./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dec-tulip-de4x5.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e69370e-db04-46cf-ae64-7dbc435af5ee/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e69370e-db04-46cf-ae64-7dbc435af5ee/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_9e69370e-db04-46cf-ae64-7dbc435af5ee/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e69370e-db04-46cf-ae64-7dbc435af5ee/bin/uautomizer-uyxdKDjOR8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dec-tulip-de4x5.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e69370e-db04-46cf-ae64-7dbc435af5ee/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_9e69370e-db04-46cf-ae64-7dbc435af5ee/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 52f53de973aa03e2a9eaadeeb26ce30c3104ed671c54a416d14fc4c2bdab8bd9 --- 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 14:40:24,324 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 14:40:24,325 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 14:40:24,338 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 14:40:24,339 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 14:40:24,339 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 14:40:24,340 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 14:40:24,341 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 14:40:24,342 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 14:40:24,342 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 14:40:24,343 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 14:40:24,344 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 14:40:24,344 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 14:40:24,345 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 14:40:24,345 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 14:40:24,346 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 14:40:24,347 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 14:40:24,347 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 14:40:24,348 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 14:40:24,349 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 14:40:24,350 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 14:40:24,351 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 14:40:24,352 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 14:40:24,352 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 14:40:24,354 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 14:40:24,355 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 14:40:24,355 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 14:40:24,355 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 14:40:24,356 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 14:40:24,356 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 14:40:24,357 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 14:40:24,357 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 14:40:24,358 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 14:40:24,358 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 14:40:24,359 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 14:40:24,359 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 14:40:24,359 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 14:40:24,360 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 14:40:24,360 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 14:40:24,360 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 14:40:24,361 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 14:40:24,361 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e69370e-db04-46cf-ae64-7dbc435af5ee/bin/uautomizer-uyxdKDjOR8/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-12-13 14:40:24,376 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 14:40:24,376 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 14:40:24,376 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 14:40:24,376 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 14:40:24,377 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-13 14:40:24,377 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-13 14:40:24,377 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 14:40:24,377 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 14:40:24,383 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 14:40:24,384 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 14:40:24,384 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-13 14:40:24,384 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 14:40:24,384 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-13 14:40:24,385 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-13 14:40:24,385 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-13 14:40:24,385 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 14:40:24,385 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 14:40:24,385 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-13 14:40:24,386 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 14:40:24,386 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 14:40:24,386 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-13 14:40:24,386 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 14:40:24,387 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 14:40:24,387 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-13 14:40:24,387 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-13 14:40:24,387 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-13 14:40:24,387 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-13 14:40:24,388 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-12-13 14:40:24,388 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-13 14:40:24,388 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-12-13 14:40:24,388 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-13 14:40:24,388 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2022-12-13 14:40:24,389 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_9e69370e-db04-46cf-ae64-7dbc435af5ee/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e69370e-db04-46cf-ae64-7dbc435af5ee/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 52f53de973aa03e2a9eaadeeb26ce30c3104ed671c54a416d14fc4c2bdab8bd9 [2022-12-13 14:40:24,580 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 14:40:24,600 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 14:40:24,602 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 14:40:24,604 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 14:40:24,604 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 14:40:24,605 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e69370e-db04-46cf-ae64-7dbc435af5ee/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dec-tulip-de4x5.cil.i [2022-12-13 14:40:27,187 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 14:40:27,545 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 14:40:27,546 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e69370e-db04-46cf-ae64-7dbc435af5ee/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dec-tulip-de4x5.cil.i [2022-12-13 14:40:27,575 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e69370e-db04-46cf-ae64-7dbc435af5ee/bin/uautomizer-uyxdKDjOR8/data/caa3c2a57/2fb1ddf9094a446cacde215a14acf0ef/FLAG48d160a40 [2022-12-13 14:40:27,585 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e69370e-db04-46cf-ae64-7dbc435af5ee/bin/uautomizer-uyxdKDjOR8/data/caa3c2a57/2fb1ddf9094a446cacde215a14acf0ef [2022-12-13 14:40:27,587 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 14:40:27,588 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 14:40:27,588 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 14:40:27,589 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 14:40:27,591 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 14:40:27,591 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 02:40:27" (1/1) ... [2022-12-13 14:40:27,592 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@26855d8b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:40:27, skipping insertion in model container [2022-12-13 14:40:27,592 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 02:40:27" (1/1) ... [2022-12-13 14:40:27,597 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 14:40:27,722 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 14:40:28,319 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock [2022-12-13 14:40:28,328 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock [2022-12-13 14:40:28,337 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock_irqrestore [2022-12-13 14:40:28,381 WARN L623 FunctionHandler]: Unknown extern function __phys_addr [2022-12-13 14:40:28,440 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-12-13 14:40:28,440 WARN L623 FunctionHandler]: Unknown extern function _copy_from_user [2022-12-13 14:40:28,441 WARN L623 FunctionHandler]: Unknown extern function _copy_from_user [2022-12-13 14:40:28,441 WARN L623 FunctionHandler]: Unknown extern function __copy_from_user_overflow [2022-12-13 14:40:28,446 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-12-13 14:40:28,446 WARN L623 FunctionHandler]: Unknown extern function _copy_to_user [2022-12-13 14:40:28,447 WARN L623 FunctionHandler]: Unknown extern function _copy_to_user [2022-12-13 14:40:28,447 WARN L623 FunctionHandler]: Unknown extern function __copy_to_user_overflow [2022-12-13 14:40:28,507 WARN L623 FunctionHandler]: Unknown extern function __phys_addr [2022-12-13 14:40:28,512 WARN L623 FunctionHandler]: Unknown extern function __phys_addr [2022-12-13 14:40:28,512 WARN L623 FunctionHandler]: Unknown extern function debug_dma_map_page [2022-12-13 14:40:28,522 WARN L623 FunctionHandler]: Unknown extern function debug_dma_unmap_page [2022-12-13 14:40:28,546 WARN L623 FunctionHandler]: Unknown extern function debug_dma_alloc_coherent [2022-12-13 14:40:28,554 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-12-13 14:40:28,557 WARN L623 FunctionHandler]: Unknown extern function debug_dma_free_coherent [2022-12-13 14:40:28,590 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-12-13 14:40:28,642 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-12-13 14:40:28,654 WARN L623 FunctionHandler]: Unknown extern function __netdev_alloc_skb [2022-12-13 14:40:28,701 WARN L623 FunctionHandler]: Unknown extern function netpoll_trap [2022-12-13 14:40:28,702 WARN L623 FunctionHandler]: Unknown extern function __netif_schedule [2022-12-13 14:40:28,713 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-12-13 14:40:28,714 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 14:40:28,743 WARN L623 FunctionHandler]: Unknown extern function __dev_kfree_skb_irq [2022-12-13 14:40:28,786 WARN L623 FunctionHandler]: Unknown extern function pci_bus_read_config_byte [2022-12-13 14:40:28,791 WARN L623 FunctionHandler]: Unknown extern function pci_bus_read_config_word [2022-12-13 14:40:28,796 WARN L623 FunctionHandler]: Unknown extern function pci_bus_write_config_byte [2022-12-13 14:40:28,802 WARN L623 FunctionHandler]: Unknown extern function pci_bus_write_config_word [2022-12-13 14:40:28,841 WARN L623 FunctionHandler]: Unknown extern function request_threaded_irq [2022-12-13 14:40:29,344 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 14:40:29,345 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 14:40:29,345 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 14:40:29,345 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 14:40:29,346 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 14:40:29,346 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 14:40:29,346 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 14:40:29,347 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 14:40:29,347 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 14:40:29,348 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 14:40:29,348 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 14:40:29,349 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 14:40:29,350 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 14:40:29,350 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 14:40:29,351 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-12-13 14:40:29,351 WARN L623 FunctionHandler]: Unknown extern function init_timer_key [2022-12-13 14:40:29,353 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-12-13 14:40:29,359 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 14:40:29,360 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 14:40:29,363 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-12-13 14:40:29,364 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 14:40:29,364 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 14:40:29,365 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 14:40:29,365 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 14:40:29,366 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 14:40:29,367 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 14:40:29,367 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 14:40:29,368 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 14:40:29,368 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 14:40:29,369 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 14:40:29,369 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 14:40:29,369 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 14:40:29,374 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 14:40:29,374 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 14:40:29,375 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 14:40:29,378 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 14:40:29,383 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 14:40:29,384 WARN L623 FunctionHandler]: Unknown extern function synchronize_irq [2022-12-13 14:40:29,386 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 14:40:29,391 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 14:40:29,392 WARN L623 FunctionHandler]: Unknown extern function eth_type_trans [2022-12-13 14:40:29,392 WARN L623 FunctionHandler]: Unknown extern function netif_rx [2022-12-13 14:40:29,409 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 14:40:29,418 WARN L623 FunctionHandler]: Unknown extern function crc32_le [2022-12-13 14:40:29,435 WARN L623 FunctionHandler]: Unknown extern function pci_enable_device [2022-12-13 14:40:29,438 WARN L623 FunctionHandler]: Unknown extern function __request_region [2022-12-13 14:40:29,439 WARN L623 FunctionHandler]: Unknown extern function __release_region [2022-12-13 14:40:29,439 WARN L623 FunctionHandler]: Unknown extern function pci_disable_device [2022-12-13 14:40:29,445 WARN L623 FunctionHandler]: Unknown extern function __release_region [2022-12-13 14:40:29,445 WARN L623 FunctionHandler]: Unknown extern function pci_disable_device [2022-12-13 14:40:29,501 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 14:40:29,517 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 14:40:29,521 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 14:40:29,521 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 14:40:29,522 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 14:40:29,522 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 14:40:29,523 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 14:40:29,524 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 14:40:29,524 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 14:40:29,525 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 14:40:29,547 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-12-13 14:40:29,548 WARN L623 FunctionHandler]: Unknown extern function consume_skb [2022-12-13 14:40:29,559 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 14:40:29,562 WARN L623 FunctionHandler]: Unknown extern function strncpy [2022-12-13 14:40:29,563 WARN L623 FunctionHandler]: Unknown extern function strstr [2022-12-13 14:40:29,578 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 14:40:29,580 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 14:40:29,580 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 14:40:29,581 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 14:40:29,582 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 14:40:29,587 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 14:40:29,587 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 14:40:29,616 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 14:40:29,616 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 14:40:29,616 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 14:40:29,616 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 14:40:29,618 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 14:40:29,619 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 14:40:29,620 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 14:40:29,625 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 14:40:29,625 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 14:40:29,626 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 14:40:29,626 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 14:40:29,626 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 14:40:29,626 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 14:40:29,627 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 14:40:29,627 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 14:40:29,627 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 14:40:29,627 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 14:40:29,630 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 14:40:29,631 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 14:40:29,632 WARN L623 FunctionHandler]: Unknown extern function strstr [2022-12-13 14:40:29,633 WARN L623 FunctionHandler]: Unknown extern function strstr [2022-12-13 14:40:29,634 WARN L623 FunctionHandler]: Unknown extern function strstr [2022-12-13 14:40:29,634 WARN L623 FunctionHandler]: Unknown extern function strstr [2022-12-13 14:40:29,635 WARN L623 FunctionHandler]: Unknown extern function strstr [2022-12-13 14:40:29,635 WARN L623 FunctionHandler]: Unknown extern function strstr [2022-12-13 14:40:29,635 WARN L623 FunctionHandler]: Unknown extern function strstr [2022-12-13 14:40:29,636 WARN L623 FunctionHandler]: Unknown extern function strstr [2022-12-13 14:40:29,636 WARN L623 FunctionHandler]: Unknown extern function strstr [2022-12-13 14:40:29,637 WARN L623 FunctionHandler]: Unknown extern function strstr [2022-12-13 14:40:29,637 WARN L623 FunctionHandler]: Unknown extern function strstr [2022-12-13 14:40:29,638 WARN L623 FunctionHandler]: Unknown extern function strstr [2022-12-13 14:40:29,639 WARN L623 FunctionHandler]: Unknown extern function strstr [2022-12-13 14:40:29,639 WARN L623 FunctionHandler]: Unknown extern function strstr [2022-12-13 14:40:29,640 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 14:40:29,640 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 14:40:29,641 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 14:40:29,641 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 14:40:29,642 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 14:40:29,642 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 14:40:29,642 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 14:40:29,643 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 14:40:29,643 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 14:40:29,644 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 14:40:29,644 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 14:40:29,644 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 14:40:29,645 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 14:40:29,645 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 14:40:29,645 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 14:40:29,646 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 14:40:29,646 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 14:40:29,647 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 14:40:29,648 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 14:40:29,648 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 14:40:29,649 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 14:40:29,649 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 14:40:29,649 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 14:40:29,650 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 14:40:29,650 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 14:40:29,651 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 14:40:29,651 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 14:40:29,652 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 14:40:29,652 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 14:40:29,655 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 14:40:29,656 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 14:40:29,656 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 14:40:29,656 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 14:40:29,656 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 14:40:29,657 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 14:40:29,657 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 14:40:29,657 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 14:40:29,658 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 14:40:29,658 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 14:40:29,659 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 14:40:29,659 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 14:40:29,662 WARN L623 FunctionHandler]: Unknown extern function capable [2022-12-13 14:40:29,663 WARN L623 FunctionHandler]: Unknown extern function capable [2022-12-13 14:40:29,663 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 14:40:29,664 WARN L623 FunctionHandler]: Unknown extern function capable [2022-12-13 14:40:29,665 WARN L623 FunctionHandler]: Unknown extern function capable [2022-12-13 14:40:29,666 WARN L623 FunctionHandler]: Unknown extern function capable [2022-12-13 14:40:30,090 WARN L623 FunctionHandler]: Unknown extern function eth_mac_addr [2022-12-13 14:40:30,091 WARN L623 FunctionHandler]: Unknown extern function eth_validate_addr [2022-12-13 14:40:30,091 WARN L623 FunctionHandler]: Unknown extern function eth_change_mtu [2022-12-13 14:40:30,092 WARN L623 FunctionHandler]: Unknown extern function eth_mac_addr [2022-12-13 14:40:30,092 WARN L623 FunctionHandler]: Unknown extern function eth_validate_addr [2022-12-13 14:40:30,093 WARN L623 FunctionHandler]: Unknown extern function eth_change_mtu [2022-12-13 14:40:30,093 WARN L623 FunctionHandler]: Unknown extern function eth_mac_addr [2022-12-13 14:40:30,094 WARN L623 FunctionHandler]: Unknown extern function eth_validate_addr [2022-12-13 14:40:30,094 WARN L623 FunctionHandler]: Unknown extern function eth_change_mtu [2022-12-13 14:40:30,095 WARN L623 FunctionHandler]: Unknown extern function eth_mac_addr [2022-12-13 14:40:30,096 WARN L623 FunctionHandler]: Unknown extern function eth_validate_addr [2022-12-13 14:40:30,096 WARN L623 FunctionHandler]: Unknown extern function eth_change_mtu [2022-12-13 14:40:30,097 WARN L623 FunctionHandler]: Unknown extern function ldv_initialize [2022-12-13 14:40:30,099 WARN L623 FunctionHandler]: Unknown extern function ldv_switch_to_interrupt_context [2022-12-13 14:40:30,099 WARN L623 FunctionHandler]: Unknown extern function ldv_switch_to_process_context [2022-12-13 14:40:30,106 WARN L623 FunctionHandler]: Unknown extern function ldv_pre_probe [2022-12-13 14:40:30,107 WARN L623 FunctionHandler]: Unknown extern function ldv_pre_register_netdev [2022-12-13 14:40:30,110 WARN L623 FunctionHandler]: Unknown extern function ldv_switch_to_interrupt_context [2022-12-13 14:40:30,111 WARN L623 FunctionHandler]: Unknown extern function ldv_switch_to_process_context [2022-12-13 14:40:30,112 WARN L623 FunctionHandler]: Unknown extern function register_netdev [2022-12-13 14:40:30,113 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-12-13 14:40:30,113 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-12-13 14:40:30,114 WARN L623 FunctionHandler]: Unknown extern function mod_timer [2022-12-13 14:40:30,114 WARN L623 FunctionHandler]: Unknown extern function free_irq [2022-12-13 14:40:30,114 WARN L623 FunctionHandler]: Unknown extern function alloc_etherdev_mqs [2022-12-13 14:40:30,115 WARN L623 FunctionHandler]: Unknown extern function free_netdev [2022-12-13 14:40:30,115 WARN L623 FunctionHandler]: Unknown extern function unregister_netdev [2022-12-13 14:40:30,115 WARN L623 FunctionHandler]: Unknown extern function free_netdev [2022-12-13 14:40:30,115 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-12-13 14:40:30,116 WARN L623 FunctionHandler]: Unknown extern function del_timer_sync [2022-12-13 14:40:30,116 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-12-13 14:40:30,117 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-12-13 14:40:30,117 WARN L623 FunctionHandler]: Unknown extern function __pci_register_driver [2022-12-13 14:40:30,129 WARN L623 FunctionHandler]: Unknown extern function pci_unregister_driver [2022-12-13 14:40:30,181 WARN L623 FunctionHandler]: Unknown extern function ldv_check_alloc_flags [2022-12-13 14:40:30,182 WARN L623 FunctionHandler]: Unknown extern function ldv_after_alloc [2022-12-13 14:40:30,191 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-13 14:40:30,866 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_9e69370e-db04-46cf-ae64-7dbc435af5ee/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dec-tulip-de4x5.cil.i[479863,479876] [2022-12-13 14:40:30,869 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_9e69370e-db04-46cf-ae64-7dbc435af5ee/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dec-tulip-de4x5.cil.i[480032,480045] [2022-12-13 14:40:30,869 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_9e69370e-db04-46cf-ae64-7dbc435af5ee/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dec-tulip-de4x5.cil.i[480199,480212] [2022-12-13 14:40:30,870 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_9e69370e-db04-46cf-ae64-7dbc435af5ee/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dec-tulip-de4x5.cil.i[480367,480380] [2022-12-13 14:40:30,893 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 14:40:30,915 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 14:40:30,974 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock [2022-12-13 14:40:30,974 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock [2022-12-13 14:40:30,974 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock_irqrestore [2022-12-13 14:40:30,975 WARN L623 FunctionHandler]: Unknown extern function __phys_addr [2022-12-13 14:40:30,976 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-12-13 14:40:30,976 WARN L623 FunctionHandler]: Unknown extern function _copy_from_user [2022-12-13 14:40:30,977 WARN L623 FunctionHandler]: Unknown extern function _copy_from_user [2022-12-13 14:40:30,977 WARN L623 FunctionHandler]: Unknown extern function __copy_from_user_overflow [2022-12-13 14:40:30,977 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-12-13 14:40:30,977 WARN L623 FunctionHandler]: Unknown extern function _copy_to_user [2022-12-13 14:40:30,977 WARN L623 FunctionHandler]: Unknown extern function _copy_to_user [2022-12-13 14:40:30,978 WARN L623 FunctionHandler]: Unknown extern function __copy_to_user_overflow [2022-12-13 14:40:30,992 WARN L623 FunctionHandler]: Unknown extern function __phys_addr [2022-12-13 14:40:30,993 WARN L623 FunctionHandler]: Unknown extern function __phys_addr [2022-12-13 14:40:30,993 WARN L623 FunctionHandler]: Unknown extern function debug_dma_map_page [2022-12-13 14:40:30,994 WARN L623 FunctionHandler]: Unknown extern function debug_dma_unmap_page [2022-12-13 14:40:30,997 WARN L623 FunctionHandler]: Unknown extern function debug_dma_alloc_coherent [2022-12-13 14:40:30,998 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-12-13 14:40:30,998 WARN L623 FunctionHandler]: Unknown extern function debug_dma_free_coherent [2022-12-13 14:40:31,001 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-12-13 14:40:31,008 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-12-13 14:40:31,008 WARN L623 FunctionHandler]: Unknown extern function __netdev_alloc_skb [2022-12-13 14:40:31,009 WARN L623 FunctionHandler]: Unknown extern function netpoll_trap [2022-12-13 14:40:31,010 WARN L623 FunctionHandler]: Unknown extern function __netif_schedule [2022-12-13 14:40:31,011 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-12-13 14:40:31,011 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 14:40:31,012 WARN L623 FunctionHandler]: Unknown extern function __dev_kfree_skb_irq [2022-12-13 14:40:31,012 WARN L623 FunctionHandler]: Unknown extern function pci_bus_read_config_byte [2022-12-13 14:40:31,014 WARN L623 FunctionHandler]: Unknown extern function pci_bus_read_config_word [2022-12-13 14:40:31,016 WARN L623 FunctionHandler]: Unknown extern function pci_bus_write_config_byte [2022-12-13 14:40:31,017 WARN L623 FunctionHandler]: Unknown extern function pci_bus_write_config_word [2022-12-13 14:40:31,019 WARN L623 FunctionHandler]: Unknown extern function request_threaded_irq [2022-12-13 14:40:31,027 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 14:40:31,027 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 14:40:31,028 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 14:40:31,028 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 14:40:31,028 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 14:40:31,028 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 14:40:31,029 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 14:40:31,029 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 14:40:31,029 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 14:40:31,030 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 14:40:31,030 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 14:40:31,031 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 14:40:31,031 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 14:40:31,031 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 14:40:31,032 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-12-13 14:40:31,032 WARN L623 FunctionHandler]: Unknown extern function init_timer_key [2022-12-13 14:40:31,033 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-12-13 14:40:31,036 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 14:40:31,037 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 14:40:31,040 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-12-13 14:40:31,040 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 14:40:31,041 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 14:40:31,041 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 14:40:31,042 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 14:40:31,042 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 14:40:31,043 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 14:40:31,043 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 14:40:31,044 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 14:40:31,044 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 14:40:31,044 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 14:40:31,045 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 14:40:31,045 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 14:40:31,048 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 14:40:31,048 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 14:40:31,049 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 14:40:31,052 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 14:40:31,056 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 14:40:31,056 WARN L623 FunctionHandler]: Unknown extern function synchronize_irq [2022-12-13 14:40:31,057 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 14:40:31,061 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 14:40:31,062 WARN L623 FunctionHandler]: Unknown extern function eth_type_trans [2022-12-13 14:40:31,062 WARN L623 FunctionHandler]: Unknown extern function netif_rx [2022-12-13 14:40:31,071 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 14:40:31,078 WARN L623 FunctionHandler]: Unknown extern function crc32_le [2022-12-13 14:40:31,084 WARN L623 FunctionHandler]: Unknown extern function pci_enable_device [2022-12-13 14:40:31,086 WARN L623 FunctionHandler]: Unknown extern function __request_region [2022-12-13 14:40:31,087 WARN L623 FunctionHandler]: Unknown extern function __release_region [2022-12-13 14:40:31,087 WARN L623 FunctionHandler]: Unknown extern function pci_disable_device [2022-12-13 14:40:31,087 WARN L623 FunctionHandler]: Unknown extern function __release_region [2022-12-13 14:40:31,088 WARN L623 FunctionHandler]: Unknown extern function pci_disable_device [2022-12-13 14:40:31,134 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 14:40:31,137 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 14:40:31,140 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 14:40:31,140 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 14:40:31,140 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 14:40:31,141 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 14:40:31,142 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 14:40:31,142 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 14:40:31,142 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 14:40:31,142 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 14:40:31,167 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-12-13 14:40:31,168 WARN L623 FunctionHandler]: Unknown extern function consume_skb [2022-12-13 14:40:31,182 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 14:40:31,185 WARN L623 FunctionHandler]: Unknown extern function strncpy [2022-12-13 14:40:31,185 WARN L623 FunctionHandler]: Unknown extern function strstr [2022-12-13 14:40:31,203 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 14:40:31,204 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 14:40:31,204 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 14:40:31,205 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 14:40:31,206 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 14:40:31,211 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 14:40:31,212 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 14:40:31,239 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 14:40:31,239 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 14:40:31,240 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 14:40:31,240 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 14:40:31,241 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 14:40:31,243 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 14:40:31,243 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 14:40:31,247 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 14:40:31,247 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 14:40:31,247 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 14:40:31,247 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 14:40:31,248 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 14:40:31,248 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 14:40:31,248 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 14:40:31,248 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 14:40:31,249 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 14:40:31,249 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 14:40:31,251 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 14:40:31,252 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 14:40:31,253 WARN L623 FunctionHandler]: Unknown extern function strstr [2022-12-13 14:40:31,253 WARN L623 FunctionHandler]: Unknown extern function strstr [2022-12-13 14:40:31,254 WARN L623 FunctionHandler]: Unknown extern function strstr [2022-12-13 14:40:31,254 WARN L623 FunctionHandler]: Unknown extern function strstr [2022-12-13 14:40:31,255 WARN L623 FunctionHandler]: Unknown extern function strstr [2022-12-13 14:40:31,255 WARN L623 FunctionHandler]: Unknown extern function strstr [2022-12-13 14:40:31,255 WARN L623 FunctionHandler]: Unknown extern function strstr [2022-12-13 14:40:31,256 WARN L623 FunctionHandler]: Unknown extern function strstr [2022-12-13 14:40:31,256 WARN L623 FunctionHandler]: Unknown extern function strstr [2022-12-13 14:40:31,256 WARN L623 FunctionHandler]: Unknown extern function strstr [2022-12-13 14:40:31,257 WARN L623 FunctionHandler]: Unknown extern function strstr [2022-12-13 14:40:31,257 WARN L623 FunctionHandler]: Unknown extern function strstr [2022-12-13 14:40:31,258 WARN L623 FunctionHandler]: Unknown extern function strstr [2022-12-13 14:40:31,258 WARN L623 FunctionHandler]: Unknown extern function strstr [2022-12-13 14:40:31,259 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 14:40:31,259 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 14:40:31,259 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 14:40:31,260 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 14:40:31,260 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 14:40:31,260 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 14:40:31,260 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 14:40:31,261 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 14:40:31,261 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 14:40:31,261 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 14:40:31,262 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 14:40:31,262 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 14:40:31,262 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 14:40:31,262 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 14:40:31,263 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 14:40:31,263 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 14:40:31,263 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 14:40:31,264 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 14:40:31,264 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 14:40:31,265 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 14:40:31,265 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 14:40:31,265 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 14:40:31,266 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 14:40:31,266 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 14:40:31,267 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 14:40:31,267 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 14:40:31,267 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 14:40:31,268 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 14:40:31,268 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 14:40:31,270 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 14:40:31,271 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 14:40:31,271 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 14:40:31,271 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 14:40:31,271 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 14:40:31,271 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 14:40:31,272 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 14:40:31,272 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 14:40:31,272 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 14:40:31,273 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 14:40:31,273 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 14:40:31,274 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 14:40:31,275 WARN L623 FunctionHandler]: Unknown extern function capable [2022-12-13 14:40:31,276 WARN L623 FunctionHandler]: Unknown extern function capable [2022-12-13 14:40:31,277 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 14:40:31,277 WARN L623 FunctionHandler]: Unknown extern function capable [2022-12-13 14:40:31,278 WARN L623 FunctionHandler]: Unknown extern function capable [2022-12-13 14:40:31,279 WARN L623 FunctionHandler]: Unknown extern function capable [2022-12-13 14:40:31,287 WARN L623 FunctionHandler]: Unknown extern function eth_mac_addr [2022-12-13 14:40:31,288 WARN L623 FunctionHandler]: Unknown extern function eth_validate_addr [2022-12-13 14:40:31,288 WARN L623 FunctionHandler]: Unknown extern function eth_change_mtu [2022-12-13 14:40:31,288 WARN L623 FunctionHandler]: Unknown extern function eth_mac_addr [2022-12-13 14:40:31,289 WARN L623 FunctionHandler]: Unknown extern function eth_validate_addr [2022-12-13 14:40:31,289 WARN L623 FunctionHandler]: Unknown extern function eth_change_mtu [2022-12-13 14:40:31,289 WARN L623 FunctionHandler]: Unknown extern function eth_mac_addr [2022-12-13 14:40:31,289 WARN L623 FunctionHandler]: Unknown extern function eth_validate_addr [2022-12-13 14:40:31,290 WARN L623 FunctionHandler]: Unknown extern function eth_change_mtu [2022-12-13 14:40:31,290 WARN L623 FunctionHandler]: Unknown extern function eth_mac_addr [2022-12-13 14:40:31,290 WARN L623 FunctionHandler]: Unknown extern function eth_validate_addr [2022-12-13 14:40:31,291 WARN L623 FunctionHandler]: Unknown extern function eth_change_mtu [2022-12-13 14:40:31,291 WARN L623 FunctionHandler]: Unknown extern function ldv_initialize [2022-12-13 14:40:31,293 WARN L623 FunctionHandler]: Unknown extern function ldv_switch_to_interrupt_context [2022-12-13 14:40:31,293 WARN L623 FunctionHandler]: Unknown extern function ldv_switch_to_process_context [2022-12-13 14:40:31,301 WARN L623 FunctionHandler]: Unknown extern function ldv_pre_probe [2022-12-13 14:40:31,302 WARN L623 FunctionHandler]: Unknown extern function ldv_pre_register_netdev [2022-12-13 14:40:31,309 WARN L623 FunctionHandler]: Unknown extern function ldv_switch_to_interrupt_context [2022-12-13 14:40:31,309 WARN L623 FunctionHandler]: Unknown extern function ldv_switch_to_process_context [2022-12-13 14:40:31,313 WARN L623 FunctionHandler]: Unknown extern function register_netdev [2022-12-13 14:40:31,314 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-12-13 14:40:31,315 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-12-13 14:40:31,315 WARN L623 FunctionHandler]: Unknown extern function mod_timer [2022-12-13 14:40:31,315 WARN L623 FunctionHandler]: Unknown extern function free_irq [2022-12-13 14:40:31,316 WARN L623 FunctionHandler]: Unknown extern function alloc_etherdev_mqs [2022-12-13 14:40:31,316 WARN L623 FunctionHandler]: Unknown extern function free_netdev [2022-12-13 14:40:31,316 WARN L623 FunctionHandler]: Unknown extern function unregister_netdev [2022-12-13 14:40:31,316 WARN L623 FunctionHandler]: Unknown extern function free_netdev [2022-12-13 14:40:31,317 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-12-13 14:40:31,317 WARN L623 FunctionHandler]: Unknown extern function del_timer_sync [2022-12-13 14:40:31,318 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-12-13 14:40:31,318 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-12-13 14:40:31,318 WARN L623 FunctionHandler]: Unknown extern function __pci_register_driver [2022-12-13 14:40:31,318 WARN L623 FunctionHandler]: Unknown extern function pci_unregister_driver [2022-12-13 14:40:31,320 WARN L623 FunctionHandler]: Unknown extern function ldv_check_alloc_flags [2022-12-13 14:40:31,321 WARN L623 FunctionHandler]: Unknown extern function ldv_after_alloc [2022-12-13 14:40:31,321 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-13 14:40:31,336 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_9e69370e-db04-46cf-ae64-7dbc435af5ee/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dec-tulip-de4x5.cil.i[479863,479876] [2022-12-13 14:40:31,337 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_9e69370e-db04-46cf-ae64-7dbc435af5ee/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dec-tulip-de4x5.cil.i[480032,480045] [2022-12-13 14:40:31,337 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_9e69370e-db04-46cf-ae64-7dbc435af5ee/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dec-tulip-de4x5.cil.i[480199,480212] [2022-12-13 14:40:31,338 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_9e69370e-db04-46cf-ae64-7dbc435af5ee/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dec-tulip-de4x5.cil.i[480367,480380] [2022-12-13 14:40:31,345 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 14:40:31,450 INFO L208 MainTranslator]: Completed translation [2022-12-13 14:40:31,450 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:40:31 WrapperNode [2022-12-13 14:40:31,450 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 14:40:31,451 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 14:40:31,451 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 14:40:31,451 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 14:40:31,457 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:40:31" (1/1) ... [2022-12-13 14:40:31,544 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:40:31" (1/1) ... [2022-12-13 14:40:31,761 INFO L138 Inliner]: procedures = 544, calls = 4226, calls flagged for inlining = 248, calls inlined = 231, statements flattened = 8776 [2022-12-13 14:40:31,762 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 14:40:31,763 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 14:40:31,763 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 14:40:31,763 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 14:40:31,773 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:40:31" (1/1) ... [2022-12-13 14:40:31,773 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:40:31" (1/1) ... [2022-12-13 14:40:31,882 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:40:31" (1/1) ... [2022-12-13 14:40:31,882 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:40:31" (1/1) ... [2022-12-13 14:40:32,115 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:40:31" (1/1) ... [2022-12-13 14:40:32,140 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:40:31" (1/1) ... [2022-12-13 14:40:32,176 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:40:31" (1/1) ... [2022-12-13 14:40:32,191 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:40:31" (1/1) ... [2022-12-13 14:40:32,226 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 14:40:32,227 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 14:40:32,227 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 14:40:32,227 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 14:40:32,227 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:40:31" (1/1) ... [2022-12-13 14:40:32,232 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 14:40:32,239 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e69370e-db04-46cf-ae64-7dbc435af5ee/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 14:40:32,250 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e69370e-db04-46cf-ae64-7dbc435af5ee/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-13 14:40:32,252 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e69370e-db04-46cf-ae64-7dbc435af5ee/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-13 14:40:32,281 INFO L130 BoogieDeclarations]: Found specification of procedure disable_ast [2022-12-13 14:40:32,281 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_ast [2022-12-13 14:40:32,281 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-12-13 14:40:32,281 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-12-13 14:40:32,281 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2022-12-13 14:40:32,282 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2022-12-13 14:40:32,282 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-12-13 14:40:32,282 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-12-13 14:40:32,282 INFO L130 BoogieDeclarations]: Found specification of procedure type4_infoblock [2022-12-13 14:40:32,282 INFO L138 BoogieDeclarations]: Found implementation of procedure type4_infoblock [2022-12-13 14:40:32,282 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_put_cache [2022-12-13 14:40:32,282 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_put_cache [2022-12-13 14:40:32,282 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_word [2022-12-13 14:40:32,282 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_word [2022-12-13 14:40:32,282 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_lock_of_de4x5_private [2022-12-13 14:40:32,282 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_lock_of_de4x5_private [2022-12-13 14:40:32,282 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-12-13 14:40:32,282 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-12-13 14:40:32,282 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_lock_of_de4x5_private [2022-12-13 14:40:32,283 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_lock_of_de4x5_private [2022-12-13 14:40:32,283 INFO L130 BoogieDeclarations]: Found specification of procedure getfrom_mii [2022-12-13 14:40:32,283 INFO L138 BoogieDeclarations]: Found implementation of procedure getfrom_mii [2022-12-13 14:40:32,283 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_switch_mac_port [2022-12-13 14:40:32,283 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_switch_mac_port [2022-12-13 14:40:32,283 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-12-13 14:40:32,283 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-12-13 14:40:32,283 INFO L130 BoogieDeclarations]: Found specification of procedure srom_latch [2022-12-13 14:40:32,283 INFO L138 BoogieDeclarations]: Found implementation of procedure srom_latch [2022-12-13 14:40:32,283 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_69 [2022-12-13 14:40:32,283 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_69 [2022-12-13 14:40:32,283 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-12-13 14:40:32,283 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-12-13 14:40:32,283 INFO L130 BoogieDeclarations]: Found specification of procedure build_setup_frame [2022-12-13 14:40:32,284 INFO L138 BoogieDeclarations]: Found implementation of procedure build_setup_frame [2022-12-13 14:40:32,284 INFO L130 BoogieDeclarations]: Found specification of procedure type2_infoblock [2022-12-13 14:40:32,284 INFO L138 BoogieDeclarations]: Found implementation of procedure type2_infoblock [2022-12-13 14:40:32,284 INFO L130 BoogieDeclarations]: Found specification of procedure type0_infoblock [2022-12-13 14:40:32,284 INFO L138 BoogieDeclarations]: Found implementation of procedure type0_infoblock [2022-12-13 14:40:32,284 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_empty [2022-12-13 14:40:32,284 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_empty [2022-12-13 14:40:32,284 INFO L130 BoogieDeclarations]: Found specification of procedure DevicePresent [2022-12-13 14:40:32,284 INFO L138 BoogieDeclarations]: Found implementation of procedure DevicePresent [2022-12-13 14:40:32,284 INFO L130 BoogieDeclarations]: Found specification of procedure eth_mac_addr [2022-12-13 14:40:32,284 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_mac_addr [2022-12-13 14:40:32,284 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-12-13 14:40:32,284 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-12-13 14:40:32,284 INFO L130 BoogieDeclarations]: Found specification of procedure dc21143_infoleaf [2022-12-13 14:40:32,284 INFO L138 BoogieDeclarations]: Found implementation of procedure dc21143_infoleaf [2022-12-13 14:40:32,285 INFO L130 BoogieDeclarations]: Found specification of procedure set_multicast_list [2022-12-13 14:40:32,285 INFO L138 BoogieDeclarations]: Found implementation of procedure set_multicast_list [2022-12-13 14:40:32,285 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2022-12-13 14:40:32,285 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2022-12-13 14:40:32,285 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-12-13 14:40:32,285 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-12-13 14:40:32,285 INFO L130 BoogieDeclarations]: Found specification of procedure strstr [2022-12-13 14:40:32,285 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_sw_reset [2022-12-13 14:40:32,285 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_sw_reset [2022-12-13 14:40:32,285 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-13 14:40:32,285 INFO L130 BoogieDeclarations]: Found specification of procedure netif_queue_stopped [2022-12-13 14:40:32,285 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_queue_stopped [2022-12-13 14:40:32,285 INFO L130 BoogieDeclarations]: Found specification of procedure capable [2022-12-13 14:40:32,285 INFO L138 BoogieDeclarations]: Found implementation of procedure capable [2022-12-13 14:40:32,285 INFO L130 BoogieDeclarations]: Found specification of procedure eth_change_mtu [2022-12-13 14:40:32,286 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_change_mtu [2022-12-13 14:40:32,286 INFO L130 BoogieDeclarations]: Found specification of procedure is_spd_100 [2022-12-13 14:40:32,286 INFO L138 BoogieDeclarations]: Found implementation of procedure is_spd_100 [2022-12-13 14:40:32,286 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-12-13 14:40:32,286 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-12-13 14:40:32,286 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-12-13 14:40:32,286 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2022-12-13 14:40:32,286 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2022-12-13 14:40:32,286 INFO L130 BoogieDeclarations]: Found specification of procedure sendto_mii [2022-12-13 14:40:32,286 INFO L138 BoogieDeclarations]: Found implementation of procedure sendto_mii [2022-12-13 14:40:32,286 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_free_rx_buffs [2022-12-13 14:40:32,286 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_free_rx_buffs [2022-12-13 14:40:32,286 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-12-13 14:40:32,286 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-12-13 14:40:32,287 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-12-13 14:40:32,287 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-12-13 14:40:32,287 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~int [2022-12-13 14:40:32,287 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~int [2022-12-13 14:40:32,287 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-12-13 14:40:32,287 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-12-13 14:40:32,287 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-12-13 14:40:32,287 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-13 14:40:32,287 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2022-12-13 14:40:32,287 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2022-12-13 14:40:32,287 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-12-13 14:40:32,287 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-12-13 14:40:32,287 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2022-12-13 14:40:32,287 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2022-12-13 14:40:32,287 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2022-12-13 14:40:32,288 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2022-12-13 14:40:32,288 INFO L130 BoogieDeclarations]: Found specification of procedure ping_media [2022-12-13 14:40:32,288 INFO L138 BoogieDeclarations]: Found implementation of procedure ping_media [2022-12-13 14:40:32,288 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2022-12-13 14:40:32,288 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2022-12-13 14:40:32,288 INFO L130 BoogieDeclarations]: Found specification of procedure srom_autoconf [2022-12-13 14:40:32,288 INFO L138 BoogieDeclarations]: Found implementation of procedure srom_autoconf [2022-12-13 14:40:32,288 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2022-12-13 14:40:32,288 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2022-12-13 14:40:32,288 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2022-12-13 14:40:32,288 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2022-12-13 14:40:32,288 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_tx [2022-12-13 14:40:32,288 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_tx [2022-12-13 14:40:32,288 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2022-12-13 14:40:32,288 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2022-12-13 14:40:32,289 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_dequeue [2022-12-13 14:40:32,289 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_dequeue [2022-12-13 14:40:32,289 INFO L130 BoogieDeclarations]: Found specification of procedure srom_rd [2022-12-13 14:40:32,289 INFO L138 BoogieDeclarations]: Found implementation of procedure srom_rd [2022-12-13 14:40:32,289 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-12-13 14:40:32,289 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2022-12-13 14:40:32,289 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2022-12-13 14:40:32,289 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2022-12-13 14:40:32,289 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2022-12-13 14:40:32,289 INFO L130 BoogieDeclarations]: Found specification of procedure SetMulticastFilter [2022-12-13 14:40:32,289 INFO L138 BoogieDeclarations]: Found implementation of procedure SetMulticastFilter [2022-12-13 14:40:32,289 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-13 14:40:32,289 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_ioctl [2022-12-13 14:40:32,289 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_ioctl [2022-12-13 14:40:32,290 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-12-13 14:40:32,290 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-12-13 14:40:32,290 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-12-13 14:40:32,290 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-12-13 14:40:32,290 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-12-13 14:40:32,290 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-12-13 14:40:32,290 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-12-13 14:40:32,290 INFO L130 BoogieDeclarations]: Found specification of procedure getfrom_srom [2022-12-13 14:40:32,290 INFO L138 BoogieDeclarations]: Found implementation of procedure getfrom_srom [2022-12-13 14:40:32,290 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_to_user [2022-12-13 14:40:32,290 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_to_user [2022-12-13 14:40:32,290 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2022-12-13 14:40:32,290 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2022-12-13 14:40:32,291 INFO L130 BoogieDeclarations]: Found specification of procedure mii_swap [2022-12-13 14:40:32,291 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_swap [2022-12-13 14:40:32,291 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_reset_phy [2022-12-13 14:40:32,291 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_reset_phy [2022-12-13 14:40:32,291 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_putb_cache [2022-12-13 14:40:32,291 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_putb_cache [2022-12-13 14:40:32,291 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2022-12-13 14:40:32,291 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2022-12-13 14:40:32,291 INFO L130 BoogieDeclarations]: Found specification of procedure dc21142_infoleaf [2022-12-13 14:40:32,291 INFO L138 BoogieDeclarations]: Found implementation of procedure dc21142_infoleaf [2022-12-13 14:40:32,292 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-12-13 14:40:32,292 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-12-13 14:40:32,292 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_get_stats [2022-12-13 14:40:32,292 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_get_stats [2022-12-13 14:40:32,292 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2022-12-13 14:40:32,292 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2022-12-13 14:40:32,292 INFO L130 BoogieDeclarations]: Found specification of procedure dev_name [2022-12-13 14:40:32,292 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_name [2022-12-13 14:40:32,292 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_init_connection [2022-12-13 14:40:32,292 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_init_connection [2022-12-13 14:40:32,292 INFO L130 BoogieDeclarations]: Found specification of procedure mii_wr [2022-12-13 14:40:32,293 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_wr [2022-12-13 14:40:32,293 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 14:40:32,293 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 14:40:32,293 INFO L130 BoogieDeclarations]: Found specification of procedure dc21040_state [2022-12-13 14:40:32,293 INFO L138 BoogieDeclarations]: Found implementation of procedure dc21040_state [2022-12-13 14:40:32,293 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy [2022-12-13 14:40:32,293 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy [2022-12-13 14:40:32,293 INFO L130 BoogieDeclarations]: Found specification of procedure type3_infoblock [2022-12-13 14:40:32,293 INFO L138 BoogieDeclarations]: Found implementation of procedure type3_infoblock [2022-12-13 14:40:32,293 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-12-13 14:40:32,293 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-12-13 14:40:32,294 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-12-13 14:40:32,294 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-12-13 14:40:32,294 INFO L130 BoogieDeclarations]: Found specification of procedure reset_init_sia [2022-12-13 14:40:32,294 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_init_sia [2022-12-13 14:40:32,294 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-12-13 14:40:32,294 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-12-13 14:40:32,294 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2022-12-13 14:40:32,294 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2022-12-13 14:40:32,294 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_alloc_rx_buff [2022-12-13 14:40:32,294 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_alloc_rx_buff [2022-12-13 14:40:32,294 INFO L130 BoogieDeclarations]: Found specification of procedure test_for_100Mb [2022-12-13 14:40:32,295 INFO L138 BoogieDeclarations]: Found implementation of procedure test_for_100Mb [2022-12-13 14:40:32,295 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2022-12-13 14:40:32,295 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2022-12-13 14:40:32,295 INFO L130 BoogieDeclarations]: Found specification of procedure type5_infoblock [2022-12-13 14:40:32,295 INFO L138 BoogieDeclarations]: Found implementation of procedure type5_infoblock [2022-12-13 14:40:32,295 INFO L130 BoogieDeclarations]: Found specification of procedure load_packet [2022-12-13 14:40:32,295 INFO L138 BoogieDeclarations]: Found implementation of procedure load_packet [2022-12-13 14:40:32,295 INFO L130 BoogieDeclarations]: Found specification of procedure dc21140m_autoconf [2022-12-13 14:40:32,295 INFO L138 BoogieDeclarations]: Found implementation of procedure dc21140m_autoconf [2022-12-13 14:40:32,295 INFO L130 BoogieDeclarations]: Found specification of procedure is_100_up [2022-12-13 14:40:32,296 INFO L138 BoogieDeclarations]: Found implementation of procedure is_100_up [2022-12-13 14:40:32,296 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_open [2022-12-13 14:40:32,296 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_open [2022-12-13 14:40:32,296 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-12-13 14:40:32,296 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-12-13 14:40:32,296 INFO L130 BoogieDeclarations]: Found specification of procedure mii_ta [2022-12-13 14:40:32,296 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_ta [2022-12-13 14:40:32,296 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2022-12-13 14:40:32,296 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2022-12-13 14:40:32,296 INFO L130 BoogieDeclarations]: Found specification of procedure dc21040_autoconf [2022-12-13 14:40:32,296 INFO L138 BoogieDeclarations]: Found implementation of procedure dc21040_autoconf [2022-12-13 14:40:32,297 INFO L130 BoogieDeclarations]: Found specification of procedure get_unaligned_le16 [2022-12-13 14:40:32,297 INFO L138 BoogieDeclarations]: Found implementation of procedure get_unaligned_le16 [2022-12-13 14:40:32,297 INFO L130 BoogieDeclarations]: Found specification of procedure test_mii_reg [2022-12-13 14:40:32,297 INFO L138 BoogieDeclarations]: Found implementation of procedure test_mii_reg [2022-12-13 14:40:32,297 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_cache_state [2022-12-13 14:40:32,297 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_cache_state [2022-12-13 14:40:32,297 INFO L130 BoogieDeclarations]: Found specification of procedure netif_start_queue [2022-12-13 14:40:32,297 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_start_queue [2022-12-13 14:40:32,297 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_pci_remove [2022-12-13 14:40:32,297 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_pci_remove [2022-12-13 14:40:32,297 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-13 14:40:32,298 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_dbg_media [2022-12-13 14:40:32,298 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_dbg_media [2022-12-13 14:40:32,298 INFO L130 BoogieDeclarations]: Found specification of procedure autoconf_media [2022-12-13 14:40:32,298 INFO L138 BoogieDeclarations]: Found implementation of procedure autoconf_media [2022-12-13 14:40:32,298 INFO L130 BoogieDeclarations]: Found specification of procedure dc21041_autoconf [2022-12-13 14:40:32,298 INFO L138 BoogieDeclarations]: Found implementation of procedure dc21041_autoconf [2022-12-13 14:40:32,298 INFO L130 BoogieDeclarations]: Found specification of procedure mii_rd [2022-12-13 14:40:32,298 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_rd [2022-12-13 14:40:32,298 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-12-13 14:40:32,298 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_ast [2022-12-13 14:40:32,298 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_ast [2022-12-13 14:40:32,299 INFO L130 BoogieDeclarations]: Found specification of procedure get_unaligned_le32 [2022-12-13 14:40:32,299 INFO L138 BoogieDeclarations]: Found implementation of procedure get_unaligned_le32 [2022-12-13 14:40:32,299 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u_char~0~X~$Pointer$~TO~int [2022-12-13 14:40:32,299 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u_char~0~X~$Pointer$~TO~int [2022-12-13 14:40:32,299 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-12-13 14:40:32,299 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2022-12-13 14:40:32,299 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2022-12-13 14:40:32,299 INFO L130 BoogieDeclarations]: Found specification of procedure is_10_up [2022-12-13 14:40:32,299 INFO L138 BoogieDeclarations]: Found implementation of procedure is_10_up [2022-12-13 14:40:32,299 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2022-12-13 14:40:32,299 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2022-12-13 14:40:32,300 INFO L130 BoogieDeclarations]: Found specification of procedure pci_write_config_byte [2022-12-13 14:40:32,300 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_write_config_byte [2022-12-13 14:40:32,300 INFO L130 BoogieDeclarations]: Found specification of procedure is_anc_capable [2022-12-13 14:40:32,300 INFO L138 BoogieDeclarations]: Found implementation of procedure is_anc_capable [2022-12-13 14:40:32,300 INFO L130 BoogieDeclarations]: Found specification of procedure type1_infoblock [2022-12-13 14:40:32,300 INFO L138 BoogieDeclarations]: Found implementation of procedure type1_infoblock [2022-12-13 14:40:32,300 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-12-13 14:40:32,300 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-12-13 14:40:32,300 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2022-12-13 14:40:32,300 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2022-12-13 14:40:32,300 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_request_irq [2022-12-13 14:40:32,301 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_request_irq [2022-12-13 14:40:32,301 INFO L130 BoogieDeclarations]: Found specification of procedure dc21140_infoleaf [2022-12-13 14:40:32,301 INFO L138 BoogieDeclarations]: Found implementation of procedure dc21140_infoleaf [2022-12-13 14:40:32,301 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-12-13 14:40:32,301 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-12-13 14:40:32,301 INFO L130 BoogieDeclarations]: Found specification of procedure outl [2022-12-13 14:40:32,301 INFO L138 BoogieDeclarations]: Found implementation of procedure outl [2022-12-13 14:40:32,301 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_queue_pkt [2022-12-13 14:40:32,301 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_queue_pkt [2022-12-13 14:40:32,301 INFO L130 BoogieDeclarations]: Found specification of procedure test_media [2022-12-13 14:40:32,301 INFO L138 BoogieDeclarations]: Found implementation of procedure test_media [2022-12-13 14:40:32,302 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_free_tx_buffs [2022-12-13 14:40:32,302 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_free_tx_buffs [2022-12-13 14:40:32,302 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_insert [2022-12-13 14:40:32,302 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_insert [2022-12-13 14:40:32,302 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2022-12-13 14:40:32,302 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2022-12-13 14:40:32,302 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2022-12-13 14:40:32,302 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2022-12-13 14:40:32,302 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-12-13 14:40:32,302 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-12-13 14:40:32,303 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_init [2022-12-13 14:40:32,303 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_init [2022-12-13 14:40:32,303 INFO L130 BoogieDeclarations]: Found specification of procedure __release_region [2022-12-13 14:40:32,303 INFO L138 BoogieDeclarations]: Found implementation of procedure __release_region [2022-12-13 14:40:32,303 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_73 [2022-12-13 14:40:32,303 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_73 [2022-12-13 14:40:32,303 INFO L130 BoogieDeclarations]: Found specification of procedure dc21041_infoleaf [2022-12-13 14:40:32,303 INFO L138 BoogieDeclarations]: Found implementation of procedure dc21041_infoleaf [2022-12-13 14:40:32,303 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-13 14:40:32,303 INFO L130 BoogieDeclarations]: Found specification of procedure srom_exec [2022-12-13 14:40:32,303 INFO L138 BoogieDeclarations]: Found implementation of procedure srom_exec [2022-12-13 14:40:32,304 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-12-13 14:40:32,304 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-12-13 14:40:32,304 INFO L130 BoogieDeclarations]: Found specification of procedure gep_wr [2022-12-13 14:40:32,304 INFO L138 BoogieDeclarations]: Found implementation of procedure gep_wr [2022-12-13 14:40:32,304 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2022-12-13 14:40:32,304 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2022-12-13 14:40:32,304 INFO L130 BoogieDeclarations]: Found specification of procedure sendto_srom [2022-12-13 14:40:32,304 INFO L138 BoogieDeclarations]: Found implementation of procedure sendto_srom [2022-12-13 14:40:32,304 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2022-12-13 14:40:32,304 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2022-12-13 14:40:32,304 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_get_cache [2022-12-13 14:40:32,304 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_get_cache [2022-12-13 14:40:32,305 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_suspect_state [2022-12-13 14:40:32,305 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_suspect_state [2022-12-13 14:40:32,305 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_dbg_mii [2022-12-13 14:40:32,305 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_dbg_mii [2022-12-13 14:40:32,305 INFO L130 BoogieDeclarations]: Found specification of procedure compact_infoblock [2022-12-13 14:40:32,305 INFO L138 BoogieDeclarations]: Found implementation of procedure compact_infoblock [2022-12-13 14:40:32,305 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-12-13 14:40:32,305 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-12-13 14:40:32,305 INFO L130 BoogieDeclarations]: Found specification of procedure gep_rd [2022-12-13 14:40:32,305 INFO L138 BoogieDeclarations]: Found implementation of procedure gep_rd [2022-12-13 14:40:32,306 INFO L130 BoogieDeclarations]: Found specification of procedure mii_address [2022-12-13 14:40:32,306 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_address [2022-12-13 14:40:32,306 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_free_tx_buff [2022-12-13 14:40:32,306 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_free_tx_buff [2022-12-13 14:40:32,306 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_setup_intr [2022-12-13 14:40:32,306 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_setup_intr [2022-12-13 14:40:32,306 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_save_skbs [2022-12-13 14:40:32,306 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_save_skbs [2022-12-13 14:40:32,306 INFO L130 BoogieDeclarations]: Found specification of procedure dc2114x_autoconf [2022-12-13 14:40:32,306 INFO L138 BoogieDeclarations]: Found implementation of procedure dc2114x_autoconf [2022-12-13 14:40:32,306 INFO L130 BoogieDeclarations]: Found specification of procedure inb [2022-12-13 14:40:32,307 INFO L138 BoogieDeclarations]: Found implementation of procedure inb [2022-12-13 14:40:32,307 INFO L130 BoogieDeclarations]: Found specification of procedure srom_map_media [2022-12-13 14:40:32,307 INFO L138 BoogieDeclarations]: Found implementation of procedure srom_map_media [2022-12-13 14:40:32,307 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_strncmp [2022-12-13 14:40:32,307 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_strncmp [2022-12-13 14:40:32,307 INFO L130 BoogieDeclarations]: Found specification of procedure inl [2022-12-13 14:40:32,307 INFO L138 BoogieDeclarations]: Found implementation of procedure inl [2022-12-13 14:40:32,307 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_close [2022-12-13 14:40:32,307 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_close [2022-12-13 14:40:32,307 INFO L130 BoogieDeclarations]: Found specification of procedure yawn [2022-12-13 14:40:32,307 INFO L138 BoogieDeclarations]: Found implementation of procedure yawn [2022-12-13 14:40:32,308 INFO L130 BoogieDeclarations]: Found specification of procedure mii_wdata [2022-12-13 14:40:32,308 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_wdata [2022-12-13 14:40:32,308 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-13 14:40:32,308 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-12-13 14:40:32,308 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-12-13 14:40:32,308 INFO L130 BoogieDeclarations]: Found specification of procedure strncpy [2022-12-13 14:40:33,144 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 14:40:33,147 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 14:40:33,489 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-12-13 14:40:48,774 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2022-12-13 14:40:49,054 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 14:40:49,087 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 14:40:49,087 INFO L300 CfgBuilder]: Removed 18 assume(true) statements. [2022-12-13 14:40:49,095 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 02:40:49 BoogieIcfgContainer [2022-12-13 14:40:49,095 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 14:40:49,097 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-13 14:40:49,097 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-13 14:40:49,100 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-13 14:40:49,100 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.12 02:40:27" (1/3) ... [2022-12-13 14:40:49,100 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@387101de and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 02:40:49, skipping insertion in model container [2022-12-13 14:40:49,101 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:40:31" (2/3) ... [2022-12-13 14:40:49,101 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@387101de and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 02:40:49, skipping insertion in model container [2022-12-13 14:40:49,101 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 02:40:49" (3/3) ... [2022-12-13 14:40:49,102 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dec-tulip-de4x5.cil.i [2022-12-13 14:40:49,118 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-13 14:40:49,118 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2022-12-13 14:40:49,240 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-13 14:40:49,246 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;@c7d76, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-12-13 14:40:49,246 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2022-12-13 14:40:49,260 INFO L276 IsEmpty]: Start isEmpty. Operand has 3969 states, 2834 states have (on average 1.360621030345801) internal successors, (3856), 2896 states have internal predecessors, (3856), 996 states have call successors, (996), 153 states have call predecessors, (996), 152 states have return successors, (989), 975 states have call predecessors, (989), 989 states have call successors, (989) [2022-12-13 14:40:49,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2022-12-13 14:40:49,272 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 14:40:49,273 INFO L195 NwaCegarLoop]: trace histogram [16, 16, 15, 15, 15, 15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:40:49,273 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 14:40:49,277 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 14:40:49,277 INFO L85 PathProgramCache]: Analyzing trace with hash -1415417246, now seen corresponding path program 1 times [2022-12-13 14:40:49,283 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 14:40:49,284 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1119473898] [2022-12-13 14:40:49,284 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 14:40:49,284 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 14:40:49,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:40:49,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-12-13 14:40:49,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:40:49,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:40:49,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:40:49,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-12-13 14:40:49,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:40:50,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:40:50,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:40:50,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-12-13 14:40:50,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:40:50,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:40:50,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:40:50,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-12-13 14:40:50,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:40:50,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:40:50,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:40:50,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-12-13 14:40:50,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:40:50,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:40:50,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:40:50,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-12-13 14:40:50,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:40:50,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:40:50,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:40:50,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-12-13 14:40:50,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:40:50,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:40:50,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:40:50,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-12-13 14:40:50,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:40:50,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:40:50,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:40:50,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-12-13 14:40:50,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:40:50,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:40:50,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:40:50,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-12-13 14:40:50,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:40:50,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:40:50,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:40:50,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-12-13 14:40:50,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:40:50,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:40:50,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:40:50,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-12-13 14:40:50,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:40:50,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:40:50,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:40:50,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-12-13 14:40:50,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:40:50,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:40:50,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:40:50,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-12-13 14:40:50,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:40:50,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:40:50,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:40:50,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-12-13 14:40:50,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:40:50,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:40:50,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:40:50,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2022-12-13 14:40:50,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:40:50,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-12-13 14:40:50,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:40:50,209 INFO L134 CoverageAnalysis]: Checked inductivity of 990 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 990 trivial. 0 not checked. [2022-12-13 14:40:50,209 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 14:40:50,210 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1119473898] [2022-12-13 14:40:50,210 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1119473898] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 14:40:50,210 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 14:40:50,211 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-13 14:40:50,212 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [485481521] [2022-12-13 14:40:50,212 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 14:40:50,216 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-13 14:40:50,216 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 14:40:50,242 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-13 14:40:50,243 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-13 14:40:50,250 INFO L87 Difference]: Start difference. First operand has 3969 states, 2834 states have (on average 1.360621030345801) internal successors, (3856), 2896 states have internal predecessors, (3856), 996 states have call successors, (996), 153 states have call predecessors, (996), 152 states have return successors, (989), 975 states have call predecessors, (989), 989 states have call successors, (989) Second operand has 4 states, 4 states have (on average 9.25) internal successors, (37), 3 states have internal predecessors, (37), 3 states have call successors, (20), 3 states have call predecessors, (20), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2022-12-13 14:40:52,295 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 14:40:54,304 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 14:41:04,806 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 14:41:04,806 INFO L93 Difference]: Finished difference Result 12014 states and 18101 transitions. [2022-12-13 14:41:04,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-13 14:41:04,808 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.25) internal successors, (37), 3 states have internal predecessors, (37), 3 states have call successors, (20), 3 states have call predecessors, (20), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) Word has length 189 [2022-12-13 14:41:04,810 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 14:41:04,857 INFO L225 Difference]: With dead ends: 12014 [2022-12-13 14:41:04,857 INFO L226 Difference]: Without dead ends: 8066 [2022-12-13 14:41:04,914 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-13 14:41:04,917 INFO L413 NwaCegarLoop]: 3348 mSDtfsCounter, 9666 mSDsluCounter, 4168 mSDsCounter, 0 mSdLazyCounter, 7124 mSolverCounterSat, 3518 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10539 SdHoareTripleChecker+Valid, 7516 SdHoareTripleChecker+Invalid, 10644 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3518 IncrementalHoareTripleChecker+Valid, 7124 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.9s IncrementalHoareTripleChecker+Time [2022-12-13 14:41:04,918 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10539 Valid, 7516 Invalid, 10644 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3518 Valid, 7124 Invalid, 2 Unknown, 0 Unchecked, 13.9s Time] [2022-12-13 14:41:04,941 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8066 states. [2022-12-13 14:41:05,237 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8066 to 7714. [2022-12-13 14:41:05,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7714 states, 5505 states have (on average 1.35858310626703) internal successors, (7479), 5597 states have internal predecessors, (7479), 1905 states have call successors, (1905), 302 states have call predecessors, (1905), 301 states have return successors, (1902), 1874 states have call predecessors, (1902), 1902 states have call successors, (1902) [2022-12-13 14:41:05,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7714 states to 7714 states and 11286 transitions. [2022-12-13 14:41:05,294 INFO L78 Accepts]: Start accepts. Automaton has 7714 states and 11286 transitions. Word has length 189 [2022-12-13 14:41:05,295 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 14:41:05,295 INFO L495 AbstractCegarLoop]: Abstraction has 7714 states and 11286 transitions. [2022-12-13 14:41:05,295 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.25) internal successors, (37), 3 states have internal predecessors, (37), 3 states have call successors, (20), 3 states have call predecessors, (20), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2022-12-13 14:41:05,295 INFO L276 IsEmpty]: Start isEmpty. Operand 7714 states and 11286 transitions. [2022-12-13 14:41:05,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2022-12-13 14:41:05,299 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 14:41:05,299 INFO L195 NwaCegarLoop]: trace histogram [16, 16, 15, 15, 15, 15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:41:05,299 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-13 14:41:05,299 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-12-13 14:41:05,300 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 14:41:05,300 INFO L85 PathProgramCache]: Analyzing trace with hash -1373989773, now seen corresponding path program 1 times [2022-12-13 14:41:05,300 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 14:41:05,300 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [510100360] [2022-12-13 14:41:05,300 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 14:41:05,300 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 14:41:05,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:41:05,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-12-13 14:41:05,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:41:05,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:41:05,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:41:05,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-12-13 14:41:05,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:41:05,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:41:05,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:41:05,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-12-13 14:41:05,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:41:05,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:41:05,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:41:05,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-12-13 14:41:05,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:41:05,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:41:05,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:41:05,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-12-13 14:41:05,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:41:05,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:41:05,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:41:05,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-12-13 14:41:05,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:41:05,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:41:05,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:41:05,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-12-13 14:41:05,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:41:05,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:41:05,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:41:05,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-12-13 14:41:05,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:41:05,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:41:05,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:41:05,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-12-13 14:41:05,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:41:05,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:41:05,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:41:05,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-12-13 14:41:05,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:41:05,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:41:05,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:41:05,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-12-13 14:41:05,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:41:05,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:41:05,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:41:05,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-12-13 14:41:05,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:41:05,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:41:05,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:41:05,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-12-13 14:41:05,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:41:05,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:41:05,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:41:05,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-12-13 14:41:05,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:41:05,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:41:05,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:41:05,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-12-13 14:41:05,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:41:05,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:41:05,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:41:05,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2022-12-13 14:41:05,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:41:05,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2022-12-13 14:41:05,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:41:05,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2022-12-13 14:41:05,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:41:05,800 INFO L134 CoverageAnalysis]: Checked inductivity of 990 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 990 trivial. 0 not checked. [2022-12-13 14:41:05,800 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 14:41:05,800 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [510100360] [2022-12-13 14:41:05,800 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [510100360] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 14:41:05,800 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 14:41:05,801 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-13 14:41:05,801 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1158065830] [2022-12-13 14:41:05,801 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 14:41:05,802 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-13 14:41:05,802 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 14:41:05,803 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-13 14:41:05,803 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-13 14:41:05,803 INFO L87 Difference]: Start difference. First operand 7714 states and 11286 transitions. Second operand has 4 states, 4 states have (on average 10.25) internal successors, (41), 3 states have internal predecessors, (41), 3 states have call successors, (21), 3 states have call predecessors, (21), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) [2022-12-13 14:41:07,833 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 14:41:09,837 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 14:41:20,768 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 14:41:20,768 INFO L93 Difference]: Finished difference Result 23334 states and 34647 transitions. [2022-12-13 14:41:20,768 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-13 14:41:20,768 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.25) internal successors, (41), 3 states have internal predecessors, (41), 3 states have call successors, (21), 3 states have call predecessors, (21), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) Word has length 195 [2022-12-13 14:41:20,769 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 14:41:20,842 INFO L225 Difference]: With dead ends: 23334 [2022-12-13 14:41:20,842 INFO L226 Difference]: Without dead ends: 15655 [2022-12-13 14:41:20,871 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 68 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-13 14:41:20,872 INFO L413 NwaCegarLoop]: 3348 mSDtfsCounter, 9489 mSDsluCounter, 4394 mSDsCounter, 0 mSdLazyCounter, 7173 mSolverCounterSat, 3599 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10309 SdHoareTripleChecker+Valid, 7742 SdHoareTripleChecker+Invalid, 10774 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3599 IncrementalHoareTripleChecker+Valid, 7173 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.3s IncrementalHoareTripleChecker+Time [2022-12-13 14:41:20,872 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10309 Valid, 7742 Invalid, 10774 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3599 Valid, 7173 Invalid, 2 Unknown, 0 Unchecked, 14.3s Time] [2022-12-13 14:41:20,886 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15655 states. [2022-12-13 14:41:21,388 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15655 to 15229. [2022-12-13 14:41:21,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15229 states, 10891 states have (on average 1.3532274354971996) internal successors, (14738), 10985 states have internal predecessors, (14738), 3698 states have call successors, (3698), 600 states have call predecessors, (3698), 637 states have return successors, (4175), 3763 states have call predecessors, (4175), 3695 states have call successors, (4175) [2022-12-13 14:41:21,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15229 states to 15229 states and 22611 transitions. [2022-12-13 14:41:21,485 INFO L78 Accepts]: Start accepts. Automaton has 15229 states and 22611 transitions. Word has length 195 [2022-12-13 14:41:21,486 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 14:41:21,486 INFO L495 AbstractCegarLoop]: Abstraction has 15229 states and 22611 transitions. [2022-12-13 14:41:21,486 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.25) internal successors, (41), 3 states have internal predecessors, (41), 3 states have call successors, (21), 3 states have call predecessors, (21), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) [2022-12-13 14:41:21,486 INFO L276 IsEmpty]: Start isEmpty. Operand 15229 states and 22611 transitions. [2022-12-13 14:41:21,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 208 [2022-12-13 14:41:21,492 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 14:41:21,493 INFO L195 NwaCegarLoop]: trace histogram [16, 16, 15, 15, 15, 15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:41:21,493 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-13 14:41:21,493 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-12-13 14:41:21,493 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 14:41:21,494 INFO L85 PathProgramCache]: Analyzing trace with hash 2069881753, now seen corresponding path program 1 times [2022-12-13 14:41:21,494 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 14:41:21,494 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1242228678] [2022-12-13 14:41:21,494 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 14:41:21,494 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 14:41:21,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:41:21,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-12-13 14:41:21,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:41:21,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:41:21,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:41:21,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-12-13 14:41:21,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:41:21,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:41:21,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:41:21,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-12-13 14:41:21,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:41:21,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:41:21,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:41:21,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-12-13 14:41:21,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:41:21,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:41:21,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:41:21,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-12-13 14:41:21,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:41:21,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:41:21,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:41:21,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-12-13 14:41:21,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:41:21,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:41:21,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:41:21,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-12-13 14:41:21,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:41:21,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:41:21,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:41:21,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-12-13 14:41:21,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:41:21,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:41:21,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:41:21,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-12-13 14:41:21,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:41:21,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:41:21,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:41:21,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-12-13 14:41:21,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:41:21,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:41:21,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:41:21,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-12-13 14:41:21,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:41:21,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:41:21,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:41:21,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-12-13 14:41:21,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:41:21,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:41:21,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:41:21,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-12-13 14:41:21,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:41:21,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:41:21,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:41:21,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-12-13 14:41:21,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:41:21,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:41:21,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:41:21,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-12-13 14:41:21,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:41:21,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:41:21,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:41:21,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2022-12-13 14:41:21,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:41:21,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2022-12-13 14:41:21,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:41:21,911 INFO L134 CoverageAnalysis]: Checked inductivity of 990 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 990 trivial. 0 not checked. [2022-12-13 14:41:21,912 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 14:41:21,912 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1242228678] [2022-12-13 14:41:21,912 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1242228678] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 14:41:21,912 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 14:41:21,912 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-13 14:41:21,912 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [310295694] [2022-12-13 14:41:21,913 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 14:41:21,913 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-13 14:41:21,913 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 14:41:21,914 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-13 14:41:21,914 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-13 14:41:21,914 INFO L87 Difference]: Start difference. First operand 15229 states and 22611 transitions. Second operand has 4 states, 4 states have (on average 13.5) internal successors, (54), 3 states have internal predecessors, (54), 3 states have call successors, (21), 3 states have call predecessors, (21), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2022-12-13 14:41:23,582 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.67s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 14:41:25,591 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 14:41:35,184 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 14:41:35,184 INFO L93 Difference]: Finished difference Result 46223 states and 68972 transitions. [2022-12-13 14:41:35,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-13 14:41:35,184 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.5) internal successors, (54), 3 states have internal predecessors, (54), 3 states have call successors, (21), 3 states have call predecessors, (21), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) Word has length 207 [2022-12-13 14:41:35,185 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 14:41:35,305 INFO L225 Difference]: With dead ends: 46223 [2022-12-13 14:41:35,305 INFO L226 Difference]: Without dead ends: 31029 [2022-12-13 14:41:35,360 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-13 14:41:35,361 INFO L413 NwaCegarLoop]: 3335 mSDtfsCounter, 9619 mSDsluCounter, 4159 mSDsCounter, 0 mSdLazyCounter, 7137 mSolverCounterSat, 3572 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10483 SdHoareTripleChecker+Valid, 7494 SdHoareTripleChecker+Invalid, 10710 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3572 IncrementalHoareTripleChecker+Valid, 7137 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.3s IncrementalHoareTripleChecker+Time [2022-12-13 14:41:35,361 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10483 Valid, 7494 Invalid, 10710 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3572 Valid, 7137 Invalid, 1 Unknown, 0 Unchecked, 12.3s Time] [2022-12-13 14:41:35,386 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31029 states. [2022-12-13 14:41:36,225 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31029 to 30505. [2022-12-13 14:41:36,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30505 states, 21851 states have (on average 1.3506018031211386) internal successors, (29512), 21943 states have internal predecessors, (29512), 7340 states have call successors, (7340), 1198 states have call predecessors, (7340), 1311 states have return successors, (8603), 7603 states have call predecessors, (8603), 7337 states have call successors, (8603) [2022-12-13 14:41:36,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30505 states to 30505 states and 45455 transitions. [2022-12-13 14:41:36,379 INFO L78 Accepts]: Start accepts. Automaton has 30505 states and 45455 transitions. Word has length 207 [2022-12-13 14:41:36,380 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 14:41:36,380 INFO L495 AbstractCegarLoop]: Abstraction has 30505 states and 45455 transitions. [2022-12-13 14:41:36,380 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.5) internal successors, (54), 3 states have internal predecessors, (54), 3 states have call successors, (21), 3 states have call predecessors, (21), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2022-12-13 14:41:36,380 INFO L276 IsEmpty]: Start isEmpty. Operand 30505 states and 45455 transitions. [2022-12-13 14:41:36,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207 [2022-12-13 14:41:36,383 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 14:41:36,383 INFO L195 NwaCegarLoop]: trace histogram [16, 16, 15, 15, 15, 15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:41:36,384 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-12-13 14:41:36,384 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-12-13 14:41:36,384 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 14:41:36,384 INFO L85 PathProgramCache]: Analyzing trace with hash 164985443, now seen corresponding path program 1 times [2022-12-13 14:41:36,384 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 14:41:36,384 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2012082705] [2022-12-13 14:41:36,384 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 14:41:36,384 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 14:41:36,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:41:36,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-12-13 14:41:36,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:41:36,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:41:36,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:41:36,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-12-13 14:41:36,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:41:36,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:41:36,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:41:36,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-12-13 14:41:36,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:41:36,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:41:36,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:41:36,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-12-13 14:41:36,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:41:36,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:41:36,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:41:36,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-12-13 14:41:36,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:41:36,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:41:36,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:41:36,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-12-13 14:41:36,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:41:36,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:41:36,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:41:36,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-12-13 14:41:36,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:41:36,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:41:36,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:41:36,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-12-13 14:41:36,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:41:36,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:41:36,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:41:36,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-12-13 14:41:36,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:41:36,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:41:36,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:41:36,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-12-13 14:41:36,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:41:36,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:41:36,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:41:36,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-12-13 14:41:36,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:41:36,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:41:36,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:41:36,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-12-13 14:41:36,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:41:36,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:41:36,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:41:36,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-12-13 14:41:36,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:41:36,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:41:36,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:41:36,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-12-13 14:41:36,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:41:36,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:41:36,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:41:36,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-12-13 14:41:36,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:41:36,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:41:36,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:41:36,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2022-12-13 14:41:36,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:41:36,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-12-13 14:41:36,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:41:36,757 INFO L134 CoverageAnalysis]: Checked inductivity of 990 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 990 trivial. 0 not checked. [2022-12-13 14:41:36,757 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 14:41:36,757 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2012082705] [2022-12-13 14:41:36,757 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2012082705] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 14:41:36,757 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 14:41:36,758 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-13 14:41:36,758 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [620539946] [2022-12-13 14:41:36,758 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 14:41:36,758 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-13 14:41:36,758 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 14:41:36,758 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-13 14:41:36,759 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-13 14:41:36,759 INFO L87 Difference]: Start difference. First operand 30505 states and 45455 transitions. Second operand has 4 states, 4 states have (on average 13.25) internal successors, (53), 3 states have internal predecessors, (53), 3 states have call successors, (21), 3 states have call predecessors, (21), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2022-12-13 14:41:38,788 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 14:41:40,793 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 14:41:51,115 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 14:41:51,115 INFO L93 Difference]: Finished difference Result 92069 states and 137548 transitions. [2022-12-13 14:41:51,116 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-13 14:41:51,117 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.25) internal successors, (53), 3 states have internal predecessors, (53), 3 states have call successors, (21), 3 states have call predecessors, (21), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) Word has length 206 [2022-12-13 14:41:51,117 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 14:41:51,345 INFO L225 Difference]: With dead ends: 92069 [2022-12-13 14:41:51,345 INFO L226 Difference]: Without dead ends: 61599 [2022-12-13 14:41:51,492 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-13 14:41:51,493 INFO L413 NwaCegarLoop]: 3343 mSDtfsCounter, 9614 mSDsluCounter, 4165 mSDsCounter, 0 mSdLazyCounter, 7142 mSolverCounterSat, 3566 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10478 SdHoareTripleChecker+Valid, 7508 SdHoareTripleChecker+Invalid, 10710 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3566 IncrementalHoareTripleChecker+Valid, 7142 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.7s IncrementalHoareTripleChecker+Time [2022-12-13 14:41:51,493 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10478 Valid, 7508 Invalid, 10710 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3566 Valid, 7142 Invalid, 2 Unknown, 0 Unchecked, 12.7s Time] [2022-12-13 14:41:51,546 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61599 states. [2022-12-13 14:41:53,419 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61599 to 60877. [2022-12-13 14:41:53,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 60877 states, 43631 states have (on average 1.3493158534069813) internal successors, (58872), 43719 states have internal predecessors, (58872), 14584 states have call successors, (14584), 2394 states have call predecessors, (14584), 2659 states have return successors, (17421), 15243 states have call predecessors, (17421), 14581 states have call successors, (17421) [2022-12-13 14:41:53,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60877 states to 60877 states and 90877 transitions. [2022-12-13 14:41:53,806 INFO L78 Accepts]: Start accepts. Automaton has 60877 states and 90877 transitions. Word has length 206 [2022-12-13 14:41:53,806 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 14:41:53,806 INFO L495 AbstractCegarLoop]: Abstraction has 60877 states and 90877 transitions. [2022-12-13 14:41:53,806 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.25) internal successors, (53), 3 states have internal predecessors, (53), 3 states have call successors, (21), 3 states have call predecessors, (21), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2022-12-13 14:41:53,806 INFO L276 IsEmpty]: Start isEmpty. Operand 60877 states and 90877 transitions. [2022-12-13 14:41:53,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2022-12-13 14:41:53,809 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 14:41:53,809 INFO L195 NwaCegarLoop]: trace histogram [16, 16, 15, 15, 15, 15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:41:53,809 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-12-13 14:41:53,809 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-12-13 14:41:53,809 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 14:41:53,809 INFO L85 PathProgramCache]: Analyzing trace with hash -517732394, now seen corresponding path program 1 times [2022-12-13 14:41:53,810 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 14:41:53,810 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [789451819] [2022-12-13 14:41:53,810 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 14:41:53,810 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 14:41:53,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:41:53,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-12-13 14:41:53,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:41:53,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:41:53,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:41:53,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-12-13 14:41:53,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:41:53,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:41:53,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:41:53,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-12-13 14:41:53,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:41:53,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:41:53,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:41:53,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-12-13 14:41:54,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:41:54,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:41:54,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:41:54,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-12-13 14:41:54,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:41:54,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:41:54,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:41:54,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-12-13 14:41:54,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:41:54,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:41:54,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:41:54,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-12-13 14:41:54,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:41:54,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:41:54,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:41:54,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-12-13 14:41:54,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:41:54,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:41:54,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:41:54,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-12-13 14:41:54,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:41:54,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:41:54,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:41:54,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-12-13 14:41:54,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:41:54,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:41:54,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:41:54,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-12-13 14:41:54,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:41:54,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:41:54,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:41:54,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-12-13 14:41:54,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:41:54,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:41:54,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:41:54,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-12-13 14:41:54,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:41:54,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:41:54,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:41:54,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-12-13 14:41:54,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:41:54,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:41:54,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:41:54,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-12-13 14:41:54,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:41:54,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:41:54,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:41:54,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2022-12-13 14:41:54,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:41:54,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2022-12-13 14:41:54,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:41:54,178 INFO L134 CoverageAnalysis]: Checked inductivity of 990 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 990 trivial. 0 not checked. [2022-12-13 14:41:54,179 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 14:41:54,179 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [789451819] [2022-12-13 14:41:54,179 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [789451819] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 14:41:54,179 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 14:41:54,179 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-13 14:41:54,179 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [304444820] [2022-12-13 14:41:54,179 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 14:41:54,180 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-13 14:41:54,180 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 14:41:54,181 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-13 14:41:54,181 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-13 14:41:54,181 INFO L87 Difference]: Start difference. First operand 60877 states and 90877 transitions. Second operand has 4 states, 4 states have (on average 13.0) internal successors, (52), 3 states have internal predecessors, (52), 3 states have call successors, (21), 3 states have call predecessors, (21), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2022-12-13 14:41:56,211 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 14:41:58,214 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 14:42:10,543 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 14:42:10,543 INFO L93 Difference]: Finished difference Result 183221 states and 273942 transitions. [2022-12-13 14:42:10,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-13 14:42:10,544 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.0) internal successors, (52), 3 states have internal predecessors, (52), 3 states have call successors, (21), 3 states have call predecessors, (21), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) Word has length 205 [2022-12-13 14:42:10,544 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 14:42:11,017 INFO L225 Difference]: With dead ends: 183221 [2022-12-13 14:42:11,017 INFO L226 Difference]: Without dead ends: 122379 [2022-12-13 14:42:11,237 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-13 14:42:11,238 INFO L413 NwaCegarLoop]: 3348 mSDtfsCounter, 9616 mSDsluCounter, 4172 mSDsCounter, 0 mSdLazyCounter, 7142 mSolverCounterSat, 3566 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10478 SdHoareTripleChecker+Valid, 7520 SdHoareTripleChecker+Invalid, 10710 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3566 IncrementalHoareTripleChecker+Valid, 7142 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.0s IncrementalHoareTripleChecker+Time [2022-12-13 14:42:11,238 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10478 Valid, 7520 Invalid, 10710 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3566 Valid, 7142 Invalid, 2 Unknown, 0 Unchecked, 13.0s Time] [2022-12-13 14:42:11,406 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 122379 states. [2022-12-13 14:42:15,143 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 122379 to 121261. [2022-12-13 14:42:15,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 121261 states, 86911 states have (on average 1.3486900392355399) internal successors, (117216), 86991 states have internal predecessors, (117216), 28992 states have call successors, (28992), 4786 states have call predecessors, (28992), 5355 states have return successors, (35021), 30443 states have call predecessors, (35021), 28989 states have call successors, (35021) [2022-12-13 14:42:16,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121261 states to 121261 states and 181229 transitions. [2022-12-13 14:42:16,049 INFO L78 Accepts]: Start accepts. Automaton has 121261 states and 181229 transitions. Word has length 205 [2022-12-13 14:42:16,049 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 14:42:16,049 INFO L495 AbstractCegarLoop]: Abstraction has 121261 states and 181229 transitions. [2022-12-13 14:42:16,050 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.0) internal successors, (52), 3 states have internal predecessors, (52), 3 states have call successors, (21), 3 states have call predecessors, (21), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2022-12-13 14:42:16,050 INFO L276 IsEmpty]: Start isEmpty. Operand 121261 states and 181229 transitions. [2022-12-13 14:42:16,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 209 [2022-12-13 14:42:16,053 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 14:42:16,053 INFO L195 NwaCegarLoop]: trace histogram [16, 16, 15, 15, 15, 15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:42:16,053 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-12-13 14:42:16,053 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-12-13 14:42:16,054 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 14:42:16,054 INFO L85 PathProgramCache]: Analyzing trace with hash -1087362234, now seen corresponding path program 1 times [2022-12-13 14:42:16,054 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 14:42:16,054 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1027391497] [2022-12-13 14:42:16,054 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 14:42:16,054 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 14:42:16,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:42:16,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-12-13 14:42:16,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:42:16,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:42:16,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:42:16,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-12-13 14:42:16,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:42:16,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:42:16,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:42:16,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-12-13 14:42:16,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:42:16,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:42:16,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:42:16,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-12-13 14:42:16,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:42:16,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:42:16,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:42:16,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-12-13 14:42:16,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:42:16,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:42:16,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:42:16,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-12-13 14:42:16,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:42:16,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:42:16,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:42:16,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-12-13 14:42:16,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:42:16,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:42:16,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:42:16,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-12-13 14:42:16,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:42:16,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:42:16,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:42:16,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-12-13 14:42:16,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:42:16,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:42:16,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:42:16,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-12-13 14:42:16,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:42:16,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:42:16,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:42:16,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-12-13 14:42:16,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:42:16,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:42:16,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:42:16,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-12-13 14:42:16,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:42:16,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:42:16,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:42:16,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-12-13 14:42:16,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:42:16,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:42:16,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:42:16,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-12-13 14:42:16,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:42:16,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:42:16,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:42:16,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-12-13 14:42:16,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:42:16,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:42:16,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:42:16,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2022-12-13 14:42:16,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:42:16,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2022-12-13 14:42:16,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:42:16,495 INFO L134 CoverageAnalysis]: Checked inductivity of 990 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 990 trivial. 0 not checked. [2022-12-13 14:42:16,495 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 14:42:16,495 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1027391497] [2022-12-13 14:42:16,495 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1027391497] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 14:42:16,496 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 14:42:16,496 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-13 14:42:16,496 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [29652930] [2022-12-13 14:42:16,496 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 14:42:16,497 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-13 14:42:16,497 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 14:42:16,497 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-13 14:42:16,497 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-13 14:42:16,497 INFO L87 Difference]: Start difference. First operand 121261 states and 181229 transitions. Second operand has 4 states, 4 states have (on average 13.75) internal successors, (55), 3 states have internal predecessors, (55), 3 states have call successors, (21), 3 states have call predecessors, (21), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2022-12-13 14:42:18,531 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 14:42:20,535 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 14:42:36,369 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 14:42:36,369 INFO L93 Difference]: Finished difference Result 363475 states and 543738 transitions. [2022-12-13 14:42:36,370 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-13 14:42:36,370 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.75) internal successors, (55), 3 states have internal predecessors, (55), 3 states have call successors, (21), 3 states have call predecessors, (21), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) Word has length 208 [2022-12-13 14:42:36,371 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 14:42:37,461 INFO L225 Difference]: With dead ends: 363475 [2022-12-13 14:42:37,461 INFO L226 Difference]: Without dead ends: 242249 [2022-12-13 14:42:37,926 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-13 14:42:37,926 INFO L413 NwaCegarLoop]: 3344 mSDtfsCounter, 9612 mSDsluCounter, 4166 mSDsCounter, 0 mSdLazyCounter, 7140 mSolverCounterSat, 3568 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10475 SdHoareTripleChecker+Valid, 7510 SdHoareTripleChecker+Invalid, 10710 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3568 IncrementalHoareTripleChecker+Valid, 7140 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.1s IncrementalHoareTripleChecker+Time [2022-12-13 14:42:37,926 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10475 Valid, 7510 Invalid, 10710 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3568 Valid, 7140 Invalid, 2 Unknown, 0 Unchecked, 13.1s Time] [2022-12-13 14:42:38,115 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 242249 states. [2022-12-13 14:42:45,857 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 242249 to 240291. [2022-12-13 14:42:45,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 240291 states, 172225 states have (on average 1.3486543765423138) internal successors, (232272), 172269 states have internal predecessors, (232272), 57370 states have call successors, (57370), 9518 states have call predecessors, (57370), 10693 states have return successors, (69743), 60409 states have call predecessors, (69743), 57367 states have call successors, (69743) [2022-12-13 14:42:47,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 240291 states to 240291 states and 359385 transitions. [2022-12-13 14:42:47,610 INFO L78 Accepts]: Start accepts. Automaton has 240291 states and 359385 transitions. Word has length 208 [2022-12-13 14:42:47,610 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 14:42:47,610 INFO L495 AbstractCegarLoop]: Abstraction has 240291 states and 359385 transitions. [2022-12-13 14:42:47,610 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.75) internal successors, (55), 3 states have internal predecessors, (55), 3 states have call successors, (21), 3 states have call predecessors, (21), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2022-12-13 14:42:47,611 INFO L276 IsEmpty]: Start isEmpty. Operand 240291 states and 359385 transitions. [2022-12-13 14:42:47,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 242 [2022-12-13 14:42:47,620 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 14:42:47,620 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 15, 15, 15, 15, 15, 15, 4, 4, 4, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:42:47,620 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-12-13 14:42:47,620 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 14:42:47,620 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 14:42:47,620 INFO L85 PathProgramCache]: Analyzing trace with hash -759842431, now seen corresponding path program 1 times [2022-12-13 14:42:47,621 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 14:42:47,621 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [123625029] [2022-12-13 14:42:47,621 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 14:42:47,621 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 14:42:47,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:42:47,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-12-13 14:42:47,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:42:47,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:42:47,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:42:47,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-12-13 14:42:47,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:42:47,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:42:47,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:42:47,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-12-13 14:42:47,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:42:47,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:42:47,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:42:47,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-12-13 14:42:47,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:42:47,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:42:47,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:42:47,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-12-13 14:42:47,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:42:47,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:42:47,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:42:47,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-12-13 14:42:47,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:42:47,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:42:47,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:42:47,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-12-13 14:42:47,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:42:47,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:42:47,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:42:47,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-12-13 14:42:47,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:42:47,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:42:47,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:42:47,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-12-13 14:42:47,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:42:47,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:42:47,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:42:47,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-12-13 14:42:47,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:42:47,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:42:47,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:42:47,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-12-13 14:42:47,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:42:47,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:42:47,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:42:47,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-12-13 14:42:47,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:42:47,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:42:47,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:42:47,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-12-13 14:42:47,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:42:47,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:42:47,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:42:47,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-12-13 14:42:47,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:42:47,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:42:47,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:42:47,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-12-13 14:42:47,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:42:47,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:42:47,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:42:47,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2022-12-13 14:42:47,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:42:47,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2022-12-13 14:42:47,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:42:47,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2022-12-13 14:42:48,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:42:48,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2022-12-13 14:42:48,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:42:48,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2022-12-13 14:42:48,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:42:48,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:42:48,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:42:48,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2022-12-13 14:42:48,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:42:48,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2022-12-13 14:42:48,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:42:48,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2022-12-13 14:42:48,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:42:48,039 INFO L134 CoverageAnalysis]: Checked inductivity of 1173 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 1167 trivial. 0 not checked. [2022-12-13 14:42:48,039 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 14:42:48,039 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [123625029] [2022-12-13 14:42:48,040 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [123625029] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 14:42:48,040 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 14:42:48,040 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-13 14:42:48,040 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1923816456] [2022-12-13 14:42:48,040 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 14:42:48,040 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-13 14:42:48,040 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 14:42:48,041 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-13 14:42:48,041 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-13 14:42:48,041 INFO L87 Difference]: Start difference. First operand 240291 states and 359385 transitions. Second operand has 4 states, 4 states have (on average 15.0) internal successors, (60), 3 states have internal predecessors, (60), 3 states have call successors, (27), 3 states have call predecessors, (27), 1 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) [2022-12-13 14:42:50,082 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 14:42:52,087 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 14:43:10,682 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 14:43:10,682 INFO L93 Difference]: Finished difference Result 483667 states and 723380 transitions. [2022-12-13 14:43:10,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-13 14:43:10,683 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 15.0) internal successors, (60), 3 states have internal predecessors, (60), 3 states have call successors, (27), 3 states have call predecessors, (27), 1 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) Word has length 241 [2022-12-13 14:43:10,684 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 14:43:12,188 INFO L225 Difference]: With dead ends: 483667 [2022-12-13 14:43:12,188 INFO L226 Difference]: Without dead ends: 362643 [2022-12-13 14:43:12,708 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 80 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-13 14:43:12,708 INFO L413 NwaCegarLoop]: 5976 mSDtfsCounter, 7170 mSDsluCounter, 5502 mSDsCounter, 0 mSdLazyCounter, 9172 mSolverCounterSat, 2606 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8037 SdHoareTripleChecker+Valid, 11478 SdHoareTripleChecker+Invalid, 11780 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2606 IncrementalHoareTripleChecker+Valid, 9172 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.4s IncrementalHoareTripleChecker+Time [2022-12-13 14:43:12,709 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8037 Valid, 11478 Invalid, 11780 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2606 Valid, 9172 Invalid, 2 Unknown, 0 Unchecked, 13.4s Time] [2022-12-13 14:43:13,125 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 362643 states. [2022-12-13 14:43:25,464 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 362643 to 359875. [2022-12-13 14:43:25,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 359875 states, 257969 states have (on average 1.3488403645399254) internal successors, (347959), 258002 states have internal predecessors, (347959), 85864 states have call successors, (85864), 14276 states have call predecessors, (85864), 16039 states have return successors, (104425), 90455 states have call predecessors, (104425), 85861 states have call successors, (104425) [2022-12-13 14:43:27,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 359875 states to 359875 states and 538248 transitions. [2022-12-13 14:43:27,960 INFO L78 Accepts]: Start accepts. Automaton has 359875 states and 538248 transitions. Word has length 241 [2022-12-13 14:43:27,961 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 14:43:27,961 INFO L495 AbstractCegarLoop]: Abstraction has 359875 states and 538248 transitions. [2022-12-13 14:43:27,961 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.0) internal successors, (60), 3 states have internal predecessors, (60), 3 states have call successors, (27), 3 states have call predecessors, (27), 1 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) [2022-12-13 14:43:27,961 INFO L276 IsEmpty]: Start isEmpty. Operand 359875 states and 538248 transitions. [2022-12-13 14:43:27,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 242 [2022-12-13 14:43:27,969 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 14:43:27,969 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 15, 15, 15, 15, 15, 15, 4, 4, 4, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:43:27,969 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-12-13 14:43:27,969 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 14:43:27,969 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 14:43:27,970 INFO L85 PathProgramCache]: Analyzing trace with hash -337140605, now seen corresponding path program 1 times [2022-12-13 14:43:27,970 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 14:43:27,970 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1896334490] [2022-12-13 14:43:27,970 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 14:43:27,970 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 14:43:28,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:43:28,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-12-13 14:43:28,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:43:28,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:43:28,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:43:28,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-12-13 14:43:28,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:43:28,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:43:28,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:43:28,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-12-13 14:43:28,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:43:28,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:43:28,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:43:28,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-12-13 14:43:28,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:43:28,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:43:28,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:43:28,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-12-13 14:43:28,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:43:28,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:43:28,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:43:28,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-12-13 14:43:28,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:43:28,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:43:28,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:43:28,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-12-13 14:43:28,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:43:28,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:43:28,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:43:28,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-12-13 14:43:28,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:43:28,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:43:28,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:43:28,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-12-13 14:43:28,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:43:28,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:43:28,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:43:28,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-12-13 14:43:28,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:43:28,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:43:28,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:43:28,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-12-13 14:43:28,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:43:28,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:43:28,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:43:28,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-12-13 14:43:28,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:43:28,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:43:28,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:43:28,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-12-13 14:43:28,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:43:28,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:43:28,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:43:28,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-12-13 14:43:28,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:43:28,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:43:28,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:43:28,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-12-13 14:43:28,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:43:28,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:43:28,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:43:28,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2022-12-13 14:43:28,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:43:28,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2022-12-13 14:43:28,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:43:28,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2022-12-13 14:43:28,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:43:28,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2022-12-13 14:43:28,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:43:28,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2022-12-13 14:43:28,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:43:28,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:43:28,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:43:28,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2022-12-13 14:43:28,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:43:28,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2022-12-13 14:43:28,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:43:28,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2022-12-13 14:43:28,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:43:28,545 INFO L134 CoverageAnalysis]: Checked inductivity of 1173 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1173 trivial. 0 not checked. [2022-12-13 14:43:28,546 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 14:43:28,546 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1896334490] [2022-12-13 14:43:28,546 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1896334490] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 14:43:28,546 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 14:43:28,546 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-12-13 14:43:28,546 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1204862966] [2022-12-13 14:43:28,546 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 14:43:28,546 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-13 14:43:28,546 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 14:43:28,547 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 14:43:28,547 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-12-13 14:43:28,547 INFO L87 Difference]: Start difference. First operand 359875 states and 538248 transitions. Second operand has 6 states, 6 states have (on average 9.333333333333334) internal successors, (56), 4 states have internal predecessors, (56), 2 states have call successors, (26), 4 states have call predecessors, (26), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2022-12-13 14:43:30,392 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.84s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 14:43:47,072 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 14:43:47,072 INFO L93 Difference]: Finished difference Result 362626 states and 542561 transitions. [2022-12-13 14:43:47,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-13 14:43:47,074 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.333333333333334) internal successors, (56), 4 states have internal predecessors, (56), 2 states have call successors, (26), 4 states have call predecessors, (26), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) Word has length 241 [2022-12-13 14:43:47,074 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 14:43:48,707 INFO L225 Difference]: With dead ends: 362626 [2022-12-13 14:43:48,707 INFO L226 Difference]: Without dead ends: 362624 [2022-12-13 14:43:48,844 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 79 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2022-12-13 14:43:48,845 INFO L413 NwaCegarLoop]: 3038 mSDtfsCounter, 6780 mSDsluCounter, 6948 mSDsCounter, 0 mSdLazyCounter, 9060 mSolverCounterSat, 2964 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7051 SdHoareTripleChecker+Valid, 9986 SdHoareTripleChecker+Invalid, 12024 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2964 IncrementalHoareTripleChecker+Valid, 9060 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.1s IncrementalHoareTripleChecker+Time [2022-12-13 14:43:48,845 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7051 Valid, 9986 Invalid, 12024 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2964 Valid, 9060 Invalid, 0 Unknown, 0 Unchecked, 9.1s Time] [2022-12-13 14:43:49,119 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 362624 states. [2022-12-13 14:44:01,675 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 362624 to 359879. [2022-12-13 14:44:01,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 359879 states, 257972 states have (on average 1.348836307816352) internal successors, (347962), 258005 states have internal predecessors, (347962), 85864 states have call successors, (85864), 14277 states have call predecessors, (85864), 16040 states have return successors, (104425), 90455 states have call predecessors, (104425), 85861 states have call successors, (104425) [2022-12-13 14:44:04,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 359879 states to 359879 states and 538251 transitions. [2022-12-13 14:44:04,087 INFO L78 Accepts]: Start accepts. Automaton has 359879 states and 538251 transitions. Word has length 241 [2022-12-13 14:44:04,088 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 14:44:04,088 INFO L495 AbstractCegarLoop]: Abstraction has 359879 states and 538251 transitions. [2022-12-13 14:44:04,088 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.333333333333334) internal successors, (56), 4 states have internal predecessors, (56), 2 states have call successors, (26), 4 states have call predecessors, (26), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2022-12-13 14:44:04,088 INFO L276 IsEmpty]: Start isEmpty. Operand 359879 states and 538251 transitions. [2022-12-13 14:44:04,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 239 [2022-12-13 14:44:04,095 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 14:44:04,095 INFO L195 NwaCegarLoop]: trace histogram [16, 16, 15, 15, 15, 15, 15, 15, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 14:44:04,096 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-12-13 14:44:04,096 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-12-13 14:44:04,096 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 14:44:04,096 INFO L85 PathProgramCache]: Analyzing trace with hash -1858360249, now seen corresponding path program 1 times [2022-12-13 14:44:04,096 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 14:44:04,096 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1774114147] [2022-12-13 14:44:04,096 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 14:44:04,097 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 14:44:04,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:44:04,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-12-13 14:44:04,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:44:04,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:44:04,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:44:04,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-12-13 14:44:04,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:44:04,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:44:04,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:44:04,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-12-13 14:44:04,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:44:04,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:44:04,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:44:04,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-12-13 14:44:04,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:44:04,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:44:04,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:44:04,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-12-13 14:44:04,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:44:04,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:44:04,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:44:04,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-12-13 14:44:04,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:44:04,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:44:04,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:44:04,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-12-13 14:44:04,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:44:04,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:44:04,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:44:04,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-12-13 14:44:04,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:44:04,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:44:04,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:44:04,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-12-13 14:44:04,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:44:04,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:44:04,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:44:04,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-12-13 14:44:04,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:44:04,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:44:04,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:44:04,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-12-13 14:44:04,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:44:04,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:44:04,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:44:04,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-12-13 14:44:04,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:44:04,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:44:04,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:44:04,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-12-13 14:44:04,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:44:04,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:44:04,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:44:04,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-12-13 14:44:04,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:44:04,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:44:04,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:44:04,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-12-13 14:44:04,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:44:04,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:44:04,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:44:04,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2022-12-13 14:44:04,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:44:04,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2022-12-13 14:44:04,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:44:04,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2022-12-13 14:44:04,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:44:04,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2022-12-13 14:44:04,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:44:04,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2022-12-13 14:44:04,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:44:04,647 INFO L134 CoverageAnalysis]: Checked inductivity of 993 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 993 trivial. 0 not checked. [2022-12-13 14:44:04,648 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 14:44:04,648 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1774114147] [2022-12-13 14:44:04,648 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1774114147] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 14:44:04,648 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 14:44:04,648 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-13 14:44:04,648 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1591086899] [2022-12-13 14:44:04,648 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 14:44:04,649 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-13 14:44:04,649 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 14:44:04,649 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-13 14:44:04,649 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-13 14:44:04,649 INFO L87 Difference]: Start difference. First operand 359879 states and 538251 transitions. Second operand has 4 states, 4 states have (on average 18.75) internal successors, (75), 3 states have internal predecessors, (75), 3 states have call successors, (26), 3 states have call predecessors, (26), 1 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) [2022-12-13 14:44:06,686 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 14:44:08,694 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 14:44:34,043 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 14:44:34,043 INFO L93 Difference]: Finished difference Result 777951 states and 1163049 transitions. [2022-12-13 14:44:34,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-13 14:44:34,044 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 18.75) internal successors, (75), 3 states have internal predecessors, (75), 3 states have call successors, (26), 3 states have call predecessors, (26), 1 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) Word has length 238 [2022-12-13 14:44:34,045 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 14:44:36,171 INFO L225 Difference]: With dead ends: 777951 [2022-12-13 14:44:36,171 INFO L226 Difference]: Without dead ends: 418107 [2022-12-13 14:44:37,728 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 72 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-13 14:44:37,729 INFO L413 NwaCegarLoop]: 4646 mSDtfsCounter, 6372 mSDsluCounter, 4508 mSDsCounter, 0 mSdLazyCounter, 8688 mSolverCounterSat, 2605 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7133 SdHoareTripleChecker+Valid, 9154 SdHoareTripleChecker+Invalid, 11294 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2605 IncrementalHoareTripleChecker+Valid, 8688 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.0s IncrementalHoareTripleChecker+Time [2022-12-13 14:44:37,729 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7133 Valid, 9154 Invalid, 11294 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2605 Valid, 8688 Invalid, 1 Unknown, 0 Unchecked, 14.0s Time] [2022-12-13 14:44:38,049 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 418107 states. [2022-12-13 14:44:53,498 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 418107 to 410848. [2022-12-13 14:44:53,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 410848 states, 293168 states have (on average 1.3469239480434427) internal successors, (394875), 294014 states have internal predecessors, (394875), 99033 states have call successors, (99033), 16937 states have call predecessors, (99033), 18644 states have return successors, (117374), 103136 states have call predecessors, (117374), 99030 states have call successors, (117374) [2022-12-13 14:44:56,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 410848 states to 410848 states and 611282 transitions. [2022-12-13 14:44:56,645 INFO L78 Accepts]: Start accepts. Automaton has 410848 states and 611282 transitions. Word has length 238 [2022-12-13 14:44:56,646 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 14:44:56,646 INFO L495 AbstractCegarLoop]: Abstraction has 410848 states and 611282 transitions. [2022-12-13 14:44:56,646 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 18.75) internal successors, (75), 3 states have internal predecessors, (75), 3 states have call successors, (26), 3 states have call predecessors, (26), 1 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) [2022-12-13 14:44:56,646 INFO L276 IsEmpty]: Start isEmpty. Operand 410848 states and 611282 transitions. [2022-12-13 14:44:56,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 247 [2022-12-13 14:44:56,649 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 14:44:56,649 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 15, 15, 15, 15, 15, 15, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 14:44:56,649 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-12-13 14:44:56,650 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 14:44:56,650 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 14:44:56,650 INFO L85 PathProgramCache]: Analyzing trace with hash 1425087575, now seen corresponding path program 1 times [2022-12-13 14:44:56,650 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 14:44:56,650 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [975737947] [2022-12-13 14:44:56,651 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 14:44:56,651 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 14:44:56,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:44:57,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-12-13 14:44:57,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:44:57,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:44:57,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:44:57,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-12-13 14:44:57,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:44:57,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:44:57,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:44:57,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-12-13 14:44:57,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:44:57,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:44:57,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:44:57,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-12-13 14:44:57,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:44:57,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:44:57,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:44:57,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-12-13 14:44:57,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:44:57,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:44:57,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:44:57,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-12-13 14:44:57,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:44:57,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:44:57,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:44:57,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-12-13 14:44:57,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:44:57,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:44:57,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:44:57,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-12-13 14:44:57,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:44:57,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:44:57,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:44:57,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-12-13 14:44:57,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:44:57,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:44:57,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:44:57,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-12-13 14:44:57,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:44:57,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:44:57,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:44:57,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-12-13 14:44:57,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:44:57,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:44:57,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:44:57,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-12-13 14:44:57,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:44:57,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:44:57,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:44:57,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-12-13 14:44:57,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:44:57,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:44:57,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:44:57,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-12-13 14:44:57,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:44:57,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:44:57,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:44:57,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-12-13 14:44:57,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:44:57,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:44:57,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:44:57,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2022-12-13 14:44:57,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:44:57,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2022-12-13 14:44:57,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:44:57,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2022-12-13 14:44:57,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:44:57,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2022-12-13 14:44:57,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:44:57,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2022-12-13 14:44:57,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:44:57,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:44:57,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:44:57,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2022-12-13 14:44:57,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:44:57,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2022-12-13 14:44:57,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:44:57,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2022-12-13 14:44:57,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:44:57,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 237 [2022-12-13 14:44:57,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:44:57,410 INFO L134 CoverageAnalysis]: Checked inductivity of 1175 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1173 trivial. 0 not checked. [2022-12-13 14:44:57,410 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 14:44:57,410 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [975737947] [2022-12-13 14:44:57,410 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [975737947] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 14:44:57,411 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 14:44:57,411 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-12-13 14:44:57,411 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [234158096] [2022-12-13 14:44:57,411 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 14:44:57,411 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-13 14:44:57,411 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 14:44:57,412 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 14:44:57,412 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-12-13 14:44:57,412 INFO L87 Difference]: Start difference. First operand 410848 states and 611282 transitions. Second operand has 6 states, 6 states have (on average 9.833333333333334) internal successors, (59), 4 states have internal predecessors, (59), 2 states have call successors, (27), 4 states have call predecessors, (27), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2022-12-13 14:44:59,457 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 14:45:19,071 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 14:45:19,071 INFO L93 Difference]: Finished difference Result 418052 states and 623744 transitions. [2022-12-13 14:45:19,073 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-13 14:45:19,073 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.833333333333334) internal successors, (59), 4 states have internal predecessors, (59), 2 states have call successors, (27), 4 states have call predecessors, (27), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) Word has length 246 [2022-12-13 14:45:19,073 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 14:45:20,899 INFO L225 Difference]: With dead ends: 418052 [2022-12-13 14:45:20,900 INFO L226 Difference]: Without dead ends: 418050 [2022-12-13 14:45:21,074 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 89 GetRequests, 81 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2022-12-13 14:45:21,075 INFO L413 NwaCegarLoop]: 3037 mSDtfsCounter, 6774 mSDsluCounter, 6947 mSDsCounter, 0 mSdLazyCounter, 9050 mSolverCounterSat, 2967 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7044 SdHoareTripleChecker+Valid, 9984 SdHoareTripleChecker+Invalid, 12018 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2967 IncrementalHoareTripleChecker+Valid, 9050 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.5s IncrementalHoareTripleChecker+Time [2022-12-13 14:45:21,075 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7044 Valid, 9984 Invalid, 12018 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2967 Valid, 9050 Invalid, 1 Unknown, 0 Unchecked, 9.5s Time] [2022-12-13 14:45:21,379 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 418050 states. [2022-12-13 14:45:37,647 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 418050 to 410852. [2022-12-13 14:45:37,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 410852 states, 293171 states have (on average 1.3469203979929802) internal successors, (394878), 294017 states have internal predecessors, (394878), 99033 states have call successors, (99033), 16938 states have call predecessors, (99033), 18645 states have return successors, (117374), 103136 states have call predecessors, (117374), 99030 states have call successors, (117374) [2022-12-13 14:45:40,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 410852 states to 410852 states and 611285 transitions. [2022-12-13 14:45:40,719 INFO L78 Accepts]: Start accepts. Automaton has 410852 states and 611285 transitions. Word has length 246 [2022-12-13 14:45:40,720 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 14:45:40,720 INFO L495 AbstractCegarLoop]: Abstraction has 410852 states and 611285 transitions. [2022-12-13 14:45:40,720 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.833333333333334) internal successors, (59), 4 states have internal predecessors, (59), 2 states have call successors, (27), 4 states have call predecessors, (27), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2022-12-13 14:45:40,720 INFO L276 IsEmpty]: Start isEmpty. Operand 410852 states and 611285 transitions. [2022-12-13 14:45:40,723 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 252 [2022-12-13 14:45:40,723 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 14:45:40,723 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 15, 15, 15, 15, 15, 15, 4, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 14:45:40,723 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-12-13 14:45:40,723 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 14:45:40,724 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 14:45:40,724 INFO L85 PathProgramCache]: Analyzing trace with hash -1541766973, now seen corresponding path program 1 times [2022-12-13 14:45:40,724 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 14:45:40,724 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [416597841] [2022-12-13 14:45:40,724 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 14:45:40,724 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 14:45:40,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:45:41,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-12-13 14:45:41,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:45:41,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:45:41,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:45:41,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-12-13 14:45:41,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:45:41,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:45:41,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:45:41,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-12-13 14:45:41,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:45:41,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:45:41,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:45:41,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-12-13 14:45:41,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:45:41,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:45:41,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:45:41,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-12-13 14:45:41,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:45:41,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:45:41,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:45:41,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-12-13 14:45:41,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:45:41,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:45:41,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:45:41,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-12-13 14:45:41,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:45:41,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:45:41,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:45:41,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-12-13 14:45:41,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:45:41,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:45:41,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:45:41,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-12-13 14:45:41,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:45:41,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:45:41,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:45:41,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-12-13 14:45:41,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:45:41,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:45:41,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:45:41,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-12-13 14:45:41,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:45:41,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:45:41,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:45:41,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-12-13 14:45:41,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:45:41,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:45:41,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:45:41,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-12-13 14:45:41,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:45:41,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:45:41,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:45:41,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-12-13 14:45:41,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:45:41,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:45:41,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:45:41,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-12-13 14:45:41,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:45:41,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:45:41,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:45:41,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2022-12-13 14:45:41,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:45:41,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2022-12-13 14:45:41,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:45:41,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2022-12-13 14:45:41,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:45:41,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2022-12-13 14:45:41,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:45:41,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2022-12-13 14:45:41,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:45:41,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:45:41,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:45:41,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2022-12-13 14:45:41,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:45:41,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2022-12-13 14:45:41,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:45:41,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2022-12-13 14:45:41,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:45:41,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 237 [2022-12-13 14:45:41,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:45:41,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2022-12-13 14:45:41,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:45:41,460 INFO L134 CoverageAnalysis]: Checked inductivity of 1181 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1177 trivial. 0 not checked. [2022-12-13 14:45:41,460 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 14:45:41,460 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [416597841] [2022-12-13 14:45:41,461 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [416597841] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 14:45:41,461 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 14:45:41,461 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-12-13 14:45:41,461 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1286851393] [2022-12-13 14:45:41,461 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 14:45:41,461 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-13 14:45:41,461 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 14:45:41,462 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 14:45:41,462 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-12-13 14:45:41,462 INFO L87 Difference]: Start difference. First operand 410852 states and 611285 transitions. Second operand has 6 states, 6 states have (on average 9.833333333333334) internal successors, (59), 4 states have internal predecessors, (59), 2 states have call successors, (28), 4 states have call predecessors, (28), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2022-12-13 14:45:43,489 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 14:46:04,733 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 14:46:04,733 INFO L93 Difference]: Finished difference Result 418056 states and 623747 transitions. [2022-12-13 14:46:04,735 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-13 14:46:04,735 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.833333333333334) internal successors, (59), 4 states have internal predecessors, (59), 2 states have call successors, (28), 4 states have call predecessors, (28), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) Word has length 251 [2022-12-13 14:46:04,735 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 14:46:06,558 INFO L225 Difference]: With dead ends: 418056 [2022-12-13 14:46:06,558 INFO L226 Difference]: Without dead ends: 418054 [2022-12-13 14:46:06,737 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 91 GetRequests, 83 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2022-12-13 14:46:06,738 INFO L413 NwaCegarLoop]: 3033 mSDtfsCounter, 6778 mSDsluCounter, 6939 mSDsCounter, 0 mSdLazyCounter, 9044 mSolverCounterSat, 2968 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7048 SdHoareTripleChecker+Valid, 9972 SdHoareTripleChecker+Invalid, 12013 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2968 IncrementalHoareTripleChecker+Valid, 9044 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.8s IncrementalHoareTripleChecker+Time [2022-12-13 14:46:06,738 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7048 Valid, 9972 Invalid, 12013 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2968 Valid, 9044 Invalid, 1 Unknown, 0 Unchecked, 9.8s Time] [2022-12-13 14:46:07,040 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 418054 states. [2022-12-13 14:46:24,947 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 418054 to 410856. [2022-12-13 14:46:25,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 410856 states, 293174 states have (on average 1.3469168480151719) internal successors, (394881), 294020 states have internal predecessors, (394881), 99033 states have call successors, (99033), 16939 states have call predecessors, (99033), 18646 states have return successors, (117374), 103136 states have call predecessors, (117374), 99030 states have call successors, (117374) [2022-12-13 14:46:27,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 410856 states to 410856 states and 611288 transitions. [2022-12-13 14:46:27,875 INFO L78 Accepts]: Start accepts. Automaton has 410856 states and 611288 transitions. Word has length 251 [2022-12-13 14:46:27,876 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 14:46:27,876 INFO L495 AbstractCegarLoop]: Abstraction has 410856 states and 611288 transitions. [2022-12-13 14:46:27,876 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.833333333333334) internal successors, (59), 4 states have internal predecessors, (59), 2 states have call successors, (28), 4 states have call predecessors, (28), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2022-12-13 14:46:27,876 INFO L276 IsEmpty]: Start isEmpty. Operand 410856 states and 611288 transitions. [2022-12-13 14:46:27,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 257 [2022-12-13 14:46:27,878 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 14:46:27,878 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 15, 15, 15, 15, 15, 15, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 14:46:27,878 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-12-13 14:46:27,878 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-12-13 14:46:27,879 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 14:46:27,879 INFO L85 PathProgramCache]: Analyzing trace with hash -1013442665, now seen corresponding path program 1 times [2022-12-13 14:46:27,879 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 14:46:27,879 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [610155738] [2022-12-13 14:46:27,879 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 14:46:27,879 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 14:46:27,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:46:28,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-12-13 14:46:28,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:46:28,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:46:28,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:46:28,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-12-13 14:46:28,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:46:28,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:46:28,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:46:28,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-12-13 14:46:28,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:46:28,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:46:28,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:46:28,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-12-13 14:46:28,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:46:28,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:46:28,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:46:28,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-12-13 14:46:28,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:46:28,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:46:28,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:46:28,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-12-13 14:46:28,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:46:28,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:46:28,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:46:28,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-12-13 14:46:28,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:46:28,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:46:28,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:46:28,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-12-13 14:46:28,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:46:28,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:46:28,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:46:28,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-12-13 14:46:28,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:46:28,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:46:28,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:46:28,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-12-13 14:46:28,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:46:28,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:46:28,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:46:28,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-12-13 14:46:28,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:46:28,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:46:28,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:46:28,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-12-13 14:46:28,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:46:28,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:46:28,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:46:28,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-12-13 14:46:28,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:46:28,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:46:28,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:46:28,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-12-13 14:46:28,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:46:28,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:46:28,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:46:28,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-12-13 14:46:28,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:46:28,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:46:28,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:46:28,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2022-12-13 14:46:28,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:46:28,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2022-12-13 14:46:28,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:46:28,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2022-12-13 14:46:28,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:46:28,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2022-12-13 14:46:28,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:46:28,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2022-12-13 14:46:28,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:46:28,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:46:28,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:46:28,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2022-12-13 14:46:28,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:46:28,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2022-12-13 14:46:28,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:46:28,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2022-12-13 14:46:28,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:46:28,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 237 [2022-12-13 14:46:28,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:46:28,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2022-12-13 14:46:28,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:46:28,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 247 [2022-12-13 14:46:28,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:46:28,479 INFO L134 CoverageAnalysis]: Checked inductivity of 1191 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 1185 trivial. 0 not checked. [2022-12-13 14:46:28,479 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 14:46:28,479 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [610155738] [2022-12-13 14:46:28,479 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [610155738] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 14:46:28,479 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 14:46:28,479 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-12-13 14:46:28,480 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [230574528] [2022-12-13 14:46:28,480 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 14:46:28,480 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-13 14:46:28,480 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 14:46:28,481 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 14:46:28,481 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-12-13 14:46:28,481 INFO L87 Difference]: Start difference. First operand 410856 states and 611288 transitions. Second operand has 6 states, 6 states have (on average 9.833333333333334) internal successors, (59), 4 states have internal predecessors, (59), 2 states have call successors, (29), 4 states have call predecessors, (29), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2022-12-13 14:46:30,513 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []