WARN L623 FunctionHandler]: Unknown extern function iowrite16 [2022-12-14 08:57:51,688 WARN L623 FunctionHandler]: Unknown extern function iowrite16 [2022-12-14 08:57:51,689 WARN L623 FunctionHandler]: Unknown extern function iowrite16 [2022-12-14 08:57:51,689 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-14 08:57:51,689 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-14 08:57:51,690 WARN L623 FunctionHandler]: Unknown extern function iowrite8 [2022-12-14 08:57:51,690 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-14 08:57:51,691 WARN L623 FunctionHandler]: Unknown extern function iowrite16 [2022-12-14 08:57:51,691 WARN L623 FunctionHandler]: Unknown extern function iowrite16 [2022-12-14 08:57:51,691 WARN L623 FunctionHandler]: Unknown extern function iowrite16 [2022-12-14 08:57:51,692 WARN L623 FunctionHandler]: Unknown extern function iowrite16 [2022-12-14 08:57:51,692 WARN L623 FunctionHandler]: Unknown extern function iowrite16 [2022-12-14 08:57:51,692 WARN L623 FunctionHandler]: Unknown extern function iowrite16 [2022-12-14 08:57:51,692 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-14 08:57:51,694 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:57:51,695 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 08:57:51,695 WARN L623 FunctionHandler]: Unknown extern function __netdev_alloc_skb [2022-12-14 08:57:51,696 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:57:51,697 WARN L623 FunctionHandler]: Unknown extern function consume_skb [2022-12-14 08:57:51,697 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:57:51,699 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 08:57:51,700 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 08:57:51,700 WARN L623 FunctionHandler]: Unknown extern function netif_carrier_on [2022-12-14 08:57:51,701 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 08:57:51,701 WARN L623 FunctionHandler]: Unknown extern function netif_carrier_off [2022-12-14 08:57:51,701 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 08:57:51,702 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 08:57:51,703 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 08:57:51,704 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 08:57:51,705 WARN L623 FunctionHandler]: Unknown extern function iowrite16 [2022-12-14 08:57:51,705 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 08:57:51,706 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 08:57:51,706 WARN L623 FunctionHandler]: Unknown extern function iowrite16 [2022-12-14 08:57:51,707 WARN L623 FunctionHandler]: Unknown extern function ioread16 [2022-12-14 08:57:51,707 WARN L623 FunctionHandler]: Unknown extern function ioread8 [2022-12-14 08:57:51,707 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:57:51,708 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-14 08:57:51,708 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:57:51,708 WARN L623 FunctionHandler]: Unknown extern function ioread8 [2022-12-14 08:57:51,708 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:57:51,708 WARN L623 FunctionHandler]: Unknown extern function ioread16 [2022-12-14 08:57:51,708 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:57:51,709 WARN L623 FunctionHandler]: Unknown extern function trace_hardirqs_off [2022-12-14 08:57:51,709 WARN L623 FunctionHandler]: Unknown extern function trace_hardirqs_off [2022-12-14 08:57:51,709 WARN L623 FunctionHandler]: Unknown extern function trace_hardirqs_on [2022-12-14 08:57:51,710 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 08:57:51,710 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-14 08:57:51,710 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-14 08:57:51,710 WARN L623 FunctionHandler]: Unknown extern function iowrite8 [2022-12-14 08:57:51,710 WARN L623 FunctionHandler]: Unknown extern function iowrite16 [2022-12-14 08:57:51,711 WARN L623 FunctionHandler]: Unknown extern function iowrite16 [2022-12-14 08:57:51,711 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:57:51,711 WARN L623 FunctionHandler]: Unknown extern function ioread8 [2022-12-14 08:57:51,712 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:57:51,712 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:57:51,712 WARN L623 FunctionHandler]: Unknown extern function iowrite8 [2022-12-14 08:57:51,713 WARN L623 FunctionHandler]: Unknown extern function iowrite16 [2022-12-14 08:57:51,713 WARN L623 FunctionHandler]: Unknown extern function iowrite16 [2022-12-14 08:57:51,714 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 08:57:51,714 WARN L623 FunctionHandler]: Unknown extern function ioread16 [2022-12-14 08:57:51,714 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:57:51,715 WARN L623 FunctionHandler]: Unknown extern function iowrite16 [2022-12-14 08:57:51,715 WARN L623 FunctionHandler]: Unknown extern function iowrite16 [2022-12-14 08:57:51,715 WARN L623 FunctionHandler]: Unknown extern function iowrite16 [2022-12-14 08:57:51,715 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:57:51,716 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-14 08:57:51,716 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:57:51,716 WARN L623 FunctionHandler]: Unknown extern function iowrite16 [2022-12-14 08:57:51,716 WARN L623 FunctionHandler]: Unknown extern function iowrite16 [2022-12-14 08:57:51,716 WARN L623 FunctionHandler]: Unknown extern function iowrite16 [2022-12-14 08:57:51,717 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-14 08:57:51,718 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-14 08:57:51,718 WARN L623 FunctionHandler]: Unknown extern function iowrite16 [2022-12-14 08:57:51,718 WARN L623 FunctionHandler]: Unknown extern function iowrite16 [2022-12-14 08:57:51,718 WARN L623 FunctionHandler]: Unknown extern function iowrite32_rep [2022-12-14 08:57:51,719 WARN L623 FunctionHandler]: Unknown extern function consume_skb [2022-12-14 08:57:51,719 WARN L623 FunctionHandler]: Unknown extern function ioread16 [2022-12-14 08:57:51,719 WARN L623 FunctionHandler]: Unknown extern function iowrite16 [2022-12-14 08:57:51,720 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 08:57:51,721 WARN L623 FunctionHandler]: Unknown extern function iowrite16 [2022-12-14 08:57:51,721 WARN L623 FunctionHandler]: Unknown extern function iowrite8 [2022-12-14 08:57:51,721 WARN L623 FunctionHandler]: Unknown extern function ioread8 [2022-12-14 08:57:51,723 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 08:57:51,724 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 08:57:51,724 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:57:51,727 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-14 08:57:51,727 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-14 08:57:51,728 WARN L623 FunctionHandler]: Unknown extern function iowrite16 [2022-12-14 08:57:51,729 WARN L623 FunctionHandler]: Unknown extern function ioread16 [2022-12-14 08:57:51,729 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 08:57:51,730 WARN L623 FunctionHandler]: Unknown extern function ioread8 [2022-12-14 08:57:51,730 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 08:57:51,731 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 08:57:51,731 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 08:57:51,732 WARN L623 FunctionHandler]: Unknown extern function iowrite16 [2022-12-14 08:57:51,732 WARN L623 FunctionHandler]: Unknown extern function ioread16 [2022-12-14 08:57:51,732 WARN L623 FunctionHandler]: Unknown extern function iowrite16 [2022-12-14 08:57:51,733 WARN L623 FunctionHandler]: Unknown extern function ioread16 [2022-12-14 08:57:51,733 WARN L623 FunctionHandler]: Unknown extern function iowrite16 [2022-12-14 08:57:51,733 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:57:51,733 WARN L623 FunctionHandler]: Unknown extern function iowrite16 [2022-12-14 08:57:51,734 WARN L623 FunctionHandler]: Unknown extern function iowrite16 [2022-12-14 08:57:51,734 WARN L623 FunctionHandler]: Unknown extern function ioread16 [2022-12-14 08:57:51,734 WARN L623 FunctionHandler]: Unknown extern function iowrite16 [2022-12-14 08:57:51,734 WARN L623 FunctionHandler]: Unknown extern function ioread16 [2022-12-14 08:57:51,735 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 08:57:51,736 WARN L623 FunctionHandler]: Unknown extern function ioread16 [2022-12-14 08:57:51,737 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 08:57:51,737 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 08:57:51,738 WARN L623 FunctionHandler]: Unknown extern function ioread8 [2022-12-14 08:57:51,738 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 08:57:51,739 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 08:57:51,739 WARN L623 FunctionHandler]: Unknown extern function iowrite16 [2022-12-14 08:57:51,739 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 08:57:51,740 WARN L623 FunctionHandler]: Unknown extern function iowrite16 [2022-12-14 08:57:51,740 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-14 08:57:51,741 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 08:57:51,742 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 08:57:51,742 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:57:51,742 WARN L623 FunctionHandler]: Unknown extern function iowrite16 [2022-12-14 08:57:51,743 WARN L623 FunctionHandler]: Unknown extern function iowrite16 [2022-12-14 08:57:51,743 WARN L623 FunctionHandler]: Unknown extern function ioread16 [2022-12-14 08:57:51,743 WARN L623 FunctionHandler]: Unknown extern function iowrite16 [2022-12-14 08:57:51,743 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-14 08:57:51,744 WARN L623 FunctionHandler]: Unknown extern function ioread16 [2022-12-14 08:57:51,744 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 08:57:51,746 WARN L623 FunctionHandler]: Unknown extern function ioread16 [2022-12-14 08:57:51,746 WARN L623 FunctionHandler]: Unknown extern function ioread16 [2022-12-14 08:57:51,746 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 08:57:51,747 WARN L623 FunctionHandler]: Unknown extern function ioread8 [2022-12-14 08:57:51,747 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 08:57:51,748 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 08:57:51,748 WARN L623 FunctionHandler]: Unknown extern function ioread16 [2022-12-14 08:57:51,749 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-12-14 08:57:51,749 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-14 08:57:51,749 WARN L623 FunctionHandler]: Unknown extern function iowrite16 [2022-12-14 08:57:51,749 WARN L623 FunctionHandler]: Unknown extern function iowrite16 [2022-12-14 08:57:51,750 WARN L623 FunctionHandler]: Unknown extern function ioread16 [2022-12-14 08:57:51,750 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-12-14 08:57:51,750 WARN L623 FunctionHandler]: Unknown extern function ioread32_rep [2022-12-14 08:57:51,750 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-12-14 08:57:51,751 WARN L623 FunctionHandler]: Unknown extern function ioread32_rep [2022-12-14 08:57:51,751 WARN L623 FunctionHandler]: Unknown extern function iowrite16 [2022-12-14 08:57:51,751 WARN L623 FunctionHandler]: Unknown extern function eth_type_trans [2022-12-14 08:57:51,751 WARN L623 FunctionHandler]: Unknown extern function netif_rx [2022-12-14 08:57:51,751 WARN L623 FunctionHandler]: Unknown extern function ioread16 [2022-12-14 08:57:51,751 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:57:51,752 WARN L623 FunctionHandler]: Unknown extern function ioread16 [2022-12-14 08:57:51,753 WARN L623 FunctionHandler]: Unknown extern function ioread16 [2022-12-14 08:57:51,753 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 08:57:51,754 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 08:57:51,755 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 08:57:51,756 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-12-14 08:57:51,757 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-12-14 08:57:51,757 WARN L623 FunctionHandler]: Unknown extern function eth_type_trans [2022-12-14 08:57:51,757 WARN L623 FunctionHandler]: Unknown extern function netif_rx [2022-12-14 08:57:51,758 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:57:51,759 WARN L623 FunctionHandler]: Unknown extern function iowrite16 [2022-12-14 08:57:51,769 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 08:57:51,770 WARN L623 FunctionHandler]: Unknown extern function iowrite16 [2022-12-14 08:57:51,770 WARN L623 FunctionHandler]: Unknown extern function iowrite16 [2022-12-14 08:57:51,770 WARN L623 FunctionHandler]: Unknown extern function iowrite16 [2022-12-14 08:57:51,770 WARN L623 FunctionHandler]: Unknown extern function iowrite16 [2022-12-14 08:57:51,770 WARN L623 FunctionHandler]: Unknown extern function iowrite16 [2022-12-14 08:57:51,771 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-14 08:57:51,771 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-14 08:57:51,771 WARN L623 FunctionHandler]: Unknown extern function pci_save_state [2022-12-14 08:57:51,773 WARN L623 FunctionHandler]: Unknown extern function ioread8 [2022-12-14 08:57:51,773 WARN L623 FunctionHandler]: Unknown extern function ioread16 [2022-12-14 08:57:51,773 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 08:57:51,774 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 08:57:51,775 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:57:51,775 WARN L623 FunctionHandler]: Unknown extern function consume_skb [2022-12-14 08:57:51,777 WARN L623 FunctionHandler]: Unknown extern function consume_skb [2022-12-14 08:57:51,778 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-14 08:57:51,779 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:57:51,779 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-14 08:57:51,779 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:57:51,780 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:57:51,780 WARN L623 FunctionHandler]: Unknown extern function iowrite16 [2022-12-14 08:57:51,783 WARN L623 FunctionHandler]: Unknown extern function mii_nway_restart [2022-12-14 08:57:51,783 WARN L623 FunctionHandler]: Unknown extern function mii_ethtool_gset [2022-12-14 08:57:51,784 WARN L623 FunctionHandler]: Unknown extern function mii_ethtool_sset [2022-12-14 08:57:51,785 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-12-14 08:57:51,785 WARN L623 FunctionHandler]: Unknown extern function strlcpy [2022-12-14 08:57:51,786 WARN L623 FunctionHandler]: Unknown extern function strlcpy [2022-12-14 08:57:51,789 WARN L623 FunctionHandler]: Unknown extern function pci_set_power_state [2022-12-14 08:57:51,789 WARN L623 FunctionHandler]: Unknown extern function generic_mii_ioctl [2022-12-14 08:57:51,790 WARN L623 FunctionHandler]: Unknown extern function pci_set_power_state [2022-12-14 08:57:51,790 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:57:51,791 WARN L623 FunctionHandler]: Unknown extern function iowrite16 [2022-12-14 08:57:51,794 WARN L623 FunctionHandler]: Unknown extern function device_set_wakeup_enable [2022-12-14 08:57:51,794 WARN L623 FunctionHandler]: Unknown extern function iowrite16 [2022-12-14 08:57:51,794 WARN L623 FunctionHandler]: Unknown extern function iowrite16 [2022-12-14 08:57:51,795 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:57:51,796 WARN L623 FunctionHandler]: Unknown extern function pci_set_power_state [2022-12-14 08:57:51,796 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:57:51,797 WARN L623 FunctionHandler]: Unknown extern function pci_iounmap [2022-12-14 08:57:51,797 WARN L623 FunctionHandler]: Unknown extern function pci_set_power_state [2022-12-14 08:57:51,797 WARN L623 FunctionHandler]: Unknown extern function pci_restore_state [2022-12-14 08:57:51,797 WARN L623 FunctionHandler]: Unknown extern function pci_disable_device [2022-12-14 08:57:51,797 WARN L623 FunctionHandler]: Unknown extern function iowrite16 [2022-12-14 08:57:51,797 WARN L623 FunctionHandler]: Unknown extern function pci_iounmap [2022-12-14 08:57:51,797 WARN L623 FunctionHandler]: Unknown extern function pci_release_regions [2022-12-14 08:57:51,799 WARN L623 FunctionHandler]: Unknown extern function ioport_map [2022-12-14 08:57:51,799 WARN L623 FunctionHandler]: Unknown extern function iowrite16 [2022-12-14 08:57:51,799 WARN L623 FunctionHandler]: Unknown extern function __release_region [2022-12-14 08:57:51,804 WARN L623 FunctionHandler]: Unknown extern function ethtool_op_get_link [2022-12-14 08:57:51,805 WARN L623 FunctionHandler]: Unknown extern function ethtool_op_get_ts_info [2022-12-14 08:57:51,805 WARN L623 FunctionHandler]: Unknown extern function eth_change_mtu [2022-12-14 08:57:51,805 WARN L623 FunctionHandler]: Unknown extern function eth_mac_addr [2022-12-14 08:57:51,806 WARN L623 FunctionHandler]: Unknown extern function eth_validate_addr [2022-12-14 08:57:51,807 WARN L623 FunctionHandler]: Unknown extern function ldv_initialize [2022-12-14 08:57:51,808 WARN L623 FunctionHandler]: Unknown extern function ldv_switch_to_interrupt_context [2022-12-14 08:57:51,809 WARN L623 FunctionHandler]: Unknown extern function ldv_switch_to_process_context [2022-12-14 08:57:51,813 WARN L623 FunctionHandler]: Unknown extern function ldv_pre_probe [2022-12-14 08:57:51,818 WARN L623 FunctionHandler]: Unknown extern function ldv_pre_probe [2022-12-14 08:57:51,828 WARN L623 FunctionHandler]: Unknown extern function ldv_pre_register_netdev [2022-12-14 08:57:51,832 WARN L623 FunctionHandler]: Unknown extern function ldv_switch_to_interrupt_context [2022-12-14 08:57:51,832 WARN L623 FunctionHandler]: Unknown extern function ldv_switch_to_process_context [2022-12-14 08:57:51,834 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-12-14 08:57:51,834 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-12-14 08:57:51,834 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-12-14 08:57:51,834 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-12-14 08:57:51,834 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-12-14 08:57:51,834 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-12-14 08:57:51,835 WARN L623 FunctionHandler]: Unknown extern function alloc_etherdev_mqs [2022-12-14 08:57:51,835 WARN L623 FunctionHandler]: Unknown extern function register_netdev [2022-12-14 08:57:51,835 WARN L623 FunctionHandler]: Unknown extern function free_netdev [2022-12-14 08:57:51,835 WARN L623 FunctionHandler]: Unknown extern function free_irq [2022-12-14 08:57:51,836 WARN L623 FunctionHandler]: Unknown extern function mod_timer [2022-12-14 08:57:51,836 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-12-14 08:57:51,836 WARN L623 FunctionHandler]: Unknown extern function mod_timer [2022-12-14 08:57:51,837 WARN L623 FunctionHandler]: Unknown extern function mod_timer [2022-12-14 08:57:51,837 WARN L623 FunctionHandler]: Unknown extern function mod_timer [2022-12-14 08:57:51,837 WARN L623 FunctionHandler]: Unknown extern function del_timer_sync [2022-12-14 08:57:51,837 WARN L623 FunctionHandler]: Unknown extern function del_timer_sync [2022-12-14 08:57:51,838 WARN L623 FunctionHandler]: Unknown extern function free_irq [2022-12-14 08:57:51,838 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-12-14 08:57:51,838 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-12-14 08:57:51,838 WARN L623 FunctionHandler]: Unknown extern function unregister_netdev [2022-12-14 08:57:51,838 WARN L623 FunctionHandler]: Unknown extern function free_netdev [2022-12-14 08:57:51,838 WARN L623 FunctionHandler]: Unknown extern function __pci_register_driver [2022-12-14 08:57:51,839 WARN L623 FunctionHandler]: Unknown extern function unregister_netdev [2022-12-14 08:57:51,839 WARN L623 FunctionHandler]: Unknown extern function free_netdev [2022-12-14 08:57:51,839 WARN L623 FunctionHandler]: Unknown extern function pci_unregister_driver [2022-12-14 08:57:51,841 WARN L623 FunctionHandler]: Unknown extern function ldv_check_alloc_flags [2022-12-14 08:57:51,841 WARN L623 FunctionHandler]: Unknown extern function ldv_after_alloc [2022-12-14 08:57:51,841 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 08:57:51,854 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5c0544c-45e8-4043-8440-14726c151b78/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-3com-3c59x.cil.i[462950,462963] [2022-12-14 08:57:51,855 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5c0544c-45e8-4043-8440-14726c151b78/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-3com-3c59x.cil.i[463119,463132] [2022-12-14 08:57:51,855 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5c0544c-45e8-4043-8440-14726c151b78/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-3com-3c59x.cil.i[463286,463299] [2022-12-14 08:57:51,855 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5c0544c-45e8-4043-8440-14726c151b78/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-3com-3c59x.cil.i[463454,463467] [2022-12-14 08:57:51,861 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 08:57:52,046 INFO L208 MainTranslator]: Completed translation [2022-12-14 08:57:52,046 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:57:52 WrapperNode [2022-12-14 08:57:52,046 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 08:57:52,047 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 08:57:52,047 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 08:57:52,047 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 08:57:52,055 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:57:52" (1/1) ... [2022-12-14 08:57:52,141 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:57:52" (1/1) ... [2022-12-14 08:57:52,349 INFO L138 Inliner]: procedures = 566, calls = 4397, calls flagged for inlining = 270, calls inlined = 248, statements flattened = 9112 [2022-12-14 08:57:52,349 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 08:57:52,350 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 08:57:52,350 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 08:57:52,350 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 08:57:52,358 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:57:52" (1/1) ... [2022-12-14 08:57:52,358 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:57:52" (1/1) ... [2022-12-14 08:57:52,389 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:57:52" (1/1) ... [2022-12-14 08:57:52,389 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:57:52" (1/1) ... [2022-12-14 08:57:52,481 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:57:52" (1/1) ... [2022-12-14 08:57:52,519 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:57:52" (1/1) ... [2022-12-14 08:57:52,565 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:57:52" (1/1) ... [2022-12-14 08:57:52,581 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:57:52" (1/1) ... [2022-12-14 08:57:52,662 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 08:57:52,663 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 08:57:52,663 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 08:57:52,663 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 08:57:52,664 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:57:52" (1/1) ... [2022-12-14 08:57:52,671 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 08:57:52,680 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5c0544c-45e8-4043-8440-14726c151b78/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 08:57:52,696 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5c0544c-45e8-4043-8440-14726c151b78/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-14 08:57:52,698 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5c0544c-45e8-4043-8440-14726c151b78/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-14 08:57:52,731 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2022-12-14 08:57:52,731 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2022-12-14 08:57:52,731 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-12-14 08:57:52,732 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-12-14 08:57:52,732 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb [2022-12-14 08:57:52,732 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb [2022-12-14 08:57:52,732 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_present [2022-12-14 08:57:52,732 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_present [2022-12-14 08:57:52,732 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_nway_reset [2022-12-14 08:57:52,732 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_nway_reset [2022-12-14 08:57:52,732 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2022-12-14 08:57:52,732 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2022-12-14 08:57:52,732 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_87 [2022-12-14 08:57:52,732 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_87 [2022-12-14 08:57:52,732 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-12-14 08:57:52,732 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-12-14 08:57:52,732 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2022-12-14 08:57:52,732 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2022-12-14 08:57:52,733 INFO L130 BoogieDeclarations]: Found specification of procedure set_8021q_mode [2022-12-14 08:57:52,733 INFO L138 BoogieDeclarations]: Found implementation of procedure set_8021q_mode [2022-12-14 08:57:52,733 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irq_82 [2022-12-14 08:57:52,733 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irq_82 [2022-12-14 08:57:52,733 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_remove_one [2022-12-14 08:57:52,733 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_remove_one [2022-12-14 08:57:52,733 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-12-14 08:57:52,733 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-12-14 08:57:52,733 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_irq_restore [2022-12-14 08:57:52,733 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_irq_restore [2022-12-14 08:57:52,733 INFO L130 BoogieDeclarations]: Found specification of procedure issue_and_wait [2022-12-14 08:57:52,733 INFO L138 BoogieDeclarations]: Found implementation of procedure issue_and_wait [2022-12-14 08:57:52,733 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-12-14 08:57:52,733 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-12-14 08:57:52,734 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite16 [2022-12-14 08:57:52,734 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite16 [2022-12-14 08:57:52,734 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite8 [2022-12-14 08:57:52,734 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite8 [2022-12-14 08:57:52,734 INFO L130 BoogieDeclarations]: Found specification of procedure window_write32 [2022-12-14 08:57:52,734 INFO L138 BoogieDeclarations]: Found implementation of procedure window_write32 [2022-12-14 08:57:52,734 INFO L130 BoogieDeclarations]: Found specification of procedure ioread32 [2022-12-14 08:57:52,734 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread32 [2022-12-14 08:57:52,734 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_65 [2022-12-14 08:57:52,734 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_65 [2022-12-14 08:57:52,734 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2022-12-14 08:57:52,734 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2022-12-14 08:57:52,734 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-12-14 08:57:52,734 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-12-14 08:57:52,735 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_window_lock_of_vortex_private [2022-12-14 08:57:52,735 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_window_lock_of_vortex_private [2022-12-14 08:57:52,735 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_lock_of_vortex_private [2022-12-14 08:57:52,735 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_lock_of_vortex_private [2022-12-14 08:57:52,735 INFO L130 BoogieDeclarations]: Found specification of procedure window_set [2022-12-14 08:57:52,735 INFO L138 BoogieDeclarations]: Found implementation of procedure window_set [2022-12-14 08:57:52,735 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2022-12-14 08:57:52,735 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2022-12-14 08:57:52,735 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-12-14 08:57:52,735 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-12-14 08:57:52,736 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2022-12-14 08:57:52,736 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2022-12-14 08:57:52,736 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite32 [2022-12-14 08:57:52,736 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite32 [2022-12-14 08:57:52,736 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2022-12-14 08:57:52,736 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2022-12-14 08:57:52,736 INFO L130 BoogieDeclarations]: Found specification of procedure netif_rx [2022-12-14 08:57:52,736 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_rx [2022-12-14 08:57:52,736 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2022-12-14 08:57:52,736 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2022-12-14 08:57:52,736 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-12-14 08:57:52,736 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-12-14 08:57:52,736 INFO L130 BoogieDeclarations]: Found specification of procedure arch_irqs_disabled_flags [2022-12-14 08:57:52,736 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_irqs_disabled_flags [2022-12-14 08:57:52,737 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-12-14 08:57:52,737 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-12-14 08:57:52,737 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2022-12-14 08:57:52,737 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2022-12-14 08:57:52,737 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-14 08:57:52,737 INFO L130 BoogieDeclarations]: Found specification of procedure skb_tx_timestamp [2022-12-14 08:57:52,737 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_tx_timestamp [2022-12-14 08:57:52,737 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_sync [2022-12-14 08:57:52,737 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_sync [2022-12-14 08:57:52,737 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-12-14 08:57:52,737 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-12-14 08:57:52,737 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-12-14 08:57:52,737 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-12-14 08:57:52,737 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-12-14 08:57:52,738 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_tx_timeout [2022-12-14 08:57:52,738 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_tx_timeout [2022-12-14 08:57:52,738 INFO L130 BoogieDeclarations]: Found specification of procedure pci_save_state [2022-12-14 08:57:52,738 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_save_state [2022-12-14 08:57:52,738 INFO L130 BoogieDeclarations]: Found specification of procedure ioport_map [2022-12-14 08:57:52,738 INFO L138 BoogieDeclarations]: Found implementation of procedure ioport_map [2022-12-14 08:57:52,738 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-12-14 08:57:52,738 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-12-14 08:57:52,738 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdev [2022-12-14 08:57:52,738 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdev [2022-12-14 08:57:52,738 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-12-14 08:57:52,738 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-12-14 08:57:52,738 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-12-14 08:57:52,738 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-12-14 08:57:52,739 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-12-14 08:57:52,739 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-14 08:57:52,739 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_interrupt [2022-12-14 08:57:52,739 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_interrupt [2022-12-14 08:57:52,739 INFO L130 BoogieDeclarations]: Found specification of procedure set_rx_mode [2022-12-14 08:57:52,739 INFO L138 BoogieDeclarations]: Found implementation of procedure set_rx_mode [2022-12-14 08:57:52,739 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2022-12-14 08:57:52,739 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2022-12-14 08:57:52,739 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-12-14 08:57:52,739 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-12-14 08:57:52,739 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2022-12-14 08:57:52,739 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2022-12-14 08:57:52,739 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2022-12-14 08:57:52,739 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2022-12-14 08:57:52,740 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2022-12-14 08:57:52,740 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2022-12-14 08:57:52,740 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_set_duplex [2022-12-14 08:57:52,740 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_set_duplex [2022-12-14 08:57:52,740 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iomap [2022-12-14 08:57:52,740 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iomap [2022-12-14 08:57:52,740 INFO L130 BoogieDeclarations]: Found specification of procedure __netdev_alloc_skb [2022-12-14 08:57:52,740 INFO L138 BoogieDeclarations]: Found implementation of procedure __netdev_alloc_skb [2022-12-14 08:57:52,740 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2022-12-14 08:57:52,740 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2022-12-14 08:57:52,740 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_error [2022-12-14 08:57:52,740 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_error [2022-12-14 08:57:52,740 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2022-12-14 08:57:52,740 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2022-12-14 08:57:52,741 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_close [2022-12-14 08:57:52,741 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_close [2022-12-14 08:57:52,741 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2022-12-14 08:57:52,741 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2022-12-14 08:57:52,741 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-12-14 08:57:52,741 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2022-12-14 08:57:52,741 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2022-12-14 08:57:52,741 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_irq_save [2022-12-14 08:57:52,741 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_irq_save [2022-12-14 08:57:52,741 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2022-12-14 08:57:52,741 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2022-12-14 08:57:52,741 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_2 [2022-12-14 08:57:52,741 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_2 [2022-12-14 08:57:52,741 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_4 [2022-12-14 08:57:52,741 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_4 [2022-12-14 08:57:52,742 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer [2022-12-14 08:57:52,742 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer [2022-12-14 08:57:52,742 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 08:57:52,742 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-12-14 08:57:52,742 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-12-14 08:57:52,742 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-12-14 08:57:52,742 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-12-14 08:57:52,742 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-12-14 08:57:52,742 INFO L130 BoogieDeclarations]: Found specification of procedure ioread16 [2022-12-14 08:57:52,742 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread16 [2022-12-14 08:57:52,742 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-12-14 08:57:52,742 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-12-14 08:57:52,742 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2022-12-14 08:57:52,742 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2022-12-14 08:57:52,743 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2022-12-14 08:57:52,743 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2022-12-14 08:57:52,743 INFO L130 BoogieDeclarations]: Found specification of procedure acpi_set_WOL [2022-12-14 08:57:52,743 INFO L138 BoogieDeclarations]: Found implementation of procedure acpi_set_WOL [2022-12-14 08:57:52,743 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2022-12-14 08:57:52,743 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2022-12-14 08:57:52,743 INFO L130 BoogieDeclarations]: Found specification of procedure window_write16 [2022-12-14 08:57:52,743 INFO L138 BoogieDeclarations]: Found implementation of procedure window_write16 [2022-12-14 08:57:52,743 INFO L130 BoogieDeclarations]: Found specification of procedure ioread8 [2022-12-14 08:57:52,743 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread8 [2022-12-14 08:57:52,743 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2022-12-14 08:57:52,743 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2022-12-14 08:57:52,743 INFO L130 BoogieDeclarations]: Found specification of procedure window_read8 [2022-12-14 08:57:52,743 INFO L138 BoogieDeclarations]: Found implementation of procedure window_read8 [2022-12-14 08:57:52,743 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_vortex_cleanup_16_2 [2022-12-14 08:57:52,744 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_vortex_cleanup_16_2 [2022-12-14 08:57:52,744 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2022-12-14 08:57:52,744 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2022-12-14 08:57:52,744 INFO L130 BoogieDeclarations]: Found specification of procedure update_stats [2022-12-14 08:57:52,744 INFO L138 BoogieDeclarations]: Found implementation of procedure update_stats [2022-12-14 08:57:52,744 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-12-14 08:57:52,744 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-12-14 08:57:52,744 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2022-12-14 08:57:52,744 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2022-12-14 08:57:52,744 INFO L130 BoogieDeclarations]: Found specification of procedure poll_vortex [2022-12-14 08:57:52,744 INFO L138 BoogieDeclarations]: Found implementation of procedure poll_vortex [2022-12-14 08:57:52,744 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2022-12-14 08:57:52,744 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2022-12-14 08:57:52,744 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_window_lock_of_vortex_private [2022-12-14 08:57:52,745 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_window_lock_of_vortex_private [2022-12-14 08:57:52,745 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_check_media [2022-12-14 08:57:52,745 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_check_media [2022-12-14 08:57:52,745 INFO L130 BoogieDeclarations]: Found specification of procedure dev_name [2022-12-14 08:57:52,745 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_name [2022-12-14 08:57:52,745 INFO L130 BoogieDeclarations]: Found specification of procedure boomerang_rx [2022-12-14 08:57:52,745 INFO L138 BoogieDeclarations]: Found implementation of procedure boomerang_rx [2022-12-14 08:57:52,745 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_save_flags [2022-12-14 08:57:52,745 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_save_flags [2022-12-14 08:57:52,745 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_open [2022-12-14 08:57:52,745 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_open [2022-12-14 08:57:52,745 INFO L130 BoogieDeclarations]: Found specification of procedure dump_tx_ring [2022-12-14 08:57:52,745 INFO L138 BoogieDeclarations]: Found implementation of procedure dump_tx_ring [2022-12-14 08:57:52,746 INFO L130 BoogieDeclarations]: Found specification of procedure mdio_read [2022-12-14 08:57:52,746 INFO L138 BoogieDeclarations]: Found implementation of procedure mdio_read [2022-12-14 08:57:52,746 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 08:57:52,746 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 08:57:52,746 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_probe1 [2022-12-14 08:57:52,746 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_probe1 [2022-12-14 08:57:52,746 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-12-14 08:57:52,746 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-12-14 08:57:52,746 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-12-14 08:57:52,746 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-12-14 08:57:52,746 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-12-14 08:57:52,746 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-12-14 08:57:52,746 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2022-12-14 08:57:52,746 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2022-12-14 08:57:52,746 INFO L130 BoogieDeclarations]: Found specification of procedure trace_hardirqs_on [2022-12-14 08:57:52,747 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_hardirqs_on [2022-12-14 08:57:52,747 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2022-12-14 08:57:52,747 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2022-12-14 08:57:52,747 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2022-12-14 08:57:52,747 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2022-12-14 08:57:52,747 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_post_probe [2022-12-14 08:57:52,747 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_post_probe [2022-12-14 08:57:52,747 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2022-12-14 08:57:52,747 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2022-12-14 08:57:52,747 INFO L130 BoogieDeclarations]: Found specification of procedure netif_start_queue [2022-12-14 08:57:52,747 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_start_queue [2022-12-14 08:57:52,747 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-14 08:57:52,747 INFO L130 BoogieDeclarations]: Found specification of procedure trace_hardirqs_off [2022-12-14 08:57:52,747 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_hardirqs_off [2022-12-14 08:57:52,748 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2022-12-14 08:57:52,748 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2022-12-14 08:57:52,748 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-12-14 08:57:52,748 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_suspend [2022-12-14 08:57:52,748 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_suspend [2022-12-14 08:57:52,748 INFO L130 BoogieDeclarations]: Found specification of procedure boomerang_interrupt [2022-12-14 08:57:52,748 INFO L138 BoogieDeclarations]: Found implementation of procedure boomerang_interrupt [2022-12-14 08:57:52,748 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_irq_81 [2022-12-14 08:57:52,748 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_irq_81 [2022-12-14 08:57:52,748 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-12-14 08:57:52,748 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2022-12-14 08:57:52,748 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2022-12-14 08:57:52,748 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pre_probe [2022-12-14 08:57:52,748 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pre_probe [2022-12-14 08:57:52,748 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-12-14 08:57:52,749 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-12-14 08:57:52,749 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-12-14 08:57:52,749 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-12-14 08:57:52,749 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq [2022-12-14 08:57:52,749 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq [2022-12-14 08:57:52,749 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_bh_108 [2022-12-14 08:57:52,749 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_bh_108 [2022-12-14 08:57:52,749 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_irq [2022-12-14 08:57:52,749 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_irq [2022-12-14 08:57:52,749 INFO L130 BoogieDeclarations]: Found specification of procedure mdio_sync [2022-12-14 08:57:52,749 INFO L138 BoogieDeclarations]: Found implementation of procedure mdio_sync [2022-12-14 08:57:52,749 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_89 [2022-12-14 08:57:52,749 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_89 [2022-12-14 08:57:52,749 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_88 [2022-12-14 08:57:52,749 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_88 [2022-12-14 08:57:52,750 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_resume [2022-12-14 08:57:52,750 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_resume [2022-12-14 08:57:52,750 INFO L130 BoogieDeclarations]: Found specification of procedure pci_restore_state [2022-12-14 08:57:52,750 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_restore_state [2022-12-14 08:57:52,750 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2022-12-14 08:57:52,750 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2022-12-14 08:57:52,750 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_rx [2022-12-14 08:57:52,750 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_rx [2022-12-14 08:57:52,750 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2022-12-14 08:57:52,750 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2022-12-14 08:57:52,750 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-12-14 08:57:52,750 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-12-14 08:57:52,750 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2022-12-14 08:57:52,750 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2022-12-14 08:57:52,750 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-12-14 08:57:52,750 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-12-14 08:57:52,751 INFO L130 BoogieDeclarations]: Found specification of procedure mdio_delay [2022-12-14 08:57:52,751 INFO L138 BoogieDeclarations]: Found implementation of procedure mdio_delay [2022-12-14 08:57:52,751 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-14 08:57:52,751 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_down [2022-12-14 08:57:52,751 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_down [2022-12-14 08:57:52,751 INFO L130 BoogieDeclarations]: Found specification of procedure eth_type_trans [2022-12-14 08:57:52,751 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_type_trans [2022-12-14 08:57:52,751 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2022-12-14 08:57:52,751 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2022-12-14 08:57:52,751 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-12-14 08:57:52,751 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-12-14 08:57:52,751 INFO L130 BoogieDeclarations]: Found specification of procedure window_write8 [2022-12-14 08:57:52,751 INFO L138 BoogieDeclarations]: Found implementation of procedure window_write8 [2022-12-14 08:57:52,751 INFO L130 BoogieDeclarations]: Found specification of procedure window_read32 [2022-12-14 08:57:52,751 INFO L138 BoogieDeclarations]: Found implementation of procedure window_read32 [2022-12-14 08:57:52,752 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~$Pointer$~TO~int [2022-12-14 08:57:52,752 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~$Pointer$~TO~int [2022-12-14 08:57:52,752 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_bh_109 [2022-12-14 08:57:52,752 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_bh_109 [2022-12-14 08:57:52,752 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_94 [2022-12-14 08:57:52,752 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_94 [2022-12-14 08:57:52,752 INFO L130 BoogieDeclarations]: Found specification of procedure ioread32_rep [2022-12-14 08:57:52,752 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread32_rep [2022-12-14 08:57:52,752 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_90 [2022-12-14 08:57:52,752 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_90 [2022-12-14 08:57:52,752 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2022-12-14 08:57:52,752 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2022-12-14 08:57:52,752 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_up [2022-12-14 08:57:52,752 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_up [2022-12-14 08:57:52,752 INFO L130 BoogieDeclarations]: Found specification of procedure window_read16 [2022-12-14 08:57:52,752 INFO L138 BoogieDeclarations]: Found implementation of procedure window_read16 [2022-12-14 08:57:52,753 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-12-14 08:57:52,753 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-12-14 08:57:52,753 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer_key [2022-12-14 08:57:52,753 INFO L138 BoogieDeclarations]: Found implementation of procedure init_timer_key [2022-12-14 08:57:52,753 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iounmap [2022-12-14 08:57:52,753 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iounmap [2022-12-14 08:57:52,753 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2022-12-14 08:57:52,753 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2022-12-14 08:57:52,753 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_lock_of_vortex_private [2022-12-14 08:57:52,753 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_lock_of_vortex_private [2022-12-14 08:57:52,753 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-12-14 08:57:52,753 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-12-14 08:57:52,753 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-14 08:57:52,753 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-12-14 08:57:52,753 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-12-14 08:57:52,753 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdev [2022-12-14 08:57:52,754 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdev [2022-12-14 08:57:53,483 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 08:57:53,486 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 08:57:54,674 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-12-14 08:57:59,180 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2022-12-14 08:57:59,289 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 08:58:01,528 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 08:58:01,528 INFO L300 CfgBuilder]: Removed 6 assume(true) statements. [2022-12-14 08:58:01,532 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 08:58:01 BoogieIcfgContainer [2022-12-14 08:58:01,532 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 08:58:01,534 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-14 08:58:01,534 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-14 08:58:01,537 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-14 08:58:01,537 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.12 08:57:48" (1/3) ... [2022-12-14 08:58:01,537 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@368472c1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 08:58:01, skipping insertion in model container [2022-12-14 08:58:01,537 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:57:52" (2/3) ... [2022-12-14 08:58:01,537 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@368472c1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 08:58:01, skipping insertion in model container [2022-12-14 08:58:01,537 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 08:58:01" (3/3) ... [2022-12-14 08:58:01,538 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-3com-3c59x.cil.i [2022-12-14 08:58:01,553 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-14 08:58:01,554 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2022-12-14 08:58:01,625 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-14 08:58:01,631 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;@372b707a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-14 08:58:01,631 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2022-12-14 08:58:01,639 INFO L276 IsEmpty]: Start isEmpty. Operand has 2285 states, 1330 states have (on average 1.3353383458646617) internal successors, (1776), 1401 states have internal predecessors, (1776), 801 states have call successors, (801), 152 states have call predecessors, (801), 151 states have return successors, (792), 777 states have call predecessors, (792), 792 states have call successors, (792) [2022-12-14 08:58:01,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2022-12-14 08:58:01,656 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 08:58:01,657 INFO L195 NwaCegarLoop]: trace histogram [18, 17, 17, 17, 17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 08:58:01,657 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)] === [2022-12-14 08:58:01,661 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 08:58:01,661 INFO L85 PathProgramCache]: Analyzing trace with hash 1924687696, now seen corresponding path program 1 times [2022-12-14 08:58:01,668 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 08:58:01,668 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [540968186] [2022-12-14 08:58:01,669 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 08:58:01,669 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 08:58:02,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 08:58:02,456 INFO L134 CoverageAnalysis]: Checked inductivity of 1122 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1122 trivial. 0 not checked. [2022-12-14 08:58:02,456 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 08:58:02,456 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [540968186] [2022-12-14 08:58:02,457 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [540968186] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 08:58:02,457 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 08:58:02,457 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 08:58:02,459 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1844799811] [2022-12-14 08:58:02,459 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 08:58:02,463 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 08:58:02,464 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 08:58:02,490 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 08:58:02,491 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 08:58:02,499 INFO L87 Difference]: Start difference. First operand has 2285 states, 1330 states have (on average 1.3353383458646617) internal successors, (1776), 1401 states have internal predecessors, (1776), 801 states have call successors, (801), 152 states have call predecessors, (801), 151 states have return successors, (792), 777 states have call predecessors, (792), 792 states have call successors, (792) Second operand has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 3 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) [2022-12-14 08:58:05,265 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 08:58:07,622 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.28s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 08:58:09,948 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 08:58:09,949 INFO L93 Difference]: Finished difference Result 6537 states and 10026 transitions. [2022-12-14 08:58:09,951 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 08:58:09,952 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 3 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) Word has length 192 [2022-12-14 08:58:09,953 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 08:58:09,993 INFO L225 Difference]: With dead ends: 6537 [2022-12-14 08:58:09,993 INFO L226 Difference]: Without dead ends: 4274 [2022-12-14 08:58:10,015 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 08:58:10,018 INFO L413 NwaCegarLoop]: 3608 mSDtfsCounter, 2978 mSDsluCounter, 2858 mSDsCounter, 0 mSdLazyCounter, 936 mSolverCounterSat, 7 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2980 SdHoareTripleChecker+Valid, 6466 SdHoareTripleChecker+Invalid, 944 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 936 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.1s IncrementalHoareTripleChecker+Time [2022-12-14 08:58:10,019 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2980 Valid, 6466 Invalid, 944 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 936 Invalid, 1 Unknown, 0 Unchecked, 7.1s Time] [2022-12-14 08:58:10,041 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4274 states. [2022-12-14 08:58:10,237 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4274 to 4269. [2022-12-14 08:58:10,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4269 states, 2504 states have (on average 1.3318690095846646) internal successors, (3335), 2641 states have internal predecessors, (3335), 1468 states have call successors, (1468), 295 states have call predecessors, (1468), 294 states have return successors, (1466), 1434 states have call predecessors, (1466), 1464 states have call successors, (1466) [2022-12-14 08:58:10,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4269 states to 4269 states and 6269 transitions. [2022-12-14 08:58:10,268 INFO L78 Accepts]: Start accepts. Automaton has 4269 states and 6269 transitions. Word has length 192 [2022-12-14 08:58:10,269 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 08:58:10,269 INFO L495 AbstractCegarLoop]: Abstraction has 4269 states and 6269 transitions. [2022-12-14 08:58:10,269 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 3 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) [2022-12-14 08:58:10,269 INFO L276 IsEmpty]: Start isEmpty. Operand 4269 states and 6269 transitions. [2022-12-14 08:58:10,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2022-12-14 08:58:10,276 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 08:58:10,276 INFO L195 NwaCegarLoop]: trace histogram [18, 17, 17, 17, 17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 08:58:10,276 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-14 08:58:10,276 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)] === [2022-12-14 08:58:10,276 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 08:58:10,277 INFO L85 PathProgramCache]: Analyzing trace with hash 121895060, now seen corresponding path program 1 times [2022-12-14 08:58:10,277 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 08:58:10,277 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [946574782] [2022-12-14 08:58:10,277 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 08:58:10,277 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 08:58:10,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 08:58:10,953 INFO L134 CoverageAnalysis]: Checked inductivity of 1122 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1122 trivial. 0 not checked. [2022-12-14 08:58:10,953 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 08:58:10,953 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [946574782] [2022-12-14 08:58:10,953 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [946574782] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 08:58:10,954 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 08:58:10,954 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 08:58:10,954 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1918329242] [2022-12-14 08:58:10,954 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 08:58:10,955 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 08:58:10,956 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 08:58:10,956 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 08:58:10,956 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 08:58:10,957 INFO L87 Difference]: Start difference. First operand 4269 states and 6269 transitions. Second operand has 3 states, 3 states have (on average 14.0) internal successors, (42), 3 states have internal predecessors, (42), 3 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) [2022-12-14 08:58:13,546 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 08:58:16,915 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 08:58:16,915 INFO L93 Difference]: Finished difference Result 12329 states and 18179 transitions. [2022-12-14 08:58:16,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 08:58:16,916 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.0) internal successors, (42), 3 states have internal predecessors, (42), 3 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) Word has length 200 [2022-12-14 08:58:16,917 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 08:58:16,983 INFO L225 Difference]: With dead ends: 12329 [2022-12-14 08:58:16,983 INFO L226 Difference]: Without dead ends: 8095 [2022-12-14 08:58:16,999 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 08:58:17,000 INFO L413 NwaCegarLoop]: 3635 mSDtfsCounter, 2942 mSDsluCounter, 2833 mSDsCounter, 0 mSdLazyCounter, 920 mSolverCounterSat, 3 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2944 SdHoareTripleChecker+Valid, 6468 SdHoareTripleChecker+Invalid, 924 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 920 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.6s IncrementalHoareTripleChecker+Time [2022-12-14 08:58:17,001 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2944 Valid, 6468 Invalid, 924 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 920 Invalid, 1 Unknown, 0 Unchecked, 5.6s Time] [2022-12-14 08:58:17,009 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8095 states. [2022-12-14 08:58:17,249 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8095 to 8063. [2022-12-14 08:58:17,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8063 states, 4737 states have (on average 1.331222292590247) internal successors, (6306), 4995 states have internal predecessors, (6306), 2749 states have call successors, (2749), 579 states have call predecessors, (2749), 574 states have return successors, (2863), 2670 states have call predecessors, (2863), 2745 states have call successors, (2863) [2022-12-14 08:58:17,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8063 states to 8063 states and 11918 transitions. [2022-12-14 08:58:17,294 INFO L78 Accepts]: Start accepts. Automaton has 8063 states and 11918 transitions. Word has length 200 [2022-12-14 08:58:17,295 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 08:58:17,295 INFO L495 AbstractCegarLoop]: Abstraction has 8063 states and 11918 transitions. [2022-12-14 08:58:17,295 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.0) internal successors, (42), 3 states have internal predecessors, (42), 3 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) [2022-12-14 08:58:17,295 INFO L276 IsEmpty]: Start isEmpty. Operand 8063 states and 11918 transitions. [2022-12-14 08:58:17,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2022-12-14 08:58:17,298 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 08:58:17,298 INFO L195 NwaCegarLoop]: trace histogram [18, 17, 17, 17, 17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 08:58:17,298 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-14 08:58:17,299 INFO L420 AbstractCegarLoop]: === Iteration 3 === 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)] === [2022-12-14 08:58:17,299 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 08:58:17,299 INFO L85 PathProgramCache]: Analyzing trace with hash -529507376, now seen corresponding path program 1 times [2022-12-14 08:58:17,299 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 08:58:17,299 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [625070929] [2022-12-14 08:58:17,299 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 08:58:17,300 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 08:58:17,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 08:58:17,733 INFO L134 CoverageAnalysis]: Checked inductivity of 1122 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1122 trivial. 0 not checked. [2022-12-14 08:58:17,733 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 08:58:17,733 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [625070929] [2022-12-14 08:58:17,734 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [625070929] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 08:58:17,734 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 08:58:17,734 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 08:58:17,734 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1070262529] [2022-12-14 08:58:17,734 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 08:58:17,735 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 08:58:17,735 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 08:58:17,735 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 08:58:17,736 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 08:58:17,736 INFO L87 Difference]: Start difference. First operand 8063 states and 11918 transitions. Second operand has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 3 states have call successors, (27), 2 states have call predecessors, (27), 1 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) [2022-12-14 08:58:20,762 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 08:58:22,986 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 08:58:24,814 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 08:58:24,814 INFO L93 Difference]: Finished difference Result 19827 states and 29265 transitions. [2022-12-14 08:58:24,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 08:58:24,817 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 3 states have call successors, (27), 2 states have call predecessors, (27), 1 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) Word has length 209 [2022-12-14 08:58:24,818 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 08:58:24,910 INFO L225 Difference]: With dead ends: 19827 [2022-12-14 08:58:24,911 INFO L226 Difference]: Without dead ends: 11799 [2022-12-14 08:58:24,954 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 08:58:24,955 INFO L413 NwaCegarLoop]: 3583 mSDtfsCounter, 2904 mSDsluCounter, 2843 mSDsCounter, 0 mSdLazyCounter, 966 mSolverCounterSat, 17 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2905 SdHoareTripleChecker+Valid, 6426 SdHoareTripleChecker+Invalid, 985 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 966 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.7s IncrementalHoareTripleChecker+Time [2022-12-14 08:58:24,955 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2905 Valid, 6426 Invalid, 985 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 966 Invalid, 2 Unknown, 0 Unchecked, 6.7s Time] [2022-12-14 08:58:24,962 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11799 states. [2022-12-14 08:58:25,291 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11799 to 11764. [2022-12-14 08:58:25,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11764 states, 6917 states have (on average 1.3245626716784733) internal successors, (9162), 7295 states have internal predecessors, (9162), 3982 states have call successors, (3982), 869 states have call predecessors, (3982), 862 states have return successors, (4150), 3858 states have call predecessors, (4150), 3978 states have call successors, (4150) [2022-12-14 08:58:25,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11764 states to 11764 states and 17294 transitions. [2022-12-14 08:58:25,352 INFO L78 Accepts]: Start accepts. Automaton has 11764 states and 17294 transitions. Word has length 209 [2022-12-14 08:58:25,352 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 08:58:25,353 INFO L495 AbstractCegarLoop]: Abstraction has 11764 states and 17294 transitions. [2022-12-14 08:58:25,353 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 3 states have call successors, (27), 2 states have call predecessors, (27), 1 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) [2022-12-14 08:58:25,353 INFO L276 IsEmpty]: Start isEmpty. Operand 11764 states and 17294 transitions. [2022-12-14 08:58:25,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2022-12-14 08:58:25,355 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 08:58:25,355 INFO L195 NwaCegarLoop]: trace histogram [18, 17, 17, 17, 17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 08:58:25,356 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-12-14 08:58:25,356 INFO L420 AbstractCegarLoop]: === Iteration 4 === 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)] === [2022-12-14 08:58:25,356 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 08:58:25,356 INFO L85 PathProgramCache]: Analyzing trace with hash 1165847808, now seen corresponding path program 1 times [2022-12-14 08:58:25,356 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 08:58:25,356 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1874717935] [2022-12-14 08:58:25,356 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 08:58:25,356 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 08:58:25,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 08:58:25,736 INFO L134 CoverageAnalysis]: Checked inductivity of 1122 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1122 trivial. 0 not checked. [2022-12-14 08:58:25,737 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 08:58:25,737 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1874717935] [2022-12-14 08:58:25,737 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1874717935] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 08:58:25,737 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 08:58:25,737 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 08:58:25,737 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [319239135] [2022-12-14 08:58:25,737 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 08:58:25,738 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 08:58:25,738 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 08:58:25,739 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 08:58:25,739 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 08:58:25,739 INFO L87 Difference]: Start difference. First operand 11764 states and 17294 transitions. Second operand has 3 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 3 states have call successors, (27), 2 states have call predecessors, (27), 1 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) [2022-12-14 08:58:27,806 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.06s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 08:58:29,563 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.62s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 08:58:31,527 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.81s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 08:58:33,669 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 08:58:36,065 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 08:58:36,066 INFO L93 Difference]: Finished difference Result 34260 states and 50308 transitions. [2022-12-14 08:58:36,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 08:58:36,069 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 3 states have call successors, (27), 2 states have call predecessors, (27), 1 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) Word has length 210 [2022-12-14 08:58:36,069 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 08:58:36,153 INFO L225 Difference]: With dead ends: 34260 [2022-12-14 08:58:36,153 INFO L226 Difference]: Without dead ends: 22531 [2022-12-14 08:58:36,198 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 08:58:36,199 INFO L413 NwaCegarLoop]: 4251 mSDtfsCounter, 3073 mSDsluCounter, 2820 mSDsCounter, 0 mSdLazyCounter, 1109 mSolverCounterSat, 29 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3073 SdHoareTripleChecker+Valid, 7071 SdHoareTripleChecker+Invalid, 1139 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 1109 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.8s IncrementalHoareTripleChecker+Time [2022-12-14 08:58:36,199 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3073 Valid, 7071 Invalid, 1139 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 1109 Invalid, 1 Unknown, 0 Unchecked, 9.8s Time] [2022-12-14 08:58:36,217 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22531 states. [2022-12-14 08:58:36,917 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22531 to 22492. [2022-12-14 08:58:36,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22492 states, 13188 states have (on average 1.3158174097664543) internal successors, (17353), 13934 states have internal predecessors, (17353), 7616 states have call successors, (7616), 1698 states have call predecessors, (7616), 1685 states have return successors, (7880), 7369 states have call predecessors, (7880), 7612 states have call successors, (7880) [2022-12-14 08:58:37,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22492 states to 22492 states and 32849 transitions. [2022-12-14 08:58:37,031 INFO L78 Accepts]: Start accepts. Automaton has 22492 states and 32849 transitions. Word has length 210 [2022-12-14 08:58:37,031 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 08:58:37,032 INFO L495 AbstractCegarLoop]: Abstraction has 22492 states and 32849 transitions. [2022-12-14 08:58:37,032 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 3 states have call successors, (27), 2 states have call predecessors, (27), 1 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) [2022-12-14 08:58:37,032 INFO L276 IsEmpty]: Start isEmpty. Operand 22492 states and 32849 transitions. [2022-12-14 08:58:37,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2022-12-14 08:58:37,034 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 08:58:37,034 INFO L195 NwaCegarLoop]: trace histogram [18, 17, 17, 17, 17, 17, 17, 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] [2022-12-14 08:58:37,034 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-12-14 08:58:37,034 INFO L420 AbstractCegarLoop]: === Iteration 5 === 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)] === [2022-12-14 08:58:37,035 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 08:58:37,035 INFO L85 PathProgramCache]: Analyzing trace with hash 1029489895, now seen corresponding path program 1 times [2022-12-14 08:58:37,035 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 08:58:37,035 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [49144811] [2022-12-14 08:58:37,035 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 08:58:37,035 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 08:58:37,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 08:58:37,320 INFO L134 CoverageAnalysis]: Checked inductivity of 1125 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1125 trivial. 0 not checked. [2022-12-14 08:58:37,320 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 08:58:37,320 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [49144811] [2022-12-14 08:58:37,320 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [49144811] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 08:58:37,320 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 08:58:37,320 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 08:58:37,321 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2039716232] [2022-12-14 08:58:37,321 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 08:58:37,321 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 08:58:37,321 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 08:58:37,322 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 08:58:37,322 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 08:58:37,322 INFO L87 Difference]: Start difference. First operand 22492 states and 32849 transitions. Second operand has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 3 states have call successors, (26), 2 states have call predecessors, (26), 1 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) [2022-12-14 08:58:40,812 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 08:58:44,029 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 08:58:45,775 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 08:58:45,775 INFO L93 Difference]: Finished difference Result 55556 states and 80593 transitions. [2022-12-14 08:58:45,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 08:58:45,776 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 3 states have call successors, (26), 2 states have call predecessors, (26), 1 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) Word has length 210 [2022-12-14 08:58:45,776 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 08:58:45,883 INFO L225 Difference]: With dead ends: 55556 [2022-12-14 08:58:45,883 INFO L226 Difference]: Without dead ends: 33099 [2022-12-14 08:58:45,939 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 08:58:45,940 INFO L413 NwaCegarLoop]: 3588 mSDtfsCounter, 2773 mSDsluCounter, 2798 mSDsCounter, 0 mSdLazyCounter, 966 mSolverCounterSat, 7 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2773 SdHoareTripleChecker+Valid, 6386 SdHoareTripleChecker+Invalid, 975 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 966 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.6s IncrementalHoareTripleChecker+Time [2022-12-14 08:58:45,940 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2773 Valid, 6386 Invalid, 975 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 966 Invalid, 2 Unknown, 0 Unchecked, 7.6s Time] [2022-12-14 08:58:45,964 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33099 states. [2022-12-14 08:58:47,049 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33099 to 33048. [2022-12-14 08:58:47,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33048 states, 19300 states have (on average 1.2981865284974092) internal successors, (25055), 20364 states have internal predecessors, (25055), 11082 states have call successors, (11082), 2698 states have call predecessors, (11082), 2663 states have return successors, (11538), 10685 states have call predecessors, (11538), 11078 states have call successors, (11538) [2022-12-14 08:58:47,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33048 states to 33048 states and 47675 transitions. [2022-12-14 08:58:47,266 INFO L78 Accepts]: Start accepts. Automaton has 33048 states and 47675 transitions. Word has length 210 [2022-12-14 08:58:47,266 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 08:58:47,267 INFO L495 AbstractCegarLoop]: Abstraction has 33048 states and 47675 transitions. [2022-12-14 08:58:47,267 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 3 states have call successors, (26), 2 states have call predecessors, (26), 1 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) [2022-12-14 08:58:47,267 INFO L276 IsEmpty]: Start isEmpty. Operand 33048 states and 47675 transitions. [2022-12-14 08:58:47,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 231 [2022-12-14 08:58:47,272 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 08:58:47,273 INFO L195 NwaCegarLoop]: trace histogram [19, 17, 17, 17, 17, 17, 17, 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] [2022-12-14 08:58:47,273 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-12-14 08:58:47,273 INFO L420 AbstractCegarLoop]: === Iteration 6 === 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)] === [2022-12-14 08:58:47,273 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 08:58:47,274 INFO L85 PathProgramCache]: Analyzing trace with hash -1074203831, now seen corresponding path program 1 times [2022-12-14 08:58:47,274 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 08:58:47,274 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [52168072] [2022-12-14 08:58:47,274 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 08:58:47,274 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 08:58:47,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 08:58:47,664 INFO L134 CoverageAnalysis]: Checked inductivity of 1165 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 1158 trivial. 0 not checked. [2022-12-14 08:58:47,664 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 08:58:47,664 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [52168072] [2022-12-14 08:58:47,664 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [52168072] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 08:58:47,664 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 08:58:47,665 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 08:58:47,665 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [151056541] [2022-12-14 08:58:47,665 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 08:58:47,665 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 08:58:47,665 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 08:58:47,666 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 08:58:47,666 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 08:58:47,666 INFO L87 Difference]: Start difference. First operand 33048 states and 47675 transitions. Second operand has 3 states, 3 states have (on average 21.0) internal successors, (63), 3 states have internal predecessors, (63), 3 states have call successors, (29), 2 states have call predecessors, (29), 1 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) [2022-12-14 08:58:49,606 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.57s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 08:58:53,023 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 08:58:57,321 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 08:58:57,321 INFO L93 Difference]: Finished difference Result 87549 states and 126466 transitions. [2022-12-14 08:58:57,323 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 08:58:57,323 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 21.0) internal successors, (63), 3 states have internal predecessors, (63), 3 states have call successors, (29), 2 states have call predecessors, (29), 1 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) Word has length 230 [2022-12-14 08:58:57,323 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 08:58:57,514 INFO L225 Difference]: With dead ends: 87549 [2022-12-14 08:58:57,514 INFO L226 Difference]: Without dead ends: 54536 [2022-12-14 08:58:57,604 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 08:58:57,604 INFO L413 NwaCegarLoop]: 3984 mSDtfsCounter, 3191 mSDsluCounter, 2851 mSDsCounter, 0 mSdLazyCounter, 1044 mSolverCounterSat, 13 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3191 SdHoareTripleChecker+Valid, 6835 SdHoareTripleChecker+Invalid, 1058 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 1044 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.1s IncrementalHoareTripleChecker+Time [2022-12-14 08:58:57,604 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3191 Valid, 6835 Invalid, 1058 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 1044 Invalid, 1 Unknown, 0 Unchecked, 8.1s Time] [2022-12-14 08:58:57,651 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54536 states. [2022-12-14 08:58:59,259 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54536 to 54453. [2022-12-14 08:58:59,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 54453 states, 31846 states have (on average 1.2981222131507881) internal successors, (41340), 33664 states have internal predecessors, (41340), 18222 states have call successors, (18222), 4443 states have call predecessors, (18222), 4382 states have return successors, (19018), 17516 states have call predecessors, (19018), 18218 states have call successors, (19018) [2022-12-14 08:58:59,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54453 states to 54453 states and 78580 transitions. [2022-12-14 08:58:59,550 INFO L78 Accepts]: Start accepts. Automaton has 54453 states and 78580 transitions. Word has length 230 [2022-12-14 08:58:59,551 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 08:58:59,551 INFO L495 AbstractCegarLoop]: Abstraction has 54453 states and 78580 transitions. [2022-12-14 08:58:59,551 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 21.0) internal successors, (63), 3 states have internal predecessors, (63), 3 states have call successors, (29), 2 states have call predecessors, (29), 1 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) [2022-12-14 08:58:59,551 INFO L276 IsEmpty]: Start isEmpty. Operand 54453 states and 78580 transitions. [2022-12-14 08:58:59,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 237 [2022-12-14 08:58:59,556 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 08:58:59,556 INFO L195 NwaCegarLoop]: trace histogram [21, 17, 17, 17, 17, 17, 17, 4, 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] [2022-12-14 08:58:59,556 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-12-14 08:58:59,556 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)] === [2022-12-14 08:58:59,556 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 08:58:59,557 INFO L85 PathProgramCache]: Analyzing trace with hash 255599518, now seen corresponding path program 1 times [2022-12-14 08:58:59,557 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 08:58:59,557 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [747458275] [2022-12-14 08:58:59,557 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 08:58:59,557 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 08:58:59,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 08:59:00,177 INFO L134 CoverageAnalysis]: Checked inductivity of 1258 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1258 trivial. 0 not checked. [2022-12-14 08:59:00,177 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 08:59:00,177 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [747458275] [2022-12-14 08:59:00,177 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [747458275] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 08:59:00,177 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 08:59:00,178 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-14 08:59:00,178 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1621367308] [2022-12-14 08:59:00,178 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 08:59:00,178 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-14 08:59:00,178 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 08:59:00,179 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-14 08:59:00,179 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-14 08:59:00,179 INFO L87 Difference]: Start difference. First operand 54453 states and 78580 transitions. Second operand has 5 states, 5 states have (on average 10.8) internal successors, (54), 4 states have internal predecessors, (54), 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) [2022-12-14 08:59:02,664 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 08:59:04,614 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.56s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 08:59:06,620 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 08:59:08,915 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 08:59:13,602 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 08:59:13,602 INFO L93 Difference]: Finished difference Result 56483 states and 81199 transitions. [2022-12-14 08:59:13,603 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-14 08:59:13,603 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.8) internal successors, (54), 4 states have internal predecessors, (54), 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 236 [2022-12-14 08:59:13,604 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 08:59:13,770 INFO L225 Difference]: With dead ends: 56483 [2022-12-14 08:59:13,770 INFO L226 Difference]: Without dead ends: 56481 [2022-12-14 08:59:13,790 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 [2022-12-14 08:59:13,790 INFO L413 NwaCegarLoop]: 3083 mSDtfsCounter, 3043 mSDsluCounter, 6910 mSDsCounter, 0 mSdLazyCounter, 1535 mSolverCounterSat, 1 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3058 SdHoareTripleChecker+Valid, 9993 SdHoareTripleChecker+Invalid, 1539 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1535 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.0s IncrementalHoareTripleChecker+Time [2022-12-14 08:59:13,790 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3058 Valid, 9993 Invalid, 1539 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1535 Invalid, 3 Unknown, 0 Unchecked, 12.0s Time] [2022-12-14 08:59:13,831 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56481 states. [2022-12-14 08:59:15,715 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56481 to 56477. [2022-12-14 08:59:15,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 56477 states, 32929 states have (on average 1.2949983297397432) internal successors, (42643), 34803 states have internal predecessors, (42643), 18874 states have call successors, (18874), 4724 states have call predecessors, (18874), 4671 states have return successors, (19678), 18156 states have call predecessors, (19678), 18870 states have call successors, (19678) [2022-12-14 08:59:15,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56477 states to 56477 states and 81195 transitions. [2022-12-14 08:59:15,979 INFO L78 Accepts]: Start accepts. Automaton has 56477 states and 81195 transitions. Word has length 236 [2022-12-14 08:59:15,979 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 08:59:15,979 INFO L495 AbstractCegarLoop]: Abstraction has 56477 states and 81195 transitions. [2022-12-14 08:59:15,979 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.8) internal successors, (54), 4 states have internal predecessors, (54), 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) [2022-12-14 08:59:15,980 INFO L276 IsEmpty]: Start isEmpty. Operand 56477 states and 81195 transitions. [2022-12-14 08:59:15,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 242 [2022-12-14 08:59:15,983 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 08:59:15,983 INFO L195 NwaCegarLoop]: trace histogram [21, 17, 17, 17, 17, 17, 17, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 08:59:15,983 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-12-14 08:59:15,983 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)] === [2022-12-14 08:59:15,984 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 08:59:15,984 INFO L85 PathProgramCache]: Analyzing trace with hash 2077923632, now seen corresponding path program 1 times [2022-12-14 08:59:15,984 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 08:59:15,984 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [839240279] [2022-12-14 08:59:15,984 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 08:59:15,984 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 08:59:16,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 08:59:16,698 INFO L134 CoverageAnalysis]: Checked inductivity of 1260 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1258 trivial. 0 not checked. [2022-12-14 08:59:16,698 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 08:59:16,698 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [839240279] [2022-12-14 08:59:16,698 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [839240279] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 08:59:16,698 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 08:59:16,698 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-14 08:59:16,698 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1766317882] [2022-12-14 08:59:16,699 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 08:59:16,699 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-14 08:59:16,699 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 08:59:16,700 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-14 08:59:16,700 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-14 08:59:16,700 INFO L87 Difference]: Start difference. First operand 56477 states and 81195 transitions. Second operand has 5 states, 5 states have (on average 11.4) internal successors, (57), 4 states have internal predecessors, (57), 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) [2022-12-14 08:59:19,176 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 08:59:22,379 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 08:59:23,671 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.29s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 08:59:29,595 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 08:59:29,596 INFO L93 Difference]: Finished difference Result 56487 states and 81202 transitions. [2022-12-14 08:59:29,597 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-14 08:59:29,597 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.4) internal successors, (57), 4 states have internal predecessors, (57), 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 241 [2022-12-14 08:59:29,597 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 08:59:29,754 INFO L225 Difference]: With dead ends: 56487 [2022-12-14 08:59:29,754 INFO L226 Difference]: Without dead ends: 56485 [2022-12-14 08:59:29,773 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 [2022-12-14 08:59:29,773 INFO L413 NwaCegarLoop]: 3086 mSDtfsCounter, 3038 mSDsluCounter, 6910 mSDsCounter, 0 mSdLazyCounter, 1536 mSolverCounterSat, 1 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3052 SdHoareTripleChecker+Valid, 9996 SdHoareTripleChecker+Invalid, 1539 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1536 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.2s IncrementalHoareTripleChecker+Time [2022-12-14 08:59:29,774 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3052 Valid, 9996 Invalid, 1539 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1536 Invalid, 2 Unknown, 0 Unchecked, 11.2s Time] [2022-12-14 08:59:29,812 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56485 states. [2022-12-14 08:59:31,856 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56485 to 56481. [2022-12-14 08:59:31,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 56481 states, 32932 states have (on average 1.2949714563342645) internal successors, (42646), 34806 states have internal predecessors, (42646), 18874 states have call successors, (18874), 4725 states have call predecessors, (18874), 4672 states have return successors, (19678), 18156 states have call predecessors, (19678), 18870 states have call successors, (19678) [2022-12-14 08:59:32,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56481 states to 56481 states and 81198 transitions. [2022-12-14 08:59:32,171 INFO L78 Accepts]: Start accepts. Automaton has 56481 states and 81198 transitions. Word has length 241 [2022-12-14 08:59:32,171 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 08:59:32,171 INFO L495 AbstractCegarLoop]: Abstraction has 56481 states and 81198 transitions. [2022-12-14 08:59:32,171 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.4) internal successors, (57), 4 states have internal predecessors, (57), 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) [2022-12-14 08:59:32,171 INFO L276 IsEmpty]: Start isEmpty. Operand 56481 states and 81198 transitions. [2022-12-14 08:59:32,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 246 [2022-12-14 08:59:32,175 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 08:59:32,175 INFO L195 NwaCegarLoop]: trace histogram [21, 17, 17, 17, 17, 17, 17, 4, 4, 3, 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] [2022-12-14 08:59:32,175 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-12-14 08:59:32,175 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)] === [2022-12-14 08:59:32,175 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 08:59:32,176 INFO L85 PathProgramCache]: Analyzing trace with hash 1171139960, now seen corresponding path program 1 times [2022-12-14 08:59:32,176 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 08:59:32,176 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1590358863] [2022-12-14 08:59:32,176 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 08:59:32,176 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 08:59:32,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 08:59:32,787 INFO L134 CoverageAnalysis]: Checked inductivity of 1271 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1267 trivial. 0 not checked. [2022-12-14 08:59:32,787 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 08:59:32,787 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1590358863] [2022-12-14 08:59:32,787 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1590358863] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 08:59:32,787 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 08:59:32,787 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-14 08:59:32,787 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [692397120] [2022-12-14 08:59:32,788 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 08:59:32,788 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-14 08:59:32,788 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 08:59:32,789 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-14 08:59:32,789 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-14 08:59:32,789 INFO L87 Difference]: Start difference. First operand 56481 states and 81198 transitions. Second operand has 5 states, 5 states have (on average 10.6) internal successors, (53), 4 states have internal predecessors, (53), 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) [2022-12-14 08:59:35,230 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 08:59:37,620 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 08:59:42,295 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 08:59:42,295 INFO L93 Difference]: Finished difference Result 56491 states and 81205 transitions. [2022-12-14 08:59:42,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-14 08:59:42,296 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.6) internal successors, (53), 4 states have internal predecessors, (53), 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 245 [2022-12-14 08:59:42,296 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 08:59:42,455 INFO L225 Difference]: With dead ends: 56491 [2022-12-14 08:59:42,455 INFO L226 Difference]: Without dead ends: 56489 [2022-12-14 08:59:42,473 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 [2022-12-14 08:59:42,474 INFO L413 NwaCegarLoop]: 3086 mSDtfsCounter, 3039 mSDsluCounter, 6910 mSDsCounter, 0 mSdLazyCounter, 1533 mSolverCounterSat, 1 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3052 SdHoareTripleChecker+Valid, 9996 SdHoareTripleChecker+Invalid, 1536 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1533 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.7s IncrementalHoareTripleChecker+Time [2022-12-14 08:59:42,474 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3052 Valid, 9996 Invalid, 1536 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1533 Invalid, 2 Unknown, 0 Unchecked, 7.7s Time] [2022-12-14 08:59:42,514 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56489 states. [2022-12-14 08:59:44,536 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56489 to 56485. [2022-12-14 08:59:44,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 56485 states, 32935 states have (on average 1.2949445878245027) internal successors, (42649), 34809 states have internal predecessors, (42649), 18874 states have call successors, (18874), 4726 states have call predecessors, (18874), 4673 states have return successors, (19678), 18156 states have call predecessors, (19678), 18870 states have call successors, (19678) [2022-12-14 08:59:44,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56485 states to 56485 states and 81201 transitions. [2022-12-14 08:59:44,783 INFO L78 Accepts]: Start accepts. Automaton has 56485 states and 81201 transitions. Word has length 245 [2022-12-14 08:59:44,784 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 08:59:44,784 INFO L495 AbstractCegarLoop]: Abstraction has 56485 states and 81201 transitions. [2022-12-14 08:59:44,784 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.6) internal successors, (53), 4 states have internal predecessors, (53), 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) [2022-12-14 08:59:44,784 INFO L276 IsEmpty]: Start isEmpty. Operand 56485 states and 81201 transitions. [2022-12-14 08:59:44,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 253 [2022-12-14 08:59:44,788 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 08:59:44,788 INFO L195 NwaCegarLoop]: trace histogram [21, 17, 17, 17, 17, 17, 17, 4, 4, 4, 3, 3, 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] [2022-12-14 08:59:44,788 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-12-14 08:59:44,788 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)] === [2022-12-14 08:59:44,789 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 08:59:44,789 INFO L85 PathProgramCache]: Analyzing trace with hash -1664046825, now seen corresponding path program 1 times [2022-12-14 08:59:44,789 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 08:59:44,789 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [183155028] [2022-12-14 08:59:44,789 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 08:59:44,789 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 08:59:44,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 08:59:45,304 INFO L134 CoverageAnalysis]: Checked inductivity of 1277 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 1271 trivial. 0 not checked. [2022-12-14 08:59:45,304 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 08:59:45,304 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [183155028] [2022-12-14 08:59:45,305 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [183155028] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 08:59:45,305 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 08:59:45,305 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-14 08:59:45,305 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2069776730] [2022-12-14 08:59:45,305 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 08:59:45,306 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-14 08:59:45,306 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 08:59:45,306 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-14 08:59:45,306 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-14 08:59:45,306 INFO L87 Difference]: Start difference. First operand 56485 states and 81201 transitions. Second operand has 5 states, 5 states have (on average 11.4) internal successors, (57), 4 states have internal predecessors, (57), 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) [2022-12-14 08:59:47,657 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 08:59:50,877 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 08:59:53,191 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.32s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 08:59:58,186 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 08:59:58,187 INFO L93 Difference]: Finished difference Result 56495 states and 81208 transitions. [2022-12-14 08:59:58,187 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-14 08:59:58,187 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.4) internal successors, (57), 4 states have internal predecessors, (57), 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 252 [2022-12-14 08:59:58,187 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 08:59:58,351 INFO L225 Difference]: With dead ends: 56495 [2022-12-14 08:59:58,351 INFO L226 Difference]: Without dead ends: 56493 [2022-12-14 08:59:58,371 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 [2022-12-14 08:59:58,372 INFO L413 NwaCegarLoop]: 3086 mSDtfsCounter, 3038 mSDsluCounter, 6910 mSDsCounter, 0 mSdLazyCounter, 1536 mSolverCounterSat, 1 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3050 SdHoareTripleChecker+Valid, 9996 SdHoareTripleChecker+Invalid, 1539 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1536 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.7s IncrementalHoareTripleChecker+Time [2022-12-14 08:59:58,372 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3050 Valid, 9996 Invalid, 1539 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1536 Invalid, 2 Unknown, 0 Unchecked, 10.7s Time] [2022-12-14 08:59:58,413 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56493 states. [2022-12-14 09:00:00,568 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56493 to 56489. [2022-12-14 09:00:00,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 56489 states, 32938 states have (on average 1.29491772420912) internal successors, (42652), 34812 states have internal predecessors, (42652), 18874 states have call successors, (18874), 4727 states have call predecessors, (18874), 4674 states have return successors, (19678), 18156 states have call predecessors, (19678), 18870 states have call successors, (19678) [2022-12-14 09:00:00,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56489 states to 56489 states and 81204 transitions. [2022-12-14 09:00:00,822 INFO L78 Accepts]: Start accepts. Automaton has 56489 states and 81204 transitions. Word has length 252 [2022-12-14 09:00:00,823 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 09:00:00,823 INFO L495 AbstractCegarLoop]: Abstraction has 56489 states and 81204 transitions. [2022-12-14 09:00:00,823 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.4) internal successors, (57), 4 states have internal predecessors, (57), 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) [2022-12-14 09:00:00,823 INFO L276 IsEmpty]: Start isEmpty. Operand 56489 states and 81204 transitions. [2022-12-14 09:00:00,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 256 [2022-12-14 09:00:00,826 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 09:00:00,826 INFO L195 NwaCegarLoop]: trace histogram [21, 17, 17, 17, 17, 17, 17, 5, 4, 4, 4, 4, 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] [2022-12-14 09:00:00,826 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-12-14 09:00:00,827 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)] === [2022-12-14 09:00:00,827 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 09:00:00,827 INFO L85 PathProgramCache]: Analyzing trace with hash -2117429256, now seen corresponding path program 1 times [2022-12-14 09:00:00,827 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 09:00:00,827 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1782696767] [2022-12-14 09:00:00,827 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 09:00:00,827 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 09:00:00,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 09:00:01,308 INFO L134 CoverageAnalysis]: Checked inductivity of 1295 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 1287 trivial. 0 not checked. [2022-12-14 09:00:01,308 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 09:00:01,308 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1782696767] [2022-12-14 09:00:01,308 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1782696767] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 09:00:01,308 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 09:00:01,308 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-14 09:00:01,309 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1436057877] [2022-12-14 09:00:01,309 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 09:00:01,309 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-14 09:00:01,309 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 09:00:01,309 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-14 09:00:01,310 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-14 09:00:01,310 INFO L87 Difference]: Start difference. First operand 56489 states and 81204 transitions. Second operand has 5 states, 5 states have (on average 10.6) internal successors, (53), 4 states have internal predecessors, (53), 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) [2022-12-14 09:00:03,640 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 09:00:06,060 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 09:00:12,045 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 09:00:12,046 INFO L93 Difference]: Finished difference Result 56499 states and 81211 transitions. [2022-12-14 09:00:12,046 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-14 09:00:12,046 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.6) internal successors, (53), 4 states have internal predecessors, (53), 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 255 [2022-12-14 09:00:12,047 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 09:00:12,213 INFO L225 Difference]: With dead ends: 56499 [2022-12-14 09:00:12,213 INFO L226 Difference]: Without dead ends: 56497 [2022-12-14 09:00:12,235 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 [2022-12-14 09:00:12,235 INFO L413 NwaCegarLoop]: 3086 mSDtfsCounter, 3039 mSDsluCounter, 6910 mSDsCounter, 0 mSdLazyCounter, 1533 mSolverCounterSat, 1 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3050 SdHoareTripleChecker+Valid, 9996 SdHoareTripleChecker+Invalid, 1536 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1533 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.5s IncrementalHoareTripleChecker+Time [2022-12-14 09:00:12,235 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3050 Valid, 9996 Invalid, 1536 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1533 Invalid, 2 Unknown, 0 Unchecked, 8.5s Time] [2022-12-14 09:00:12,277 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56497 states. [2022-12-14 09:00:14,875 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56497 to 56493. [2022-12-14 09:00:14,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 56493 states, 32941 states have (on average 1.2948908654867795) internal successors, (42655), 34815 states have internal predecessors, (42655), 18874 states have call successors, (18874), 4728 states have call predecessors, (18874), 4675 states have return successors, (19678), 18156 states have call predecessors, (19678), 18870 states have call successors, (19678) [2022-12-14 09:00:15,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56493 states to 56493 states and 81207 transitions. [2022-12-14 09:00:15,121 INFO L78 Accepts]: Start accepts. Automaton has 56493 states and 81207 transitions. Word has length 255 [2022-12-14 09:00:15,121 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 09:00:15,122 INFO L495 AbstractCegarLoop]: Abstraction has 56493 states and 81207 transitions. [2022-12-14 09:00:15,122 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.6) internal successors, (53), 4 states have internal predecessors, (53), 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) [2022-12-14 09:00:15,122 INFO L276 IsEmpty]: Start isEmpty. Operand 56493 states and 81207 transitions. [2022-12-14 09:00:15,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 259 [2022-12-14 09:00:15,125 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 09:00:15,125 INFO L195 NwaCegarLoop]: trace histogram [21, 17, 17, 17, 17, 17, 17, 4, 4, 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] [2022-12-14 09:00:15,125 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-12-14 09:00:15,125 INFO L420 AbstractCegarLoop]: === Iteration 12 === 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)] === [2022-12-14 09:00:15,126 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 09:00:15,126 INFO L85 PathProgramCache]: Analyzing trace with hash -1357059975, now seen corresponding path program 1 times [2022-12-14 09:00:15,126 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 09:00:15,126 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1490156934] [2022-12-14 09:00:15,126 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 09:00:15,126 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 09:00:15,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 09:00:15,465 INFO L134 CoverageAnalysis]: Checked inductivity of 1257 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 1254 trivial. 0 not checked. [2022-12-14 09:00:15,465 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 09:00:15,465 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1490156934] [2022-12-14 09:00:15,465 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1490156934] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 09:00:15,465 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 09:00:15,465 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 09:00:15,466 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1236385189] [2022-12-14 09:00:15,466 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 09:00:15,466 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 09:00:15,466 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 09:00:15,466 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 09:00:15,467 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 09:00:15,467 INFO L87 Difference]: Start difference. First operand 56493 states and 81207 transitions. Second operand has 3 states, 3 states have (on average 23.666666666666668) internal successors, (71), 3 states have internal predecessors, (71), 3 states have call successors, (35), 2 states have call predecessors, (35), 1 states have return successors, (30), 3 states have call predecessors, (30), 3 states have call successors, (30) [2022-12-14 09:00:17,635 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.88s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 09:00:19,642 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 09:00:21,775 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 09:00:24,282 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 09:00:30,633 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 09:00:30,633 INFO L93 Difference]: Finished difference Result 136981 states and 197071 transitions. [2022-12-14 09:00:30,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 09:00:30,635 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 23.666666666666668) internal successors, (71), 3 states have internal predecessors, (71), 3 states have call successors, (35), 2 states have call predecessors, (35), 1 states have return successors, (30), 3 states have call predecessors, (30), 3 states have call successors, (30) Word has length 258 [2022-12-14 09:00:30,636 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 09:00:30,961 INFO L225 Difference]: With dead ends: 136981 [2022-12-14 09:00:30,961 INFO L226 Difference]: Without dead ends: 80627 [2022-12-14 09:00:31,109 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 09:00:31,110 INFO L413 NwaCegarLoop]: 5340 mSDtfsCounter, 2901 mSDsluCounter, 2837 mSDsCounter, 0 mSdLazyCounter, 1352 mSolverCounterSat, 15 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2902 SdHoareTripleChecker+Valid, 8177 SdHoareTripleChecker+Invalid, 1370 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 1352 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.2s IncrementalHoareTripleChecker+Time [2022-12-14 09:00:31,110 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2902 Valid, 8177 Invalid, 1370 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 1352 Invalid, 3 Unknown, 0 Unchecked, 11.2s Time] [2022-12-14 09:00:31,161 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80627 states. [2022-12-14 09:00:34,859 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80627 to 80516. [2022-12-14 09:00:34,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 80516 states, 47038 states have (on average 1.2942301968621115) internal successors, (60878), 49700 states have internal predecessors, (60878), 26814 states have call successors, (26814), 6742 states have call predecessors, (26814), 6661 states have return successors, (27988), 25775 states have call predecessors, (27988), 26810 states have call successors, (27988) [2022-12-14 09:00:35,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80516 states to 80516 states and 115680 transitions. [2022-12-14 09:00:35,307 INFO L78 Accepts]: Start accepts. Automaton has 80516 states and 115680 transitions. Word has length 258 [2022-12-14 09:00:35,307 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 09:00:35,307 INFO L495 AbstractCegarLoop]: Abstraction has 80516 states and 115680 transitions. [2022-12-14 09:00:35,307 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 23.666666666666668) internal successors, (71), 3 states have internal predecessors, (71), 3 states have call successors, (35), 2 states have call predecessors, (35), 1 states have return successors, (30), 3 states have call predecessors, (30), 3 states have call successors, (30) [2022-12-14 09:00:35,307 INFO L276 IsEmpty]: Start isEmpty. Operand 80516 states and 115680 transitions. [2022-12-14 09:00:35,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 261 [2022-12-14 09:00:35,310 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 09:00:35,310 INFO L195 NwaCegarLoop]: trace histogram [21, 17, 17, 17, 17, 17, 17, 6, 5, 5, 4, 4, 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] [2022-12-14 09:00:35,310 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-12-14 09:00:35,310 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)] === [2022-12-14 09:00:35,310 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 09:00:35,310 INFO L85 PathProgramCache]: Analyzing trace with hash -29545450, now seen corresponding path program 1 times [2022-12-14 09:00:35,310 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 09:00:35,310 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [655060205] [2022-12-14 09:00:35,310 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 09:00:35,311 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 09:00:35,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 09:00:35,774 INFO L134 CoverageAnalysis]: Checked inductivity of 1313 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 1303 trivial. 0 not checked. [2022-12-14 09:00:35,774 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 09:00:35,774 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [655060205] [2022-12-14 09:00:35,774 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [655060205] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 09:00:35,774 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 09:00:35,774 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-14 09:00:35,774 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [285692496] [2022-12-14 09:00:35,774 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 09:00:35,775 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-14 09:00:35,775 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 09:00:35,775 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-14 09:00:35,775 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-14 09:00:35,775 INFO L87 Difference]: Start difference. First operand 80516 states and 115680 transitions. Second operand has 5 states, 5 states have (on average 10.6) internal successors, (53), 4 states have internal predecessors, (53), 2 states have call successors, (33), 3 states have call predecessors, (33), 1 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2022-12-14 09:00:38,948 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 09:00:40,953 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 09:00:42,862 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.37s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 09:00:44,246 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.38s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 09:00:45,454 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.21s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 09:00:52,701 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 09:00:52,701 INFO L93 Difference]: Finished difference Result 80522 states and 115685 transitions. [2022-12-14 09:00:52,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-14 09:00:52,704 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.6) internal successors, (53), 4 states have internal predecessors, (53), 2 states have call successors, (33), 3 states have call predecessors, (33), 1 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) Word has length 260 [2022-12-14 09:00:52,704 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 09:00:52,960 INFO L225 Difference]: With dead ends: 80522 [2022-12-14 09:00:52,960 INFO L226 Difference]: Without dead ends: 80520 [2022-12-14 09:00:52,993 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 [2022-12-14 09:00:52,993 INFO L413 NwaCegarLoop]: 2876 mSDtfsCounter, 3263 mSDsluCounter, 5731 mSDsCounter, 0 mSdLazyCounter, 1396 mSolverCounterSat, 1 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3271 SdHoareTripleChecker+Valid, 8607 SdHoareTripleChecker+Invalid, 1399 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1396 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.9s IncrementalHoareTripleChecker+Time [2022-12-14 09:00:52,994 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3271 Valid, 8607 Invalid, 1399 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1396 Invalid, 2 Unknown, 0 Unchecked, 12.9s Time] [2022-12-14 09:00:53,057 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80520 states. [2022-12-14 09:00:56,675 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80520 to 80520. [2022-12-14 09:00:56,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 80520 states, 47041 states have (on average 1.2942114325800897) internal successors, (60881), 49703 states have internal predecessors, (60881), 26814 states have call successors, (26814), 6743 states have call predecessors, (26814), 6662 states have return successors, (27988), 25775 states have call predecessors, (27988), 26810 states have call successors, (27988) [2022-12-14 09:00:57,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80520 states to 80520 states and 115683 transitions. [2022-12-14 09:00:57,053 INFO L78 Accepts]: Start accepts. Automaton has 80520 states and 115683 transitions. Word has length 260 [2022-12-14 09:00:57,054 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 09:00:57,054 INFO L495 AbstractCegarLoop]: Abstraction has 80520 states and 115683 transitions. [2022-12-14 09:00:57,054 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.6) internal successors, (53), 4 states have internal predecessors, (53), 2 states have call successors, (33), 3 states have call predecessors, (33), 1 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2022-12-14 09:00:57,054 INFO L276 IsEmpty]: Start isEmpty. Operand 80520 states and 115683 transitions. [2022-12-14 09:00:57,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 267 [2022-12-14 09:00:57,057 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 09:00:57,057 INFO L195 NwaCegarLoop]: trace histogram [21, 17, 17, 17, 17, 17, 17, 7, 6, 6, 4, 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] [2022-12-14 09:00:57,057 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-12-14 09:00:57,058 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)] === [2022-12-14 09:00:57,058 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 09:00:57,058 INFO L85 PathProgramCache]: Analyzing trace with hash -1331479394, now seen corresponding path program 1 times [2022-12-14 09:00:57,058 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 09:00:57,058 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [99343326] [2022-12-14 09:00:57,058 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 09:00:57,058 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 09:00:57,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 09:00:57,586 INFO L134 CoverageAnalysis]: Checked inductivity of 1330 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 1318 trivial. 0 not checked. [2022-12-14 09:00:57,586 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 09:00:57,586 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [99343326] [2022-12-14 09:00:57,587 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [99343326] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 09:00:57,587 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 09:00:57,587 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-14 09:00:57,587 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [418327239] [2022-12-14 09:00:57,587 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 09:00:57,587 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-14 09:00:57,588 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 09:00:57,588 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-14 09:00:57,588 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-14 09:00:57,588 INFO L87 Difference]: Start difference. First operand 80520 states and 115683 transitions. Second operand has 5 states, 5 states have (on average 11.4) internal successors, (57), 4 states have internal predecessors, (57), 2 states have call successors, (35), 3 states have call predecessors, (35), 1 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) [2022-12-14 09:00:58,889 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.05s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 09:01:00,896 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 09:01:04,192 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.85s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 09:01:05,455 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.26s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 09:01:06,974 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.52s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 09:01:13,688 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 09:01:13,688 INFO L93 Difference]: Finished difference Result 96656 states and 136304 transitions. [2022-12-14 09:01:13,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-14 09:01:13,689 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.4) internal successors, (57), 4 states have internal predecessors, (57), 2 states have call successors, (35), 3 states have call predecessors, (35), 1 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) Word has length 266 [2022-12-14 09:01:13,690 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 09:01:13,991 INFO L225 Difference]: With dead ends: 96656 [2022-12-14 09:01:13,991 INFO L226 Difference]: Without dead ends: 96654 [2022-12-14 09:01:14,029 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 [2022-12-14 09:01:14,029 INFO L413 NwaCegarLoop]: 3192 mSDtfsCounter, 2582 mSDsluCounter, 7627 mSDsCounter, 0 mSdLazyCounter, 1620 mSolverCounterSat, 2 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2589 SdHoareTripleChecker+Valid, 10819 SdHoareTripleChecker+Invalid, 1623 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 1620 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.2s IncrementalHoareTripleChecker+Time [2022-12-14 09:01:14,029 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2589 Valid, 10819 Invalid, 1623 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 1620 Invalid, 1 Unknown, 0 Unchecked, 12.2s Time] [2022-12-14 09:01:14,105 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96654 states. [2022-12-14 09:01:18,683 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96654 to 96650. [2022-12-14 09:01:18,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 96650 states, 55470 states have (on average 1.2765458806562107) internal successors, (70810), 58568 states have internal predecessors, (70810), 32158 states have call successors, (32158), 9140 states have call predecessors, (32158), 9019 states have return successors, (33332), 31005 states have call predecessors, (33332), 32154 states have call successors, (33332) [2022-12-14 09:01:19,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96650 states to 96650 states and 136300 transitions. [2022-12-14 09:01:19,098 INFO L78 Accepts]: Start accepts. Automaton has 96650 states and 136300 transitions. Word has length 266 [2022-12-14 09:01:19,099 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 09:01:19,099 INFO L495 AbstractCegarLoop]: Abstraction has 96650 states and 136300 transitions. [2022-12-14 09:01:19,099 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.4) internal successors, (57), 4 states have internal predecessors, (57), 2 states have call successors, (35), 3 states have call predecessors, (35), 1 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) [2022-12-14 09:01:19,099 INFO L276 IsEmpty]: Start isEmpty. Operand 96650 states and 136300 transitions. [2022-12-14 09:01:19,102 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 273 [2022-12-14 09:01:19,102 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 09:01:19,102 INFO L195 NwaCegarLoop]: trace histogram [21, 17, 17, 17, 17, 17, 17, 8, 7, 7, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 09:01:19,103 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-12-14 09:01:19,103 INFO L420 AbstractCegarLoop]: === Iteration 15 === 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)] === [2022-12-14 09:01:19,103 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 09:01:19,103 INFO L85 PathProgramCache]: Analyzing trace with hash 1070643351, now seen corresponding path program 1 times [2022-12-14 09:01:19,104 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 09:01:19,104 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [508446926] [2022-12-14 09:01:19,104 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 09:01:19,104 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 09:01:19,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 09:01:19,537 INFO L134 CoverageAnalysis]: Checked inductivity of 1357 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 1343 trivial. 0 not checked. [2022-12-14 09:01:19,537 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 09:01:19,537 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [508446926] [2022-12-14 09:01:19,537 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [508446926] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 09:01:19,537 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 09:01:19,537 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-14 09:01:19,537 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2111006074] [2022-12-14 09:01:19,537 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 09:01:19,538 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-14 09:01:19,538 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 09:01:19,538 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-14 09:01:19,538 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-14 09:01:19,538 INFO L87 Difference]: Start difference. First operand 96650 states and 136300 transitions. Second operand has 5 states, 5 states have (on average 11.4) internal successors, (57), 4 states have internal predecessors, (57), 2 states have call successors, (36), 3 states have call predecessors, (36), 1 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) [2022-12-14 09:01:22,932 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 09:01:26,192 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.68s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 09:01:33,204 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 09:01:33,204 INFO L93 Difference]: Finished difference Result 96656 states and 136305 transitions. [2022-12-14 09:01:33,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-14 09:01:33,206 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.4) internal successors, (57), 4 states have internal predecessors, (57), 2 states have call successors, (36), 3 states have call predecessors, (36), 1 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) Word has length 272 [2022-12-14 09:01:33,207 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 09:01:33,503 INFO L225 Difference]: With dead ends: 96656 [2022-12-14 09:01:33,503 INFO L226 Difference]: Without dead ends: 96654 [2022-12-14 09:01:33,535 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 [2022-12-14 09:01:33,536 INFO L413 NwaCegarLoop]: 2876 mSDtfsCounter, 3262 mSDsluCounter, 5731 mSDsCounter, 0 mSdLazyCounter, 1397 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3268 SdHoareTripleChecker+Valid, 8607 SdHoareTripleChecker+Invalid, 1399 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1397 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.3s IncrementalHoareTripleChecker+Time [2022-12-14 09:01:33,536 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3268 Valid, 8607 Invalid, 1399 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1397 Invalid, 1 Unknown, 0 Unchecked, 9.3s Time] [2022-12-14 09:01:33,610 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96654 states. [2022-12-14 09:01:38,533 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96654 to 96654. [2022-12-14 09:01:38,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 96654 states, 55473 states have (on average 1.2765309249544823) internal successors, (70813), 58571 states have internal predecessors, (70813), 32158 states have call successors, (32158), 9141 states have call predecessors, (32158), 9020 states have return successors, (33332), 31005 states have call predecessors, (33332), 32154 states have call successors, (33332) [2022-12-14 09:01:38,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96654 states to 96654 states and 136303 transitions. [2022-12-14 09:01:38,962 INFO L78 Accepts]: Start accepts. Automaton has 96654 states and 136303 transitions. Word has length 272 [2022-12-14 09:01:38,963 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 09:01:38,963 INFO L495 AbstractCegarLoop]: Abstraction has 96654 states and 136303 transitions. [2022-12-14 09:01:38,963 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.4) internal successors, (57), 4 states have internal predecessors, (57), 2 states have call successors, (36), 3 states have call predecessors, (36), 1 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) [2022-12-14 09:01:38,963 INFO L276 IsEmpty]: Start isEmpty. Operand 96654 states and 136303 transitions. [2022-12-14 09:01:38,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 276 [2022-12-14 09:01:38,967 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 09:01:38,967 INFO L195 NwaCegarLoop]: trace histogram [21, 17, 17, 17, 17, 17, 17, 9, 8, 8, 4, 4, 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] [2022-12-14 09:01:38,967 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-12-14 09:01:38,967 INFO L420 AbstractCegarLoop]: === Iteration 16 === 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)] === [2022-12-14 09:01:38,967 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 09:01:38,967 INFO L85 PathProgramCache]: Analyzing trace with hash 674962680, now seen corresponding path program 1 times [2022-12-14 09:01:38,967 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 09:01:38,967 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1433746822] [2022-12-14 09:01:38,968 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 09:01:38,968 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 09:01:39,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 09:01:39,377 INFO L134 CoverageAnalysis]: Checked inductivity of 1391 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 1375 trivial. 0 not checked. [2022-12-14 09:01:39,377 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 09:01:39,377 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1433746822] [2022-12-14 09:01:39,377 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1433746822] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 09:01:39,377 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 09:01:39,377 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-14 09:01:39,378 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1951112103] [2022-12-14 09:01:39,378 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 09:01:39,378 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-14 09:01:39,378 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 09:01:39,379 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-14 09:01:39,379 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-14 09:01:39,379 INFO L87 Difference]: Start difference. First operand 96654 states and 136303 transitions. Second operand has 5 states, 5 states have (on average 10.6) internal successors, (53), 4 states have internal predecessors, (53), 2 states have call successors, (36), 3 states have call predecessors, (36), 1 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) [2022-12-14 09:01:41,640 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 09:01:44,217 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 09:01:57,836 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 09:01:57,836 INFO L93 Difference]: Finished difference Result 189395 states and 268539 transitions. [2022-12-14 09:01:57,838 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-14 09:01:57,838 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.6) internal successors, (53), 4 states have internal predecessors, (53), 2 states have call successors, (36), 3 states have call predecessors, (36), 1 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) Word has length 275 [2022-12-14 09:01:57,838 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 09:01:58,508 INFO L225 Difference]: With dead ends: 189395 [2022-12-14 09:01:58,508 INFO L226 Difference]: Without dead ends: 189393 [2022-12-14 09:01:58,576 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 [2022-12-14 09:01:58,576 INFO L413 NwaCegarLoop]: 3980 mSDtfsCounter, 3099 mSDsluCounter, 10742 mSDsCounter, 0 mSdLazyCounter, 2110 mSolverCounterSat, 3 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3104 SdHoareTripleChecker+Valid, 14722 SdHoareTripleChecker+Invalid, 2115 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 2110 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.6s IncrementalHoareTripleChecker+Time [2022-12-14 09:01:58,577 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3104 Valid, 14722 Invalid, 2115 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 2110 Invalid, 2 Unknown, 0 Unchecked, 9.6s Time] [2022-12-14 09:01:58,729 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 189393 states. [2022-12-14 09:02:09,259 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 189393 to 189291. [2022-12-14 09:02:09,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 189291 states, 109063 states have (on average 1.2770600478622447) internal successors, (139280), 115025 states have internal predecessors, (139280), 62627 states have call successors, (62627), 17972 states have call predecessors, (62627), 17598 states have return successors, (66531), 60241 states have call predecessors, (66531), 62619 states have call successors, (66531) [2022-12-14 09:02:10,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189291 states to 189291 states and 268438 transitions. [2022-12-14 09:02:10,471 INFO L78 Accepts]: Start accepts. Automaton has 189291 states and 268438 transitions. Word has length 275 [2022-12-14 09:02:10,472 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 09:02:10,472 INFO L495 AbstractCegarLoop]: Abstraction has 189291 states and 268438 transitions. [2022-12-14 09:02:10,472 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.6) internal successors, (53), 4 states have internal predecessors, (53), 2 states have call successors, (36), 3 states have call predecessors, (36), 1 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) [2022-12-14 09:02:10,472 INFO L276 IsEmpty]: Start isEmpty. Operand 189291 states and 268438 transitions. [2022-12-14 09:02:10,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 287 [2022-12-14 09:02:10,478 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 09:02:10,478 INFO L195 NwaCegarLoop]: trace histogram [22, 19, 19, 19, 19, 19, 19, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 09:02:10,478 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-12-14 09:02:10,479 INFO L420 AbstractCegarLoop]: === Iteration 17 === 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)] === [2022-12-14 09:02:10,479 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 09:02:10,479 INFO L85 PathProgramCache]: Analyzing trace with hash 1785355311, now seen corresponding path program 1 times [2022-12-14 09:02:10,479 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 09:02:10,479 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [170058811] [2022-12-14 09:02:10,479 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 09:02:10,480 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 09:02:10,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 09:02:10,884 INFO L134 CoverageAnalysis]: Checked inductivity of 1509 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1509 trivial. 0 not checked. [2022-12-14 09:02:10,884 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 09:02:10,884 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [170058811] [2022-12-14 09:02:10,884 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [170058811] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 09:02:10,884 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 09:02:10,884 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 09:02:10,885 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1481648479] [2022-12-14 09:02:10,885 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 09:02:10,885 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 09:02:10,885 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 09:02:10,886 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 09:02:10,886 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 09:02:10,886 INFO L87 Difference]: Start difference. First operand 189291 states and 268438 transitions. Second operand has 3 states, 3 states have (on average 24.333333333333332) internal successors, (73), 3 states have internal predecessors, (73), 3 states have call successors, (40), 2 states have call predecessors, (40), 1 states have return successors, (36), 3 states have call predecessors, (36), 3 states have call successors, (36) [2022-12-14 09:02:14,444 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 09:02:26,952 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 09:02:26,952 INFO L93 Difference]: Finished difference Result 373047 states and 529626 transitions. [2022-12-14 09:02:26,953 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 09:02:26,953 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 24.333333333333332) internal successors, (73), 3 states have internal predecessors, (73), 3 states have call successors, (40), 2 states have call predecessors, (40), 1 states have return successors, (36), 3 states have call predecessors, (36), 3 states have call successors, (36) Word has length 286 [2022-12-14 09:02:26,953 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 09:02:27,652 INFO L225 Difference]: With dead ends: 373047 [2022-12-14 09:02:27,652 INFO L226 Difference]: Without dead ends: 183895 [2022-12-14 09:02:28,225 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 09:02:28,225 INFO L413 NwaCegarLoop]: 3055 mSDtfsCounter, 3049 mSDsluCounter, 759 mSDsCounter, 0 mSdLazyCounter, 588 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3050 SdHoareTripleChecker+Valid, 3814 SdHoareTripleChecker+Invalid, 589 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 588 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.1s IncrementalHoareTripleChecker+Time [2022-12-14 09:02:28,225 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3050 Valid, 3814 Invalid, 589 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 588 Invalid, 1 Unknown, 0 Unchecked, 5.1s Time] [2022-12-14 09:02:28,375 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 183895 states. [2022-12-14 09:02:39,043 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 183895 to 183891. [2022-12-14 09:02:39,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 183891 states, 105887 states have (on average 1.2790238650637) internal successors, (135432), 111841 states have internal predecessors, (135432), 61083 states have call successors, (61083), 17292 states have call predecessors, (61083), 16918 states have return successors, (64747), 58705 states have call predecessors, (64747), 61075 states have call successors, (64747) [2022-12-14 09:02:40,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183891 states to 183891 states and 261262 transitions. [2022-12-14 09:02:40,062 INFO L78 Accepts]: Start accepts. Automaton has 183891 states and 261262 transitions. Word has length 286 [2022-12-14 09:02:40,062 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 09:02:40,062 INFO L495 AbstractCegarLoop]: Abstraction has 183891 states and 261262 transitions. [2022-12-14 09:02:40,062 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 24.333333333333332) internal successors, (73), 3 states have internal predecessors, (73), 3 states have call successors, (40), 2 states have call predecessors, (40), 1 states have return successors, (36), 3 states have call predecessors, (36), 3 states have call successors, (36) [2022-12-14 09:02:40,062 INFO L276 IsEmpty]: Start isEmpty. Operand 183891 states and 261262 transitions. [2022-12-14 09:02:40,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 282 [2022-12-14 09:02:40,067 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 09:02:40,067 INFO L195 NwaCegarLoop]: trace histogram [21, 17, 17, 17, 17, 17, 17, 10, 9, 9, 4, 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] [2022-12-14 09:02:40,067 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-12-14 09:02:40,067 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)] === [2022-12-14 09:02:40,067 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 09:02:40,067 INFO L85 PathProgramCache]: Analyzing trace with hash 421276464, now seen corresponding path program 1 times [2022-12-14 09:02:40,067 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 09:02:40,068 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1107011255] [2022-12-14 09:02:40,068 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 09:02:40,068 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 09:02:40,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 09:02:40,590 INFO L134 CoverageAnalysis]: Checked inductivity of 1420 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 1402 trivial. 0 not checked. [2022-12-14 09:02:40,590 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 09:02:40,590 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1107011255] [2022-12-14 09:02:40,590 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1107011255] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 09:02:40,590 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 09:02:40,590 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-14 09:02:40,591 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2085990599] [2022-12-14 09:02:40,591 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 09:02:40,591 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-14 09:02:40,591 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 09:02:40,591 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-14 09:02:40,591 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-14 09:02:40,591 INFO L87 Difference]: Start difference. First operand 183891 states and 261262 transitions. Second operand has 5 states, 5 states have (on average 11.4) internal successors, (57), 4 states have internal predecessors, (57), 2 states have call successors, (38), 3 states have call predecessors, (38), 1 states have return successors, (36), 2 states have call predecessors, (36), 2 states have call successors, (36) [2022-12-14 09:02:44,923 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 09:02:46,964 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.74s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 09:02:48,973 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 09:02:50,172 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.20s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 09:02:52,180 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 09:03:03,925 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 09:03:03,925 INFO L93 Difference]: Finished difference Result 183905 states and 261273 transitions. [2022-12-14 09:03:03,926 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-14 09:03:03,926 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.4) internal successors, (57), 4 states have internal predecessors, (57), 2 states have call successors, (38), 3 states have call predecessors, (38), 1 states have return successors, (36), 2 states have call predecessors, (36), 2 states have call successors, (36) Word has length 281 [2022-12-14 09:03:03,926 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 09:03:04,535 INFO L225 Difference]: With dead ends: 183905 [2022-12-14 09:03:04,535 INFO L226 Difference]: Without dead ends: 183903 [2022-12-14 09:03:04,595 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 [2022-12-14 09:03:04,596 INFO L413 NwaCegarLoop]: 3056 mSDtfsCounter, 3031 mSDsluCounter, 6850 mSDsCounter, 0 mSdLazyCounter, 1526 mSolverCounterSat, 1 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3036 SdHoareTripleChecker+Valid, 9906 SdHoareTripleChecker+Invalid, 1530 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1526 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.0s IncrementalHoareTripleChecker+Time [2022-12-14 09:03:04,596 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3036 Valid, 9906 Invalid, 1530 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1526 Invalid, 3 Unknown, 0 Unchecked, 13.0s Time] [2022-12-14 09:03:04,740 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 183903 states. [2022-12-14 09:03:15,685 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 183903 to 183899. [2022-12-14 09:03:15,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 183899 states, 105893 states have (on average 1.2790080553011058) internal successors, (135438), 111847 states have internal predecessors, (135438), 61083 states have call successors, (61083), 17294 states have call predecessors, (61083), 16920 states have return successors, (64747), 58705 states have call predecessors, (64747), 61075 states have call successors, (64747) [2022-12-14 09:03:16,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183899 states to 183899 states and 261268 transitions. [2022-12-14 09:03:16,694 INFO L78 Accepts]: Start accepts. Automaton has 183899 states and 261268 transitions. Word has length 281 [2022-12-14 09:03:16,694 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 09:03:16,694 INFO L495 AbstractCegarLoop]: Abstraction has 183899 states and 261268 transitions. [2022-12-14 09:03:16,694 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.4) internal successors, (57), 4 states have internal predecessors, (57), 2 states have call successors, (38), 3 states have call predecessors, (38), 1 states have return successors, (36), 2 states have call predecessors, (36), 2 states have call successors, (36) [2022-12-14 09:03:16,695 INFO L276 IsEmpty]: Start isEmpty. Operand 183899 states and 261268 transitions. [2022-12-14 09:03:16,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 286 [2022-12-14 09:03:16,699 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 09:03:16,700 INFO L195 NwaCegarLoop]: trace histogram [21, 17, 17, 17, 17, 17, 17, 11, 10, 10, 4, 4, 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] [2022-12-14 09:03:16,700 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-12-14 09:03:16,700 INFO L420 AbstractCegarLoop]: === Iteration 19 === 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)] === [2022-12-14 09:03:16,700 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 09:03:16,700 INFO L85 PathProgramCache]: Analyzing trace with hash -1446561928, now seen corresponding path program 1 times [2022-12-14 09:03:16,700 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 09:03:16,700 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2143014934] [2022-12-14 09:03:16,700 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 09:03:16,701 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 09:03:16,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 09:03:17,114 INFO L134 CoverageAnalysis]: Checked inductivity of 1463 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 1443 trivial. 0 not checked. [2022-12-14 09:03:17,114 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 09:03:17,114 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2143014934] [2022-12-14 09:03:17,114 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2143014934] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 09:03:17,114 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 09:03:17,114 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-14 09:03:17,114 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1685354916] [2022-12-14 09:03:17,114 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 09:03:17,115 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-14 09:03:17,115 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 09:03:17,115 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-14 09:03:17,115 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-14 09:03:17,115 INFO L87 Difference]: Start difference. First operand 183899 states and 261268 transitions. Second operand has 5 states, 5 states have (on average 10.6) internal successors, (53), 4 states have internal predecessors, (53), 2 states have call successors, (38), 3 states have call predecessors, (38), 1 states have return successors, (36), 2 states have call predecessors, (36), 2 states have call successors, (36) [2022-12-14 09:03:21,216 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 09:03:22,619 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.02s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 09:03:23,976 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.36s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 09:03:26,695 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 09:03:39,645 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 09:03:39,645 INFO L93 Difference]: Finished difference Result 183913 states and 261279 transitions. [2022-12-14 09:03:39,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-14 09:03:39,646 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.6) internal successors, (53), 4 states have internal predecessors, (53), 2 states have call successors, (38), 3 states have call predecessors, (38), 1 states have return successors, (36), 2 states have call predecessors, (36), 2 states have call successors, (36) Word has length 285 [2022-12-14 09:03:39,646 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 09:03:40,338 INFO L225 Difference]: With dead ends: 183913 [2022-12-14 09:03:40,338 INFO L226 Difference]: Without dead ends: 183911 [2022-12-14 09:03:40,402 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 [2022-12-14 09:03:40,402 INFO L413 NwaCegarLoop]: 3056 mSDtfsCounter, 3032 mSDsluCounter, 6850 mSDsCounter, 0 mSdLazyCounter, 1527 mSolverCounterSat, 1 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3036 SdHoareTripleChecker+Valid, 9906 SdHoareTripleChecker+Invalid, 1530 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1527 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.8s IncrementalHoareTripleChecker+Time [2022-12-14 09:03:40,402 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3036 Valid, 9906 Invalid, 1530 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1527 Invalid, 2 Unknown, 0 Unchecked, 11.8s Time] [2022-12-14 09:03:40,526 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 183911 states. [2022-12-14 09:03:52,491 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 183911 to 183907. [2022-12-14 09:03:52,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 183907 states, 105899 states have (on average 1.278992247330003) internal successors, (135444), 111853 states have internal predecessors, (135444), 61083 states have call successors, (61083), 17296 states have call predecessors, (61083), 16922 states have return successors, (64747), 58705 states have call predecessors, (64747), 61075 states have call successors, (64747) [2022-12-14 09:03:53,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183907 states to 183907 states and 261274 transitions. [2022-12-14 09:03:53,412 INFO L78 Accepts]: Start accepts. Automaton has 183907 states and 261274 transitions. Word has length 285 [2022-12-14 09:03:53,412 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 09:03:53,412 INFO L495 AbstractCegarLoop]: Abstraction has 183907 states and 261274 transitions. [2022-12-14 09:03:53,412 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.6) internal successors, (53), 4 states have internal predecessors, (53), 2 states have call successors, (38), 3 states have call predecessors, (38), 1 states have return successors, (36), 2 states have call predecessors, (36), 2 states have call successors, (36) [2022-12-14 09:03:53,412 INFO L276 IsEmpty]: Start isEmpty. Operand 183907 states and 261274 transitions. [2022-12-14 09:03:53,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 291 [2022-12-14 09:03:53,418 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 09:03:53,419 INFO L195 NwaCegarLoop]: trace histogram [21, 17, 17, 17, 17, 17, 17, 12, 11, 11, 4, 4, 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] [2022-12-14 09:03:53,419 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-12-14 09:03:53,419 INFO L420 AbstractCegarLoop]: === Iteration 20 === 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)] === [2022-12-14 09:03:53,419 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 09:03:53,419 INFO L85 PathProgramCache]: Analyzing trace with hash -1587098858, now seen corresponding path program 1 times [2022-12-14 09:03:53,419 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 09:03:53,419 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [695328546] [2022-12-14 09:03:53,420 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 09:03:53,420 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 09:03:53,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 09:03:53,978 INFO L134 CoverageAnalysis]: Checked inductivity of 1505 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 1483 trivial. 0 not checked. [2022-12-14 09:03:53,978 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 09:03:53,978 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [695328546] [2022-12-14 09:03:53,978 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [695328546] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 09:03:53,978 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 09:03:53,978 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-14 09:03:53,978 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1387217616] [2022-12-14 09:03:53,978 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 09:03:53,979 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-14 09:03:53,979 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 09:03:53,979 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-14 09:03:53,979 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-14 09:03:53,979 INFO L87 Difference]: Start difference. First operand 183907 states and 261274 transitions. Second operand has 5 states, 5 states have (on average 10.6) internal successors, (53), 4 states have internal predecessors, (53), 2 states have call successors, (39), 3 states have call predecessors, (39), 1 states have return successors, (37), 2 states have call predecessors, (37), 2 states have call successors, (37) [2022-12-14 09:03:58,179 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 09:04:00,505 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 09:04:13,430 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 09:04:13,430 INFO L93 Difference]: Finished difference Result 183921 states and 261285 transitions. [2022-12-14 09:04:13,431 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-14 09:04:13,431 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.6) internal successors, (53), 4 states have internal predecessors, (53), 2 states have call successors, (39), 3 states have call predecessors, (39), 1 states have return successors, (37), 2 states have call predecessors, (37), 2 states have call successors, (37) Word has length 290 [2022-12-14 09:04:13,432 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 09:04:14,065 INFO L225 Difference]: With dead ends: 183921 [2022-12-14 09:04:14,065 INFO L226 Difference]: Without dead ends: 183919 [2022-12-14 09:04:14,137 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 [2022-12-14 09:04:14,138 INFO L413 NwaCegarLoop]: 3056 mSDtfsCounter, 3032 mSDsluCounter, 6850 mSDsCounter, 0 mSdLazyCounter, 1524 mSolverCounterSat, 1 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3035 SdHoareTripleChecker+Valid, 9906 SdHoareTripleChecker+Invalid, 1527 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1524 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.7s IncrementalHoareTripleChecker+Time [2022-12-14 09:04:14,138 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3035 Valid, 9906 Invalid, 1527 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1524 Invalid, 2 Unknown, 0 Unchecked, 7.7s Time] [2022-12-14 09:04:14,286 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 183919 states. [2022-12-14 09:04:26,891 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 183919 to 183915. [2022-12-14 09:04:27,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 183915 states, 105905 states have (on average 1.2789764411500872) internal successors, (135450), 111859 states have internal predecessors, (135450), 61083 states have call successors, (61083), 17298 states have call predecessors, (61083), 16924 states have return successors, (64747), 58705 states have call predecessors, (64747), 61075 states have call successors, (64747) [2022-12-14 09:04:27,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183915 states to 183915 states and 261280 transitions. [2022-12-14 09:04:27,921 INFO L78 Accepts]: Start accepts. Automaton has 183915 states and 261280 transitions. Word has length 290 [2022-12-14 09:04:27,921 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 09:04:27,921 INFO L495 AbstractCegarLoop]: Abstraction has 183915 states and 261280 transitions. [2022-12-14 09:04:27,921 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.6) internal successors, (53), 4 states have internal predecessors, (53), 2 states have call successors, (39), 3 states have call predecessors, (39), 1 states have return successors, (37), 2 states have call predecessors, (37), 2 states have call successors, (37) [2022-12-14 09:04:27,921 INFO L276 IsEmpty]: Start isEmpty. Operand 183915 states and 261280 transitions. [2022-12-14 09:04:27,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 290 [2022-12-14 09:04:27,927 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 09:04:27,928 INFO L195 NwaCegarLoop]: trace histogram [23, 17, 17, 17, 17, 17, 17, 5, 5, 4, 4, 4, 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] [2022-12-14 09:04:27,928 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-12-14 09:04:27,928 INFO L420 AbstractCegarLoop]: === Iteration 21 === 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)] === [2022-12-14 09:04:27,928 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 09:04:27,928 INFO L85 PathProgramCache]: Analyzing trace with hash -427856902, now seen corresponding path program 1 times [2022-12-14 09:04:27,928 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 09:04:27,928 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [185592262] [2022-12-14 09:04:27,928 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 09:04:27,929 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 09:04:28,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 09:04:28,203 INFO L134 CoverageAnalysis]: Checked inductivity of 1379 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 1359 trivial. 0 not checked. [2022-12-14 09:04:28,203 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 09:04:28,203 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [185592262] [2022-12-14 09:04:28,203 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [185592262] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 09:04:28,203 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 09:04:28,203 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 09:04:28,203 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1705950893] [2022-12-14 09:04:28,203 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 09:04:28,204 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 09:04:28,204 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 09:04:28,204 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 09:04:28,204 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 09:04:28,204 INFO L87 Difference]: Start difference. First operand 183915 states and 261280 transitions. Second operand has 3 states, 3 states have (on average 29.0) internal successors, (87), 3 states have internal predecessors, (87), 3 states have call successors, (37), 2 states have call predecessors, (37), 1 states have return successors, (32), 3 states have call predecessors, (32), 3 states have call successors, (32) [2022-12-14 09:04:32,633 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.86s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 09:04:33,681 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.05s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 09:04:35,838 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 09:04:38,244 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 09:04:57,300 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 09:04:57,300 INFO L93 Difference]: Finished difference Result 453619 states and 644638 transitions. [2022-12-14 09:04:57,302 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 09:04:57,302 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 29.0) internal successors, (87), 3 states have internal predecessors, (87), 3 states have call successors, (37), 2 states have call predecessors, (37), 1 states have return successors, (32), 3 states have call predecessors, (32), 3 states have call successors, (32) Word has length 289 [2022-12-14 09:04:57,302 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 09:04:58,384 INFO L225 Difference]: With dead ends: 453619 [2022-12-14 09:04:58,384 INFO L226 Difference]: Without dead ends: 269843 [2022-12-14 09:04:59,098 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 09:04:59,099 INFO L413 NwaCegarLoop]: 5464 mSDtfsCounter, 3012 mSDsluCounter, 2842 mSDsCounter, 0 mSdLazyCounter, 1365 mSolverCounterSat, 9 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3013 SdHoareTripleChecker+Valid, 8306 SdHoareTripleChecker+Invalid, 1376 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 1365 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.9s IncrementalHoareTripleChecker+Time [2022-12-14 09:04:59,099 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3013 Valid, 8306 Invalid, 1376 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 1365 Invalid, 2 Unknown, 0 Unchecked, 9.9s Time] [2022-12-14 09:04:59,312 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 269843 states. [2022-12-14 09:05:17,792 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 269843 to 269519. [2022-12-14 09:05:17,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 269519 states, 155275 states have (on average 1.2784801159233619) internal successors, (198516), 164089 states have internal predecessors, (198516), 89405 states have call successors, (89405), 25386 states have call predecessors, (89405), 24836 states have return successors, (94837), 85861 states have call predecessors, (94837), 89397 states have call successors, (94837) [2022-12-14 09:05:19,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 269519 states to 269519 states and 382758 transitions. [2022-12-14 09:05:19,339 INFO L78 Accepts]: Start accepts. Automaton has 269519 states and 382758 transitions. Word has length 289 [2022-12-14 09:05:19,340 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 09:05:19,340 INFO L495 AbstractCegarLoop]: Abstraction has 269519 states and 382758 transitions. [2022-12-14 09:05:19,340 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 29.0) internal successors, (87), 3 states have internal predecessors, (87), 3 states have call successors, (37), 2 states have call predecessors, (37), 1 states have return successors, (32), 3 states have call predecessors, (32), 3 states have call successors, (32) [2022-12-14 09:05:19,340 INFO L276 IsEmpty]: Start isEmpty. Operand 269519 states and 382758 transitions. [2022-12-14 09:05:19,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 296 [2022-12-14 09:05:19,344 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 09:05:19,345 INFO L195 NwaCegarLoop]: trace histogram [21, 17, 17, 17, 17, 17, 17, 13, 12, 12, 4, 4, 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] [2022-12-14 09:05:19,345 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2022-12-14 09:05:19,345 INFO L420 AbstractCegarLoop]: === Iteration 22 === 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)] === [2022-12-14 09:05:19,345 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 09:05:19,345 INFO L85 PathProgramCache]: Analyzing trace with hash 2068177400, now seen corresponding path program 1 times [2022-12-14 09:05:19,345 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 09:05:19,345 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1983882922] [2022-12-14 09:05:19,345 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 09:05:19,346 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 09:05:19,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 09:05:19,972 INFO L134 CoverageAnalysis]: Checked inductivity of 1551 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 1527 trivial. 0 not checked. [2022-12-14 09:05:19,973 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 09:05:19,973 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1983882922] [2022-12-14 09:05:19,973 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1983882922] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 09:05:19,973 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 09:05:19,973 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-14 09:05:19,973 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1568219625] [2022-12-14 09:05:19,973 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 09:05:19,973 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-14 09:05:19,973 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 09:05:19,974 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-14 09:05:19,974 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-14 09:05:19,974 INFO L87 Difference]: Start difference. First operand 269519 states and 382758 transitions. Second operand has 5 states, 5 states have (on average 10.6) internal successors, (53), 4 states have internal predecessors, (53), 2 states have call successors, (40), 3 states have call predecessors, (40), 1 states have return successors, (38), 2 states have call predecessors, (38), 2 states have call successors, (38) [2022-12-14 09:05:24,615 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 09:05:27,140 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 09:05:45,698 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 09:05:45,698 INFO L93 Difference]: Finished difference Result 269533 states and 382769 transitions. [2022-12-14 09:05:45,699 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-14 09:05:45,699 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.6) internal successors, (53), 4 states have internal predecessors, (53), 2 states have call successors, (40), 3 states have call predecessors, (40), 1 states have return successors, (38), 2 states have call predecessors, (38), 2 states have call successors, (38) Word has length 295 [2022-12-14 09:05:45,700 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 09:05:46,686 INFO L225 Difference]: With dead ends: 269533 [2022-12-14 09:05:46,687 INFO L226 Difference]: Without dead ends: 269529 [2022-12-14 09:05:46,789 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 [2022-12-14 09:05:46,789 INFO L413 NwaCegarLoop]: 3058 mSDtfsCounter, 3032 mSDsluCounter, 6854 mSDsCounter, 0 mSdLazyCounter, 1524 mSolverCounterSat, 1 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3034 SdHoareTripleChecker+Valid, 9912 SdHoareTripleChecker+Invalid, 1527 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1524 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.8s IncrementalHoareTripleChecker+Time [2022-12-14 09:05:46,790 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3034 Valid, 9912 Invalid, 1527 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1524 Invalid, 2 Unknown, 0 Unchecked, 7.8s Time] [2022-12-14 09:05:47,015 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 269529 states. [2022-12-14 09:06:06,198 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 269529 to 269525. [2022-12-14 09:06:06,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 269525 states, 155280 states have (on average 1.2784647089129315) internal successors, (198520), 164093 states have internal predecessors, (198520), 89405 states have call successors, (89405), 25388 states have call predecessors, (89405), 24837 states have return successors, (94837), 85861 states have call predecessors, (94837), 89397 states have call successors, (94837) [2022-12-14 09:06:07,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 269525 states to 269525 states and 382762 transitions. [2022-12-14 09:06:07,932 INFO L78 Accepts]: Start accepts. Automaton has 269525 states and 382762 transitions. Word has length 295 [2022-12-14 09:06:07,933 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 09:06:07,933 INFO L495 AbstractCegarLoop]: Abstraction has 269525 states and 382762 transitions. [2022-12-14 09:06:07,933 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.6) internal successors, (53), 4 states have internal predecessors, (53), 2 states have call successors, (40), 3 states have call predecessors, (40), 1 states have return successors, (38), 2 states have call predecessors, (38), 2 states have call successors, (38) [2022-12-14 09:06:07,933 INFO L276 IsEmpty]: Start isEmpty. Operand 269525 states and 382762 transitions. [2022-12-14 09:06:07,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 303 [2022-12-14 09:06:07,939 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 09:06:07,939 INFO L195 NwaCegarLoop]: trace histogram [21, 17, 17, 17, 17, 17, 17, 14, 13, 13, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 09:06:07,939 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2022-12-14 09:06:07,939 INFO L420 AbstractCegarLoop]: === Iteration 23 === 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)] === [2022-12-14 09:06:07,939 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 09:06:07,939 INFO L85 PathProgramCache]: Analyzing trace with hash -2050273321, now seen corresponding path program 1 times [2022-12-14 09:06:07,940 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 09:06:07,940 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [28235054] [2022-12-14 09:06:07,940 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 09:06:07,940 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 09:06:08,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 09:06:08,477 INFO L134 CoverageAnalysis]: Checked inductivity of 1597 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 1571 trivial. 0 not checked. [2022-12-14 09:06:08,477 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 09:06:08,477 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [28235054] [2022-12-14 09:06:08,478 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [28235054] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 09:06:08,478 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 09:06:08,478 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-12-14 09:06:08,478 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1003401794] [2022-12-14 09:06:08,478 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 09:06:08,479 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-14 09:06:08,479 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 09:06:08,479 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-14 09:06:08,479 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-12-14 09:06:08,479 INFO L87 Difference]: Start difference. First operand 269525 states and 382762 transitions. Second operand has 6 states, 6 states have (on average 9.5) internal successors, (57), 5 states have internal predecessors, (57), 2 states have call successors, (42), 4 states have call predecessors, (42), 2 states have return successors, (40), 2 states have call predecessors, (40), 2 states have call successors, (40) [2022-12-14 09:06:14,828 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 09:06:16,946 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.19s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 09:06:18,565 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.62s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 09:06:21,066 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.29s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 09:06:47,413 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 09:06:47,413 INFO L93 Difference]: Finished difference Result 362572 states and 510832 transitions. [2022-12-14 09:06:47,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-12-14 09:06:47,416 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.5) internal successors, (57), 5 states have internal predecessors, (57), 2 states have call successors, (42), 4 states have call predecessors, (42), 2 states have return successors, (40), 2 states have call predecessors, (40), 2 states have call successors, (40) Word has length 302 [2022-12-14 09:06:47,416 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 09:06:49,006 INFO L225 Difference]: With dead ends: 362572 [2022-12-14 09:06:49,007 INFO L226 Difference]: Without dead ends: 360788 [2022-12-14 09:06:49,131 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2022-12-14 09:06:49,131 INFO L413 NwaCegarLoop]: 3172 mSDtfsCounter, 3908 mSDsluCounter, 7397 mSDsCounter, 0 mSdLazyCounter, 5229 mSolverCounterSat, 433 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4201 SdHoareTripleChecker+Valid, 10569 SdHoareTripleChecker+Invalid, 5663 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 433 IncrementalHoareTripleChecker+Valid, 5229 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.0s IncrementalHoareTripleChecker+Time [2022-12-14 09:06:49,131 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4201 Valid, 10569 Invalid, 5663 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [433 Valid, 5229 Invalid, 1 Unknown, 0 Unchecked, 14.0s Time] [2022-12-14 09:06:49,411 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 360788 states. [2022-12-14 09:07:15,590 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 360788 to 360634. [2022-12-14 09:07:16,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 360634 states, 210207 states have (on average 1.2765845095548674) internal successors, (268347), 221440 states have internal predecessors, (268347), 114650 states have call successors, (114650), 37267 states have call predecessors, (114650), 35774 states have return successors, (124596), 108844 states have call predecessors, (124596), 114374 states have call successors, (124596) [2022-12-14 09:07:17,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 360634 states to 360634 states and 507593 transitions. [2022-12-14 09:07:17,778 INFO L78 Accepts]: Start accepts. Automaton has 360634 states and 507593 transitions. Word has length 302 [2022-12-14 09:07:17,778 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 09:07:17,778 INFO L495 AbstractCegarLoop]: Abstraction has 360634 states and 507593 transitions. [2022-12-14 09:07:17,778 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.5) internal successors, (57), 5 states have internal predecessors, (57), 2 states have call successors, (42), 4 states have call predecessors, (42), 2 states have return successors, (40), 2 states have call predecessors, (40), 2 states have call successors, (40) [2022-12-14 09:07:17,778 INFO L276 IsEmpty]: Start isEmpty. Operand 360634 states and 507593 transitions. [2022-12-14 09:07:17,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 321 [2022-12-14 09:07:17,786 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 09:07:17,786 INFO L195 NwaCegarLoop]: trace histogram [23, 17, 17, 17, 17, 17, 17, 8, 8, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 09:07:17,786 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2022-12-14 09:07:17,786 INFO L420 AbstractCegarLoop]: === Iteration 24 === 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)] === [2022-12-14 09:07:17,787 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 09:07:17,787 INFO L85 PathProgramCache]: Analyzing trace with hash -1070305850, now seen corresponding path program 1 times [2022-12-14 09:07:17,787 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 09:07:17,787 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1438289646] [2022-12-14 09:07:17,787 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 09:07:17,787 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 09:07:17,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 09:07:18,579 INFO L134 CoverageAnalysis]: Checked inductivity of 1430 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1430 trivial. 0 not checked. [2022-12-14 09:07:18,579 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 09:07:18,580 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1438289646] [2022-12-14 09:07:18,580 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1438289646] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 09:07:18,580 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 09:07:18,580 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-14 09:07:18,580 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1167537592] [2022-12-14 09:07:18,580 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 09:07:18,581 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-14 09:07:18,581 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 09:07:18,581 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-14 09:07:18,582 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-14 09:07:18,582 INFO L87 Difference]: Start difference. First operand 360634 states and 507593 transitions. Second operand has 5 states, 5 states have (on average 18.2) internal successors, (91), 4 states have internal predecessors, (91), 2 states have call successors, (40), 3 states have call predecessors, (40), 1 states have return successors, (35), 2 states have call predecessors, (35), 2 states have call successors, (35) [2022-12-14 09:07:23,571 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 09:07:26,449 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.52s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 09:07:28,457 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 09:07:30,461 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 09:07:55,308 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 09:07:55,308 INFO L93 Difference]: Finished difference Result 361606 states and 508561 transitions. [2022-12-14 09:07:55,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-14 09:07:55,311 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 18.2) internal successors, (91), 4 states have internal predecessors, (91), 2 states have call successors, (40), 3 states have call predecessors, (40), 1 states have return successors, (35), 2 states have call predecessors, (35), 2 states have call successors, (35) Word has length 320 [2022-12-14 09:07:55,311 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 09:07:56,807 INFO L225 Difference]: With dead ends: 361606 [2022-12-14 09:07:56,807 INFO L226 Difference]: Without dead ends: 361604 [2022-12-14 09:07:56,933 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-12-14 09:07:56,934 INFO L413 NwaCegarLoop]: 3631 mSDtfsCounter, 2942 mSDsluCounter, 9375 mSDsCounter, 0 mSdLazyCounter, 2022 mSolverCounterSat, 3 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2945 SdHoareTripleChecker+Valid, 13006 SdHoareTripleChecker+Invalid, 2028 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 2022 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.9s IncrementalHoareTripleChecker+Time [2022-12-14 09:07:56,934 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2945 Valid, 13006 Invalid, 2028 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 2022 Invalid, 3 Unknown, 0 Unchecked, 11.9s Time] [2022-12-14 09:07:57,214 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 361604 states. [2022-12-14 09:08:25,993 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 361604 to 361450. [2022-12-14 09:08:26,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 361450 states, 210819 states have (on average 1.275402122199612) internal successors, (268879), 222052 states have internal predecessors, (268879), 114650 states have call successors, (114650), 37471 states have call predecessors, (114650), 35978 states have return successors, (124596), 108844 states have call predecessors, (124596), 114374 states have call successors, (124596) [2022-12-14 09:08:28,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 361450 states to 361450 states and 508125 transitions. [2022-12-14 09:08:28,219 INFO L78 Accepts]: Start accepts. Automaton has 361450 states and 508125 transitions. Word has length 320 [2022-12-14 09:08:28,220 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 09:08:28,220 INFO L495 AbstractCegarLoop]: Abstraction has 361450 states and 508125 transitions. [2022-12-14 09:08:28,220 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 18.2) internal successors, (91), 4 states have internal predecessors, (91), 2 states have call successors, (40), 3 states have call predecessors, (40), 1 states have return successors, (35), 2 states have call predecessors, (35), 2 states have call successors, (35) [2022-12-14 09:08:28,220 INFO L276 IsEmpty]: Start isEmpty. Operand 361450 states and 508125 transitions. [2022-12-14 09:08:28,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 339 [2022-12-14 09:08:28,233 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 09:08:28,234 INFO L195 NwaCegarLoop]: trace histogram [23, 17, 17, 17, 17, 17, 17, 8, 8, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 09:08:28,234 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2022-12-14 09:08:28,234 INFO L420 AbstractCegarLoop]: === Iteration 25 === 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)] === [2022-12-14 09:08:28,234 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 09:08:28,234 INFO L85 PathProgramCache]: Analyzing trace with hash -1850278462, now seen corresponding path program 1 times [2022-12-14 09:08:28,234 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 09:08:28,235 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [17501134] [2022-12-14 09:08:28,235 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 09:08:28,235 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 09:08:28,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 09:08:29,188 INFO L134 CoverageAnalysis]: Checked inductivity of 1434 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1434 trivial. 0 not checked. [2022-12-14 09:08:29,189 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 09:08:29,189 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [17501134] [2022-12-14 09:08:29,189 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [17501134] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 09:08:29,189 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 09:08:29,189 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-14 09:08:29,189 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2012584034] [2022-12-14 09:08:29,189 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 09:08:29,189 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-14 09:08:29,189 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 09:08:29,190 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-14 09:08:29,190 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-14 09:08:29,190 INFO L87 Difference]: Start difference. First operand 361450 states and 508125 transitions. Second operand has 5 states, 5 states have (on average 19.6) internal successors, (98), 4 states have internal predecessors, (98), 2 states have call successors, (45), 3 states have call predecessors, (45), 1 states have return successors, (39), 2 states have call predecessors, (39), 2 states have call successors, (39) [2022-12-14 09:08:34,113 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 []