./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-challenges/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-via-via-velocity.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_fd14b77a-cf03-4214-9e0a-efad4bfff349/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd14b77a-cf03-4214-9e0a-efad4bfff349/bin/uautomizer-uyxdKDjOR8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd14b77a-cf03-4214-9e0a-efad4bfff349/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd14b77a-cf03-4214-9e0a-efad4bfff349/bin/uautomizer-uyxdKDjOR8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-challenges/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-via-via-velocity.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd14b77a-cf03-4214-9e0a-efad4bfff349/bin/uautomizer-uyxdKDjOR8/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd14b77a-cf03-4214-9e0a-efad4bfff349/bin/uautomizer-uyxdKDjOR8 --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 Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash fb94c2fb6abf8f6e03775b6f065b6f69f3e093cdc1a36a25e63dc191517ab003 --- 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 [2022-12-13 11:34:31,013 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 11:34:31,015 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 11:34:31,034 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 11:34:31,034 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 11:34:31,035 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 11:34:31,036 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 11:34:31,038 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 11:34:31,039 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 11:34:31,040 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 11:34:31,041 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 11:34:31,042 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 11:34:31,042 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 11:34:31,043 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 11:34:31,044 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 11:34:31,045 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 11:34:31,046 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 11:34:31,047 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 11:34:31,049 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 11:34:31,050 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 11:34:31,052 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 11:34:31,053 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 11:34:31,054 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 11:34:31,058 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 11:34:31,062 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 11:34:31,063 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 11:34:31,063 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 11:34:31,064 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 11:34:31,064 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 11:34:31,065 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 11:34:31,066 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 11:34:31,066 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 11:34:31,067 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 11:34:31,068 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 11:34:31,069 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 11:34:31,069 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 11:34:31,070 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 11:34:31,070 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 11:34:31,070 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 11:34:31,071 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 11:34:31,072 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 11:34:31,072 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd14b77a-cf03-4214-9e0a-efad4bfff349/bin/uautomizer-uyxdKDjOR8/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-12-13 11:34:31,094 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 11:34:31,094 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 11:34:31,100 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 11:34:31,101 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 11:34:31,101 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-13 11:34:31,101 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-13 11:34:31,102 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 11:34:31,102 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 11:34:31,102 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 11:34:31,103 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 11:34:31,103 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-13 11:34:31,103 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 11:34:31,103 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-13 11:34:31,103 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-13 11:34:31,103 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-13 11:34:31,104 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 11:34:31,104 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 11:34:31,104 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-13 11:34:31,104 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 11:34:31,104 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 11:34:31,105 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-13 11:34:31,105 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 11:34:31,105 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 11:34:31,105 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-13 11:34:31,105 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-13 11:34:31,105 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-13 11:34:31,106 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-13 11:34:31,106 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-12-13 11:34:31,106 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-13 11:34:31,106 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-12-13 11:34:31,106 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-13 11:34:31,106 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2022-12-13 11:34:31,107 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_fd14b77a-cf03-4214-9e0a-efad4bfff349/bin/uautomizer-uyxdKDjOR8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd14b77a-cf03-4214-9e0a-efad4bfff349/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fb94c2fb6abf8f6e03775b6f065b6f69f3e093cdc1a36a25e63dc191517ab003 [2022-12-13 11:34:31,285 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 11:34:31,305 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 11:34:31,308 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 11:34:31,309 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 11:34:31,309 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 11:34:31,310 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd14b77a-cf03-4214-9e0a-efad4bfff349/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/ldv-challenges/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-via-via-velocity.cil.i [2022-12-13 11:34:33,936 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 11:34:34,419 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 11:34:34,419 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd14b77a-cf03-4214-9e0a-efad4bfff349/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-via-via-velocity.cil.i [2022-12-13 11:34:34,462 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd14b77a-cf03-4214-9e0a-efad4bfff349/bin/uautomizer-uyxdKDjOR8/data/b618454e3/2c4b2cdc97684a5a8ef21925c18adb29/FLAGfe87ef912 [2022-12-13 11:34:34,477 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd14b77a-cf03-4214-9e0a-efad4bfff349/bin/uautomizer-uyxdKDjOR8/data/b618454e3/2c4b2cdc97684a5a8ef21925c18adb29 [2022-12-13 11:34:34,479 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 11:34:34,481 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 11:34:34,482 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 11:34:34,482 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 11:34:34,485 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 11:34:34,486 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 11:34:34" (1/1) ... [2022-12-13 11:34:34,487 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5d6d620c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:34:34, skipping insertion in model container [2022-12-13 11:34:34,487 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 11:34:34" (1/1) ... [2022-12-13 11:34:34,495 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 11:34:34,658 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 11:34:35,353 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-12-13 11:34:35,362 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-12-13 11:34:35,408 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock [2022-12-13 11:34:35,418 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irq [2022-12-13 11:34:35,426 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock [2022-12-13 11:34:35,435 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock_irq [2022-12-13 11:34:35,443 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock_irqrestore [2022-12-13 11:34:35,464 WARN L623 FunctionHandler]: Unknown extern function lock_acquire [2022-12-13 11:34:35,468 WARN L623 FunctionHandler]: Unknown extern function lock_release [2022-12-13 11:34:35,477 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-12-13 11:34:35,477 WARN L623 FunctionHandler]: Unknown extern function rcu_is_watching [2022-12-13 11:34:35,478 WARN L623 FunctionHandler]: Unknown extern function rcu_lockdep_current_cpu_online [2022-12-13 11:34:35,478 WARN L623 FunctionHandler]: Unknown extern function lock_is_held [2022-12-13 11:34:35,483 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-12-13 11:34:35,484 WARN L623 FunctionHandler]: Unknown extern function rcu_is_watching [2022-12-13 11:34:35,484 WARN L623 FunctionHandler]: Unknown extern function lockdep_rcu_suspicious [2022-12-13 11:34:35,491 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-12-13 11:34:35,491 WARN L623 FunctionHandler]: Unknown extern function rcu_is_watching [2022-12-13 11:34:35,491 WARN L623 FunctionHandler]: Unknown extern function lockdep_rcu_suspicious [2022-12-13 11:34:35,529 WARN L623 FunctionHandler]: Unknown extern function ioremap_nocache [2022-12-13 11:34:35,585 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 11:34:35,639 WARN L623 FunctionHandler]: Unknown extern function __phys_addr [2022-12-13 11:34:35,643 WARN L623 FunctionHandler]: Unknown extern function __phys_addr [2022-12-13 11:34:35,643 WARN L623 FunctionHandler]: Unknown extern function debug_dma_map_page [2022-12-13 11:34:35,649 WARN L623 FunctionHandler]: Unknown extern function debug_dma_unmap_page [2022-12-13 11:34:35,655 WARN L623 FunctionHandler]: Unknown extern function debug_dma_map_page [2022-12-13 11:34:35,661 WARN L623 FunctionHandler]: Unknown extern function debug_dma_sync_single_for_cpu [2022-12-13 11:34:35,667 WARN L623 FunctionHandler]: Unknown extern function debug_dma_sync_single_for_device [2022-12-13 11:34:35,683 WARN L623 FunctionHandler]: Unknown extern function debug_dma_alloc_coherent [2022-12-13 11:34:35,688 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-12-13 11:34:35,689 WARN L623 FunctionHandler]: Unknown extern function debug_dma_free_coherent [2022-12-13 11:34:35,740 WARN L623 FunctionHandler]: Unknown extern function __netdev_alloc_skb [2022-12-13 11:34:35,744 WARN L623 FunctionHandler]: Unknown extern function __netdev_alloc_skb [2022-12-13 11:34:35,761 WARN L623 FunctionHandler]: Unknown extern function skb_pad [2022-12-13 11:34:35,765 WARN L623 FunctionHandler]: Unknown extern function __pskb_pull_tail [2022-12-13 11:34:35,805 WARN L623 FunctionHandler]: Unknown extern function __might_sleep [2022-12-13 11:34:35,805 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-13 11:34:35,861 WARN L623 FunctionHandler]: Unknown extern function netpoll_trap [2022-12-13 11:34:35,862 WARN L623 FunctionHandler]: Unknown extern function __netif_schedule [2022-12-13 11:34:35,870 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-12-13 11:34:35,871 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 11:34:35,896 WARN L623 FunctionHandler]: Unknown extern function __dev_kfree_skb_irq [2022-12-13 11:34:35,960 WARN L623 FunctionHandler]: Unknown extern function __pci_enable_wake [2022-12-13 11:34:36,040 WARN L623 FunctionHandler]: Unknown extern function request_threaded_irq [2022-12-13 11:34:36,117 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-12-13 11:34:36,118 WARN L623 FunctionHandler]: Unknown extern function lockdep_rcu_suspicious [2022-12-13 11:34:36,144 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 11:34:36,171 WARN L623 FunctionHandler]: Unknown extern function pci_set_power_state [2022-12-13 11:34:36,199 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 11:34:36,207 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 11:34:36,234 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 11:34:36,235 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 11:34:36,241 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 11:34:36,242 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 11:34:36,260 WARN L623 FunctionHandler]: Unknown extern function find_first_bit [2022-12-13 11:34:36,262 WARN L623 FunctionHandler]: Unknown extern function find_next_bit [2022-12-13 11:34:36,300 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 11:34:36,307 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 11:34:36,307 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 11:34:36,329 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 11:34:36,360 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 11:34:36,363 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 11:34:36,364 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 11:34:36,374 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 11:34:36,374 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 11:34:36,375 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 11:34:36,375 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 11:34:36,376 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 11:34:36,376 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 11:34:36,377 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 11:34:36,377 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 11:34:36,378 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 11:34:36,378 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 11:34:36,379 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 11:34:36,379 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 11:34:36,380 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 11:34:36,393 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 11:34:36,394 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 11:34:36,395 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 11:34:36,438 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 11:34:36,438 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 11:34:36,457 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 11:34:36,485 WARN L623 FunctionHandler]: Unknown extern function consume_skb [2022-12-13 11:34:36,485 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 11:34:36,492 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 11:34:36,498 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 11:34:36,524 WARN L623 FunctionHandler]: Unknown extern function consume_skb [2022-12-13 11:34:36,530 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 11:34:36,542 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 11:34:36,545 WARN L623 FunctionHandler]: Unknown extern function netif_carrier_on [2022-12-13 11:34:36,545 WARN L623 FunctionHandler]: Unknown extern function netif_carrier_off [2022-12-13 11:34:36,580 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 11:34:36,582 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-12-13 11:34:36,582 WARN L623 FunctionHandler]: Unknown extern function eth_type_trans [2022-12-13 11:34:36,583 WARN L623 FunctionHandler]: Unknown extern function netif_receive_skb [2022-12-13 11:34:36,597 WARN L623 FunctionHandler]: Unknown extern function napi_complete [2022-12-13 11:34:36,604 WARN L623 FunctionHandler]: Unknown extern function __napi_schedule [2022-12-13 11:34:36,622 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 11:34:36,629 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 11:34:36,635 WARN L623 FunctionHandler]: Unknown extern function disable_irq [2022-12-13 11:34:36,635 WARN L623 FunctionHandler]: Unknown extern function enable_irq [2022-12-13 11:34:36,674 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-12-13 11:34:36,684 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-12-13 11:34:36,688 WARN L623 FunctionHandler]: Unknown extern function pci_set_master [2022-12-13 11:34:36,689 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 11:34:36,689 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 11:34:36,690 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 11:34:36,696 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 11:34:36,696 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 11:34:36,701 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 11:34:36,701 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 11:34:36,710 WARN L623 FunctionHandler]: Unknown extern function dev_notice [2022-12-13 11:34:36,711 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 11:34:36,712 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 11:34:36,712 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 11:34:36,714 WARN L623 FunctionHandler]: Unknown extern function dev_driver_string [2022-12-13 11:34:36,715 WARN L623 FunctionHandler]: Unknown extern function netif_napi_add [2022-12-13 11:34:36,716 WARN L623 FunctionHandler]: Unknown extern function netif_carrier_off [2022-12-13 11:34:36,716 WARN L623 FunctionHandler]: Unknown extern function netif_napi_del [2022-12-13 11:34:36,717 WARN L623 FunctionHandler]: Unknown extern function iounmap [2022-12-13 11:34:36,722 WARN L623 FunctionHandler]: Unknown extern function netif_napi_del [2022-12-13 11:34:36,722 WARN L623 FunctionHandler]: Unknown extern function iounmap [2022-12-13 11:34:36,727 WARN L623 FunctionHandler]: Unknown extern function pci_enable_device [2022-12-13 11:34:36,727 WARN L623 FunctionHandler]: Unknown extern function pci_request_regions [2022-12-13 11:34:36,727 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 11:34:36,728 WARN L623 FunctionHandler]: Unknown extern function pci_release_regions [2022-12-13 11:34:36,728 WARN L623 FunctionHandler]: Unknown extern function pci_disable_device [2022-12-13 11:34:36,732 WARN L623 FunctionHandler]: Unknown extern function pci_release_regions [2022-12-13 11:34:36,733 WARN L623 FunctionHandler]: Unknown extern function pci_disable_device [2022-12-13 11:34:36,747 WARN L623 FunctionHandler]: Unknown extern function crc_ccitt [2022-12-13 11:34:36,748 WARN L623 FunctionHandler]: Unknown extern function bitrev32 [2022-12-13 11:34:36,767 WARN L623 FunctionHandler]: Unknown extern function netif_device_detach [2022-12-13 11:34:36,767 WARN L623 FunctionHandler]: Unknown extern function pci_save_state [2022-12-13 11:34:36,768 WARN L623 FunctionHandler]: Unknown extern function pci_disable_device [2022-12-13 11:34:36,779 WARN L623 FunctionHandler]: Unknown extern function pci_restore_state [2022-12-13 11:34:36,780 WARN L623 FunctionHandler]: Unknown extern function netif_device_attach [2022-12-13 11:34:36,808 WARN L623 FunctionHandler]: Unknown extern function strlcpy [2022-12-13 11:34:36,809 WARN L623 FunctionHandler]: Unknown extern function strlcpy [2022-12-13 11:34:36,809 WARN L623 FunctionHandler]: Unknown extern function strlcpy [2022-12-13 11:34:36,809 WARN L623 FunctionHandler]: Unknown extern function strlcpy [2022-12-13 11:34:37,239 WARN L623 FunctionHandler]: Unknown extern function eth_mac_addr [2022-12-13 11:34:37,240 WARN L623 FunctionHandler]: Unknown extern function eth_validate_addr [2022-12-13 11:34:37,243 WARN L623 FunctionHandler]: Unknown extern function ldv_initialize [2022-12-13 11:34:37,244 WARN L623 FunctionHandler]: Unknown extern function ldv_switch_to_interrupt_context [2022-12-13 11:34:37,244 WARN L623 FunctionHandler]: Unknown extern function ldv_switch_to_process_context [2022-12-13 11:34:37,251 WARN L623 FunctionHandler]: Unknown extern function ldv_pre_probe [2022-12-13 11:34:37,255 WARN L623 FunctionHandler]: Unknown extern function ldv_pre_probe [2022-12-13 11:34:37,265 WARN L623 FunctionHandler]: Unknown extern function ldv_pre_register_netdev [2022-12-13 11:34:37,271 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-12-13 11:34:37,273 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-12-13 11:34:37,273 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-12-13 11:34:37,273 WARN L623 FunctionHandler]: Unknown extern function free_irq [2022-12-13 11:34:37,274 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-12-13 11:34:37,274 WARN L623 FunctionHandler]: Unknown extern function alloc_etherdev_mqs [2022-12-13 11:34:37,275 WARN L623 FunctionHandler]: Unknown extern function register_netdev [2022-12-13 11:34:37,275 WARN L623 FunctionHandler]: Unknown extern function free_netdev [2022-12-13 11:34:37,276 WARN L623 FunctionHandler]: Unknown extern function unregister_netdev [2022-12-13 11:34:37,276 WARN L623 FunctionHandler]: Unknown extern function free_netdev [2022-12-13 11:34:37,276 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-12-13 11:34:37,277 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-12-13 11:34:37,277 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-12-13 11:34:37,277 WARN L623 FunctionHandler]: Unknown extern function register_inetaddr_notifier [2022-12-13 11:34:37,278 WARN L623 FunctionHandler]: Unknown extern function unregister_inetaddr_notifier [2022-12-13 11:34:37,278 WARN L623 FunctionHandler]: Unknown extern function __pci_register_driver [2022-12-13 11:34:37,279 WARN L623 FunctionHandler]: Unknown extern function __platform_driver_register [2022-12-13 11:34:37,279 WARN L623 FunctionHandler]: Unknown extern function pci_unregister_driver [2022-12-13 11:34:37,279 WARN L623 FunctionHandler]: Unknown extern function platform_driver_unregister [2022-12-13 11:34:37,319 WARN L623 FunctionHandler]: Unknown extern function ldv_check_alloc_flags [2022-12-13 11:34:37,320 WARN L623 FunctionHandler]: Unknown extern function ldv_after_alloc [2022-12-13 11:34:37,328 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-13 11:34:37,912 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd14b77a-cf03-4214-9e0a-efad4bfff349/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-via-via-velocity.cil.i[464169,464182] [2022-12-13 11:34:37,916 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd14b77a-cf03-4214-9e0a-efad4bfff349/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-via-via-velocity.cil.i[464338,464351] [2022-12-13 11:34:37,916 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd14b77a-cf03-4214-9e0a-efad4bfff349/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-via-via-velocity.cil.i[464505,464518] [2022-12-13 11:34:37,917 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd14b77a-cf03-4214-9e0a-efad4bfff349/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-via-via-velocity.cil.i[464673,464686] [2022-12-13 11:34:37,917 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 11:34:37,919 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 11:34:37,920 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 11:34:37,920 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 11:34:37,932 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 11:34:37,933 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 11:34:37,940 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 11:34:38,015 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 11:34:38,108 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-12-13 11:34:38,108 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-12-13 11:34:38,109 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock [2022-12-13 11:34:38,109 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irq [2022-12-13 11:34:38,110 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock [2022-12-13 11:34:38,110 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock_irq [2022-12-13 11:34:38,110 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock_irqrestore [2022-12-13 11:34:38,111 WARN L623 FunctionHandler]: Unknown extern function lock_acquire [2022-12-13 11:34:38,111 WARN L623 FunctionHandler]: Unknown extern function lock_release [2022-12-13 11:34:38,111 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-12-13 11:34:38,112 WARN L623 FunctionHandler]: Unknown extern function rcu_is_watching [2022-12-13 11:34:38,112 WARN L623 FunctionHandler]: Unknown extern function rcu_lockdep_current_cpu_online [2022-12-13 11:34:38,112 WARN L623 FunctionHandler]: Unknown extern function lock_is_held [2022-12-13 11:34:38,112 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-12-13 11:34:38,112 WARN L623 FunctionHandler]: Unknown extern function rcu_is_watching [2022-12-13 11:34:38,113 WARN L623 FunctionHandler]: Unknown extern function lockdep_rcu_suspicious [2022-12-13 11:34:38,113 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-12-13 11:34:38,113 WARN L623 FunctionHandler]: Unknown extern function rcu_is_watching [2022-12-13 11:34:38,113 WARN L623 FunctionHandler]: Unknown extern function lockdep_rcu_suspicious [2022-12-13 11:34:38,114 WARN L623 FunctionHandler]: Unknown extern function ioremap_nocache [2022-12-13 11:34:38,115 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 11:34:38,120 WARN L623 FunctionHandler]: Unknown extern function __phys_addr [2022-12-13 11:34:38,121 WARN L623 FunctionHandler]: Unknown extern function __phys_addr [2022-12-13 11:34:38,121 WARN L623 FunctionHandler]: Unknown extern function debug_dma_map_page [2022-12-13 11:34:38,122 WARN L623 FunctionHandler]: Unknown extern function debug_dma_unmap_page [2022-12-13 11:34:38,123 WARN L623 FunctionHandler]: Unknown extern function debug_dma_map_page [2022-12-13 11:34:38,123 WARN L623 FunctionHandler]: Unknown extern function debug_dma_sync_single_for_cpu [2022-12-13 11:34:38,124 WARN L623 FunctionHandler]: Unknown extern function debug_dma_sync_single_for_device [2022-12-13 11:34:38,125 WARN L623 FunctionHandler]: Unknown extern function debug_dma_alloc_coherent [2022-12-13 11:34:38,126 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-12-13 11:34:38,126 WARN L623 FunctionHandler]: Unknown extern function debug_dma_free_coherent [2022-12-13 11:34:38,127 WARN L623 FunctionHandler]: Unknown extern function __netdev_alloc_skb [2022-12-13 11:34:38,128 WARN L623 FunctionHandler]: Unknown extern function __netdev_alloc_skb [2022-12-13 11:34:38,129 WARN L623 FunctionHandler]: Unknown extern function skb_pad [2022-12-13 11:34:38,129 WARN L623 FunctionHandler]: Unknown extern function __pskb_pull_tail [2022-12-13 11:34:38,131 WARN L623 FunctionHandler]: Unknown extern function __might_sleep [2022-12-13 11:34:38,131 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-13 11:34:38,132 WARN L623 FunctionHandler]: Unknown extern function netpoll_trap [2022-12-13 11:34:38,133 WARN L623 FunctionHandler]: Unknown extern function __netif_schedule [2022-12-13 11:34:38,133 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-12-13 11:34:38,134 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 11:34:38,134 WARN L623 FunctionHandler]: Unknown extern function __dev_kfree_skb_irq [2022-12-13 11:34:38,135 WARN L623 FunctionHandler]: Unknown extern function __pci_enable_wake [2022-12-13 11:34:38,136 WARN L623 FunctionHandler]: Unknown extern function request_threaded_irq [2022-12-13 11:34:38,149 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-12-13 11:34:38,149 WARN L623 FunctionHandler]: Unknown extern function lockdep_rcu_suspicious [2022-12-13 11:34:38,151 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 11:34:38,158 WARN L623 FunctionHandler]: Unknown extern function pci_set_power_state [2022-12-13 11:34:38,161 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 11:34:38,162 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 11:34:38,166 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 11:34:38,166 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 11:34:38,167 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 11:34:38,167 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 11:34:38,170 WARN L623 FunctionHandler]: Unknown extern function find_first_bit [2022-12-13 11:34:38,171 WARN L623 FunctionHandler]: Unknown extern function find_next_bit [2022-12-13 11:34:38,174 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 11:34:38,174 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 11:34:38,175 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 11:34:38,177 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 11:34:38,196 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 11:34:38,197 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 11:34:38,198 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 11:34:38,200 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 11:34:38,200 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 11:34:38,200 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 11:34:38,201 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 11:34:38,201 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 11:34:38,201 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 11:34:38,201 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 11:34:38,202 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 11:34:38,202 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 11:34:38,202 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 11:34:38,203 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 11:34:38,203 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 11:34:38,203 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 11:34:38,204 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 11:34:38,205 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 11:34:38,205 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 11:34:38,215 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 11:34:38,215 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 11:34:38,221 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 11:34:38,225 WARN L623 FunctionHandler]: Unknown extern function consume_skb [2022-12-13 11:34:38,225 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 11:34:38,226 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 11:34:38,226 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 11:34:38,229 WARN L623 FunctionHandler]: Unknown extern function consume_skb [2022-12-13 11:34:38,230 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 11:34:38,231 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 11:34:38,232 WARN L623 FunctionHandler]: Unknown extern function netif_carrier_on [2022-12-13 11:34:38,232 WARN L623 FunctionHandler]: Unknown extern function netif_carrier_off [2022-12-13 11:34:38,237 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 11:34:38,238 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-12-13 11:34:38,238 WARN L623 FunctionHandler]: Unknown extern function eth_type_trans [2022-12-13 11:34:38,239 WARN L623 FunctionHandler]: Unknown extern function netif_receive_skb [2022-12-13 11:34:38,241 WARN L623 FunctionHandler]: Unknown extern function napi_complete [2022-12-13 11:34:38,242 WARN L623 FunctionHandler]: Unknown extern function __napi_schedule [2022-12-13 11:34:38,243 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 11:34:38,247 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 11:34:38,248 WARN L623 FunctionHandler]: Unknown extern function disable_irq [2022-12-13 11:34:38,248 WARN L623 FunctionHandler]: Unknown extern function enable_irq [2022-12-13 11:34:38,251 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-12-13 11:34:38,255 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-12-13 11:34:38,256 WARN L623 FunctionHandler]: Unknown extern function pci_set_master [2022-12-13 11:34:38,256 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 11:34:38,257 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 11:34:38,257 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 11:34:38,258 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 11:34:38,259 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 11:34:38,259 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 11:34:38,260 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 11:34:38,260 WARN L623 FunctionHandler]: Unknown extern function dev_notice [2022-12-13 11:34:38,261 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 11:34:38,262 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 11:34:38,262 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 11:34:38,263 WARN L623 FunctionHandler]: Unknown extern function dev_driver_string [2022-12-13 11:34:38,263 WARN L623 FunctionHandler]: Unknown extern function netif_napi_add [2022-12-13 11:34:38,264 WARN L623 FunctionHandler]: Unknown extern function netif_carrier_off [2022-12-13 11:34:38,264 WARN L623 FunctionHandler]: Unknown extern function netif_napi_del [2022-12-13 11:34:38,264 WARN L623 FunctionHandler]: Unknown extern function iounmap [2022-12-13 11:34:38,265 WARN L623 FunctionHandler]: Unknown extern function netif_napi_del [2022-12-13 11:34:38,265 WARN L623 FunctionHandler]: Unknown extern function iounmap [2022-12-13 11:34:38,265 WARN L623 FunctionHandler]: Unknown extern function pci_enable_device [2022-12-13 11:34:38,266 WARN L623 FunctionHandler]: Unknown extern function pci_request_regions [2022-12-13 11:34:38,266 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 11:34:38,266 WARN L623 FunctionHandler]: Unknown extern function pci_release_regions [2022-12-13 11:34:38,266 WARN L623 FunctionHandler]: Unknown extern function pci_disable_device [2022-12-13 11:34:38,267 WARN L623 FunctionHandler]: Unknown extern function pci_release_regions [2022-12-13 11:34:38,267 WARN L623 FunctionHandler]: Unknown extern function pci_disable_device [2022-12-13 11:34:38,268 WARN L623 FunctionHandler]: Unknown extern function crc_ccitt [2022-12-13 11:34:38,268 WARN L623 FunctionHandler]: Unknown extern function bitrev32 [2022-12-13 11:34:38,274 WARN L623 FunctionHandler]: Unknown extern function netif_device_detach [2022-12-13 11:34:38,275 WARN L623 FunctionHandler]: Unknown extern function pci_save_state [2022-12-13 11:34:38,275 WARN L623 FunctionHandler]: Unknown extern function pci_disable_device [2022-12-13 11:34:38,277 WARN L623 FunctionHandler]: Unknown extern function pci_restore_state [2022-12-13 11:34:38,278 WARN L623 FunctionHandler]: Unknown extern function netif_device_attach [2022-12-13 11:34:38,283 WARN L623 FunctionHandler]: Unknown extern function strlcpy [2022-12-13 11:34:38,283 WARN L623 FunctionHandler]: Unknown extern function strlcpy [2022-12-13 11:34:38,284 WARN L623 FunctionHandler]: Unknown extern function strlcpy [2022-12-13 11:34:38,284 WARN L623 FunctionHandler]: Unknown extern function strlcpy [2022-12-13 11:34:38,294 WARN L623 FunctionHandler]: Unknown extern function eth_mac_addr [2022-12-13 11:34:38,295 WARN L623 FunctionHandler]: Unknown extern function eth_validate_addr [2022-12-13 11:34:38,296 WARN L623 FunctionHandler]: Unknown extern function ldv_initialize [2022-12-13 11:34:38,297 WARN L623 FunctionHandler]: Unknown extern function ldv_switch_to_interrupt_context [2022-12-13 11:34:38,298 WARN L623 FunctionHandler]: Unknown extern function ldv_switch_to_process_context [2022-12-13 11:34:38,302 WARN L623 FunctionHandler]: Unknown extern function ldv_pre_probe [2022-12-13 11:34:38,304 WARN L623 FunctionHandler]: Unknown extern function ldv_pre_probe [2022-12-13 11:34:38,314 WARN L623 FunctionHandler]: Unknown extern function ldv_pre_register_netdev [2022-12-13 11:34:38,328 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-12-13 11:34:38,329 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-12-13 11:34:38,329 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-12-13 11:34:38,330 WARN L623 FunctionHandler]: Unknown extern function free_irq [2022-12-13 11:34:38,330 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-12-13 11:34:38,330 WARN L623 FunctionHandler]: Unknown extern function alloc_etherdev_mqs [2022-12-13 11:34:38,330 WARN L623 FunctionHandler]: Unknown extern function register_netdev [2022-12-13 11:34:38,331 WARN L623 FunctionHandler]: Unknown extern function free_netdev [2022-12-13 11:34:38,331 WARN L623 FunctionHandler]: Unknown extern function unregister_netdev [2022-12-13 11:34:38,331 WARN L623 FunctionHandler]: Unknown extern function free_netdev [2022-12-13 11:34:38,331 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-12-13 11:34:38,332 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-12-13 11:34:38,332 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-12-13 11:34:38,332 WARN L623 FunctionHandler]: Unknown extern function register_inetaddr_notifier [2022-12-13 11:34:38,332 WARN L623 FunctionHandler]: Unknown extern function unregister_inetaddr_notifier [2022-12-13 11:34:38,333 WARN L623 FunctionHandler]: Unknown extern function __pci_register_driver [2022-12-13 11:34:38,333 WARN L623 FunctionHandler]: Unknown extern function __platform_driver_register [2022-12-13 11:34:38,333 WARN L623 FunctionHandler]: Unknown extern function pci_unregister_driver [2022-12-13 11:34:38,333 WARN L623 FunctionHandler]: Unknown extern function platform_driver_unregister [2022-12-13 11:34:38,335 WARN L623 FunctionHandler]: Unknown extern function ldv_check_alloc_flags [2022-12-13 11:34:38,335 WARN L623 FunctionHandler]: Unknown extern function ldv_after_alloc [2022-12-13 11:34:38,336 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-13 11:34:38,350 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd14b77a-cf03-4214-9e0a-efad4bfff349/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-via-via-velocity.cil.i[464169,464182] [2022-12-13 11:34:38,350 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd14b77a-cf03-4214-9e0a-efad4bfff349/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-via-via-velocity.cil.i[464338,464351] [2022-12-13 11:34:38,351 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd14b77a-cf03-4214-9e0a-efad4bfff349/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-via-via-velocity.cil.i[464505,464518] [2022-12-13 11:34:38,351 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd14b77a-cf03-4214-9e0a-efad4bfff349/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-via-via-velocity.cil.i[464673,464686] [2022-12-13 11:34:38,351 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 11:34:38,353 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 11:34:38,354 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 11:34:38,354 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 11:34:38,355 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 11:34:38,355 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 11:34:38,357 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 11:34:38,606 INFO L208 MainTranslator]: Completed translation [2022-12-13 11:34:38,607 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:34:38 WrapperNode [2022-12-13 11:34:38,607 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 11:34:38,608 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 11:34:38,608 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 11:34:38,608 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 11:34:38,615 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:34:38" (1/1) ... [2022-12-13 11:34:38,702 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:34:38" (1/1) ... [2022-12-13 11:34:38,897 INFO L138 Inliner]: procedures = 619, calls = 3797, calls flagged for inlining = 333, calls inlined = 296, statements flattened = 8563 [2022-12-13 11:34:38,898 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 11:34:38,898 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 11:34:38,899 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 11:34:38,899 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 11:34:38,940 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:34:38" (1/1) ... [2022-12-13 11:34:38,940 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:34:38" (1/1) ... [2022-12-13 11:34:38,976 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:34:38" (1/1) ... [2022-12-13 11:34:38,976 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:34:38" (1/1) ... [2022-12-13 11:34:39,087 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:34:38" (1/1) ... [2022-12-13 11:34:39,101 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:34:38" (1/1) ... [2022-12-13 11:34:39,126 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:34:38" (1/1) ... [2022-12-13 11:34:39,138 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:34:38" (1/1) ... [2022-12-13 11:34:39,176 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 11:34:39,176 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 11:34:39,177 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 11:34:39,177 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 11:34:39,177 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:34:38" (1/1) ... [2022-12-13 11:34:39,182 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 11:34:39,189 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd14b77a-cf03-4214-9e0a-efad4bfff349/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 11:34:39,200 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd14b77a-cf03-4214-9e0a-efad4bfff349/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-13 11:34:39,201 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd14b77a-cf03-4214-9e0a-efad4bfff349/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-13 11:34:39,234 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2022-12-13 11:34:39,234 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2022-12-13 11:34:39,234 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-12-13 11:34:39,234 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-12-13 11:34:39,234 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_84 [2022-12-13 11:34:39,234 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_84 [2022-12-13 11:34:39,262 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2022-12-13 11:34:39,262 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2022-12-13 11:34:39,262 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2022-12-13 11:34:39,262 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_lockdep_rcu_enabled [2022-12-13 11:34:39,262 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-12-13 11:34:39,262 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-12-13 11:34:39,262 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-12-13 11:34:39,262 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-12-13 11:34:39,262 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irq_80 [2022-12-13 11:34:39,263 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irq_80 [2022-12-13 11:34:39,263 INFO L130 BoogieDeclarations]: Found specification of procedure netif_napi_del [2022-12-13 11:34:39,263 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_napi_del [2022-12-13 11:34:39,263 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-12-13 11:34:39,263 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-12-13 11:34:39,263 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2022-12-13 11:34:39,263 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2022-12-13 11:34:39,263 INFO L130 BoogieDeclarations]: Found specification of procedure velocity_resume [2022-12-13 11:34:39,263 INFO L138 BoogieDeclarations]: Found implementation of procedure velocity_resume [2022-12-13 11:34:39,263 INFO L130 BoogieDeclarations]: Found specification of procedure velocity_print_link_status [2022-12-13 11:34:39,263 INFO L138 BoogieDeclarations]: Found implementation of procedure velocity_print_link_status [2022-12-13 11:34:39,263 INFO L130 BoogieDeclarations]: Found specification of procedure velocity_init_registers [2022-12-13 11:34:39,263 INFO L138 BoogieDeclarations]: Found implementation of procedure velocity_init_registers [2022-12-13 11:34:39,264 INFO L130 BoogieDeclarations]: Found specification of procedure velocity_mii_write [2022-12-13 11:34:39,264 INFO L138 BoogieDeclarations]: Found implementation of procedure velocity_mii_write [2022-12-13 11:34:39,264 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-12-13 11:34:39,264 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-12-13 11:34:39,264 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2022-12-13 11:34:39,264 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2022-12-13 11:34:39,264 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2022-12-13 11:34:39,264 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2022-12-13 11:34:39,264 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2022-12-13 11:34:39,264 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2022-12-13 11:34:39,264 INFO L130 BoogieDeclarations]: Found specification of procedure velocity_platform_remove [2022-12-13 11:34:39,264 INFO L138 BoogieDeclarations]: Found implementation of procedure velocity_platform_remove [2022-12-13 11:34:39,264 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-12-13 11:34:39,265 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-12-13 11:34:39,265 INFO L130 BoogieDeclarations]: Found specification of procedure enable_flow_control_ability [2022-12-13 11:34:39,265 INFO L138 BoogieDeclarations]: Found implementation of procedure enable_flow_control_ability [2022-12-13 11:34:39,265 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-13 11:34:39,265 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2022-12-13 11:34:39,265 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2022-12-13 11:34:39,265 INFO L130 BoogieDeclarations]: Found specification of procedure set_pending_timer_val [2022-12-13 11:34:39,265 INFO L138 BoogieDeclarations]: Found implementation of procedure set_pending_timer_val [2022-12-13 11:34:39,265 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-12-13 11:34:39,265 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-12-13 11:34:39,265 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-12-13 11:34:39,265 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-12-13 11:34:39,265 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-12-13 11:34:39,266 INFO L130 BoogieDeclarations]: Found specification of procedure velocity_ethtool_up [2022-12-13 11:34:39,266 INFO L138 BoogieDeclarations]: Found implementation of procedure velocity_ethtool_up [2022-12-13 11:34:39,266 INFO L130 BoogieDeclarations]: Found specification of procedure mac_wol_reset [2022-12-13 11:34:39,266 INFO L138 BoogieDeclarations]: Found implementation of procedure mac_wol_reset [2022-12-13 11:34:39,266 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-12-13 11:34:39,266 INFO L130 BoogieDeclarations]: Found specification of procedure velocity_ethtool_down [2022-12-13 11:34:39,266 INFO L138 BoogieDeclarations]: Found implementation of procedure velocity_ethtool_down [2022-12-13 11:34:39,267 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-12-13 11:34:39,267 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-12-13 11:34:39,267 INFO L130 BoogieDeclarations]: Found specification of procedure mac_set_vlan_cam_mask [2022-12-13 11:34:39,267 INFO L138 BoogieDeclarations]: Found implementation of procedure mac_set_vlan_cam_mask [2022-12-13 11:34:39,267 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-13 11:34:39,267 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2022-12-13 11:34:39,267 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2022-12-13 11:34:39,268 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-12-13 11:34:39,268 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-12-13 11:34:39,268 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2022-12-13 11:34:39,268 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2022-12-13 11:34:39,268 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2022-12-13 11:34:39,268 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2022-12-13 11:34:39,268 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_is_watching [2022-12-13 11:34:39,268 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_is_watching [2022-12-13 11:34:39,269 INFO L130 BoogieDeclarations]: Found specification of procedure velocity_get_opt_media_mode [2022-12-13 11:34:39,269 INFO L138 BoogieDeclarations]: Found implementation of procedure velocity_get_opt_media_mode [2022-12-13 11:34:39,269 INFO L130 BoogieDeclarations]: Found specification of procedure velocity_tx_srv [2022-12-13 11:34:39,269 INFO L138 BoogieDeclarations]: Found implementation of procedure velocity_tx_srv [2022-12-13 11:34:39,269 INFO L130 BoogieDeclarations]: Found specification of procedure __netdev_alloc_skb [2022-12-13 11:34:39,269 INFO L138 BoogieDeclarations]: Found implementation of procedure __netdev_alloc_skb [2022-12-13 11:34:39,269 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2022-12-13 11:34:39,269 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2022-12-13 11:34:39,269 INFO L130 BoogieDeclarations]: Found specification of procedure napi_enable [2022-12-13 11:34:39,269 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_enable [2022-12-13 11:34:39,269 INFO L130 BoogieDeclarations]: Found specification of procedure velocity_rx_refill [2022-12-13 11:34:39,269 INFO L138 BoogieDeclarations]: Found implementation of procedure velocity_rx_refill [2022-12-13 11:34:39,269 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2022-12-13 11:34:39,269 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2022-12-13 11:34:39,269 INFO L130 BoogieDeclarations]: Found specification of procedure mii_set_auto_on [2022-12-13 11:34:39,270 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_set_auto_on [2022-12-13 11:34:39,270 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-12-13 11:34:39,270 INFO L130 BoogieDeclarations]: Found specification of procedure velocity_save_context [2022-12-13 11:34:39,270 INFO L138 BoogieDeclarations]: Found implementation of procedure velocity_save_context [2022-12-13 11:34:39,270 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_single_attrs [2022-12-13 11:34:39,270 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_single_attrs [2022-12-13 11:34:39,270 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-13 11:34:39,270 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-12-13 11:34:39,270 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-12-13 11:34:39,270 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-12-13 11:34:39,270 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-12-13 11:34:39,270 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-12-13 11:34:39,270 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-12-13 11:34:39,270 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-12-13 11:34:39,270 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-12-13 11:34:39,271 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2022-12-13 11:34:39,271 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2022-12-13 11:34:39,271 INFO L130 BoogieDeclarations]: Found specification of procedure velocity_update_hw_mibs [2022-12-13 11:34:39,271 INFO L138 BoogieDeclarations]: Found implementation of procedure velocity_update_hw_mibs [2022-12-13 11:34:39,271 INFO L130 BoogieDeclarations]: Found specification of procedure velocity_shutdown [2022-12-13 11:34:39,271 INFO L138 BoogieDeclarations]: Found implementation of procedure velocity_shutdown [2022-12-13 11:34:39,271 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2022-12-13 11:34:39,271 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2022-12-13 11:34:39,271 INFO L130 BoogieDeclarations]: Found specification of procedure setup_queue_timers [2022-12-13 11:34:39,271 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_queue_timers [2022-12-13 11:34:39,271 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_map_page [2022-12-13 11:34:39,271 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_map_page [2022-12-13 11:34:39,271 INFO L130 BoogieDeclarations]: Found specification of procedure napi_disable [2022-12-13 11:34:39,271 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_disable [2022-12-13 11:34:39,271 INFO L130 BoogieDeclarations]: Found specification of procedure velocity_free_rd_ring [2022-12-13 11:34:39,271 INFO L138 BoogieDeclarations]: Found implementation of procedure velocity_free_rd_ring [2022-12-13 11:34:39,272 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-12-13 11:34:39,272 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-12-13 11:34:39,272 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2022-12-13 11:34:39,272 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2022-12-13 11:34:39,272 INFO L130 BoogieDeclarations]: Found specification of procedure velocity_free_dma_rings [2022-12-13 11:34:39,272 INFO L138 BoogieDeclarations]: Found implementation of procedure velocity_free_dma_rings [2022-12-13 11:34:39,272 INFO L130 BoogieDeclarations]: Found specification of procedure safe_disable_mii_autopoll [2022-12-13 11:34:39,272 INFO L138 BoogieDeclarations]: Found implementation of procedure safe_disable_mii_autopoll [2022-12-13 11:34:39,272 INFO L130 BoogieDeclarations]: Found specification of procedure skb_frag_size [2022-12-13 11:34:39,272 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_frag_size [2022-12-13 11:34:39,272 INFO L130 BoogieDeclarations]: Found specification of procedure get_pending_timer_val [2022-12-13 11:34:39,272 INFO L138 BoogieDeclarations]: Found implementation of procedure get_pending_timer_val [2022-12-13 11:34:39,272 INFO L130 BoogieDeclarations]: Found specification of procedure velocity_unregister_notifier [2022-12-13 11:34:39,272 INFO L138 BoogieDeclarations]: Found implementation of procedure velocity_unregister_notifier [2022-12-13 11:34:39,272 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2022-12-13 11:34:39,272 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2022-12-13 11:34:39,272 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-12-13 11:34:39,272 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-12-13 11:34:39,272 INFO L130 BoogieDeclarations]: Found specification of procedure writeb [2022-12-13 11:34:39,272 INFO L138 BoogieDeclarations]: Found implementation of procedure writeb [2022-12-13 11:34:39,272 INFO L130 BoogieDeclarations]: Found specification of procedure writew [2022-12-13 11:34:39,272 INFO L138 BoogieDeclarations]: Found implementation of procedure writew [2022-12-13 11:34:39,273 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 11:34:39,273 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 11:34:39,273 INFO L130 BoogieDeclarations]: Found specification of procedure velocity_set_media_mode [2022-12-13 11:34:39,273 INFO L138 BoogieDeclarations]: Found implementation of procedure velocity_set_media_mode [2022-12-13 11:34:39,273 INFO L130 BoogieDeclarations]: Found specification of procedure velocity_init_cam_filter [2022-12-13 11:34:39,273 INFO L138 BoogieDeclarations]: Found implementation of procedure velocity_init_cam_filter [2022-12-13 11:34:39,273 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-12-13 11:34:39,273 INFO L130 BoogieDeclarations]: Found specification of procedure velocity_probe [2022-12-13 11:34:39,273 INFO L138 BoogieDeclarations]: Found implementation of procedure velocity_probe [2022-12-13 11:34:39,273 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-12-13 11:34:39,273 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-12-13 11:34:39,273 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-12-13 11:34:39,273 INFO L130 BoogieDeclarations]: Found specification of procedure velocity_pci_remove [2022-12-13 11:34:39,273 INFO L138 BoogieDeclarations]: Found implementation of procedure velocity_pci_remove [2022-12-13 11:34:39,273 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2022-12-13 11:34:39,273 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2022-12-13 11:34:39,273 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-12-13 11:34:39,273 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-12-13 11:34:39,273 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2022-12-13 11:34:39,273 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2022-12-13 11:34:39,273 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_lock_of_velocity_info [2022-12-13 11:34:39,273 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_lock_of_velocity_info [2022-12-13 11:34:39,273 INFO L130 BoogieDeclarations]: Found specification of procedure velocity_init_rings [2022-12-13 11:34:39,273 INFO L138 BoogieDeclarations]: Found implementation of procedure velocity_init_rings [2022-12-13 11:34:39,274 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2022-12-13 11:34:39,274 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2022-12-13 11:34:39,274 INFO L130 BoogieDeclarations]: Found specification of procedure enable_mii_autopoll [2022-12-13 11:34:39,274 INFO L138 BoogieDeclarations]: Found implementation of procedure enable_mii_autopoll [2022-12-13 11:34:39,274 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_cmd_speed_set [2022-12-13 11:34:39,274 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_cmd_speed_set [2022-12-13 11:34:39,274 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-12-13 11:34:39,274 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-12-13 11:34:39,274 INFO L130 BoogieDeclarations]: Found specification of procedure kcalloc [2022-12-13 11:34:39,274 INFO L138 BoogieDeclarations]: Found implementation of procedure kcalloc [2022-12-13 11:34:39,274 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2022-12-13 11:34:39,274 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2022-12-13 11:34:39,274 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_post_probe [2022-12-13 11:34:39,274 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_post_probe [2022-12-13 11:34:39,274 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata [2022-12-13 11:34:39,274 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata [2022-12-13 11:34:39,274 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_irq_79 [2022-12-13 11:34:39,274 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_irq_79 [2022-12-13 11:34:39,274 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_single_attrs [2022-12-13 11:34:39,274 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_single_attrs [2022-12-13 11:34:39,274 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2022-12-13 11:34:39,274 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2022-12-13 11:34:39,274 INFO L130 BoogieDeclarations]: Found specification of procedure netif_start_queue [2022-12-13 11:34:39,274 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_start_queue [2022-12-13 11:34:39,275 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-13 11:34:39,275 INFO L130 BoogieDeclarations]: Found specification of procedure velocity_set_int_opt [2022-12-13 11:34:39,275 INFO L138 BoogieDeclarations]: Found implementation of procedure velocity_set_int_opt [2022-12-13 11:34:39,275 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2022-12-13 11:34:39,275 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2022-12-13 11:34:39,275 INFO L130 BoogieDeclarations]: Found specification of procedure mac_set_cam_mask [2022-12-13 11:34:39,275 INFO L138 BoogieDeclarations]: Found implementation of procedure mac_set_cam_mask [2022-12-13 11:34:39,275 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-12-13 11:34:39,275 INFO L130 BoogieDeclarations]: Found specification of procedure velocity_suspend [2022-12-13 11:34:39,275 INFO L138 BoogieDeclarations]: Found implementation of procedure velocity_suspend [2022-12-13 11:34:39,275 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_wake [2022-12-13 11:34:39,275 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_wake [2022-12-13 11:34:39,275 INFO L130 BoogieDeclarations]: Found specification of procedure velocity_get_ip [2022-12-13 11:34:39,275 INFO L138 BoogieDeclarations]: Found implementation of procedure velocity_get_ip [2022-12-13 11:34:39,275 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-12-13 11:34:39,275 INFO L130 BoogieDeclarations]: Found specification of procedure velocity_get_link [2022-12-13 11:34:39,275 INFO L138 BoogieDeclarations]: Found implementation of procedure velocity_get_link [2022-12-13 11:34:39,275 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2022-12-13 11:34:39,275 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2022-12-13 11:34:39,275 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pre_probe [2022-12-13 11:34:39,275 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pre_probe [2022-12-13 11:34:39,275 INFO L130 BoogieDeclarations]: Found specification of procedure setup_adaptive_interrupts [2022-12-13 11:34:39,275 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_adaptive_interrupts [2022-12-13 11:34:39,275 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-12-13 11:34:39,276 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-12-13 11:34:39,276 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-12-13 11:34:39,276 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-12-13 11:34:39,276 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-12-13 11:34:39,276 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-12-13 11:34:39,276 INFO L130 BoogieDeclarations]: Found specification of procedure velocity_set_power_state [2022-12-13 11:34:39,276 INFO L138 BoogieDeclarations]: Found implementation of procedure velocity_set_power_state [2022-12-13 11:34:39,276 INFO L130 BoogieDeclarations]: Found specification of procedure velocity_close [2022-12-13 11:34:39,276 INFO L138 BoogieDeclarations]: Found implementation of procedure velocity_close [2022-12-13 11:34:39,276 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2022-12-13 11:34:39,276 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2022-12-13 11:34:39,276 INFO L130 BoogieDeclarations]: Found specification of procedure velocity_set_bool_opt [2022-12-13 11:34:39,276 INFO L138 BoogieDeclarations]: Found implementation of procedure velocity_set_bool_opt [2022-12-13 11:34:39,276 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2022-12-13 11:34:39,276 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2022-12-13 11:34:39,276 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-12-13 11:34:39,276 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-12-13 11:34:39,276 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-12-13 11:34:39,276 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-12-13 11:34:39,276 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-12-13 11:34:39,276 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-12-13 11:34:39,276 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-13 11:34:39,276 INFO L130 BoogieDeclarations]: Found specification of procedure velocity_free_rings [2022-12-13 11:34:39,276 INFO L138 BoogieDeclarations]: Found implementation of procedure velocity_free_rings [2022-12-13 11:34:39,276 INFO L130 BoogieDeclarations]: Found specification of procedure velocity_intr [2022-12-13 11:34:39,277 INFO L138 BoogieDeclarations]: Found implementation of procedure velocity_intr [2022-12-13 11:34:39,277 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-12-13 11:34:39,277 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-12-13 11:34:39,277 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_86 [2022-12-13 11:34:39,277 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_86 [2022-12-13 11:34:39,277 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2022-12-13 11:34:39,277 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2022-12-13 11:34:39,277 INFO L130 BoogieDeclarations]: Found specification of procedure velocity_remove [2022-12-13 11:34:39,277 INFO L138 BoogieDeclarations]: Found implementation of procedure velocity_remove [2022-12-13 11:34:39,277 INFO L130 BoogieDeclarations]: Found specification of procedure check_connection_type [2022-12-13 11:34:39,277 INFO L138 BoogieDeclarations]: Found implementation of procedure check_connection_type [2022-12-13 11:34:39,277 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_rcu_suspicious [2022-12-13 11:34:39,277 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_rcu_suspicious [2022-12-13 11:34:39,277 INFO L130 BoogieDeclarations]: Found specification of procedure velocity_init_rx_ring_indexes [2022-12-13 11:34:39,277 INFO L138 BoogieDeclarations]: Found implementation of procedure velocity_init_rx_ring_indexes [2022-12-13 11:34:39,277 INFO L130 BoogieDeclarations]: Found specification of procedure velocity_mii_read [2022-12-13 11:34:39,277 INFO L138 BoogieDeclarations]: Found implementation of procedure velocity_mii_read [2022-12-13 11:34:39,277 INFO L130 BoogieDeclarations]: Found specification of procedure velocity_open [2022-12-13 11:34:39,277 INFO L138 BoogieDeclarations]: Found implementation of procedure velocity_open [2022-12-13 11:34:39,277 INFO L130 BoogieDeclarations]: Found specification of procedure velocity_give_many_rx_descs [2022-12-13 11:34:39,277 INFO L138 BoogieDeclarations]: Found implementation of procedure velocity_give_many_rx_descs [2022-12-13 11:34:39,277 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-12-13 11:34:39,277 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-12-13 11:34:39,277 INFO L130 BoogieDeclarations]: Found specification of procedure velocity_set_multi [2022-12-13 11:34:39,278 INFO L138 BoogieDeclarations]: Found implementation of procedure velocity_set_multi [2022-12-13 11:34:39,278 INFO L130 BoogieDeclarations]: Found specification of procedure readw [2022-12-13 11:34:39,278 INFO L138 BoogieDeclarations]: Found implementation of procedure readw [2022-12-13 11:34:39,278 INFO L130 BoogieDeclarations]: Found specification of procedure velocity_platform_probe [2022-12-13 11:34:39,278 INFO L138 BoogieDeclarations]: Found implementation of procedure velocity_platform_probe [2022-12-13 11:34:39,278 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2022-12-13 11:34:39,278 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2022-12-13 11:34:39,278 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-13 11:34:39,278 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-12-13 11:34:39,278 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-12-13 11:34:39,278 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_lock_of_velocity_info [2022-12-13 11:34:39,278 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_lock_of_velocity_info [2022-12-13 11:34:39,278 INFO L130 BoogieDeclarations]: Found specification of procedure velocity_poll_controller [2022-12-13 11:34:39,278 INFO L138 BoogieDeclarations]: Found implementation of procedure velocity_poll_controller [2022-12-13 11:34:39,278 INFO L130 BoogieDeclarations]: Found specification of procedure readb [2022-12-13 11:34:39,278 INFO L138 BoogieDeclarations]: Found implementation of procedure readb [2022-12-13 11:34:40,031 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 11:34:40,034 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 11:34:52,754 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-12-13 11:48:25,600 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 11:48:25,615 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 11:48:25,615 INFO L300 CfgBuilder]: Removed 4 assume(true) statements. [2022-12-13 11:48:25,619 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 11:48:25 BoogieIcfgContainer [2022-12-13 11:48:25,619 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 11:48:25,620 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-13 11:48:25,621 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-13 11:48:25,623 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-13 11:48:25,623 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.12 11:34:34" (1/3) ... [2022-12-13 11:48:25,623 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4107a695 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 11:48:25, skipping insertion in model container [2022-12-13 11:48:25,623 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:34:38" (2/3) ... [2022-12-13 11:48:25,624 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4107a695 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 11:48:25, skipping insertion in model container [2022-12-13 11:48:25,624 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 11:48:25" (3/3) ... [2022-12-13 11:48:25,624 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-via-via-velocity.cil.i [2022-12-13 11:48:25,640 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-13 11:48:25,640 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2022-12-13 11:48:25,710 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-13 11:48:25,715 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=PETRI_NET, 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;@7b656660, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-12-13 11:48:25,715 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2022-12-13 11:48:25,727 INFO L276 IsEmpty]: Start isEmpty. Operand has 2808 states, 1856 states have (on average 1.2769396551724137) internal successors, (2370), 1936 states have internal predecessors, (2370), 819 states have call successors, (819), 132 states have call predecessors, (819), 131 states have return successors, (812), 788 states have call predecessors, (812), 812 states have call successors, (812) [2022-12-13 11:48:25,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2022-12-13 11:48:25,737 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 11:48:25,737 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 11:48:25,738 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)] === [2022-12-13 11:48:25,741 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 11:48:25,741 INFO L85 PathProgramCache]: Analyzing trace with hash -429384682, now seen corresponding path program 1 times [2022-12-13 11:48:25,748 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 11:48:25,748 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [938533480] [2022-12-13 11:48:25,748 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 11:48:25,748 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 11:48:26,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:48:28,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-12-13 11:48:28,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:48:28,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-12-13 11:48:28,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:48:28,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-12-13 11:48:28,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:48:28,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-12-13 11:48:28,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:48:28,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-12-13 11:48:28,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:48:28,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-12-13 11:48:28,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:48:28,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-12-13 11:48:28,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:48:28,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 11:48:28,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:48:28,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-12-13 11:48:28,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:48:28,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-12-13 11:48:28,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:48:28,813 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2022-12-13 11:48:28,814 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 11:48:28,814 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [938533480] [2022-12-13 11:48:28,814 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [938533480] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 11:48:28,814 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 11:48:28,814 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-13 11:48:28,815 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [713802167] [2022-12-13 11:48:28,816 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 11:48:28,819 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-13 11:48:28,819 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 11:48:28,840 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-13 11:48:28,841 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-13 11:48:28,846 INFO L87 Difference]: Start difference. First operand has 2808 states, 1856 states have (on average 1.2769396551724137) internal successors, (2370), 1936 states have internal predecessors, (2370), 819 states have call successors, (819), 132 states have call predecessors, (819), 131 states have return successors, (812), 788 states have call predecessors, (812), 812 states have call successors, (812) Second operand has 5 states, 5 states have (on average 8.0) internal successors, (40), 4 states have internal predecessors, (40), 2 states have call successors, (12), 3 states have call predecessors, (12), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2022-12-13 11:48:29,243 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 11:48:29,243 INFO L93 Difference]: Finished difference Result 5573 states and 8053 transitions. [2022-12-13 11:48:29,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-13 11:48:29,245 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.0) internal successors, (40), 4 states have internal predecessors, (40), 2 states have call successors, (12), 3 states have call predecessors, (12), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 80 [2022-12-13 11:48:29,246 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 11:48:29,268 INFO L225 Difference]: With dead ends: 5573 [2022-12-13 11:48:29,268 INFO L226 Difference]: Without dead ends: 2774 [2022-12-13 11:48:29,285 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-12-13 11:48:29,287 INFO L413 NwaCegarLoop]: 3938 mSDtfsCounter, 3896 mSDsluCounter, 7860 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3911 SdHoareTripleChecker+Valid, 11798 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-13 11:48:29,288 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3911 Valid, 11798 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-13 11:48:29,305 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2774 states. [2022-12-13 11:48:29,440 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2774 to 2774. [2022-12-13 11:48:29,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2774 states, 1830 states have (on average 1.2612021857923497) internal successors, (2308), 1905 states have internal predecessors, (2308), 810 states have call successors, (810), 132 states have call predecessors, (810), 131 states have return successors, (807), 783 states have call predecessors, (807), 807 states have call successors, (807) [2022-12-13 11:48:29,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2774 states to 2774 states and 3925 transitions. [2022-12-13 11:48:29,462 INFO L78 Accepts]: Start accepts. Automaton has 2774 states and 3925 transitions. Word has length 80 [2022-12-13 11:48:29,462 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 11:48:29,462 INFO L495 AbstractCegarLoop]: Abstraction has 2774 states and 3925 transitions. [2022-12-13 11:48:29,463 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.0) internal successors, (40), 4 states have internal predecessors, (40), 2 states have call successors, (12), 3 states have call predecessors, (12), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2022-12-13 11:48:29,463 INFO L276 IsEmpty]: Start isEmpty. Operand 2774 states and 3925 transitions. [2022-12-13 11:48:29,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2022-12-13 11:48:29,465 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 11:48:29,465 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 11:48:29,466 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-13 11:48:29,466 INFO L420 AbstractCegarLoop]: === Iteration 2 === 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)] === [2022-12-13 11:48:29,466 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 11:48:29,466 INFO L85 PathProgramCache]: Analyzing trace with hash 737556264, now seen corresponding path program 1 times [2022-12-13 11:48:29,466 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 11:48:29,466 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1732343681] [2022-12-13 11:48:29,467 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 11:48:29,467 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 11:48:30,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:48:31,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-12-13 11:48:31,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:48:31,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-12-13 11:48:31,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:48:31,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-12-13 11:48:31,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:48:31,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-12-13 11:48:31,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:48:31,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-12-13 11:48:31,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:48:31,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-12-13 11:48:31,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:48:31,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-12-13 11:48:31,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:48:31,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 11:48:31,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:48:31,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-12-13 11:48:31,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:48:31,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-12-13 11:48:31,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:48:31,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2022-12-13 11:48:31,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:48:31,873 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2022-12-13 11:48:31,873 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 11:48:31,873 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1732343681] [2022-12-13 11:48:31,873 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1732343681] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 11:48:31,873 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 11:48:31,873 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-13 11:48:31,874 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [504829676] [2022-12-13 11:48:31,874 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 11:48:31,875 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-13 11:48:31,875 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 11:48:31,876 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-13 11:48:31,876 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-13 11:48:31,876 INFO L87 Difference]: Start difference. First operand 2774 states and 3925 transitions. Second operand has 5 states, 5 states have (on average 8.6) internal successors, (43), 4 states have internal predecessors, (43), 2 states have call successors, (13), 3 states have call predecessors, (13), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2022-12-13 11:48:32,243 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 11:48:32,243 INFO L93 Difference]: Finished difference Result 2780 states and 3930 transitions. [2022-12-13 11:48:32,243 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-13 11:48:32,244 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.6) internal successors, (43), 4 states have internal predecessors, (43), 2 states have call successors, (13), 3 states have call predecessors, (13), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 85 [2022-12-13 11:48:32,244 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 11:48:32,256 INFO L225 Difference]: With dead ends: 2780 [2022-12-13 11:48:32,256 INFO L226 Difference]: Without dead ends: 2778 [2022-12-13 11:48:32,258 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-12-13 11:48:32,259 INFO L413 NwaCegarLoop]: 3922 mSDtfsCounter, 3873 mSDsluCounter, 7822 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3886 SdHoareTripleChecker+Valid, 11744 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-13 11:48:32,259 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3886 Valid, 11744 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-13 11:48:32,262 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2778 states. [2022-12-13 11:48:32,371 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2778 to 2778. [2022-12-13 11:48:32,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2778 states, 1833 states have (on average 1.2607746863066012) internal successors, (2311), 1908 states have internal predecessors, (2311), 810 states have call successors, (810), 133 states have call predecessors, (810), 132 states have return successors, (807), 783 states have call predecessors, (807), 807 states have call successors, (807) [2022-12-13 11:48:32,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2778 states to 2778 states and 3928 transitions. [2022-12-13 11:48:32,390 INFO L78 Accepts]: Start accepts. Automaton has 2778 states and 3928 transitions. Word has length 85 [2022-12-13 11:48:32,391 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 11:48:32,391 INFO L495 AbstractCegarLoop]: Abstraction has 2778 states and 3928 transitions. [2022-12-13 11:48:32,391 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.6) internal successors, (43), 4 states have internal predecessors, (43), 2 states have call successors, (13), 3 states have call predecessors, (13), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2022-12-13 11:48:32,391 INFO L276 IsEmpty]: Start isEmpty. Operand 2778 states and 3928 transitions. [2022-12-13 11:48:32,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2022-12-13 11:48:32,393 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 11:48:32,393 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 4, 4, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 11:48:32,393 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-13 11:48:32,393 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-12-13 11:48:32,393 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 11:48:32,393 INFO L85 PathProgramCache]: Analyzing trace with hash 1624592150, now seen corresponding path program 1 times [2022-12-13 11:48:32,393 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 11:48:32,394 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2132732458] [2022-12-13 11:48:32,394 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 11:48:32,394 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 11:48:32,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:48:34,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-12-13 11:48:34,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:48:34,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-12-13 11:48:34,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:48:34,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-12-13 11:48:34,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:48:34,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-12-13 11:48:34,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:48:34,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-12-13 11:48:34,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:48:34,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-12-13 11:48:34,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:48:34,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-12-13 11:48:34,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:48:34,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 11:48:34,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:48:34,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-12-13 11:48:34,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:48:34,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-12-13 11:48:34,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:48:34,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2022-12-13 11:48:34,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:48:34,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2022-12-13 11:48:34,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:48:34,647 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2022-12-13 11:48:34,647 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 11:48:34,647 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2132732458] [2022-12-13 11:48:34,647 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2132732458] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 11:48:34,647 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 11:48:34,647 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-13 11:48:34,647 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [251462748] [2022-12-13 11:48:34,647 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 11:48:34,648 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-13 11:48:34,648 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 11:48:34,648 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-13 11:48:34,648 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-13 11:48:34,648 INFO L87 Difference]: Start difference. First operand 2778 states and 3928 transitions. Second operand has 5 states, 5 states have (on average 8.6) internal successors, (43), 4 states have internal predecessors, (43), 2 states have call successors, (14), 3 states have call predecessors, (14), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2022-12-13 11:48:34,967 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 11:48:34,968 INFO L93 Difference]: Finished difference Result 2784 states and 3933 transitions. [2022-12-13 11:48:34,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-13 11:48:34,968 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.6) internal successors, (43), 4 states have internal predecessors, (43), 2 states have call successors, (14), 3 states have call predecessors, (14), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 90 [2022-12-13 11:48:34,968 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 11:48:34,980 INFO L225 Difference]: With dead ends: 2784 [2022-12-13 11:48:34,980 INFO L226 Difference]: Without dead ends: 2782 [2022-12-13 11:48:34,982 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-12-13 11:48:34,983 INFO L413 NwaCegarLoop]: 3922 mSDtfsCounter, 3873 mSDsluCounter, 7822 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3885 SdHoareTripleChecker+Valid, 11744 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-13 11:48:34,983 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3885 Valid, 11744 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-13 11:48:34,986 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2782 states. [2022-12-13 11:48:35,078 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2782 to 2782. [2022-12-13 11:48:35,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2782 states, 1836 states have (on average 1.2603485838779955) internal successors, (2314), 1911 states have internal predecessors, (2314), 810 states have call successors, (810), 134 states have call predecessors, (810), 133 states have return successors, (807), 783 states have call predecessors, (807), 807 states have call successors, (807) [2022-12-13 11:48:35,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2782 states to 2782 states and 3931 transitions. [2022-12-13 11:48:35,094 INFO L78 Accepts]: Start accepts. Automaton has 2782 states and 3931 transitions. Word has length 90 [2022-12-13 11:48:35,094 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 11:48:35,094 INFO L495 AbstractCegarLoop]: Abstraction has 2782 states and 3931 transitions. [2022-12-13 11:48:35,095 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.6) internal successors, (43), 4 states have internal predecessors, (43), 2 states have call successors, (14), 3 states have call predecessors, (14), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2022-12-13 11:48:35,095 INFO L276 IsEmpty]: Start isEmpty. Operand 2782 states and 3931 transitions. [2022-12-13 11:48:35,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2022-12-13 11:48:35,096 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 11:48:35,096 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 4, 4, 4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 11:48:35,096 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-12-13 11:48:35,096 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-12-13 11:48:35,096 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 11:48:35,096 INFO L85 PathProgramCache]: Analyzing trace with hash 889918376, now seen corresponding path program 1 times [2022-12-13 11:48:35,096 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 11:48:35,096 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [29293796] [2022-12-13 11:48:35,097 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 11:48:35,097 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 11:48:35,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:48:37,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-12-13 11:48:37,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:48:37,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-12-13 11:48:37,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:48:37,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-12-13 11:48:37,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:48:37,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-12-13 11:48:37,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:48:37,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-12-13 11:48:37,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:48:37,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-12-13 11:48:37,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:48:37,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-12-13 11:48:37,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:48:37,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 11:48:37,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:48:37,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-12-13 11:48:37,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:48:37,235 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-12-13 11:48:37,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:48:37,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2022-12-13 11:48:37,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:48:37,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2022-12-13 11:48:37,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:48:37,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2022-12-13 11:48:37,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:48:37,253 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2022-12-13 11:48:37,253 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 11:48:37,254 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [29293796] [2022-12-13 11:48:37,254 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [29293796] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 11:48:37,254 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 11:48:37,254 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-13 11:48:37,254 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [929898268] [2022-12-13 11:48:37,254 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 11:48:37,254 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-13 11:48:37,254 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 11:48:37,255 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-13 11:48:37,255 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-13 11:48:37,255 INFO L87 Difference]: Start difference. First operand 2782 states and 3931 transitions. Second operand has 5 states, 5 states have (on average 8.6) internal successors, (43), 4 states have internal predecessors, (43), 2 states have call successors, (15), 3 states have call predecessors, (15), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2022-12-13 11:48:37,512 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 11:48:37,512 INFO L93 Difference]: Finished difference Result 2788 states and 3936 transitions. [2022-12-13 11:48:37,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-13 11:48:37,512 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.6) internal successors, (43), 4 states have internal predecessors, (43), 2 states have call successors, (15), 3 states have call predecessors, (15), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 95 [2022-12-13 11:48:37,513 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 11:48:37,524 INFO L225 Difference]: With dead ends: 2788 [2022-12-13 11:48:37,524 INFO L226 Difference]: Without dead ends: 2786 [2022-12-13 11:48:37,526 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-12-13 11:48:37,527 INFO L413 NwaCegarLoop]: 3922 mSDtfsCounter, 3873 mSDsluCounter, 7822 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3884 SdHoareTripleChecker+Valid, 11744 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-13 11:48:37,527 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3884 Valid, 11744 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-13 11:48:37,530 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2786 states. [2022-12-13 11:48:37,629 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2786 to 2786. [2022-12-13 11:48:37,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2786 states, 1839 states have (on average 1.2599238716693855) internal successors, (2317), 1914 states have internal predecessors, (2317), 810 states have call successors, (810), 135 states have call predecessors, (810), 134 states have return successors, (807), 783 states have call predecessors, (807), 807 states have call successors, (807) [2022-12-13 11:48:37,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2786 states to 2786 states and 3934 transitions. [2022-12-13 11:48:37,645 INFO L78 Accepts]: Start accepts. Automaton has 2786 states and 3934 transitions. Word has length 95 [2022-12-13 11:48:37,645 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 11:48:37,645 INFO L495 AbstractCegarLoop]: Abstraction has 2786 states and 3934 transitions. [2022-12-13 11:48:37,645 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.6) internal successors, (43), 4 states have internal predecessors, (43), 2 states have call successors, (15), 3 states have call predecessors, (15), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2022-12-13 11:48:37,645 INFO L276 IsEmpty]: Start isEmpty. Operand 2786 states and 3934 transitions. [2022-12-13 11:48:37,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2022-12-13 11:48:37,646 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 11:48:37,646 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 11:48:37,647 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-12-13 11:48:37,647 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-12-13 11:48:37,647 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 11:48:37,647 INFO L85 PathProgramCache]: Analyzing trace with hash 688943638, now seen corresponding path program 1 times [2022-12-13 11:48:37,647 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 11:48:37,647 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [513399190] [2022-12-13 11:48:37,647 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 11:48:37,647 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 11:48:38,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:48:39,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-12-13 11:48:39,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:48:39,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-12-13 11:48:39,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:48:39,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-12-13 11:48:39,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:48:39,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-12-13 11:48:39,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:48:39,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-12-13 11:48:39,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:48:39,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-12-13 11:48:39,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:48:39,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-12-13 11:48:39,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:48:39,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 11:48:39,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:48:39,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-12-13 11:48:39,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:48:39,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-12-13 11:48:39,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:48:39,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2022-12-13 11:48:39,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:48:39,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2022-12-13 11:48:39,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:48:39,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2022-12-13 11:48:39,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:48:39,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-12-13 11:48:39,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:48:39,670 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2022-12-13 11:48:39,670 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 11:48:39,670 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [513399190] [2022-12-13 11:48:39,670 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [513399190] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 11:48:39,670 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 11:48:39,670 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-13 11:48:39,670 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1922506635] [2022-12-13 11:48:39,670 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 11:48:39,671 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-13 11:48:39,671 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 11:48:39,671 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-13 11:48:39,671 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-13 11:48:39,671 INFO L87 Difference]: Start difference. First operand 2786 states and 3934 transitions. Second operand has 5 states, 5 states have (on average 8.6) internal successors, (43), 4 states have internal predecessors, (43), 2 states have call successors, (16), 3 states have call predecessors, (16), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2022-12-13 11:48:39,968 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 11:48:39,968 INFO L93 Difference]: Finished difference Result 2792 states and 3939 transitions. [2022-12-13 11:48:39,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-13 11:48:39,969 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.6) internal successors, (43), 4 states have internal predecessors, (43), 2 states have call successors, (16), 3 states have call predecessors, (16), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 100 [2022-12-13 11:48:39,969 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 11:48:39,988 INFO L225 Difference]: With dead ends: 2792 [2022-12-13 11:48:39,988 INFO L226 Difference]: Without dead ends: 2790 [2022-12-13 11:48:39,991 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-12-13 11:48:39,992 INFO L413 NwaCegarLoop]: 3922 mSDtfsCounter, 3873 mSDsluCounter, 7822 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3883 SdHoareTripleChecker+Valid, 11744 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-13 11:48:39,992 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3883 Valid, 11744 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-13 11:48:39,997 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2790 states. [2022-12-13 11:48:40,176 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2790 to 2790. [2022-12-13 11:48:40,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2790 states, 1842 states have (on average 1.259500542888165) internal successors, (2320), 1917 states have internal predecessors, (2320), 810 states have call successors, (810), 136 states have call predecessors, (810), 135 states have return successors, (807), 783 states have call predecessors, (807), 807 states have call successors, (807) [2022-12-13 11:48:40,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2790 states to 2790 states and 3937 transitions. [2022-12-13 11:48:40,198 INFO L78 Accepts]: Start accepts. Automaton has 2790 states and 3937 transitions. Word has length 100 [2022-12-13 11:48:40,198 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 11:48:40,198 INFO L495 AbstractCegarLoop]: Abstraction has 2790 states and 3937 transitions. [2022-12-13 11:48:40,199 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.6) internal successors, (43), 4 states have internal predecessors, (43), 2 states have call successors, (16), 3 states have call predecessors, (16), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2022-12-13 11:48:40,199 INFO L276 IsEmpty]: Start isEmpty. Operand 2790 states and 3937 transitions. [2022-12-13 11:48:40,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2022-12-13 11:48:40,200 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 11:48:40,201 INFO L195 NwaCegarLoop]: trace histogram [6, 5, 5, 5, 5, 5, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 11:48:40,201 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-12-13 11:48:40,201 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-12-13 11:48:40,201 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 11:48:40,201 INFO L85 PathProgramCache]: Analyzing trace with hash 327680040, now seen corresponding path program 1 times [2022-12-13 11:48:40,201 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 11:48:40,202 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1631358852] [2022-12-13 11:48:40,202 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 11:48:40,202 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 11:48:40,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:48:42,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-12-13 11:48:42,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:48:42,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-12-13 11:48:42,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:48:42,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-12-13 11:48:42,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:48:42,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-12-13 11:48:42,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:48:42,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-12-13 11:48:42,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:48:42,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-12-13 11:48:42,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:48:42,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-12-13 11:48:42,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:48:42,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 11:48:42,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:48:42,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-12-13 11:48:42,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:48:42,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-12-13 11:48:42,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:48:42,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2022-12-13 11:48:42,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:48:42,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2022-12-13 11:48:42,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:48:42,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2022-12-13 11:48:42,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:48:42,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-12-13 11:48:42,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:48:42,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2022-12-13 11:48:42,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:48:42,459 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 98 trivial. 0 not checked. [2022-12-13 11:48:42,460 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 11:48:42,460 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1631358852] [2022-12-13 11:48:42,460 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1631358852] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 11:48:42,460 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 11:48:42,460 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-13 11:48:42,460 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1146156119] [2022-12-13 11:48:42,460 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 11:48:42,460 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-13 11:48:42,460 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 11:48:42,461 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-13 11:48:42,461 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-13 11:48:42,461 INFO L87 Difference]: Start difference. First operand 2790 states and 3937 transitions. Second operand has 5 states, 5 states have (on average 8.6) internal successors, (43), 4 states have internal predecessors, (43), 2 states have call successors, (17), 3 states have call predecessors, (17), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2022-12-13 11:48:42,695 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 11:48:42,695 INFO L93 Difference]: Finished difference Result 2796 states and 3942 transitions. [2022-12-13 11:48:42,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-13 11:48:42,696 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.6) internal successors, (43), 4 states have internal predecessors, (43), 2 states have call successors, (17), 3 states have call predecessors, (17), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 105 [2022-12-13 11:48:42,696 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 11:48:42,706 INFO L225 Difference]: With dead ends: 2796 [2022-12-13 11:48:42,706 INFO L226 Difference]: Without dead ends: 2794 [2022-12-13 11:48:42,708 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-12-13 11:48:42,708 INFO L413 NwaCegarLoop]: 3922 mSDtfsCounter, 3873 mSDsluCounter, 7822 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3882 SdHoareTripleChecker+Valid, 11744 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-13 11:48:42,709 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3882 Valid, 11744 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-13 11:48:42,712 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2794 states. [2022-12-13 11:48:42,880 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2794 to 2794. [2022-12-13 11:48:42,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2794 states, 1845 states have (on average 1.259078590785908) internal successors, (2323), 1920 states have internal predecessors, (2323), 810 states have call successors, (810), 137 states have call predecessors, (810), 136 states have return successors, (807), 783 states have call predecessors, (807), 807 states have call successors, (807) [2022-12-13 11:48:42,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2794 states to 2794 states and 3940 transitions. [2022-12-13 11:48:42,898 INFO L78 Accepts]: Start accepts. Automaton has 2794 states and 3940 transitions. Word has length 105 [2022-12-13 11:48:42,898 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 11:48:42,899 INFO L495 AbstractCegarLoop]: Abstraction has 2794 states and 3940 transitions. [2022-12-13 11:48:42,899 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.6) internal successors, (43), 4 states have internal predecessors, (43), 2 states have call successors, (17), 3 states have call predecessors, (17), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2022-12-13 11:48:42,899 INFO L276 IsEmpty]: Start isEmpty. Operand 2794 states and 3940 transitions. [2022-12-13 11:48:42,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2022-12-13 11:48:42,901 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 11:48:42,901 INFO L195 NwaCegarLoop]: trace histogram [7, 6, 6, 5, 5, 5, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 11:48:42,901 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-12-13 11:48:42,901 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)] === [2022-12-13 11:48:42,901 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 11:48:42,901 INFO L85 PathProgramCache]: Analyzing trace with hash -1972533994, now seen corresponding path program 1 times [2022-12-13 11:48:42,902 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 11:48:42,902 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1311151061] [2022-12-13 11:48:42,902 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 11:48:42,902 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 11:48:43,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:48:44,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-12-13 11:48:44,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:48:44,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-12-13 11:48:44,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:48:44,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-12-13 11:48:44,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:48:44,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-12-13 11:48:44,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:48:44,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-12-13 11:48:44,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:48:44,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-12-13 11:48:44,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:48:44,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-12-13 11:48:44,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:48:44,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 11:48:44,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:48:44,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-12-13 11:48:44,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:48:44,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-12-13 11:48:44,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:48:44,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2022-12-13 11:48:44,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:48:45,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2022-12-13 11:48:45,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:48:45,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2022-12-13 11:48:45,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:48:45,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-12-13 11:48:45,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:48:45,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2022-12-13 11:48:45,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:48:45,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2022-12-13 11:48:45,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:48:45,022 INFO L134 CoverageAnalysis]: Checked inductivity of 130 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 118 trivial. 0 not checked. [2022-12-13 11:48:45,023 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 11:48:45,023 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1311151061] [2022-12-13 11:48:45,023 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1311151061] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 11:48:45,023 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 11:48:45,023 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-13 11:48:45,023 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1837251815] [2022-12-13 11:48:45,023 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 11:48:45,023 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-13 11:48:45,023 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 11:48:45,024 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-13 11:48:45,024 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-13 11:48:45,024 INFO L87 Difference]: Start difference. First operand 2794 states and 3940 transitions. Second operand has 5 states, 5 states have (on average 8.6) internal successors, (43), 4 states have internal predecessors, (43), 2 states have call successors, (18), 3 states have call predecessors, (18), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2022-12-13 11:48:45,306 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 11:48:45,306 INFO L93 Difference]: Finished difference Result 2800 states and 3945 transitions. [2022-12-13 11:48:45,307 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-13 11:48:45,307 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.6) internal successors, (43), 4 states have internal predecessors, (43), 2 states have call successors, (18), 3 states have call predecessors, (18), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 110 [2022-12-13 11:48:45,307 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 11:48:45,315 INFO L225 Difference]: With dead ends: 2800 [2022-12-13 11:48:45,315 INFO L226 Difference]: Without dead ends: 2798 [2022-12-13 11:48:45,316 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-12-13 11:48:45,316 INFO L413 NwaCegarLoop]: 3922 mSDtfsCounter, 3873 mSDsluCounter, 7822 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3881 SdHoareTripleChecker+Valid, 11744 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-13 11:48:45,317 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3881 Valid, 11744 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-13 11:48:45,320 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2798 states. [2022-12-13 11:48:45,434 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2798 to 2798. [2022-12-13 11:48:45,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2798 states, 1848 states have (on average 1.2586580086580086) internal successors, (2326), 1923 states have internal predecessors, (2326), 810 states have call successors, (810), 138 states have call predecessors, (810), 137 states have return successors, (807), 783 states have call predecessors, (807), 807 states have call successors, (807) [2022-12-13 11:48:45,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2798 states to 2798 states and 3943 transitions. [2022-12-13 11:48:45,446 INFO L78 Accepts]: Start accepts. Automaton has 2798 states and 3943 transitions. Word has length 110 [2022-12-13 11:48:45,446 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 11:48:45,446 INFO L495 AbstractCegarLoop]: Abstraction has 2798 states and 3943 transitions. [2022-12-13 11:48:45,447 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.6) internal successors, (43), 4 states have internal predecessors, (43), 2 states have call successors, (18), 3 states have call predecessors, (18), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2022-12-13 11:48:45,447 INFO L276 IsEmpty]: Start isEmpty. Operand 2798 states and 3943 transitions. [2022-12-13 11:48:45,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2022-12-13 11:48:45,448 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 11:48:45,448 INFO L195 NwaCegarLoop]: trace histogram [8, 7, 7, 5, 5, 5, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 11:48:45,448 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-12-13 11:48:45,448 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)] === [2022-12-13 11:48:45,449 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 11:48:45,449 INFO L85 PathProgramCache]: Analyzing trace with hash 1135014935, now seen corresponding path program 1 times [2022-12-13 11:48:45,449 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 11:48:45,449 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [983658603] [2022-12-13 11:48:45,449 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 11:48:45,449 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 11:48:45,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:48:47,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-12-13 11:48:47,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:48:47,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-12-13 11:48:47,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:48:47,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-12-13 11:48:47,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:48:47,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-12-13 11:48:47,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:48:47,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-12-13 11:48:47,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:48:47,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-12-13 11:48:47,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:48:47,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-12-13 11:48:47,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:48:47,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 11:48:47,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:48:47,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-12-13 11:48:47,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:48:47,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-12-13 11:48:47,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:48:47,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2022-12-13 11:48:47,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:48:47,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2022-12-13 11:48:47,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:48:47,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2022-12-13 11:48:47,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:48:47,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2022-12-13 11:48:47,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:48:47,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2022-12-13 11:48:47,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:48:47,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-12-13 11:48:47,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:48:47,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2022-12-13 11:48:47,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:48:47,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2022-12-13 11:48:47,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:48:47,563 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 142 trivial. 0 not checked. [2022-12-13 11:48:47,564 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 11:48:47,564 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [983658603] [2022-12-13 11:48:47,564 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [983658603] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 11:48:47,564 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 11:48:47,564 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-13 11:48:47,564 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [594276202] [2022-12-13 11:48:47,564 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 11:48:47,564 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-13 11:48:47,565 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 11:48:47,565 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-13 11:48:47,565 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-13 11:48:47,565 INFO L87 Difference]: Start difference. First operand 2798 states and 3943 transitions. Second operand has 5 states, 5 states have (on average 12.2) internal successors, (61), 4 states have internal predecessors, (61), 2 states have call successors, (20), 3 states have call predecessors, (20), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2022-12-13 11:48:47,885 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 11:48:47,885 INFO L93 Difference]: Finished difference Result 3767 states and 5333 transitions. [2022-12-13 11:48:47,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-13 11:48:47,885 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.2) internal successors, (61), 4 states have internal predecessors, (61), 2 states have call successors, (20), 3 states have call predecessors, (20), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 135 [2022-12-13 11:48:47,886 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 11:48:47,899 INFO L225 Difference]: With dead ends: 3767 [2022-12-13 11:48:47,899 INFO L226 Difference]: Without dead ends: 3765 [2022-12-13 11:48:47,901 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-12-13 11:48:47,901 INFO L413 NwaCegarLoop]: 4443 mSDtfsCounter, 3225 mSDsluCounter, 10882 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3232 SdHoareTripleChecker+Valid, 15325 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-13 11:48:47,901 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3232 Valid, 15325 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-13 11:48:47,905 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3765 states. [2022-12-13 11:48:48,083 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3765 to 3765. [2022-12-13 11:48:48,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3765 states, 2436 states have (on average 1.2635467980295567) internal successors, (3078), 2537 states have internal predecessors, (3078), 1128 states have call successors, (1128), 199 states have call predecessors, (1128), 198 states have return successors, (1125), 1089 states have call predecessors, (1125), 1125 states have call successors, (1125) [2022-12-13 11:48:48,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3765 states to 3765 states and 5331 transitions. [2022-12-13 11:48:48,099 INFO L78 Accepts]: Start accepts. Automaton has 3765 states and 5331 transitions. Word has length 135 [2022-12-13 11:48:48,099 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 11:48:48,099 INFO L495 AbstractCegarLoop]: Abstraction has 3765 states and 5331 transitions. [2022-12-13 11:48:48,099 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.2) internal successors, (61), 4 states have internal predecessors, (61), 2 states have call successors, (20), 3 states have call predecessors, (20), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2022-12-13 11:48:48,099 INFO L276 IsEmpty]: Start isEmpty. Operand 3765 states and 5331 transitions. [2022-12-13 11:48:48,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2022-12-13 11:48:48,101 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 11:48:48,101 INFO L195 NwaCegarLoop]: trace histogram [9, 8, 8, 5, 5, 5, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 11:48:48,101 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-12-13 11:48:48,101 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)] === [2022-12-13 11:48:48,101 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 11:48:48,101 INFO L85 PathProgramCache]: Analyzing trace with hash -1220507626, now seen corresponding path program 1 times [2022-12-13 11:48:48,101 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 11:48:48,102 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1668142021] [2022-12-13 11:48:48,102 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 11:48:48,102 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 11:48:48,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:48:50,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-12-13 11:48:50,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:48:50,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-12-13 11:48:50,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:48:50,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-12-13 11:48:50,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:48:50,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-12-13 11:48:50,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:48:50,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-12-13 11:48:50,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:48:50,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-12-13 11:48:50,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:48:50,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-12-13 11:48:50,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:48:50,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 11:48:50,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:48:50,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-12-13 11:48:50,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:48:50,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-12-13 11:48:50,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:48:50,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2022-12-13 11:48:50,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:48:50,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2022-12-13 11:48:50,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:48:50,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2022-12-13 11:48:50,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:48:50,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-12-13 11:48:50,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:48:50,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2022-12-13 11:48:50,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:48:50,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2022-12-13 11:48:50,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:48:50,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2022-12-13 11:48:50,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:48:50,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2022-12-13 11:48:50,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:48:50,148 INFO L134 CoverageAnalysis]: Checked inductivity of 186 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 170 trivial. 0 not checked. [2022-12-13 11:48:50,148 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 11:48:50,148 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1668142021] [2022-12-13 11:48:50,148 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1668142021] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 11:48:50,148 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 11:48:50,149 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-13 11:48:50,149 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [17596991] [2022-12-13 11:48:50,149 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 11:48:50,149 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-13 11:48:50,149 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 11:48:50,150 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-13 11:48:50,150 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-13 11:48:50,150 INFO L87 Difference]: Start difference. First operand 3765 states and 5331 transitions. Second operand has 5 states, 5 states have (on average 8.6) internal successors, (43), 4 states have internal predecessors, (43), 2 states have call successors, (20), 3 states have call predecessors, (20), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2022-12-13 11:48:50,453 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 11:48:50,453 INFO L93 Difference]: Finished difference Result 3771 states and 5336 transitions. [2022-12-13 11:48:50,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-13 11:48:50,454 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.6) internal successors, (43), 4 states have internal predecessors, (43), 2 states have call successors, (20), 3 states have call predecessors, (20), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 120 [2022-12-13 11:48:50,454 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 11:48:50,475 INFO L225 Difference]: With dead ends: 3771 [2022-12-13 11:48:50,475 INFO L226 Difference]: Without dead ends: 3769 [2022-12-13 11:48:50,478 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-12-13 11:48:50,479 INFO L413 NwaCegarLoop]: 3922 mSDtfsCounter, 3873 mSDsluCounter, 7822 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3879 SdHoareTripleChecker+Valid, 11744 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-13 11:48:50,479 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3879 Valid, 11744 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-13 11:48:50,485 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3769 states. [2022-12-13 11:48:50,708 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3769 to 3769. [2022-12-13 11:48:50,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3769 states, 2439 states have (on average 1.2632226322263223) internal successors, (3081), 2540 states have internal predecessors, (3081), 1128 states have call successors, (1128), 200 states have call predecessors, (1128), 199 states have return successors, (1125), 1089 states have call predecessors, (1125), 1125 states have call successors, (1125) [2022-12-13 11:48:50,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3769 states to 3769 states and 5334 transitions. [2022-12-13 11:48:50,728 INFO L78 Accepts]: Start accepts. Automaton has 3769 states and 5334 transitions. Word has length 120 [2022-12-13 11:48:50,728 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 11:48:50,728 INFO L495 AbstractCegarLoop]: Abstraction has 3769 states and 5334 transitions. [2022-12-13 11:48:50,728 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.6) internal successors, (43), 4 states have internal predecessors, (43), 2 states have call successors, (20), 3 states have call predecessors, (20), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2022-12-13 11:48:50,728 INFO L276 IsEmpty]: Start isEmpty. Operand 3769 states and 5334 transitions. [2022-12-13 11:48:50,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2022-12-13 11:48:50,730 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 11:48:50,730 INFO L195 NwaCegarLoop]: trace histogram [10, 9, 9, 5, 5, 5, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 11:48:50,730 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-12-13 11:48:50,731 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)] === [2022-12-13 11:48:50,731 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 11:48:50,731 INFO L85 PathProgramCache]: Analyzing trace with hash -858209833, now seen corresponding path program 1 times [2022-12-13 11:48:50,731 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 11:48:50,731 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [459072605] [2022-12-13 11:48:50,731 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 11:48:50,731 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 11:48:51,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:48:52,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-12-13 11:48:52,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:48:52,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-12-13 11:48:52,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:48:52,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-12-13 11:48:52,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:48:52,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-12-13 11:48:52,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:48:52,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-12-13 11:48:52,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:48:52,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-12-13 11:48:52,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:48:52,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-12-13 11:48:52,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:48:52,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 11:48:52,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:48:52,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-12-13 11:48:52,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:48:52,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-12-13 11:48:52,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:48:52,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2022-12-13 11:48:52,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:48:52,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2022-12-13 11:48:52,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:48:52,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2022-12-13 11:48:52,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:48:52,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2022-12-13 11:48:52,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:48:52,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2022-12-13 11:48:52,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:48:52,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-12-13 11:48:52,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:48:52,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2022-12-13 11:48:52,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:48:52,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2022-12-13 11:48:52,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:48:52,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2022-12-13 11:48:52,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:48:52,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2022-12-13 11:48:52,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:48:52,918 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 202 trivial. 0 not checked. [2022-12-13 11:48:52,918 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 11:48:52,918 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [459072605] [2022-12-13 11:48:52,918 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [459072605] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 11:48:52,918 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 11:48:52,918 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-13 11:48:52,918 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [450171106] [2022-12-13 11:48:52,918 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 11:48:52,919 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-13 11:48:52,919 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 11:48:52,919 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-13 11:48:52,919 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-13 11:48:52,919 INFO L87 Difference]: Start difference. First operand 3769 states and 5334 transitions. Second operand has 5 states, 5 states have (on average 12.2) internal successors, (61), 4 states have internal predecessors, (61), 2 states have call successors, (22), 3 states have call predecessors, (22), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2022-12-13 11:48:53,233 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 11:48:53,234 INFO L93 Difference]: Finished difference Result 3775 states and 5339 transitions. [2022-12-13 11:48:53,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-13 11:48:53,235 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.2) internal successors, (61), 4 states have internal predecessors, (61), 2 states have call successors, (22), 3 states have call predecessors, (22), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 145 [2022-12-13 11:48:53,235 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 11:48:53,245 INFO L225 Difference]: With dead ends: 3775 [2022-12-13 11:48:53,245 INFO L226 Difference]: Without dead ends: 3773 [2022-12-13 11:48:53,247 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-12-13 11:48:53,247 INFO L413 NwaCegarLoop]: 3922 mSDtfsCounter, 3860 mSDsluCounter, 7822 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3865 SdHoareTripleChecker+Valid, 11744 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-13 11:48:53,247 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3865 Valid, 11744 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-13 11:48:53,250 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3773 states. [2022-12-13 11:48:53,432 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3773 to 3773. [2022-12-13 11:48:53,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3773 states, 2442 states have (on average 1.2628992628992628) internal successors, (3084), 2543 states have internal predecessors, (3084), 1128 states have call successors, (1128), 201 states have call predecessors, (1128), 200 states have return successors, (1125), 1089 states have call predecessors, (1125), 1125 states have call successors, (1125) [2022-12-13 11:48:53,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3773 states to 3773 states and 5337 transitions. [2022-12-13 11:48:53,446 INFO L78 Accepts]: Start accepts. Automaton has 3773 states and 5337 transitions. Word has length 145 [2022-12-13 11:48:53,447 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 11:48:53,447 INFO L495 AbstractCegarLoop]: Abstraction has 3773 states and 5337 transitions. [2022-12-13 11:48:53,447 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.2) internal successors, (61), 4 states have internal predecessors, (61), 2 states have call successors, (22), 3 states have call predecessors, (22), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2022-12-13 11:48:53,447 INFO L276 IsEmpty]: Start isEmpty. Operand 3773 states and 5337 transitions. [2022-12-13 11:48:53,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2022-12-13 11:48:53,449 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 11:48:53,449 INFO L195 NwaCegarLoop]: trace histogram [11, 10, 10, 5, 5, 5, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 11:48:53,449 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-12-13 11:48:53,450 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)] === [2022-12-13 11:48:53,450 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 11:48:53,450 INFO L85 PathProgramCache]: Analyzing trace with hash 148732694, now seen corresponding path program 1 times [2022-12-13 11:48:53,450 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 11:48:53,450 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [191535713] [2022-12-13 11:48:53,450 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 11:48:53,450 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 11:48:53,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat