./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-prism54-prism54.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8f4d012-2063-49e2-bff7-c10e884937b6/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8f4d012-2063-49e2-bff7-c10e884937b6/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_e8f4d012-2063-49e2-bff7-c10e884937b6/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8f4d012-2063-49e2-bff7-c10e884937b6/bin/uautomizer-uyxdKDjOR8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-prism54-prism54.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8f4d012-2063-49e2-bff7-c10e884937b6/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_e8f4d012-2063-49e2-bff7-c10e884937b6/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 03e2d0e28997af6c53edeab79acb28db60116030b3545ebb50af81c3e69fe889 --- 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 17:32:31,456 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 17:32:31,457 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 17:32:31,470 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 17:32:31,471 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 17:32:31,471 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 17:32:31,472 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 17:32:31,473 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 17:32:31,474 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 17:32:31,475 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 17:32:31,476 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 17:32:31,476 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 17:32:31,477 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 17:32:31,477 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 17:32:31,478 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 17:32:31,479 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 17:32:31,480 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 17:32:31,480 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 17:32:31,481 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 17:32:31,483 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 17:32:31,484 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 17:32:31,485 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 17:32:31,485 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 17:32:31,486 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 17:32:31,488 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 17:32:31,489 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 17:32:31,489 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 17:32:31,490 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 17:32:31,490 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 17:32:31,491 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 17:32:31,491 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 17:32:31,491 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 17:32:31,492 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 17:32:31,492 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 17:32:31,493 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 17:32:31,493 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 17:32:31,494 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 17:32:31,494 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 17:32:31,494 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 17:32:31,495 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 17:32:31,495 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 17:32:31,496 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8f4d012-2063-49e2-bff7-c10e884937b6/bin/uautomizer-uyxdKDjOR8/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-12-13 17:32:31,510 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 17:32:31,510 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 17:32:31,510 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 17:32:31,510 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 17:32:31,511 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-13 17:32:31,511 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-13 17:32:31,511 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 17:32:31,512 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 17:32:31,512 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 17:32:31,512 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 17:32:31,512 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-13 17:32:31,512 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 17:32:31,512 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-13 17:32:31,512 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-13 17:32:31,512 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-13 17:32:31,513 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 17:32:31,513 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 17:32:31,513 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-13 17:32:31,513 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 17:32:31,513 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 17:32:31,513 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-13 17:32:31,513 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 17:32:31,514 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 17:32:31,514 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-13 17:32:31,514 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-13 17:32:31,514 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-13 17:32:31,514 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-13 17:32:31,514 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-12-13 17:32:31,514 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-13 17:32:31,514 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-12-13 17:32:31,514 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-13 17:32:31,515 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2022-12-13 17:32:31,515 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_e8f4d012-2063-49e2-bff7-c10e884937b6/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8f4d012-2063-49e2-bff7-c10e884937b6/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 03e2d0e28997af6c53edeab79acb28db60116030b3545ebb50af81c3e69fe889 [2022-12-13 17:32:31,671 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 17:32:31,689 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 17:32:31,692 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 17:32:31,693 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 17:32:31,693 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 17:32:31,694 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8f4d012-2063-49e2-bff7-c10e884937b6/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-prism54-prism54.cil.i [2022-12-13 17:32:34,254 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 17:32:34,637 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 17:32:34,638 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8f4d012-2063-49e2-bff7-c10e884937b6/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-prism54-prism54.cil.i [2022-12-13 17:32:34,667 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8f4d012-2063-49e2-bff7-c10e884937b6/bin/uautomizer-uyxdKDjOR8/data/fb5fdd5a5/29d4517af7fa4896b65bef02d6334926/FLAG4a979b63c [2022-12-13 17:32:34,678 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8f4d012-2063-49e2-bff7-c10e884937b6/bin/uautomizer-uyxdKDjOR8/data/fb5fdd5a5/29d4517af7fa4896b65bef02d6334926 [2022-12-13 17:32:34,680 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 17:32:34,681 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 17:32:34,682 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 17:32:34,682 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 17:32:34,685 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 17:32:34,686 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 05:32:34" (1/1) ... [2022-12-13 17:32:34,686 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6e424e6b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 05:32:34, skipping insertion in model container [2022-12-13 17:32:34,687 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 05:32:34" (1/1) ... [2022-12-13 17:32:34,692 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 17:32:34,870 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 17:32:35,295 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock_irqrestore [2022-12-13 17:32:35,313 WARN L623 FunctionHandler]: Unknown extern function queue_work_on [2022-12-13 17:32:35,368 WARN L623 FunctionHandler]: Unknown extern function __phys_addr [2022-12-13 17:32:35,372 WARN L623 FunctionHandler]: Unknown extern function __phys_addr [2022-12-13 17:32:35,372 WARN L623 FunctionHandler]: Unknown extern function debug_dma_map_page [2022-12-13 17:32:35,379 WARN L623 FunctionHandler]: Unknown extern function debug_dma_unmap_page [2022-12-13 17:32:35,445 WARN L623 FunctionHandler]: Unknown extern function __netdev_alloc_skb [2022-12-13 17:32:35,482 WARN L623 FunctionHandler]: Unknown extern function netpoll_trap [2022-12-13 17:32:35,482 WARN L623 FunctionHandler]: Unknown extern function __netif_schedule [2022-12-13 17:32:35,500 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-12-13 17:32:35,502 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 17:32:35,515 WARN L623 FunctionHandler]: Unknown extern function __dev_kfree_skb_irq [2022-12-13 17:32:35,583 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 17:32:35,583 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 17:32:35,586 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 17:32:35,587 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-12-13 17:32:35,589 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 17:32:35,591 WARN L623 FunctionHandler]: Unknown extern function consume_skb [2022-12-13 17:32:35,598 WARN L623 FunctionHandler]: Unknown extern function skb_pull [2022-12-13 17:32:35,599 WARN L623 FunctionHandler]: Unknown extern function skb_copy_expand [2022-12-13 17:32:35,599 WARN L623 FunctionHandler]: Unknown extern function skb_push [2022-12-13 17:32:35,601 WARN L623 FunctionHandler]: Unknown extern function skb_pull [2022-12-13 17:32:35,604 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-12-13 17:32:35,604 WARN L623 FunctionHandler]: Unknown extern function skb_pull [2022-12-13 17:32:35,605 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-12-13 17:32:35,607 WARN L623 FunctionHandler]: Unknown extern function wireless_spy_update [2022-12-13 17:32:35,607 WARN L623 FunctionHandler]: Unknown extern function skb_pull [2022-12-13 17:32:35,607 WARN L623 FunctionHandler]: Unknown extern function eth_type_trans [2022-12-13 17:32:35,608 WARN L623 FunctionHandler]: Unknown extern function netif_rx [2022-12-13 17:32:35,609 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 17:32:35,610 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 17:32:35,613 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 17:32:35,614 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 17:32:35,615 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-12-13 17:32:35,638 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-12-13 17:32:35,706 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 17:32:35,721 WARN L623 FunctionHandler]: Unknown extern function debug_dma_sync_single_for_cpu [2022-12-13 17:32:35,760 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 17:32:35,766 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 17:32:35,767 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 17:32:35,768 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 17:32:35,769 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 17:32:35,771 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 17:32:35,772 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 17:32:35,773 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 17:32:35,774 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 17:32:35,775 WARN L623 FunctionHandler]: Unknown extern function __init_work [2022-12-13 17:32:35,775 WARN L623 FunctionHandler]: Unknown extern function lockdep_init_map [2022-12-13 17:32:35,776 WARN L623 FunctionHandler]: Unknown extern function __xchg_wrong_size [2022-12-13 17:32:35,777 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 17:32:35,777 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 17:32:35,777 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-12-13 17:32:35,779 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 17:32:35,781 WARN L623 FunctionHandler]: Unknown extern function msecs_to_jiffies [2022-12-13 17:32:35,781 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_interruptible_nested [2022-12-13 17:32:35,782 WARN L623 FunctionHandler]: Unknown extern function prepare_to_wait [2022-12-13 17:32:35,782 WARN L623 FunctionHandler]: Unknown extern function schedule_timeout_uninterruptible [2022-12-13 17:32:35,783 WARN L623 FunctionHandler]: Unknown extern function __xchg_wrong_size [2022-12-13 17:32:35,783 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 17:32:35,784 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 17:32:35,784 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 17:32:35,785 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 17:32:35,785 WARN L623 FunctionHandler]: Unknown extern function finish_wait [2022-12-13 17:32:35,785 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 17:32:35,786 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-12-13 17:32:35,811 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 17:32:35,812 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 17:32:35,813 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 17:32:35,813 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 17:32:35,814 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 17:32:35,814 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 17:32:35,815 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 17:32:35,815 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 17:32:35,830 WARN L623 FunctionHandler]: Unknown extern function __list_add [2022-12-13 17:32:35,834 WARN L623 FunctionHandler]: Unknown extern function __list_add [2022-12-13 17:32:35,847 WARN L623 FunctionHandler]: Unknown extern function __list_del_entry [2022-12-13 17:32:35,918 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 17:32:36,062 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 17:32:36,065 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-12-13 17:32:36,066 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 17:32:36,067 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 17:32:36,067 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 17:32:36,068 WARN L623 FunctionHandler]: Unknown extern function mutex_trylock [2022-12-13 17:32:36,069 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 17:32:36,079 WARN L623 FunctionHandler]: Unknown extern function strncpy [2022-12-13 17:32:36,080 WARN L623 FunctionHandler]: Unknown extern function strncpy [2022-12-13 17:32:36,096 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 17:32:36,097 WARN L623 FunctionHandler]: Unknown extern function down_write [2022-12-13 17:32:36,097 WARN L623 FunctionHandler]: Unknown extern function up_write [2022-12-13 17:32:36,098 WARN L623 FunctionHandler]: Unknown extern function up_write [2022-12-13 17:32:36,099 WARN L623 FunctionHandler]: Unknown extern function up_write [2022-12-13 17:32:36,121 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 17:32:36,122 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 17:32:36,132 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 17:32:36,155 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 17:32:36,166 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 17:32:36,171 WARN L623 FunctionHandler]: Unknown extern function down_write [2022-12-13 17:32:36,172 WARN L623 FunctionHandler]: Unknown extern function up_write [2022-12-13 17:32:36,176 WARN L623 FunctionHandler]: Unknown extern function down_read [2022-12-13 17:32:36,177 WARN L623 FunctionHandler]: Unknown extern function up_read [2022-12-13 17:32:36,182 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 17:32:36,183 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 17:32:36,184 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 17:32:36,190 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 17:32:36,190 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 17:32:36,237 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 17:32:36,247 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 17:32:36,248 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 17:32:36,254 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 17:32:36,254 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 17:32:36,264 WARN L623 FunctionHandler]: Unknown extern function down_write [2022-12-13 17:32:36,264 WARN L623 FunctionHandler]: Unknown extern function up_write [2022-12-13 17:32:36,267 WARN L623 FunctionHandler]: Unknown extern function down_write [2022-12-13 17:32:36,268 WARN L623 FunctionHandler]: Unknown extern function up_write [2022-12-13 17:32:36,273 WARN L623 FunctionHandler]: Unknown extern function down_write [2022-12-13 17:32:36,274 WARN L623 FunctionHandler]: Unknown extern function up_write [2022-12-13 17:32:36,291 WARN L623 FunctionHandler]: Unknown extern function down_write [2022-12-13 17:32:36,291 WARN L623 FunctionHandler]: Unknown extern function up_write [2022-12-13 17:32:36,302 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 17:32:36,312 WARN L623 FunctionHandler]: Unknown extern function __mutex_init [2022-12-13 17:32:36,328 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-12-13 17:32:36,329 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 17:32:36,329 WARN L623 FunctionHandler]: Unknown extern function list_del [2022-12-13 17:32:36,329 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 17:32:36,330 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 17:32:36,335 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_interruptible_nested [2022-12-13 17:32:36,335 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 17:32:36,335 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 17:32:36,340 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_interruptible_nested [2022-12-13 17:32:36,341 WARN L623 FunctionHandler]: Unknown extern function list_del [2022-12-13 17:32:36,341 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 17:32:36,341 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 17:32:36,341 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 17:32:36,346 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_interruptible_nested [2022-12-13 17:32:36,347 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 17:32:36,352 WARN L623 FunctionHandler]: Unknown extern function down_write [2022-12-13 17:32:36,353 WARN L623 FunctionHandler]: Unknown extern function up_write [2022-12-13 17:32:36,353 WARN L623 FunctionHandler]: Unknown extern function up_write [2022-12-13 17:32:36,362 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_interruptible_nested [2022-12-13 17:32:36,363 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 17:32:36,363 WARN L623 FunctionHandler]: Unknown extern function memcmp [2022-12-13 17:32:36,363 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 17:32:36,368 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 17:32:36,373 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 17:32:36,385 WARN L623 FunctionHandler]: Unknown extern function wireless_send_event [2022-12-13 17:32:36,385 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 17:32:36,390 WARN L623 FunctionHandler]: Unknown extern function wireless_send_event [2022-12-13 17:32:36,391 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 17:32:36,395 WARN L623 FunctionHandler]: Unknown extern function netif_carrier_on [2022-12-13 17:32:36,396 WARN L623 FunctionHandler]: Unknown extern function wireless_send_event [2022-12-13 17:32:36,396 WARN L623 FunctionHandler]: Unknown extern function netif_carrier_off [2022-12-13 17:32:36,397 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-12-13 17:32:36,397 WARN L623 FunctionHandler]: Unknown extern function memcmp [2022-12-13 17:32:36,398 WARN L623 FunctionHandler]: Unknown extern function list_del [2022-12-13 17:32:36,399 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 17:32:36,399 WARN L623 FunctionHandler]: Unknown extern function list_del [2022-12-13 17:32:36,399 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 17:32:36,400 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 17:32:36,400 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-12-13 17:32:36,400 WARN L623 FunctionHandler]: Unknown extern function memcmp [2022-12-13 17:32:36,401 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 17:32:36,401 WARN L623 FunctionHandler]: Unknown extern function __mutex_init [2022-12-13 17:32:36,402 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 17:32:36,407 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 17:32:36,408 WARN L623 FunctionHandler]: Unknown extern function memcmp [2022-12-13 17:32:36,420 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 17:32:36,421 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 17:32:36,422 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 17:32:36,423 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 17:32:36,423 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 17:32:36,424 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 17:32:36,424 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 17:32:36,425 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 17:32:36,427 WARN L623 FunctionHandler]: Unknown extern function down_write [2022-12-13 17:32:36,427 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 17:32:36,428 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 17:32:36,428 WARN L623 FunctionHandler]: Unknown extern function up_write [2022-12-13 17:32:36,447 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 17:32:36,452 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 17:32:36,453 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 17:32:36,453 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 17:32:36,454 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 17:32:36,459 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 17:32:36,459 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 17:32:36,460 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 17:32:36,460 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 17:32:36,465 WARN L623 FunctionHandler]: Unknown extern function down_write [2022-12-13 17:32:36,466 WARN L623 FunctionHandler]: Unknown extern function up_write [2022-12-13 17:32:36,466 WARN L623 FunctionHandler]: Unknown extern function iw_handler_set_spy [2022-12-13 17:32:36,542 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock [2022-12-13 17:32:36,551 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock [2022-12-13 17:32:36,572 WARN L623 FunctionHandler]: Unknown extern function ioremap_nocache [2022-12-13 17:32:36,608 WARN L623 FunctionHandler]: Unknown extern function debug_dma_alloc_coherent [2022-12-13 17:32:36,613 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-12-13 17:32:36,614 WARN L623 FunctionHandler]: Unknown extern function debug_dma_free_coherent [2022-12-13 17:32:36,719 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 17:32:36,720 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 17:32:36,720 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 17:32:36,720 WARN L623 FunctionHandler]: Unknown extern function request_firmware [2022-12-13 17:32:36,721 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 17:32:36,722 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 17:32:36,722 WARN L623 FunctionHandler]: Unknown extern function release_firmware [2022-12-13 17:32:36,723 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 17:32:36,723 WARN L623 FunctionHandler]: Unknown extern function release_firmware [2022-12-13 17:32:36,724 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 17:32:36,724 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 17:32:36,724 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 17:32:36,726 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-12-13 17:32:36,732 WARN L623 FunctionHandler]: Unknown extern function netif_carrier_off [2022-12-13 17:32:36,732 WARN L623 FunctionHandler]: Unknown extern function netif_carrier_on [2022-12-13 17:32:36,737 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 17:32:36,738 WARN L623 FunctionHandler]: Unknown extern function synchronize_irq [2022-12-13 17:32:36,738 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 17:32:36,739 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 17:32:36,739 WARN L623 FunctionHandler]: Unknown extern function msecs_to_jiffies [2022-12-13 17:32:36,739 WARN L623 FunctionHandler]: Unknown extern function schedule_timeout_uninterruptible [2022-12-13 17:32:36,744 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 17:32:36,744 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 17:32:36,745 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 17:32:36,750 WARN L623 FunctionHandler]: Unknown extern function prepare_to_wait [2022-12-13 17:32:36,750 WARN L623 FunctionHandler]: Unknown extern function schedule_timeout_uninterruptible [2022-12-13 17:32:36,751 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 17:32:36,751 WARN L623 FunctionHandler]: Unknown extern function finish_wait [2022-12-13 17:32:36,751 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 17:32:36,751 WARN L623 FunctionHandler]: Unknown extern function down_write [2022-12-13 17:32:36,752 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 17:32:36,752 WARN L623 FunctionHandler]: Unknown extern function up_write [2022-12-13 17:32:36,752 WARN L623 FunctionHandler]: Unknown extern function up_write [2022-12-13 17:32:36,752 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 17:32:36,753 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 17:32:36,754 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 17:32:36,755 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 17:32:36,755 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 17:32:36,756 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 17:32:36,757 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 17:32:36,758 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 17:32:36,759 WARN L623 FunctionHandler]: Unknown extern function iounmap [2022-12-13 17:32:36,760 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 17:32:36,760 WARN L623 FunctionHandler]: Unknown extern function consume_skb [2022-12-13 17:32:36,765 WARN L623 FunctionHandler]: Unknown extern function strlcpy [2022-12-13 17:32:36,766 WARN L623 FunctionHandler]: Unknown extern function strlcpy [2022-12-13 17:32:36,768 WARN L623 FunctionHandler]: Unknown extern function __init_waitqueue_head [2022-12-13 17:32:36,769 WARN L623 FunctionHandler]: Unknown extern function __mutex_init [2022-12-13 17:32:36,769 WARN L623 FunctionHandler]: Unknown extern function __init_waitqueue_head [2022-12-13 17:32:36,769 WARN L623 FunctionHandler]: Unknown extern function __mutex_init [2022-12-13 17:32:36,769 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-12-13 17:32:36,769 WARN L623 FunctionHandler]: Unknown extern function __init_work [2022-12-13 17:32:36,770 WARN L623 FunctionHandler]: Unknown extern function lockdep_init_map [2022-12-13 17:32:36,770 WARN L623 FunctionHandler]: Unknown extern function __init_work [2022-12-13 17:32:36,770 WARN L623 FunctionHandler]: Unknown extern function lockdep_init_map [2022-12-13 17:32:36,772 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 17:32:36,830 WARN L623 FunctionHandler]: Unknown extern function eth_validate_addr [2022-12-13 17:32:36,830 WARN L623 FunctionHandler]: Unknown extern function eth_change_mtu [2022-12-13 17:32:36,831 WARN L623 FunctionHandler]: Unknown extern function ldv_pre_register_netdev [2022-12-13 17:32:36,832 WARN L623 FunctionHandler]: Unknown extern function alloc_etherdev_mqs [2022-12-13 17:32:36,833 WARN L623 FunctionHandler]: Unknown extern function register_netdev [2022-12-13 17:32:36,833 WARN L623 FunctionHandler]: Unknown extern function free_netdev [2022-12-13 17:32:36,929 WARN L623 FunctionHandler]: Unknown extern function pci_bus_read_config_byte [2022-12-13 17:32:36,934 WARN L623 FunctionHandler]: Unknown extern function pci_bus_read_config_dword [2022-12-13 17:32:36,939 WARN L623 FunctionHandler]: Unknown extern function pci_bus_write_config_byte [2022-12-13 17:32:36,997 WARN L623 FunctionHandler]: Unknown extern function dma_set_mask [2022-12-13 17:32:37,010 WARN L623 FunctionHandler]: Unknown extern function request_threaded_irq [2022-12-13 17:32:37,056 WARN L623 FunctionHandler]: Unknown extern function __compiletime_assert_106 [2022-12-13 17:32:37,056 WARN L623 FunctionHandler]: Unknown extern function __compiletime_assert_107 [2022-12-13 17:32:37,056 WARN L623 FunctionHandler]: Unknown extern function __compiletime_assert_108 [2022-12-13 17:32:37,057 WARN L623 FunctionHandler]: Unknown extern function __compiletime_assert_109 [2022-12-13 17:32:37,057 WARN L623 FunctionHandler]: Unknown extern function __compiletime_assert_110 [2022-12-13 17:32:37,057 WARN L623 FunctionHandler]: Unknown extern function __compiletime_assert_111 [2022-12-13 17:32:37,057 WARN L623 FunctionHandler]: Unknown extern function __compiletime_assert_112 [2022-12-13 17:32:37,057 WARN L623 FunctionHandler]: Unknown extern function __compiletime_assert_113 [2022-12-13 17:32:37,074 WARN L623 FunctionHandler]: Unknown extern function pci_enable_device [2022-12-13 17:32:37,074 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 17:32:37,075 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 17:32:37,075 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 17:32:37,076 WARN L623 FunctionHandler]: Unknown extern function pci_request_regions [2022-12-13 17:32:37,076 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 17:32:37,076 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 17:32:37,077 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 17:32:37,077 WARN L623 FunctionHandler]: Unknown extern function pci_set_master [2022-12-13 17:32:37,077 WARN L623 FunctionHandler]: Unknown extern function pci_try_set_mwi [2022-12-13 17:32:37,078 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 17:32:37,078 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 17:32:37,079 WARN L623 FunctionHandler]: Unknown extern function pci_clear_mwi [2022-12-13 17:32:37,079 WARN L623 FunctionHandler]: Unknown extern function pci_release_regions [2022-12-13 17:32:37,079 WARN L623 FunctionHandler]: Unknown extern function pci_disable_device [2022-12-13 17:32:37,080 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 17:32:37,081 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 17:32:37,081 WARN L623 FunctionHandler]: Unknown extern function pci_clear_mwi [2022-12-13 17:32:37,081 WARN L623 FunctionHandler]: Unknown extern function pci_release_regions [2022-12-13 17:32:37,082 WARN L623 FunctionHandler]: Unknown extern function pci_disable_device [2022-12-13 17:32:37,083 WARN L623 FunctionHandler]: Unknown extern function pci_save_state [2022-12-13 17:32:37,083 WARN L623 FunctionHandler]: Unknown extern function netif_device_detach [2022-12-13 17:32:37,084 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 17:32:37,084 WARN L623 FunctionHandler]: Unknown extern function pci_enable_device [2022-12-13 17:32:37,084 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 17:32:37,084 WARN L623 FunctionHandler]: Unknown extern function pci_restore_state [2022-12-13 17:32:37,085 WARN L623 FunctionHandler]: Unknown extern function netif_device_attach [2022-12-13 17:32:37,089 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 17:32:37,094 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 17:32:37,283 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 17:32:37,283 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 17:32:37,283 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 17:32:37,283 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 17:32:37,284 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 17:32:37,284 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 17:32:37,287 WARN L623 FunctionHandler]: Unknown extern function ldv_initialize [2022-12-13 17:32:37,289 WARN L623 FunctionHandler]: Unknown extern function ldv_switch_to_interrupt_context [2022-12-13 17:32:37,289 WARN L623 FunctionHandler]: Unknown extern function ldv_switch_to_process_context [2022-12-13 17:32:37,294 WARN L623 FunctionHandler]: Unknown extern function ldv_pre_probe [2022-12-13 17:32:37,299 WARN L623 FunctionHandler]: Unknown extern function unregister_netdev [2022-12-13 17:32:37,300 WARN L623 FunctionHandler]: Unknown extern function free_netdev [2022-12-13 17:32:37,300 WARN L623 FunctionHandler]: Unknown extern function unregister_netdev [2022-12-13 17:32:37,300 WARN L623 FunctionHandler]: Unknown extern function free_irq [2022-12-13 17:32:37,300 WARN L623 FunctionHandler]: Unknown extern function free_netdev [2022-12-13 17:32:37,301 WARN L623 FunctionHandler]: Unknown extern function __pci_register_driver [2022-12-13 17:32:37,301 WARN L623 FunctionHandler]: Unknown extern function pci_unregister_driver [2022-12-13 17:32:37,323 WARN L623 FunctionHandler]: Unknown extern function __init_rwsem [2022-12-13 17:32:37,324 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 17:32:37,325 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 17:32:37,336 WARN L623 FunctionHandler]: Unknown extern function down_write [2022-12-13 17:32:37,337 WARN L623 FunctionHandler]: Unknown extern function up_write [2022-12-13 17:32:37,340 WARN L623 FunctionHandler]: Unknown extern function down_read [2022-12-13 17:32:37,342 WARN L623 FunctionHandler]: Unknown extern function up_read [2022-12-13 17:32:37,343 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 17:32:37,345 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 17:32:37,353 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 17:32:37,354 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 17:32:37,355 WARN L623 FunctionHandler]: Unknown extern function down_read [2022-12-13 17:32:37,355 WARN L623 FunctionHandler]: Unknown extern function up_read [2022-12-13 17:32:37,356 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 17:32:37,360 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 17:32:37,405 WARN L623 FunctionHandler]: Unknown extern function ldv_check_alloc_flags [2022-12-13 17:32:37,405 WARN L623 FunctionHandler]: Unknown extern function ldv_after_alloc [2022-12-13 17:32:37,414 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-13 17:32:37,857 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_e8f4d012-2063-49e2-bff7-c10e884937b6/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-prism54-prism54.cil.i[482333,482346] [2022-12-13 17:32:37,860 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_e8f4d012-2063-49e2-bff7-c10e884937b6/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-prism54-prism54.cil.i[482502,482515] [2022-12-13 17:32:37,860 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_e8f4d012-2063-49e2-bff7-c10e884937b6/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-prism54-prism54.cil.i[482669,482682] [2022-12-13 17:32:37,860 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_e8f4d012-2063-49e2-bff7-c10e884937b6/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-prism54-prism54.cil.i[482837,482850] [2022-12-13 17:32:37,861 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 17:32:37,862 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 17:32:37,863 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 17:32:37,869 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 17:32:37,881 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 17:32:37,882 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 17:32:37,882 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 17:32:37,884 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 17:32:37,941 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 17:32:38,005 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock_irqrestore [2022-12-13 17:32:38,006 WARN L623 FunctionHandler]: Unknown extern function queue_work_on [2022-12-13 17:32:38,008 WARN L623 FunctionHandler]: Unknown extern function __phys_addr [2022-12-13 17:32:38,009 WARN L623 FunctionHandler]: Unknown extern function __phys_addr [2022-12-13 17:32:38,009 WARN L623 FunctionHandler]: Unknown extern function debug_dma_map_page [2022-12-13 17:32:38,010 WARN L623 FunctionHandler]: Unknown extern function debug_dma_unmap_page [2022-12-13 17:32:38,012 WARN L623 FunctionHandler]: Unknown extern function __netdev_alloc_skb [2022-12-13 17:32:38,013 WARN L623 FunctionHandler]: Unknown extern function netpoll_trap [2022-12-13 17:32:38,013 WARN L623 FunctionHandler]: Unknown extern function __netif_schedule [2022-12-13 17:32:38,013 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-12-13 17:32:38,014 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 17:32:38,014 WARN L623 FunctionHandler]: Unknown extern function __dev_kfree_skb_irq [2022-12-13 17:32:38,017 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 17:32:38,017 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 17:32:38,018 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 17:32:38,019 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-12-13 17:32:38,019 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 17:32:38,020 WARN L623 FunctionHandler]: Unknown extern function consume_skb [2022-12-13 17:32:38,021 WARN L623 FunctionHandler]: Unknown extern function skb_pull [2022-12-13 17:32:38,021 WARN L623 FunctionHandler]: Unknown extern function skb_copy_expand [2022-12-13 17:32:38,022 WARN L623 FunctionHandler]: Unknown extern function skb_push [2022-12-13 17:32:38,022 WARN L623 FunctionHandler]: Unknown extern function skb_pull [2022-12-13 17:32:38,024 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-12-13 17:32:38,024 WARN L623 FunctionHandler]: Unknown extern function skb_pull [2022-12-13 17:32:38,024 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-12-13 17:32:38,027 WARN L623 FunctionHandler]: Unknown extern function wireless_spy_update [2022-12-13 17:32:38,027 WARN L623 FunctionHandler]: Unknown extern function skb_pull [2022-12-13 17:32:38,028 WARN L623 FunctionHandler]: Unknown extern function eth_type_trans [2022-12-13 17:32:38,028 WARN L623 FunctionHandler]: Unknown extern function netif_rx [2022-12-13 17:32:38,028 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 17:32:38,029 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 17:32:38,030 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 17:32:38,031 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 17:32:38,031 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-12-13 17:32:38,032 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-12-13 17:32:38,032 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 17:32:38,033 WARN L623 FunctionHandler]: Unknown extern function debug_dma_sync_single_for_cpu [2022-12-13 17:32:38,035 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 17:32:38,036 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 17:32:38,037 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 17:32:38,037 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 17:32:38,038 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 17:32:38,039 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 17:32:38,040 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 17:32:38,040 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 17:32:38,040 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 17:32:38,041 WARN L623 FunctionHandler]: Unknown extern function __init_work [2022-12-13 17:32:38,041 WARN L623 FunctionHandler]: Unknown extern function lockdep_init_map [2022-12-13 17:32:38,042 WARN L623 FunctionHandler]: Unknown extern function __xchg_wrong_size [2022-12-13 17:32:38,042 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 17:32:38,042 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 17:32:38,042 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-12-13 17:32:38,043 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 17:32:38,044 WARN L623 FunctionHandler]: Unknown extern function msecs_to_jiffies [2022-12-13 17:32:38,045 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_interruptible_nested [2022-12-13 17:32:38,045 WARN L623 FunctionHandler]: Unknown extern function prepare_to_wait [2022-12-13 17:32:38,045 WARN L623 FunctionHandler]: Unknown extern function schedule_timeout_uninterruptible [2022-12-13 17:32:38,045 WARN L623 FunctionHandler]: Unknown extern function __xchg_wrong_size [2022-12-13 17:32:38,046 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 17:32:38,046 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 17:32:38,046 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 17:32:38,047 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 17:32:38,047 WARN L623 FunctionHandler]: Unknown extern function finish_wait [2022-12-13 17:32:38,047 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 17:32:38,047 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-12-13 17:32:38,048 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 17:32:38,048 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 17:32:38,049 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 17:32:38,049 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 17:32:38,049 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 17:32:38,050 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 17:32:38,050 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 17:32:38,050 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 17:32:38,051 WARN L623 FunctionHandler]: Unknown extern function __list_add [2022-12-13 17:32:38,051 WARN L623 FunctionHandler]: Unknown extern function __list_add [2022-12-13 17:32:38,051 WARN L623 FunctionHandler]: Unknown extern function __list_del_entry [2022-12-13 17:32:38,052 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 17:32:38,056 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 17:32:38,058 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-12-13 17:32:38,058 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 17:32:38,059 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 17:32:38,059 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 17:32:38,060 WARN L623 FunctionHandler]: Unknown extern function mutex_trylock [2022-12-13 17:32:38,060 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 17:32:38,061 WARN L623 FunctionHandler]: Unknown extern function strncpy [2022-12-13 17:32:38,061 WARN L623 FunctionHandler]: Unknown extern function strncpy [2022-12-13 17:32:38,063 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 17:32:38,064 WARN L623 FunctionHandler]: Unknown extern function down_write [2022-12-13 17:32:38,064 WARN L623 FunctionHandler]: Unknown extern function up_write [2022-12-13 17:32:38,064 WARN L623 FunctionHandler]: Unknown extern function up_write [2022-12-13 17:32:38,065 WARN L623 FunctionHandler]: Unknown extern function up_write [2022-12-13 17:32:38,068 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 17:32:38,069 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 17:32:38,070 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 17:32:38,075 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 17:32:38,077 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 17:32:38,078 WARN L623 FunctionHandler]: Unknown extern function down_write [2022-12-13 17:32:38,078 WARN L623 FunctionHandler]: Unknown extern function up_write [2022-12-13 17:32:38,078 WARN L623 FunctionHandler]: Unknown extern function down_read [2022-12-13 17:32:38,079 WARN L623 FunctionHandler]: Unknown extern function up_read [2022-12-13 17:32:38,079 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 17:32:38,080 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 17:32:38,081 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 17:32:38,082 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 17:32:38,082 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 17:32:38,091 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 17:32:38,092 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 17:32:38,093 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 17:32:38,094 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 17:32:38,095 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 17:32:38,096 WARN L623 FunctionHandler]: Unknown extern function down_write [2022-12-13 17:32:38,096 WARN L623 FunctionHandler]: Unknown extern function up_write [2022-12-13 17:32:38,098 WARN L623 FunctionHandler]: Unknown extern function down_write [2022-12-13 17:32:38,098 WARN L623 FunctionHandler]: Unknown extern function up_write [2022-12-13 17:32:38,099 WARN L623 FunctionHandler]: Unknown extern function down_write [2022-12-13 17:32:38,099 WARN L623 FunctionHandler]: Unknown extern function up_write [2022-12-13 17:32:38,106 WARN L623 FunctionHandler]: Unknown extern function down_write [2022-12-13 17:32:38,106 WARN L623 FunctionHandler]: Unknown extern function up_write [2022-12-13 17:32:38,108 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 17:32:38,109 WARN L623 FunctionHandler]: Unknown extern function __mutex_init [2022-12-13 17:32:38,109 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-12-13 17:32:38,109 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 17:32:38,109 WARN L623 FunctionHandler]: Unknown extern function list_del [2022-12-13 17:32:38,110 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 17:32:38,110 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 17:32:38,111 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_interruptible_nested [2022-12-13 17:32:38,111 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 17:32:38,111 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 17:32:38,133 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_interruptible_nested [2022-12-13 17:32:38,133 WARN L623 FunctionHandler]: Unknown extern function list_del [2022-12-13 17:32:38,134 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 17:32:38,134 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 17:32:38,134 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 17:32:38,134 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_interruptible_nested [2022-12-13 17:32:38,135 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 17:32:38,136 WARN L623 FunctionHandler]: Unknown extern function down_write [2022-12-13 17:32:38,136 WARN L623 FunctionHandler]: Unknown extern function up_write [2022-12-13 17:32:38,136 WARN L623 FunctionHandler]: Unknown extern function up_write [2022-12-13 17:32:38,137 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_interruptible_nested [2022-12-13 17:32:38,137 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 17:32:38,137 WARN L623 FunctionHandler]: Unknown extern function memcmp [2022-12-13 17:32:38,138 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 17:32:38,138 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 17:32:38,139 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 17:32:38,141 WARN L623 FunctionHandler]: Unknown extern function wireless_send_event [2022-12-13 17:32:38,141 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 17:32:38,142 WARN L623 FunctionHandler]: Unknown extern function wireless_send_event [2022-12-13 17:32:38,142 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 17:32:38,143 WARN L623 FunctionHandler]: Unknown extern function netif_carrier_on [2022-12-13 17:32:38,143 WARN L623 FunctionHandler]: Unknown extern function wireless_send_event [2022-12-13 17:32:38,143 WARN L623 FunctionHandler]: Unknown extern function netif_carrier_off [2022-12-13 17:32:38,144 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-12-13 17:32:38,144 WARN L623 FunctionHandler]: Unknown extern function memcmp [2022-12-13 17:32:38,144 WARN L623 FunctionHandler]: Unknown extern function list_del [2022-12-13 17:32:38,145 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 17:32:38,145 WARN L623 FunctionHandler]: Unknown extern function list_del [2022-12-13 17:32:38,146 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 17:32:38,146 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 17:32:38,146 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-12-13 17:32:38,146 WARN L623 FunctionHandler]: Unknown extern function memcmp [2022-12-13 17:32:38,147 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 17:32:38,147 WARN L623 FunctionHandler]: Unknown extern function __mutex_init [2022-12-13 17:32:38,147 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 17:32:38,148 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 17:32:38,148 WARN L623 FunctionHandler]: Unknown extern function memcmp [2022-12-13 17:32:38,152 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 17:32:38,152 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 17:32:38,153 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 17:32:38,153 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 17:32:38,154 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 17:32:38,154 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 17:32:38,154 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 17:32:38,155 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 17:32:38,156 WARN L623 FunctionHandler]: Unknown extern function down_write [2022-12-13 17:32:38,157 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 17:32:38,157 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 17:32:38,157 WARN L623 FunctionHandler]: Unknown extern function up_write [2022-12-13 17:32:38,159 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 17:32:38,159 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 17:32:38,160 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 17:32:38,160 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 17:32:38,161 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 17:32:38,161 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 17:32:38,162 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 17:32:38,162 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 17:32:38,162 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 17:32:38,163 WARN L623 FunctionHandler]: Unknown extern function down_write [2022-12-13 17:32:38,163 WARN L623 FunctionHandler]: Unknown extern function up_write [2022-12-13 17:32:38,163 WARN L623 FunctionHandler]: Unknown extern function iw_handler_set_spy [2022-12-13 17:32:38,169 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock [2022-12-13 17:32:38,169 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock [2022-12-13 17:32:38,169 WARN L623 FunctionHandler]: Unknown extern function ioremap_nocache [2022-12-13 17:32:38,171 WARN L623 FunctionHandler]: Unknown extern function debug_dma_alloc_coherent [2022-12-13 17:32:38,172 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-12-13 17:32:38,172 WARN L623 FunctionHandler]: Unknown extern function debug_dma_free_coherent [2022-12-13 17:32:38,174 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 17:32:38,174 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 17:32:38,174 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 17:32:38,174 WARN L623 FunctionHandler]: Unknown extern function request_firmware [2022-12-13 17:32:38,175 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 17:32:38,175 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 17:32:38,176 WARN L623 FunctionHandler]: Unknown extern function release_firmware [2022-12-13 17:32:38,176 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 17:32:38,177 WARN L623 FunctionHandler]: Unknown extern function release_firmware [2022-12-13 17:32:38,177 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 17:32:38,177 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 17:32:38,177 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 17:32:38,179 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-12-13 17:32:38,180 WARN L623 FunctionHandler]: Unknown extern function netif_carrier_off [2022-12-13 17:32:38,181 WARN L623 FunctionHandler]: Unknown extern function netif_carrier_on [2022-12-13 17:32:38,181 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 17:32:38,182 WARN L623 FunctionHandler]: Unknown extern function synchronize_irq [2022-12-13 17:32:38,182 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 17:32:38,182 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 17:32:38,182 WARN L623 FunctionHandler]: Unknown extern function msecs_to_jiffies [2022-12-13 17:32:38,182 WARN L623 FunctionHandler]: Unknown extern function schedule_timeout_uninterruptible [2022-12-13 17:32:38,183 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 17:32:38,183 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 17:32:38,183 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 17:32:38,184 WARN L623 FunctionHandler]: Unknown extern function prepare_to_wait [2022-12-13 17:32:38,184 WARN L623 FunctionHandler]: Unknown extern function schedule_timeout_uninterruptible [2022-12-13 17:32:38,184 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 17:32:38,185 WARN L623 FunctionHandler]: Unknown extern function finish_wait [2022-12-13 17:32:38,185 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 17:32:38,185 WARN L623 FunctionHandler]: Unknown extern function down_write [2022-12-13 17:32:38,185 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 17:32:38,185 WARN L623 FunctionHandler]: Unknown extern function up_write [2022-12-13 17:32:38,186 WARN L623 FunctionHandler]: Unknown extern function up_write [2022-12-13 17:32:38,186 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 17:32:38,186 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 17:32:38,187 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 17:32:38,188 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 17:32:38,188 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 17:32:38,188 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 17:32:38,189 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 17:32:38,190 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 17:32:38,191 WARN L623 FunctionHandler]: Unknown extern function iounmap [2022-12-13 17:32:38,191 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 17:32:38,192 WARN L623 FunctionHandler]: Unknown extern function consume_skb [2022-12-13 17:32:38,192 WARN L623 FunctionHandler]: Unknown extern function strlcpy [2022-12-13 17:32:38,192 WARN L623 FunctionHandler]: Unknown extern function strlcpy [2022-12-13 17:32:38,197 WARN L623 FunctionHandler]: Unknown extern function __init_waitqueue_head [2022-12-13 17:32:38,197 WARN L623 FunctionHandler]: Unknown extern function __mutex_init [2022-12-13 17:32:38,197 WARN L623 FunctionHandler]: Unknown extern function __init_waitqueue_head [2022-12-13 17:32:38,197 WARN L623 FunctionHandler]: Unknown extern function __mutex_init [2022-12-13 17:32:38,198 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-12-13 17:32:38,198 WARN L623 FunctionHandler]: Unknown extern function __init_work [2022-12-13 17:32:38,198 WARN L623 FunctionHandler]: Unknown extern function lockdep_init_map [2022-12-13 17:32:38,198 WARN L623 FunctionHandler]: Unknown extern function __init_work [2022-12-13 17:32:38,198 WARN L623 FunctionHandler]: Unknown extern function lockdep_init_map [2022-12-13 17:32:38,199 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 17:32:38,202 WARN L623 FunctionHandler]: Unknown extern function eth_validate_addr [2022-12-13 17:32:38,202 WARN L623 FunctionHandler]: Unknown extern function eth_change_mtu [2022-12-13 17:32:38,203 WARN L623 FunctionHandler]: Unknown extern function ldv_pre_register_netdev [2022-12-13 17:32:38,205 WARN L623 FunctionHandler]: Unknown extern function alloc_etherdev_mqs [2022-12-13 17:32:38,206 WARN L623 FunctionHandler]: Unknown extern function register_netdev [2022-12-13 17:32:38,206 WARN L623 FunctionHandler]: Unknown extern function free_netdev [2022-12-13 17:32:38,206 WARN L623 FunctionHandler]: Unknown extern function pci_bus_read_config_byte [2022-12-13 17:32:38,208 WARN L623 FunctionHandler]: Unknown extern function pci_bus_read_config_dword [2022-12-13 17:32:38,208 WARN L623 FunctionHandler]: Unknown extern function pci_bus_write_config_byte [2022-12-13 17:32:38,209 WARN L623 FunctionHandler]: Unknown extern function dma_set_mask [2022-12-13 17:32:38,210 WARN L623 FunctionHandler]: Unknown extern function request_threaded_irq [2022-12-13 17:32:38,210 WARN L623 FunctionHandler]: Unknown extern function __compiletime_assert_106 [2022-12-13 17:32:38,211 WARN L623 FunctionHandler]: Unknown extern function __compiletime_assert_107 [2022-12-13 17:32:38,211 WARN L623 FunctionHandler]: Unknown extern function __compiletime_assert_108 [2022-12-13 17:32:38,211 WARN L623 FunctionHandler]: Unknown extern function __compiletime_assert_109 [2022-12-13 17:32:38,211 WARN L623 FunctionHandler]: Unknown extern function __compiletime_assert_110 [2022-12-13 17:32:38,211 WARN L623 FunctionHandler]: Unknown extern function __compiletime_assert_111 [2022-12-13 17:32:38,211 WARN L623 FunctionHandler]: Unknown extern function __compiletime_assert_112 [2022-12-13 17:32:38,211 WARN L623 FunctionHandler]: Unknown extern function __compiletime_assert_113 [2022-12-13 17:32:38,212 WARN L623 FunctionHandler]: Unknown extern function pci_enable_device [2022-12-13 17:32:38,212 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 17:32:38,213 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 17:32:38,213 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 17:32:38,213 WARN L623 FunctionHandler]: Unknown extern function pci_request_regions [2022-12-13 17:32:38,214 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 17:32:38,214 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 17:32:38,214 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 17:32:38,215 WARN L623 FunctionHandler]: Unknown extern function pci_set_master [2022-12-13 17:32:38,215 WARN L623 FunctionHandler]: Unknown extern function pci_try_set_mwi [2022-12-13 17:32:38,215 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 17:32:38,216 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 17:32:38,216 WARN L623 FunctionHandler]: Unknown extern function pci_clear_mwi [2022-12-13 17:32:38,216 WARN L623 FunctionHandler]: Unknown extern function pci_release_regions [2022-12-13 17:32:38,216 WARN L623 FunctionHandler]: Unknown extern function pci_disable_device [2022-12-13 17:32:38,217 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 17:32:38,217 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 17:32:38,218 WARN L623 FunctionHandler]: Unknown extern function pci_clear_mwi [2022-12-13 17:32:38,218 WARN L623 FunctionHandler]: Unknown extern function pci_release_regions [2022-12-13 17:32:38,218 WARN L623 FunctionHandler]: Unknown extern function pci_disable_device [2022-12-13 17:32:38,219 WARN L623 FunctionHandler]: Unknown extern function pci_save_state [2022-12-13 17:32:38,219 WARN L623 FunctionHandler]: Unknown extern function netif_device_detach [2022-12-13 17:32:38,220 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 17:32:38,220 WARN L623 FunctionHandler]: Unknown extern function pci_enable_device [2022-12-13 17:32:38,220 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 17:32:38,220 WARN L623 FunctionHandler]: Unknown extern function pci_restore_state [2022-12-13 17:32:38,220 WARN L623 FunctionHandler]: Unknown extern function netif_device_attach [2022-12-13 17:32:38,221 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 17:32:38,221 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 17:32:38,223 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 17:32:38,223 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 17:32:38,223 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 17:32:38,223 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 17:32:38,223 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 17:32:38,223 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 17:32:38,225 WARN L623 FunctionHandler]: Unknown extern function ldv_initialize [2022-12-13 17:32:38,226 WARN L623 FunctionHandler]: Unknown extern function ldv_switch_to_interrupt_context [2022-12-13 17:32:38,226 WARN L623 FunctionHandler]: Unknown extern function ldv_switch_to_process_context [2022-12-13 17:32:38,229 WARN L623 FunctionHandler]: Unknown extern function ldv_pre_probe [2022-12-13 17:32:38,234 WARN L623 FunctionHandler]: Unknown extern function unregister_netdev [2022-12-13 17:32:38,234 WARN L623 FunctionHandler]: Unknown extern function free_netdev [2022-12-13 17:32:38,234 WARN L623 FunctionHandler]: Unknown extern function unregister_netdev [2022-12-13 17:32:38,234 WARN L623 FunctionHandler]: Unknown extern function free_irq [2022-12-13 17:32:38,234 WARN L623 FunctionHandler]: Unknown extern function free_netdev [2022-12-13 17:32:38,235 WARN L623 FunctionHandler]: Unknown extern function __pci_register_driver [2022-12-13 17:32:38,235 WARN L623 FunctionHandler]: Unknown extern function pci_unregister_driver [2022-12-13 17:32:38,238 WARN L623 FunctionHandler]: Unknown extern function __init_rwsem [2022-12-13 17:32:38,238 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 17:32:38,239 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 17:32:38,243 WARN L623 FunctionHandler]: Unknown extern function down_write [2022-12-13 17:32:38,243 WARN L623 FunctionHandler]: Unknown extern function up_write [2022-12-13 17:32:38,246 WARN L623 FunctionHandler]: Unknown extern function down_read [2022-12-13 17:32:38,247 WARN L623 FunctionHandler]: Unknown extern function up_read [2022-12-13 17:32:38,248 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 17:32:38,249 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 17:32:38,262 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 17:32:38,263 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 17:32:38,263 WARN L623 FunctionHandler]: Unknown extern function down_read [2022-12-13 17:32:38,263 WARN L623 FunctionHandler]: Unknown extern function up_read [2022-12-13 17:32:38,264 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 17:32:38,266 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 17:32:38,270 WARN L623 FunctionHandler]: Unknown extern function ldv_check_alloc_flags [2022-12-13 17:32:38,270 WARN L623 FunctionHandler]: Unknown extern function ldv_after_alloc [2022-12-13 17:32:38,271 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-13 17:32:38,283 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_e8f4d012-2063-49e2-bff7-c10e884937b6/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-prism54-prism54.cil.i[482333,482346] [2022-12-13 17:32:38,283 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_e8f4d012-2063-49e2-bff7-c10e884937b6/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-prism54-prism54.cil.i[482502,482515] [2022-12-13 17:32:38,283 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_e8f4d012-2063-49e2-bff7-c10e884937b6/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-prism54-prism54.cil.i[482669,482682] [2022-12-13 17:32:38,284 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_e8f4d012-2063-49e2-bff7-c10e884937b6/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-prism54-prism54.cil.i[482837,482850] [2022-12-13 17:32:38,284 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 17:32:38,286 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 17:32:38,287 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 17:32:38,288 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 17:32:38,289 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 17:32:38,289 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 17:32:38,289 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 17:32:38,290 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 17:32:38,443 INFO L208 MainTranslator]: Completed translation [2022-12-13 17:32:38,444 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 05:32:38 WrapperNode [2022-12-13 17:32:38,444 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 17:32:38,444 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 17:32:38,445 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 17:32:38,445 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 17:32:38,450 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 05:32:38" (1/1) ... [2022-12-13 17:32:38,522 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 05:32:38" (1/1) ... [2022-12-13 17:32:38,681 INFO L138 Inliner]: procedures = 578, calls = 6434, calls flagged for inlining = 254, calls inlined = 233, statements flattened = 8805 [2022-12-13 17:32:38,681 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 17:32:38,681 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 17:32:38,681 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 17:32:38,681 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 17:32:38,689 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 05:32:38" (1/1) ... [2022-12-13 17:32:38,689 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 05:32:38" (1/1) ... [2022-12-13 17:32:38,715 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 05:32:38" (1/1) ... [2022-12-13 17:32:38,715 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 05:32:38" (1/1) ... [2022-12-13 17:32:38,860 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 05:32:38" (1/1) ... [2022-12-13 17:32:38,876 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 05:32:38" (1/1) ... [2022-12-13 17:32:38,902 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 05:32:38" (1/1) ... [2022-12-13 17:32:38,915 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 05:32:38" (1/1) ... [2022-12-13 17:32:38,947 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 17:32:38,947 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 17:32:38,947 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 17:32:38,947 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 17:32:38,948 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 05:32:38" (1/1) ... [2022-12-13 17:32:38,953 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 17:32:38,960 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8f4d012-2063-49e2-bff7-c10e884937b6/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 17:32:38,972 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8f4d012-2063-49e2-bff7-c10e884937b6/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-13 17:32:39,003 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8f4d012-2063-49e2-bff7-c10e884937b6/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-13 17:32:39,028 INFO L130 BoogieDeclarations]: Found specification of procedure mgt_le_to_cpu [2022-12-13 17:32:39,029 INFO L138 BoogieDeclarations]: Found implementation of procedure mgt_le_to_cpu [2022-12-13 17:32:39,029 INFO L130 BoogieDeclarations]: Found specification of procedure islpci_eth_tx_timeout [2022-12-13 17:32:39,029 INFO L138 BoogieDeclarations]: Found implementation of procedure islpci_eth_tx_timeout [2022-12-13 17:32:39,029 INFO L130 BoogieDeclarations]: Found specification of procedure __xchg_wrong_size [2022-12-13 17:32:39,029 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2022-12-13 17:32:39,029 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2022-12-13 17:32:39,029 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-12-13 17:32:39,029 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-12-13 17:32:39,029 INFO L130 BoogieDeclarations]: Found specification of procedure islpci_trigger [2022-12-13 17:32:39,029 INFO L138 BoogieDeclarations]: Found implementation of procedure islpci_trigger [2022-12-13 17:32:39,029 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2022-12-13 17:32:39,029 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2022-12-13 17:32:39,029 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-12-13 17:32:39,029 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-12-13 17:32:39,029 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_slock_of_NOT_ARG_SIGN [2022-12-13 17:32:39,029 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_slock_of_NOT_ARG_SIGN [2022-12-13 17:32:39,029 INFO L130 BoogieDeclarations]: Found specification of procedure prism54_mib_mode_helper [2022-12-13 17:32:39,029 INFO L138 BoogieDeclarations]: Found implementation of procedure prism54_mib_mode_helper [2022-12-13 17:32:39,029 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-12-13 17:32:39,029 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-12-13 17:32:39,029 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-12-13 17:32:39,030 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-12-13 17:32:39,030 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_on [2022-12-13 17:32:39,030 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_on [2022-12-13 17:32:39,030 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_61 [2022-12-13 17:32:39,030 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_61 [2022-12-13 17:32:39,030 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_slock_of_NOT_ARG_SIGN [2022-12-13 17:32:39,030 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_slock_of_NOT_ARG_SIGN [2022-12-13 17:32:39,030 INFO L130 BoogieDeclarations]: Found specification of procedure mgt_set_request [2022-12-13 17:32:39,030 INFO L138 BoogieDeclarations]: Found implementation of procedure mgt_set_request [2022-12-13 17:32:39,030 INFO L130 BoogieDeclarations]: Found specification of procedure mgt_cpu_to_le [2022-12-13 17:32:39,030 INFO L138 BoogieDeclarations]: Found implementation of procedure mgt_cpu_to_le [2022-12-13 17:32:39,030 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2022-12-13 17:32:39,030 INFO L130 BoogieDeclarations]: Found specification of procedure islpci_get_state [2022-12-13 17:32:39,030 INFO L138 BoogieDeclarations]: Found implementation of procedure islpci_get_state [2022-12-13 17:32:39,030 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2022-12-13 17:32:39,030 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2022-12-13 17:32:39,030 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-12-13 17:32:39,030 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-12-13 17:32:39,030 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2022-12-13 17:32:39,030 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2022-12-13 17:32:39,030 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2022-12-13 17:32:39,030 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2022-12-13 17:32:39,030 INFO L130 BoogieDeclarations]: Found specification of procedure islpci_mgt_release [2022-12-13 17:32:39,030 INFO L138 BoogieDeclarations]: Found implementation of procedure islpci_mgt_release [2022-12-13 17:32:39,031 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-12-13 17:32:39,031 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-12-13 17:32:39,031 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2022-12-13 17:32:39,031 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2022-12-13 17:32:39,031 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-13 17:32:39,031 INFO L130 BoogieDeclarations]: Found specification of procedure send_simple_event [2022-12-13 17:32:39,031 INFO L138 BoogieDeclarations]: Found implementation of procedure send_simple_event [2022-12-13 17:32:39,031 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2022-12-13 17:32:39,031 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2022-12-13 17:32:39,031 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-12-13 17:32:39,031 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-12-13 17:32:39,031 INFO L130 BoogieDeclarations]: Found specification of procedure send_formatted_event [2022-12-13 17:32:39,031 INFO L138 BoogieDeclarations]: Found implementation of procedure send_formatted_event [2022-12-13 17:32:39,031 INFO L130 BoogieDeclarations]: Found specification of procedure mgt_set [2022-12-13 17:32:39,032 INFO L138 BoogieDeclarations]: Found implementation of procedure mgt_set [2022-12-13 17:32:39,032 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-12-13 17:32:39,032 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-12-13 17:32:39,032 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-12-13 17:32:39,032 INFO L130 BoogieDeclarations]: Found specification of procedure islpci_reset [2022-12-13 17:32:39,032 INFO L138 BoogieDeclarations]: Found implementation of procedure islpci_reset [2022-12-13 17:32:39,032 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-12-13 17:32:39,032 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-12-13 17:32:39,032 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdev [2022-12-13 17:32:39,032 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdev [2022-12-13 17:32:39,032 INFO L130 BoogieDeclarations]: Found specification of procedure skb_copy_from_linear_data [2022-12-13 17:32:39,032 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_copy_from_linear_data [2022-12-13 17:32:39,032 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-12-13 17:32:39,032 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-12-13 17:32:39,032 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-12-13 17:32:39,032 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-13 17:32:39,032 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2022-12-13 17:32:39,032 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2022-12-13 17:32:39,032 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-12-13 17:32:39,032 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-12-13 17:32:39,032 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2022-12-13 17:32:39,032 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2022-12-13 17:32:39,032 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2022-12-13 17:32:39,032 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2022-12-13 17:32:39,033 INFO L130 BoogieDeclarations]: Found specification of procedure islpci_open [2022-12-13 17:32:39,033 INFO L138 BoogieDeclarations]: Found implementation of procedure islpci_open [2022-12-13 17:32:39,033 INFO L130 BoogieDeclarations]: Found specification of procedure prism54_resume [2022-12-13 17:32:39,033 INFO L138 BoogieDeclarations]: Found implementation of procedure prism54_resume [2022-12-13 17:32:39,033 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2022-12-13 17:32:39,033 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2022-12-13 17:32:39,033 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2022-12-13 17:32:39,033 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2022-12-13 17:32:39,033 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-12-13 17:32:39,033 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2022-12-13 17:32:39,033 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2022-12-13 17:32:39,033 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2022-12-13 17:32:39,033 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2022-12-13 17:32:39,033 INFO L130 BoogieDeclarations]: Found specification of procedure up_read [2022-12-13 17:32:39,033 INFO L138 BoogieDeclarations]: Found implementation of procedure up_read [2022-12-13 17:32:39,033 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2022-12-13 17:32:39,033 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2022-12-13 17:32:39,033 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-13 17:32:39,033 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-12-13 17:32:39,033 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-12-13 17:32:39,033 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-12-13 17:32:39,033 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-12-13 17:32:39,033 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-12-13 17:32:39,033 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-12-13 17:32:39,034 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-12-13 17:32:39,034 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-12-13 17:32:39,034 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2022-12-13 17:32:39,034 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2022-12-13 17:32:39,034 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2022-12-13 17:32:39,034 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2022-12-13 17:32:39,034 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2022-12-13 17:32:39,034 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2022-12-13 17:32:39,034 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-12-13 17:32:39,034 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-12-13 17:32:39,034 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2022-12-13 17:32:39,034 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2022-12-13 17:32:39,034 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2022-12-13 17:32:39,034 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2022-12-13 17:32:39,034 INFO L130 BoogieDeclarations]: Found specification of procedure down_write [2022-12-13 17:32:39,034 INFO L138 BoogieDeclarations]: Found implementation of procedure down_write [2022-12-13 17:32:39,034 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2022-12-13 17:32:39,035 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2022-12-13 17:32:39,035 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2022-12-13 17:32:39,035 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2022-12-13 17:32:39,035 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_prism54_module_exit_12_2 [2022-12-13 17:32:39,035 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_prism54_module_exit_12_2 [2022-12-13 17:32:39,035 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_timeout_uninterruptible [2022-12-13 17:32:39,035 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_timeout_uninterruptible [2022-12-13 17:32:39,035 INFO L130 BoogieDeclarations]: Found specification of procedure finish_wait [2022-12-13 17:32:39,035 INFO L138 BoogieDeclarations]: Found implementation of procedure finish_wait [2022-12-13 17:32:39,035 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 17:32:39,035 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 17:32:39,035 INFO L130 BoogieDeclarations]: Found specification of procedure wireless_send_event [2022-12-13 17:32:39,035 INFO L138 BoogieDeclarations]: Found implementation of procedure wireless_send_event [2022-12-13 17:32:39,035 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2022-12-13 17:32:39,035 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2022-12-13 17:32:39,035 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy [2022-12-13 17:32:39,035 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy [2022-12-13 17:32:39,035 INFO L130 BoogieDeclarations]: Found specification of procedure prism54_clear_mac [2022-12-13 17:32:39,035 INFO L138 BoogieDeclarations]: Found implementation of procedure prism54_clear_mac [2022-12-13 17:32:39,035 INFO L130 BoogieDeclarations]: Found specification of procedure prism54_wpa_bss_ie_get [2022-12-13 17:32:39,035 INFO L138 BoogieDeclarations]: Found implementation of procedure prism54_wpa_bss_ie_get [2022-12-13 17:32:39,035 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-12-13 17:32:39,036 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-12-13 17:32:39,036 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-12-13 17:32:39,036 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-12-13 17:32:39,036 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-12-13 17:32:39,036 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-12-13 17:32:39,036 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2022-12-13 17:32:39,036 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2022-12-13 17:32:39,036 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2022-12-13 17:32:39,036 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2022-12-13 17:32:39,036 INFO L130 BoogieDeclarations]: Found specification of procedure handle_request [2022-12-13 17:32:39,036 INFO L138 BoogieDeclarations]: Found implementation of procedure handle_request [2022-12-13 17:32:39,036 INFO L130 BoogieDeclarations]: Found specification of procedure prism54_bring_down [2022-12-13 17:32:39,036 INFO L138 BoogieDeclarations]: Found implementation of procedure prism54_bring_down [2022-12-13 17:32:39,036 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_interruptible_nested [2022-12-13 17:32:39,036 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_interruptible_nested [2022-12-13 17:32:39,036 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-12-13 17:32:39,036 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-12-13 17:32:39,036 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2022-12-13 17:32:39,036 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2022-12-13 17:32:39,036 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-12-13 17:32:39,036 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-12-13 17:32:39,036 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2022-12-13 17:32:39,037 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2022-12-13 17:32:39,037 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2022-12-13 17:32:39,037 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2022-12-13 17:32:39,037 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2022-12-13 17:32:39,037 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2022-12-13 17:32:39,037 INFO L130 BoogieDeclarations]: Found specification of procedure netif_start_queue [2022-12-13 17:32:39,037 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_start_queue [2022-12-13 17:32:39,037 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-13 17:32:39,037 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-12-13 17:32:39,037 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-12-13 17:32:39,037 INFO L130 BoogieDeclarations]: Found specification of procedure islpci_set_state [2022-12-13 17:32:39,037 INFO L138 BoogieDeclarations]: Found implementation of procedure islpci_set_state [2022-12-13 17:32:39,037 INFO L130 BoogieDeclarations]: Found specification of procedure down_read [2022-12-13 17:32:39,037 INFO L138 BoogieDeclarations]: Found implementation of procedure down_read [2022-12-13 17:32:39,037 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-12-13 17:32:39,037 INFO L130 BoogieDeclarations]: Found specification of procedure mgt_set_varlen [2022-12-13 17:32:39,037 INFO L138 BoogieDeclarations]: Found implementation of procedure mgt_set_varlen [2022-12-13 17:32:39,037 INFO L130 BoogieDeclarations]: Found specification of procedure up_write [2022-12-13 17:32:39,037 INFO L138 BoogieDeclarations]: Found implementation of procedure up_write [2022-12-13 17:32:39,037 INFO L130 BoogieDeclarations]: Found specification of procedure pci_clear_mwi [2022-12-13 17:32:39,037 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_clear_mwi [2022-12-13 17:32:39,037 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-12-13 17:32:39,037 INFO L130 BoogieDeclarations]: Found specification of procedure islpci_close [2022-12-13 17:32:39,038 INFO L138 BoogieDeclarations]: Found implementation of procedure islpci_close [2022-12-13 17:32:39,038 INFO L130 BoogieDeclarations]: Found specification of procedure pci_write_config_byte [2022-12-13 17:32:39,038 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_write_config_byte [2022-12-13 17:32:39,038 INFO L130 BoogieDeclarations]: Found specification of procedure mgt_get_request [2022-12-13 17:32:39,038 INFO L138 BoogieDeclarations]: Found implementation of procedure mgt_get_request [2022-12-13 17:32:39,038 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2022-12-13 17:32:39,038 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2022-12-13 17:32:39,038 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2022-12-13 17:32:39,038 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2022-12-13 17:32:39,038 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2022-12-13 17:32:39,038 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2022-12-13 17:32:39,038 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-12-13 17:32:39,038 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-12-13 17:32:39,038 INFO L130 BoogieDeclarations]: Found specification of procedure prism54_remove [2022-12-13 17:32:39,038 INFO L138 BoogieDeclarations]: Found implementation of procedure prism54_remove [2022-12-13 17:32:39,038 INFO L130 BoogieDeclarations]: Found specification of procedure isl38xx_w32_flush [2022-12-13 17:32:39,038 INFO L138 BoogieDeclarations]: Found implementation of procedure isl38xx_w32_flush [2022-12-13 17:32:39,038 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-12-13 17:32:39,038 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-12-13 17:32:39,038 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2022-12-13 17:32:39,038 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2022-12-13 17:32:39,038 INFO L130 BoogieDeclarations]: Found specification of procedure release_firmware [2022-12-13 17:32:39,038 INFO L138 BoogieDeclarations]: Found implementation of procedure release_firmware [2022-12-13 17:32:39,038 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-12-13 17:32:39,039 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-12-13 17:32:39,039 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_irq [2022-12-13 17:32:39,039 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_irq [2022-12-13 17:32:39,039 INFO L130 BoogieDeclarations]: Found specification of procedure mgt_commit_list [2022-12-13 17:32:39,039 INFO L138 BoogieDeclarations]: Found implementation of procedure mgt_commit_list [2022-12-13 17:32:39,039 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2022-12-13 17:32:39,039 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2022-12-13 17:32:39,039 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2022-12-13 17:32:39,039 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2022-12-13 17:32:39,039 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-12-13 17:32:39,039 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-12-13 17:32:39,039 INFO L130 BoogieDeclarations]: Found specification of procedure islpci_mgmt_rx_fill [2022-12-13 17:32:39,039 INFO L138 BoogieDeclarations]: Found implementation of procedure islpci_mgmt_rx_fill [2022-12-13 17:32:39,039 INFO L130 BoogieDeclarations]: Found specification of procedure islpci_mgt_transaction [2022-12-13 17:32:39,039 INFO L138 BoogieDeclarations]: Found implementation of procedure islpci_mgt_transaction [2022-12-13 17:32:39,039 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_61 [2022-12-13 17:32:39,039 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_61 [2022-12-13 17:32:39,039 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-12-13 17:32:39,039 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-12-13 17:32:39,039 INFO L130 BoogieDeclarations]: Found specification of procedure channel_of_freq [2022-12-13 17:32:39,039 INFO L138 BoogieDeclarations]: Found implementation of procedure channel_of_freq [2022-12-13 17:32:39,039 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-13 17:32:39,039 INFO L130 BoogieDeclarations]: Found specification of procedure skb_pull [2022-12-13 17:32:39,039 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_pull [2022-12-13 17:32:39,040 INFO L130 BoogieDeclarations]: Found specification of procedure dev_alloc_skb [2022-12-13 17:32:39,040 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_alloc_skb [2022-12-13 17:32:39,040 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-12-13 17:32:39,040 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-12-13 17:32:39,040 INFO L130 BoogieDeclarations]: Found specification of procedure islpci_free_memory [2022-12-13 17:32:39,040 INFO L138 BoogieDeclarations]: Found implementation of procedure islpci_free_memory [2022-12-13 17:32:39,040 INFO L130 BoogieDeclarations]: Found specification of procedure mgt_commit [2022-12-13 17:32:39,040 INFO L138 BoogieDeclarations]: Found implementation of procedure mgt_commit [2022-12-13 17:32:39,040 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2022-12-13 17:32:39,040 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2022-12-13 17:32:39,040 INFO L130 BoogieDeclarations]: Found specification of procedure __swab32s [2022-12-13 17:32:39,040 INFO L138 BoogieDeclarations]: Found implementation of procedure __swab32s [2022-12-13 17:32:39,040 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab64 [2022-12-13 17:32:39,040 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab64 [2022-12-13 17:32:39,040 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2022-12-13 17:32:39,040 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2022-12-13 17:32:39,040 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-12-13 17:32:39,040 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-12-13 17:32:39,040 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2022-12-13 17:32:39,040 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2022-12-13 17:32:39,040 INFO L130 BoogieDeclarations]: Found specification of procedure prepare_to_wait [2022-12-13 17:32:39,040 INFO L138 BoogieDeclarations]: Found implementation of procedure prepare_to_wait [2022-12-13 17:32:39,040 INFO L130 BoogieDeclarations]: Found specification of procedure isl38xx_in_queue [2022-12-13 17:32:39,040 INFO L138 BoogieDeclarations]: Found implementation of procedure isl38xx_in_queue [2022-12-13 17:32:39,041 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2022-12-13 17:32:39,041 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2022-12-13 17:32:39,041 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2022-12-13 17:32:39,041 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2022-12-13 17:32:39,041 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-13 17:32:39,041 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-12-13 17:32:39,041 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-12-13 17:32:39,041 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdev [2022-12-13 17:32:39,041 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdev [2022-12-13 17:32:39,041 INFO L130 BoogieDeclarations]: Found specification of procedure isl38xx_disable_interrupts [2022-12-13 17:32:39,041 INFO L138 BoogieDeclarations]: Found implementation of procedure isl38xx_disable_interrupts [2022-12-13 17:32:39,708 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 17:32:39,710 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 17:32:40,047 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-12-13 17:32:45,818 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2022-12-13 17:32:46,090 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 17:32:46,108 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 17:32:46,108 INFO L300 CfgBuilder]: Removed 4 assume(true) statements. [2022-12-13 17:32:46,112 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 05:32:46 BoogieIcfgContainer [2022-12-13 17:32:46,112 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 17:32:46,114 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-13 17:32:46,115 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-13 17:32:46,117 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-13 17:32:46,118 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.12 05:32:34" (1/3) ... [2022-12-13 17:32:46,118 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@20711124 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 05:32:46, skipping insertion in model container [2022-12-13 17:32:46,118 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 05:32:38" (2/3) ... [2022-12-13 17:32:46,119 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@20711124 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 05:32:46, skipping insertion in model container [2022-12-13 17:32:46,119 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 05:32:46" (3/3) ... [2022-12-13 17:32:46,120 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-prism54-prism54.cil.i [2022-12-13 17:32:46,138 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-13 17:32:46,138 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2022-12-13 17:32:46,222 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-13 17:32:46,227 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;@211c29a2, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-12-13 17:32:46,227 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2022-12-13 17:32:46,236 INFO L276 IsEmpty]: Start isEmpty. Operand has 2404 states, 1654 states have (on average 1.297460701330109) internal successors, (2146), 1705 states have internal predecessors, (2146), 620 states have call successors, (620), 128 states have call predecessors, (620), 127 states have return successors, (614), 594 states have call predecessors, (614), 614 states have call successors, (614) [2022-12-13 17:32:46,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2022-12-13 17:32:46,245 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 17:32:46,246 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 6, 6, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 17:32:46,246 INFO L420 AbstractCegarLoop]: === Iteration 1 === 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 17:32:46,250 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 17:32:46,250 INFO L85 PathProgramCache]: Analyzing trace with hash -921807869, now seen corresponding path program 1 times [2022-12-13 17:32:46,256 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 17:32:46,256 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1977470021] [2022-12-13 17:32:46,257 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 17:32:46,257 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 17:32:46,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:32:47,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-12-13 17:32:47,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:32:47,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:32:47,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:32:47,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-12-13 17:32:47,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:32:47,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:32:47,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:32:47,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-12-13 17:32:47,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:32:47,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:32:47,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:32:47,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-12-13 17:32:47,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:32:47,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:32:47,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:32:47,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-12-13 17:32:47,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:32:47,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:32:47,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:32:47,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-12-13 17:32:47,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:32:47,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:32:47,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:32:47,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-12-13 17:32:47,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:32:47,423 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 153 trivial. 0 not checked. [2022-12-13 17:32:47,424 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 17:32:47,424 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1977470021] [2022-12-13 17:32:47,424 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1977470021] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 17:32:47,424 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 17:32:47,424 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-13 17:32:47,426 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [729486186] [2022-12-13 17:32:47,426 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 17:32:47,429 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-13 17:32:47,430 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 17:32:47,450 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-13 17:32:47,451 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-13 17:32:47,455 INFO L87 Difference]: Start difference. First operand has 2404 states, 1654 states have (on average 1.297460701330109) internal successors, (2146), 1705 states have internal predecessors, (2146), 620 states have call successors, (620), 128 states have call predecessors, (620), 127 states have return successors, (614), 594 states have call predecessors, (614), 614 states have call successors, (614) Second operand has 4 states, 4 states have (on average 7.25) internal successors, (29), 3 states have internal predecessors, (29), 3 states have call successors, (10), 3 states have call predecessors, (10), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2022-12-13 17:32:52,465 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 17:32:52,466 INFO L93 Difference]: Finished difference Result 6991 states and 10173 transitions. [2022-12-13 17:32:52,466 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-13 17:32:52,467 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 7.25) internal successors, (29), 3 states have internal predecessors, (29), 3 states have call successors, (10), 3 states have call predecessors, (10), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 89 [2022-12-13 17:32:52,468 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 17:32:52,497 INFO L225 Difference]: With dead ends: 6991 [2022-12-13 17:32:52,497 INFO L226 Difference]: Without dead ends: 4584 [2022-12-13 17:32:52,513 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 28 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 17:32:52,515 INFO L413 NwaCegarLoop]: 2865 mSDtfsCounter, 3852 mSDsluCounter, 3521 mSDsCounter, 0 mSdLazyCounter, 3212 mSolverCounterSat, 1502 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4291 SdHoareTripleChecker+Valid, 6386 SdHoareTripleChecker+Invalid, 4714 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1502 IncrementalHoareTripleChecker+Valid, 3212 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.5s IncrementalHoareTripleChecker+Time [2022-12-13 17:32:52,516 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4291 Valid, 6386 Invalid, 4714 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1502 Valid, 3212 Invalid, 0 Unknown, 0 Unchecked, 4.5s Time] [2022-12-13 17:32:52,533 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4584 states. [2022-12-13 17:32:52,694 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4584 to 4383. [2022-12-13 17:32:52,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4383 states, 3023 states have (on average 1.2692689381409197) internal successors, (3837), 3123 states have internal predecessors, (3837), 1113 states have call successors, (1113), 245 states have call predecessors, (1113), 244 states have return successors, (1113), 1064 states have call predecessors, (1113), 1109 states have call successors, (1113) [2022-12-13 17:32:52,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4383 states to 4383 states and 6063 transitions. [2022-12-13 17:32:52,724 INFO L78 Accepts]: Start accepts. Automaton has 4383 states and 6063 transitions. Word has length 89 [2022-12-13 17:32:52,724 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 17:32:52,724 INFO L495 AbstractCegarLoop]: Abstraction has 4383 states and 6063 transitions. [2022-12-13 17:32:52,724 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.25) internal successors, (29), 3 states have internal predecessors, (29), 3 states have call successors, (10), 3 states have call predecessors, (10), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2022-12-13 17:32:52,725 INFO L276 IsEmpty]: Start isEmpty. Operand 4383 states and 6063 transitions. [2022-12-13 17:32:52,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2022-12-13 17:32:52,727 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 17:32:52,728 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 6, 6, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 17:32:52,728 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-13 17:32:52,728 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-12-13 17:32:52,728 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 17:32:52,728 INFO L85 PathProgramCache]: Analyzing trace with hash -1175053830, now seen corresponding path program 1 times [2022-12-13 17:32:52,729 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 17:32:52,729 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [973488042] [2022-12-13 17:32:52,729 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 17:32:52,729 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 17:32:52,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:32:53,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-12-13 17:32:53,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:32:53,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:32:53,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:32:53,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-12-13 17:32:53,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:32:53,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:32:53,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:32:53,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-12-13 17:32:53,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:32:53,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:32:53,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:32:53,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-12-13 17:32:53,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:32:53,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:32:53,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:32:53,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-12-13 17:32:53,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:32:53,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:32:53,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:32:53,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-12-13 17:32:53,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:32:53,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:32:53,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:32:53,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-12-13 17:32:53,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:32:53,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2022-12-13 17:32:53,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:32:53,414 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 153 trivial. 0 not checked. [2022-12-13 17:32:53,414 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 17:32:53,414 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [973488042] [2022-12-13 17:32:53,414 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [973488042] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 17:32:53,414 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 17:32:53,414 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-13 17:32:53,414 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1571383055] [2022-12-13 17:32:53,414 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 17:32:53,415 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-13 17:32:53,415 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 17:32:53,416 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-13 17:32:53,416 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-13 17:32:53,416 INFO L87 Difference]: Start difference. First operand 4383 states and 6063 transitions. Second operand has 4 states, 4 states have (on average 8.0) internal successors, (32), 3 states have internal predecessors, (32), 3 states have call successors, (11), 3 states have call predecessors, (11), 1 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) [2022-12-13 17:32:58,425 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 17:32:58,425 INFO L93 Difference]: Finished difference Result 13288 states and 18504 transitions. [2022-12-13 17:32:58,425 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-13 17:32:58,426 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.0) internal successors, (32), 3 states have internal predecessors, (32), 3 states have call successors, (11), 3 states have call predecessors, (11), 1 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) Word has length 94 [2022-12-13 17:32:58,426 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 17:32:58,458 INFO L225 Difference]: With dead ends: 13288 [2022-12-13 17:32:58,458 INFO L226 Difference]: Without dead ends: 8922 [2022-12-13 17:32:58,471 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 30 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 17:32:58,472 INFO L413 NwaCegarLoop]: 2923 mSDtfsCounter, 4213 mSDsluCounter, 3461 mSDsCounter, 0 mSdLazyCounter, 3271 mSolverCounterSat, 1531 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4717 SdHoareTripleChecker+Valid, 6384 SdHoareTripleChecker+Invalid, 4802 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1531 IncrementalHoareTripleChecker+Valid, 3271 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.5s IncrementalHoareTripleChecker+Time [2022-12-13 17:32:58,473 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4717 Valid, 6384 Invalid, 4802 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1531 Valid, 3271 Invalid, 0 Unknown, 0 Unchecked, 4.5s Time] [2022-12-13 17:32:58,480 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8922 states. [2022-12-13 17:32:58,701 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8922 to 8570. [2022-12-13 17:32:58,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8570 states, 5911 states have (on average 1.2691591947217054) internal successors, (7502), 6103 states have internal predecessors, (7502), 2171 states have call successors, (2171), 486 states have call predecessors, (2171), 485 states have return successors, (2175), 2080 states have call predecessors, (2175), 2167 states have call successors, (2175) [2022-12-13 17:32:58,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8570 states to 8570 states and 11848 transitions. [2022-12-13 17:32:58,743 INFO L78 Accepts]: Start accepts. Automaton has 8570 states and 11848 transitions. Word has length 94 [2022-12-13 17:32:58,744 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 17:32:58,744 INFO L495 AbstractCegarLoop]: Abstraction has 8570 states and 11848 transitions. [2022-12-13 17:32:58,744 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.0) internal successors, (32), 3 states have internal predecessors, (32), 3 states have call successors, (11), 3 states have call predecessors, (11), 1 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) [2022-12-13 17:32:58,744 INFO L276 IsEmpty]: Start isEmpty. Operand 8570 states and 11848 transitions. [2022-12-13 17:32:58,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2022-12-13 17:32:58,746 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 17:32:58,746 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 6, 6, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 17:32:58,746 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-13 17:32:58,747 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 17:32:58,747 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 17:32:58,747 INFO L85 PathProgramCache]: Analyzing trace with hash -923504459, now seen corresponding path program 1 times [2022-12-13 17:32:58,747 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 17:32:58,747 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [614867057] [2022-12-13 17:32:58,747 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 17:32:58,747 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 17:32:58,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:32:59,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-12-13 17:32:59,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:32:59,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:32:59,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:32:59,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-12-13 17:32:59,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:32:59,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:32:59,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:32:59,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-12-13 17:32:59,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:32:59,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:32:59,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:32:59,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-12-13 17:32:59,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:32:59,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:32:59,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:32:59,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-12-13 17:32:59,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:32:59,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:32:59,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:32:59,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-12-13 17:32:59,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:32:59,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:32:59,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:32:59,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-12-13 17:32:59,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:32:59,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2022-12-13 17:32:59,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:32:59,237 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 153 trivial. 0 not checked. [2022-12-13 17:32:59,238 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 17:32:59,238 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [614867057] [2022-12-13 17:32:59,238 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [614867057] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 17:32:59,238 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 17:32:59,238 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-13 17:32:59,239 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1160882360] [2022-12-13 17:32:59,239 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 17:32:59,239 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-13 17:32:59,239 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 17:32:59,240 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-13 17:32:59,240 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-13 17:32:59,240 INFO L87 Difference]: Start difference. First operand 8570 states and 11848 transitions. 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, (11), 3 states have call predecessors, (11), 1 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) [2022-12-13 17:33:03,828 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 17:33:03,829 INFO L93 Difference]: Finished difference Result 25658 states and 35672 transitions. [2022-12-13 17:33:03,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-13 17:33:03,829 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, (11), 3 states have call predecessors, (11), 1 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) Word has length 99 [2022-12-13 17:33:03,830 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 17:33:03,938 INFO L225 Difference]: With dead ends: 25658 [2022-12-13 17:33:03,938 INFO L226 Difference]: Without dead ends: 17105 [2022-12-13 17:33:03,976 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 30 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 17:33:03,977 INFO L413 NwaCegarLoop]: 2897 mSDtfsCounter, 4052 mSDsluCounter, 3493 mSDsCounter, 0 mSdLazyCounter, 3224 mSolverCounterSat, 1557 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4531 SdHoareTripleChecker+Valid, 6390 SdHoareTripleChecker+Invalid, 4781 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1557 IncrementalHoareTripleChecker+Valid, 3224 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.1s IncrementalHoareTripleChecker+Time [2022-12-13 17:33:03,977 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4531 Valid, 6390 Invalid, 4781 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1557 Valid, 3224 Invalid, 0 Unknown, 0 Unchecked, 4.1s Time] [2022-12-13 17:33:04,000 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17105 states. [2022-12-13 17:33:04,532 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17105 to 16374. [2022-12-13 17:33:04,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16374 states, 11277 states have (on average 1.2682451006473352) internal successors, (14302), 11657 states have internal predecessors, (14302), 4147 states have call successors, (4147), 956 states have call predecessors, (4147), 947 states have return successors, (4155), 3948 states have call predecessors, (4155), 4143 states have call successors, (4155) [2022-12-13 17:33:04,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16374 states to 16374 states and 22604 transitions. [2022-12-13 17:33:04,611 INFO L78 Accepts]: Start accepts. Automaton has 16374 states and 22604 transitions. Word has length 99 [2022-12-13 17:33:04,611 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 17:33:04,611 INFO L495 AbstractCegarLoop]: Abstraction has 16374 states and 22604 transitions. [2022-12-13 17:33:04,612 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, (11), 3 states have call predecessors, (11), 1 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) [2022-12-13 17:33:04,612 INFO L276 IsEmpty]: Start isEmpty. Operand 16374 states and 22604 transitions. [2022-12-13 17:33:04,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2022-12-13 17:33:04,619 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 17:33:04,619 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 6, 6, 6, 6, 6, 6, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 17:33:04,619 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-12-13 17:33:04,619 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-12-13 17:33:04,620 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 17:33:04,620 INFO L85 PathProgramCache]: Analyzing trace with hash 421581452, now seen corresponding path program 1 times [2022-12-13 17:33:04,620 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 17:33:04,620 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [831293777] [2022-12-13 17:33:04,620 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 17:33:04,620 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 17:33:04,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:33:05,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-12-13 17:33:05,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:33:05,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:33:05,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:33:05,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-12-13 17:33:05,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:33:05,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:33:05,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:33:05,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-12-13 17:33:05,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:33:05,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:33:05,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:33:05,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-12-13 17:33:05,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:33:05,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:33:05,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:33:05,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-12-13 17:33:05,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:33:05,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:33:05,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:33:05,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-12-13 17:33:05,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:33:05,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:33:05,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:33:05,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-12-13 17:33:05,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:33:05,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2022-12-13 17:33:05,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:33:05,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2022-12-13 17:33:05,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:33:05,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-12-13 17:33:05,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:33:05,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-12-13 17:33:05,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:33:05,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:33:05,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:33:05,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2022-12-13 17:33:05,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:33:05,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2022-12-13 17:33:05,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:33:05,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2022-12-13 17:33:05,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:33:05,405 INFO L134 CoverageAnalysis]: Checked inductivity of 259 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 249 trivial. 0 not checked. [2022-12-13 17:33:05,406 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 17:33:05,406 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [831293777] [2022-12-13 17:33:05,406 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [831293777] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 17:33:05,406 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 17:33:05,406 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-13 17:33:05,407 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1502142654] [2022-12-13 17:33:05,407 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 17:33:05,407 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-13 17:33:05,407 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 17:33:05,408 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-13 17:33:05,408 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-13 17:33:05,408 INFO L87 Difference]: Start difference. First operand 16374 states and 22604 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, (18), 3 states have call predecessors, (18), 1 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) [2022-12-13 17:33:10,275 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 17:33:10,276 INFO L93 Difference]: Finished difference Result 33820 states and 47007 transitions. [2022-12-13 17:33:10,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-13 17:33:10,276 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, (18), 3 states have call predecessors, (18), 1 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) Word has length 166 [2022-12-13 17:33:10,277 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 17:33:10,380 INFO L225 Difference]: With dead ends: 33820 [2022-12-13 17:33:10,380 INFO L226 Difference]: Without dead ends: 25427 [2022-12-13 17:33:10,422 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 44 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 17:33:10,423 INFO L413 NwaCegarLoop]: 4764 mSDtfsCounter, 3456 mSDsluCounter, 4728 mSDsCounter, 0 mSdLazyCounter, 4105 mSolverCounterSat, 944 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3956 SdHoareTripleChecker+Valid, 9492 SdHoareTripleChecker+Invalid, 5049 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 944 IncrementalHoareTripleChecker+Valid, 4105 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.2s IncrementalHoareTripleChecker+Time [2022-12-13 17:33:10,423 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3956 Valid, 9492 Invalid, 5049 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [944 Valid, 4105 Invalid, 0 Unknown, 0 Unchecked, 4.2s Time] [2022-12-13 17:33:10,442 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25427 states. [2022-12-13 17:33:11,266 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25427 to 24382. [2022-12-13 17:33:11,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24382 states, 16785 states have (on average 1.268156091748585) internal successors, (21286), 17348 states have internal predecessors, (21286), 6176 states have call successors, (6176), 1431 states have call predecessors, (6176), 1418 states have return successors, (6190), 5884 states have call predecessors, (6190), 6172 states have call successors, (6190) [2022-12-13 17:33:11,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24382 states to 24382 states and 33652 transitions. [2022-12-13 17:33:11,406 INFO L78 Accepts]: Start accepts. Automaton has 24382 states and 33652 transitions. Word has length 166 [2022-12-13 17:33:11,406 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 17:33:11,406 INFO L495 AbstractCegarLoop]: Abstraction has 24382 states and 33652 transitions. [2022-12-13 17:33:11,407 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, (18), 3 states have call predecessors, (18), 1 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) [2022-12-13 17:33:11,407 INFO L276 IsEmpty]: Start isEmpty. Operand 24382 states and 33652 transitions. [2022-12-13 17:33:11,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2022-12-13 17:33:11,416 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 17:33:11,417 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 6, 6, 6, 6, 6, 6, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 17:33:11,417 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-12-13 17:33:11,417 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-12-13 17:33:11,417 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 17:33:11,417 INFO L85 PathProgramCache]: Analyzing trace with hash 562130062, now seen corresponding path program 1 times [2022-12-13 17:33:11,418 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 17:33:11,418 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [829101158] [2022-12-13 17:33:11,418 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 17:33:11,418 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 17:33:11,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:33:12,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-12-13 17:33:12,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:33:12,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:33:12,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:33:12,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-12-13 17:33:12,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:33:12,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:33:12,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:33:12,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-12-13 17:33:12,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:33:12,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:33:12,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:33:12,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-12-13 17:33:12,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:33:12,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:33:12,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:33:12,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-12-13 17:33:12,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:33:12,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:33:12,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:33:12,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-12-13 17:33:12,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:33:12,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:33:12,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:33:12,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-12-13 17:33:12,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:33:12,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2022-12-13 17:33:12,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:33:12,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2022-12-13 17:33:12,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:33:12,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-12-13 17:33:12,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:33:12,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-12-13 17:33:12,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:33:12,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:33:12,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:33:12,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2022-12-13 17:33:12,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:33:12,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2022-12-13 17:33:12,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:33:12,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2022-12-13 17:33:12,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:33:12,774 INFO L134 CoverageAnalysis]: Checked inductivity of 259 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 259 trivial. 0 not checked. [2022-12-13 17:33:12,774 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 17:33:12,775 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [829101158] [2022-12-13 17:33:12,775 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [829101158] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 17:33:12,775 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 17:33:12,775 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-12-13 17:33:12,775 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [357433636] [2022-12-13 17:33:12,775 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 17:33:12,775 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-13 17:33:12,775 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 17:33:12,776 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 17:33:12,776 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-12-13 17:33:12,776 INFO L87 Difference]: Start difference. First operand 24382 states and 33652 transitions. Second operand has 6 states, 6 states have (on average 11.166666666666666) internal successors, (67), 4 states have internal predecessors, (67), 2 states have call successors, (17), 4 states have call predecessors, (17), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2022-12-13 17:33:16,697 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 17:33:16,697 INFO L93 Difference]: Finished difference Result 25429 states and 35421 transitions. [2022-12-13 17:33:16,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-13 17:33:16,697 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.166666666666666) internal successors, (67), 4 states have internal predecessors, (67), 2 states have call successors, (17), 4 states have call predecessors, (17), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 166 [2022-12-13 17:33:16,698 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 17:33:16,783 INFO L225 Difference]: With dead ends: 25429 [2022-12-13 17:33:16,783 INFO L226 Difference]: Without dead ends: 25427 [2022-12-13 17:33:16,790 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2022-12-13 17:33:16,791 INFO L413 NwaCegarLoop]: 2439 mSDtfsCounter, 3454 mSDsluCounter, 5538 mSDsCounter, 0 mSdLazyCounter, 3952 mSolverCounterSat, 1059 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3832 SdHoareTripleChecker+Valid, 7977 SdHoareTripleChecker+Invalid, 5011 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1059 IncrementalHoareTripleChecker+Valid, 3952 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.1s IncrementalHoareTripleChecker+Time [2022-12-13 17:33:16,791 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3832 Valid, 7977 Invalid, 5011 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1059 Valid, 3952 Invalid, 0 Unknown, 0 Unchecked, 3.1s Time] [2022-12-13 17:33:16,804 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25427 states. [2022-12-13 17:33:17,464 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25427 to 24386. [2022-12-13 17:33:17,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24386 states, 16788 states have (on average 1.2681081725041696) internal successors, (21289), 17351 states have internal predecessors, (21289), 6176 states have call successors, (6176), 1432 states have call predecessors, (6176), 1419 states have return successors, (6190), 5884 states have call predecessors, (6190), 6172 states have call successors, (6190) [2022-12-13 17:33:17,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24386 states to 24386 states and 33655 transitions. [2022-12-13 17:33:17,581 INFO L78 Accepts]: Start accepts. Automaton has 24386 states and 33655 transitions. Word has length 166 [2022-12-13 17:33:17,581 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 17:33:17,581 INFO L495 AbstractCegarLoop]: Abstraction has 24386 states and 33655 transitions. [2022-12-13 17:33:17,581 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.166666666666666) internal successors, (67), 4 states have internal predecessors, (67), 2 states have call successors, (17), 4 states have call predecessors, (17), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2022-12-13 17:33:17,582 INFO L276 IsEmpty]: Start isEmpty. Operand 24386 states and 33655 transitions. [2022-12-13 17:33:17,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2022-12-13 17:33:17,588 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 17:33:17,588 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 6, 6, 6, 6, 6, 6, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 17:33:17,588 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-12-13 17:33:17,588 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-12-13 17:33:17,589 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 17:33:17,589 INFO L85 PathProgramCache]: Analyzing trace with hash -117142803, now seen corresponding path program 1 times [2022-12-13 17:33:17,589 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 17:33:17,589 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1963506082] [2022-12-13 17:33:17,589 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 17:33:17,589 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 17:33:17,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:33:18,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-12-13 17:33:18,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:33:18,715 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:33:18,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:33:18,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-12-13 17:33:18,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:33:18,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:33:18,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:33:18,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-12-13 17:33:18,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:33:18,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:33:18,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:33:18,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-12-13 17:33:18,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:33:18,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:33:18,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:33:18,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-12-13 17:33:18,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:33:18,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:33:18,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:33:18,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-12-13 17:33:18,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:33:18,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:33:18,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:33:18,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-12-13 17:33:18,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:33:18,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2022-12-13 17:33:18,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:33:18,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2022-12-13 17:33:18,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:33:18,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-12-13 17:33:18,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:33:18,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-12-13 17:33:18,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:33:18,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:33:18,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:33:18,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2022-12-13 17:33:18,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:33:18,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2022-12-13 17:33:18,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:33:18,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2022-12-13 17:33:18,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:33:18,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-12-13 17:33:18,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:33:18,942 INFO L134 CoverageAnalysis]: Checked inductivity of 261 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 259 trivial. 0 not checked. [2022-12-13 17:33:18,942 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 17:33:18,942 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1963506082] [2022-12-13 17:33:18,943 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1963506082] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 17:33:18,943 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 17:33:18,943 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-12-13 17:33:18,943 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1674534359] [2022-12-13 17:33:18,943 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 17:33:18,944 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-13 17:33:18,944 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 17:33:18,944 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 17:33:18,944 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-12-13 17:33:18,944 INFO L87 Difference]: Start difference. First operand 24386 states and 33655 transitions. Second operand has 6 states, 6 states have (on average 11.666666666666666) internal successors, (70), 4 states have internal predecessors, (70), 2 states have call successors, (18), 4 states have call predecessors, (18), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2022-12-13 17:33:23,149 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 17:33:23,149 INFO L93 Difference]: Finished difference Result 25433 states and 35424 transitions. [2022-12-13 17:33:23,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-13 17:33:23,149 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.666666666666666) internal successors, (70), 4 states have internal predecessors, (70), 2 states have call successors, (18), 4 states have call predecessors, (18), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 171 [2022-12-13 17:33:23,150 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 17:33:23,218 INFO L225 Difference]: With dead ends: 25433 [2022-12-13 17:33:23,218 INFO L226 Difference]: Without dead ends: 25431 [2022-12-13 17:33:23,233 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 45 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 17:33:23,234 INFO L413 NwaCegarLoop]: 2439 mSDtfsCounter, 3444 mSDsluCounter, 5537 mSDsCounter, 0 mSdLazyCounter, 3958 mSolverCounterSat, 1059 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3823 SdHoareTripleChecker+Valid, 7976 SdHoareTripleChecker+Invalid, 5017 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1059 IncrementalHoareTripleChecker+Valid, 3958 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.3s IncrementalHoareTripleChecker+Time [2022-12-13 17:33:23,234 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3823 Valid, 7976 Invalid, 5017 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1059 Valid, 3958 Invalid, 0 Unknown, 0 Unchecked, 3.3s Time] [2022-12-13 17:33:23,251 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25431 states. [2022-12-13 17:33:24,105 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25431 to 24390. [2022-12-13 17:33:24,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24390 states, 16791 states have (on average 1.2680602703829433) internal successors, (21292), 17354 states have internal predecessors, (21292), 6176 states have call successors, (6176), 1433 states have call predecessors, (6176), 1420 states have return successors, (6190), 5884 states have call predecessors, (6190), 6172 states have call successors, (6190) [2022-12-13 17:33:24,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24390 states to 24390 states and 33658 transitions. [2022-12-13 17:33:24,193 INFO L78 Accepts]: Start accepts. Automaton has 24390 states and 33658 transitions. Word has length 171 [2022-12-13 17:33:24,194 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 17:33:24,194 INFO L495 AbstractCegarLoop]: Abstraction has 24390 states and 33658 transitions. [2022-12-13 17:33:24,194 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.666666666666666) internal successors, (70), 4 states have internal predecessors, (70), 2 states have call successors, (18), 4 states have call predecessors, (18), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2022-12-13 17:33:24,194 INFO L276 IsEmpty]: Start isEmpty. Operand 24390 states and 33658 transitions. [2022-12-13 17:33:24,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2022-12-13 17:33:24,199 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 17:33:24,199 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 6, 6, 6, 6, 6, 6, 4, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 17:33:24,199 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-12-13 17:33:24,199 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 17:33:24,199 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 17:33:24,199 INFO L85 PathProgramCache]: Analyzing trace with hash 788375470, now seen corresponding path program 1 times [2022-12-13 17:33:24,199 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 17:33:24,199 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [589256629] [2022-12-13 17:33:24,200 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 17:33:24,200 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 17:33:24,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:33:24,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-12-13 17:33:24,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:33:24,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:33:24,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:33:24,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-12-13 17:33:24,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:33:25,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:33:25,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:33:25,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-12-13 17:33:25,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:33:25,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:33:25,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:33:25,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-12-13 17:33:25,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:33:25,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:33:25,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:33:25,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-12-13 17:33:25,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:33:25,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:33:25,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:33:25,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-12-13 17:33:25,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:33:25,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:33:25,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:33:25,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-12-13 17:33:25,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:33:25,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2022-12-13 17:33:25,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:33:25,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2022-12-13 17:33:25,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:33:25,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-12-13 17:33:25,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:33:25,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-12-13 17:33:25,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:33:25,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:33:25,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:33:25,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2022-12-13 17:33:25,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:33:25,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2022-12-13 17:33:25,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:33:25,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2022-12-13 17:33:25,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:33:25,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-12-13 17:33:25,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:33:25,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2022-12-13 17:33:25,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:33:25,224 INFO L134 CoverageAnalysis]: Checked inductivity of 267 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 263 trivial. 0 not checked. [2022-12-13 17:33:25,224 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 17:33:25,224 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [589256629] [2022-12-13 17:33:25,225 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [589256629] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 17:33:25,225 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 17:33:25,225 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-12-13 17:33:25,225 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [780574573] [2022-12-13 17:33:25,225 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 17:33:25,225 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-13 17:33:25,225 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 17:33:25,225 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 17:33:25,226 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-12-13 17:33:25,226 INFO L87 Difference]: Start difference. First operand 24390 states and 33658 transitions. Second operand has 6 states, 6 states have (on average 11.666666666666666) internal successors, (70), 4 states have internal predecessors, (70), 2 states have call successors, (19), 4 states have call predecessors, (19), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2022-12-13 17:33:29,409 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 17:33:29,409 INFO L93 Difference]: Finished difference Result 25437 states and 35427 transitions. [2022-12-13 17:33:29,410 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-13 17:33:29,410 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.666666666666666) internal successors, (70), 4 states have internal predecessors, (70), 2 states have call successors, (19), 4 states have call predecessors, (19), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 176 [2022-12-13 17:33:29,411 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 17:33:29,495 INFO L225 Difference]: With dead ends: 25437 [2022-12-13 17:33:29,495 INFO L226 Difference]: Without dead ends: 25435 [2022-12-13 17:33:29,507 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 47 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 17:33:29,507 INFO L413 NwaCegarLoop]: 2439 mSDtfsCounter, 3444 mSDsluCounter, 5536 mSDsCounter, 0 mSdLazyCounter, 3958 mSolverCounterSat, 1056 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3824 SdHoareTripleChecker+Valid, 7975 SdHoareTripleChecker+Invalid, 5014 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1056 IncrementalHoareTripleChecker+Valid, 3958 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.1s IncrementalHoareTripleChecker+Time [2022-12-13 17:33:29,508 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3824 Valid, 7975 Invalid, 5014 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1056 Valid, 3958 Invalid, 0 Unknown, 0 Unchecked, 3.1s Time] [2022-12-13 17:33:29,528 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25435 states. [2022-12-13 17:33:30,304 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25435 to 24394. [2022-12-13 17:33:30,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24394 states, 16794 states have (on average 1.2680123853757295) internal successors, (21295), 17357 states have internal predecessors, (21295), 6176 states have call successors, (6176), 1434 states have call predecessors, (6176), 1421 states have return successors, (6190), 5884 states have call predecessors, (6190), 6172 states have call successors, (6190) [2022-12-13 17:33:30,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24394 states to 24394 states and 33661 transitions. [2022-12-13 17:33:30,391 INFO L78 Accepts]: Start accepts. Automaton has 24394 states and 33661 transitions. Word has length 176 [2022-12-13 17:33:30,391 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 17:33:30,391 INFO L495 AbstractCegarLoop]: Abstraction has 24394 states and 33661 transitions. [2022-12-13 17:33:30,391 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.666666666666666) internal successors, (70), 4 states have internal predecessors, (70), 2 states have call successors, (19), 4 states have call predecessors, (19), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2022-12-13 17:33:30,391 INFO L276 IsEmpty]: Start isEmpty. Operand 24394 states and 33661 transitions. [2022-12-13 17:33:30,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2022-12-13 17:33:30,396 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 17:33:30,397 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 6, 6, 6, 6, 6, 6, 5, 5, 5, 4, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 17:33:30,397 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-12-13 17:33:30,397 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 17:33:30,397 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 17:33:30,397 INFO L85 PathProgramCache]: Analyzing trace with hash 629892396, now seen corresponding path program 1 times [2022-12-13 17:33:30,397 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 17:33:30,397 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1799930912] [2022-12-13 17:33:30,398 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 17:33:30,398 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 17:33:30,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:33:30,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-12-13 17:33:30,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:33:30,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:33:30,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:33:30,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-12-13 17:33:30,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:33:30,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:33:30,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:33:30,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-12-13 17:33:30,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:33:30,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:33:30,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:33:30,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-12-13 17:33:30,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:33:30,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:33:30,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:33:30,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-12-13 17:33:30,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:33:30,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:33:30,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:33:30,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-12-13 17:33:30,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:33:30,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:33:30,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:33:30,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-12-13 17:33:30,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:33:30,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2022-12-13 17:33:30,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:33:30,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2022-12-13 17:33:30,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:33:30,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-12-13 17:33:30,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:33:30,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-12-13 17:33:30,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:33:30,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:33:30,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:33:30,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2022-12-13 17:33:30,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:33:30,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2022-12-13 17:33:30,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:33:30,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2022-12-13 17:33:30,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:33:30,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2022-12-13 17:33:30,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:33:30,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 17:33:30,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:33:30,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2022-12-13 17:33:30,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:33:30,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2022-12-13 17:33:30,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:33:30,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2022-12-13 17:33:30,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:33:30,943 INFO L134 CoverageAnalysis]: Checked inductivity of 288 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 277 trivial. 0 not checked. [2022-12-13 17:33:30,943 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 17:33:30,943 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1799930912] [2022-12-13 17:33:30,943 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1799930912] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 17:33:30,943 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 17:33:30,943 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-13 17:33:30,943 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1994293725] [2022-12-13 17:33:30,943 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 17:33:30,944 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-13 17:33:30,944 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 17:33:30,944 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-13 17:33:30,944 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-13 17:33:30,944 INFO L87 Difference]: Start difference. First operand 24394 states and 33661 transitions. Second operand has 5 states, 5 states have (on average 16.4) internal successors, (82), 3 states have internal predecessors, (82), 3 states have call successors, (23), 4 states have call predecessors, (23), 1 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) [2022-12-13 17:33:43,115 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 17:33:43,115 INFO L93 Difference]: Finished difference Result 50241 states and 69752 transitions. [2022-12-13 17:33:43,116 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-12-13 17:33:43,116 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 16.4) internal successors, (82), 3 states have internal predecessors, (82), 3 states have call successors, (23), 4 states have call predecessors, (23), 1 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) Word has length 192 [2022-12-13 17:33:43,116 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 17:33:43,226 INFO L225 Difference]: With dead ends: 50241 [2022-12-13 17:33:43,226 INFO L226 Difference]: Without dead ends: 33828 [2022-12-13 17:33:43,263 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-12-13 17:33:43,264 INFO L413 NwaCegarLoop]: 2480 mSDtfsCounter, 4590 mSDsluCounter, 3881 mSDsCounter, 0 mSdLazyCounter, 9270 mSolverCounterSat, 2674 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5076 SdHoareTripleChecker+Valid, 6361 SdHoareTripleChecker+Invalid, 11944 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2674 IncrementalHoareTripleChecker+Valid, 9270 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.1s IncrementalHoareTripleChecker+Time [2022-12-13 17:33:43,264 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5076 Valid, 6361 Invalid, 11944 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2674 Valid, 9270 Invalid, 0 Unknown, 0 Unchecked, 10.1s Time] [2022-12-13 17:33:43,282 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33828 states. [2022-12-13 17:33:44,716 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33828 to 32406. [2022-12-13 17:33:44,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32406 states, 22306 states have (on average 1.2679548103649243) internal successors, (28283), 23052 states have internal predecessors, (28283), 8205 states have call successors, (8205), 1909 states have call predecessors, (8205), 1892 states have return successors, (8225), 7820 states have call predecessors, (8225), 8201 states have call successors, (8225) [2022-12-13 17:33:44,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32406 states to 32406 states and 44713 transitions. [2022-12-13 17:33:44,833 INFO L78 Accepts]: Start accepts. Automaton has 32406 states and 44713 transitions. Word has length 192 [2022-12-13 17:33:44,833 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 17:33:44,833 INFO L495 AbstractCegarLoop]: Abstraction has 32406 states and 44713 transitions. [2022-12-13 17:33:44,833 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 16.4) internal successors, (82), 3 states have internal predecessors, (82), 3 states have call successors, (23), 4 states have call predecessors, (23), 1 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) [2022-12-13 17:33:44,833 INFO L276 IsEmpty]: Start isEmpty. Operand 32406 states and 44713 transitions. [2022-12-13 17:33:44,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2022-12-13 17:33:44,838 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 17:33:44,838 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 6, 6, 6, 6, 6, 6, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 17:33:44,838 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-12-13 17:33:44,838 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-12-13 17:33:44,839 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 17:33:44,839 INFO L85 PathProgramCache]: Analyzing trace with hash -573934771, now seen corresponding path program 1 times [2022-12-13 17:33:44,839 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 17:33:44,839 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1924619737] [2022-12-13 17:33:44,839 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 17:33:44,839 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 17:33:44,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:33:45,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-12-13 17:33:45,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:33:45,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:33:45,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:33:45,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-12-13 17:33:45,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:33:45,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:33:45,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:33:45,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-12-13 17:33:45,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:33:45,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:33:45,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:33:45,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-12-13 17:33:45,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:33:45,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:33:45,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:33:45,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-12-13 17:33:45,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:33:45,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:33:45,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:33:45,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-12-13 17:33:45,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:33:45,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:33:45,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:33:45,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-12-13 17:33:45,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:33:45,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2022-12-13 17:33:45,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:33:45,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2022-12-13 17:33:45,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:33:45,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-12-13 17:33:45,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:33:45,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-12-13 17:33:45,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:33:45,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:33:45,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:33:45,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2022-12-13 17:33:45,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:33:45,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2022-12-13 17:33:45,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:33:45,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2022-12-13 17:33:45,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:33:45,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-12-13 17:33:45,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:33:45,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2022-12-13 17:33:45,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:33:45,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2022-12-13 17:33:45,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:33:45,702 INFO L134 CoverageAnalysis]: Checked inductivity of 277 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 271 trivial. 0 not checked. [2022-12-13 17:33:45,702 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 17:33:45,702 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1924619737] [2022-12-13 17:33:45,702 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1924619737] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 17:33:45,703 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 17:33:45,703 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-12-13 17:33:45,703 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [390290522] [2022-12-13 17:33:45,703 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 17:33:45,703 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-13 17:33:45,703 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 17:33:45,704 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 17:33:45,704 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-12-13 17:33:45,704 INFO L87 Difference]: Start difference. First operand 32406 states and 44713 transitions. Second operand has 6 states, 6 states have (on average 11.666666666666666) internal successors, (70), 4 states have internal predecessors, (70), 2 states have call successors, (20), 4 states have call predecessors, (20), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2022-12-13 17:33:51,235 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 17:33:51,235 INFO L93 Difference]: Finished difference Result 33800 states and 47068 transitions. [2022-12-13 17:33:51,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-13 17:33:51,236 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.666666666666666) internal successors, (70), 4 states have internal predecessors, (70), 2 states have call successors, (20), 4 states have call predecessors, (20), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 181 [2022-12-13 17:33:51,236 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 17:33:51,316 INFO L225 Difference]: With dead ends: 33800 [2022-12-13 17:33:51,316 INFO L226 Difference]: Without dead ends: 33798 [2022-12-13 17:33:51,327 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 49 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 17:33:51,328 INFO L413 NwaCegarLoop]: 2442 mSDtfsCounter, 3443 mSDsluCounter, 5545 mSDsCounter, 0 mSdLazyCounter, 3958 mSolverCounterSat, 1057 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3820 SdHoareTripleChecker+Valid, 7987 SdHoareTripleChecker+Invalid, 5015 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1057 IncrementalHoareTripleChecker+Valid, 3958 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.6s IncrementalHoareTripleChecker+Time [2022-12-13 17:33:51,328 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3820 Valid, 7987 Invalid, 5015 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1057 Valid, 3958 Invalid, 0 Unknown, 0 Unchecked, 3.6s Time] [2022-12-13 17:33:51,350 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33798 states. [2022-12-13 17:33:52,908 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33798 to 32410. [2022-12-13 17:33:52,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32410 states, 22309 states have (on average 1.267918777175131) internal successors, (28286), 23055 states have internal predecessors, (28286), 8205 states have call successors, (8205), 1910 states have call predecessors, (8205), 1893 states have return successors, (8225), 7820 states have call predecessors, (8225), 8201 states have call successors, (8225) [2022-12-13 17:33:53,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32410 states to 32410 states and 44716 transitions. [2022-12-13 17:33:53,023 INFO L78 Accepts]: Start accepts. Automaton has 32410 states and 44716 transitions. Word has length 181 [2022-12-13 17:33:53,024 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 17:33:53,024 INFO L495 AbstractCegarLoop]: Abstraction has 32410 states and 44716 transitions. [2022-12-13 17:33:53,024 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.666666666666666) internal successors, (70), 4 states have internal predecessors, (70), 2 states have call successors, (20), 4 states have call predecessors, (20), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2022-12-13 17:33:53,024 INFO L276 IsEmpty]: Start isEmpty. Operand 32410 states and 44716 transitions. [2022-12-13 17:33:53,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2022-12-13 17:33:53,028 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 17:33:53,029 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 6, 6, 6, 6, 6, 6, 5, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 17:33:53,029 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-12-13 17:33:53,029 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 17:33:53,029 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 17:33:53,029 INFO L85 PathProgramCache]: Analyzing trace with hash 95693518, now seen corresponding path program 1 times [2022-12-13 17:33:53,029 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 17:33:53,029 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1975474809] [2022-12-13 17:33:53,029 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 17:33:53,030 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 17:33:53,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:33:53,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-12-13 17:33:53,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:33:53,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:33:53,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:33:53,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-12-13 17:33:53,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:33:53,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:33:53,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:33:53,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-12-13 17:33:53,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:33:53,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:33:53,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:33:53,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-12-13 17:33:53,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:33:53,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:33:53,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:33:53,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-12-13 17:33:53,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:33:53,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:33:53,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:33:53,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-12-13 17:33:53,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:33:53,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:33:53,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:33:53,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-12-13 17:33:53,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:33:53,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2022-12-13 17:33:53,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:33:53,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2022-12-13 17:33:53,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:33:53,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-12-13 17:33:53,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:33:53,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-12-13 17:33:53,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:33:53,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:33:53,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:33:53,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2022-12-13 17:33:53,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:33:53,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2022-12-13 17:33:53,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:33:53,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2022-12-13 17:33:53,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:33:53,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-12-13 17:33:53,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:33:53,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2022-12-13 17:33:53,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:33:53,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2022-12-13 17:33:53,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:33:53,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2022-12-13 17:33:53,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:33:53,854 INFO L134 CoverageAnalysis]: Checked inductivity of 291 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 283 trivial. 0 not checked. [2022-12-13 17:33:53,854 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 17:33:53,854 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1975474809] [2022-12-13 17:33:53,855 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1975474809] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 17:33:53,855 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 17:33:53,855 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-12-13 17:33:53,855 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1661945652] [2022-12-13 17:33:53,855 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 17:33:53,855 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-13 17:33:53,855 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 17:33:53,856 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 17:33:53,856 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-12-13 17:33:53,856 INFO L87 Difference]: Start difference. First operand 32410 states and 44716 transitions. Second operand has 6 states, 6 states have (on average 11.666666666666666) internal successors, (70), 4 states have internal predecessors, (70), 2 states have call successors, (21), 4 states have call predecessors, (21), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2022-12-13 17:33:59,456 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 17:33:59,456 INFO L93 Difference]: Finished difference Result 33804 states and 47071 transitions. [2022-12-13 17:33:59,457 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-13 17:33:59,457 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.666666666666666) internal successors, (70), 4 states have internal predecessors, (70), 2 states have call successors, (21), 4 states have call predecessors, (21), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 186 [2022-12-13 17:33:59,457 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 17:33:59,534 INFO L225 Difference]: With dead ends: 33804 [2022-12-13 17:33:59,534 INFO L226 Difference]: Without dead ends: 33802 [2022-12-13 17:33:59,545 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 51 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 17:33:59,545 INFO L413 NwaCegarLoop]: 2439 mSDtfsCounter, 3445 mSDsluCounter, 5537 mSDsCounter, 0 mSdLazyCounter, 3958 mSolverCounterSat, 1054 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3824 SdHoareTripleChecker+Valid, 7976 SdHoareTripleChecker+Invalid, 5012 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1054 IncrementalHoareTripleChecker+Valid, 3958 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.3s IncrementalHoareTripleChecker+Time [2022-12-13 17:33:59,546 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3824 Valid, 7976 Invalid, 5012 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1054 Valid, 3958 Invalid, 0 Unknown, 0 Unchecked, 3.3s Time] [2022-12-13 17:33:59,567 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33802 states. [2022-12-13 17:34:01,388 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33802 to 32414. [2022-12-13 17:34:01,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32414 states, 22312 states have (on average 1.2678827536751525) internal successors, (28289), 23058 states have internal predecessors, (28289), 8205 states have call successors, (8205), 1911 states have call predecessors, (8205), 1894 states have return successors, (8225), 7820 states have call predecessors, (8225), 8201 states have call successors, (8225) [2022-12-13 17:34:01,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32414 states to 32414 states and 44719 transitions. [2022-12-13 17:34:01,498 INFO L78 Accepts]: Start accepts. Automaton has 32414 states and 44719 transitions. Word has length 186 [2022-12-13 17:34:01,498 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 17:34:01,498 INFO L495 AbstractCegarLoop]: Abstraction has 32414 states and 44719 transitions. [2022-12-13 17:34:01,498 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.666666666666666) internal successors, (70), 4 states have internal predecessors, (70), 2 states have call successors, (21), 4 states have call predecessors, (21), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2022-12-13 17:34:01,498 INFO L276 IsEmpty]: Start isEmpty. Operand 32414 states and 44719 transitions. [2022-12-13 17:34:01,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2022-12-13 17:34:01,503 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 17:34:01,503 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 6, 6, 6, 6, 6, 6, 6, 5, 5, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 17:34:01,504 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-12-13 17:34:01,504 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 17:34:01,504 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 17:34:01,504 INFO L85 PathProgramCache]: Analyzing trace with hash -1971121235, now seen corresponding path program 1 times [2022-12-13 17:34:01,504 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 17:34:01,504 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1182200141] [2022-12-13 17:34:01,504 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 17:34:01,504 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 17:34:01,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:34:02,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-12-13 17:34:02,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:34:02,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:34:02,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:34:02,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-12-13 17:34:02,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:34:02,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:34:02,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:34:02,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-12-13 17:34:02,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:34:02,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:34:02,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:34:02,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-12-13 17:34:02,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:34:02,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:34:02,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:34:02,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-12-13 17:34:02,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:34:02,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:34:02,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:34:02,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-12-13 17:34:02,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:34:02,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:34:02,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:34:02,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-12-13 17:34:02,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:34:02,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2022-12-13 17:34:02,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:34:02,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2022-12-13 17:34:02,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:34:02,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-12-13 17:34:02,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:34:02,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-12-13 17:34:02,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:34:02,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:34:02,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:34:02,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2022-12-13 17:34:02,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:34:02,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2022-12-13 17:34:02,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:34:02,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2022-12-13 17:34:02,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:34:02,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-12-13 17:34:02,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:34:02,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2022-12-13 17:34:02,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:34:02,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2022-12-13 17:34:02,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:34:02,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2022-12-13 17:34:02,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:34:02,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2022-12-13 17:34:02,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:34:02,298 INFO L134 CoverageAnalysis]: Checked inductivity of 309 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 299 trivial. 0 not checked. [2022-12-13 17:34:02,298 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 17:34:02,298 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1182200141] [2022-12-13 17:34:02,298 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1182200141] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 17:34:02,298 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 17:34:02,299 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-12-13 17:34:02,299 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [100004373] [2022-12-13 17:34:02,299 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 17:34:02,299 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-13 17:34:02,299 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 17:34:02,299 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 17:34:02,299 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-12-13 17:34:02,299 INFO L87 Difference]: Start difference. First operand 32414 states and 44719 transitions. Second operand has 6 states, 6 states have (on average 11.666666666666666) internal successors, (70), 4 states have internal predecessors, (70), 2 states have call successors, (22), 4 states have call predecessors, (22), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2022-12-13 17:34:08,383 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 17:34:08,383 INFO L93 Difference]: Finished difference Result 33808 states and 47074 transitions. [2022-12-13 17:34:08,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-13 17:34:08,383 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.666666666666666) internal successors, (70), 4 states have internal predecessors, (70), 2 states have call successors, (22), 4 states have call predecessors, (22), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 191 [2022-12-13 17:34:08,384 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 17:34:08,468 INFO L225 Difference]: With dead ends: 33808 [2022-12-13 17:34:08,468 INFO L226 Difference]: Without dead ends: 33806 [2022-12-13 17:34:08,481 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 53 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 17:34:08,481 INFO L413 NwaCegarLoop]: 2439 mSDtfsCounter, 3445 mSDsluCounter, 5536 mSDsCounter, 0 mSdLazyCounter, 3958 mSolverCounterSat, 1051 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3825 SdHoareTripleChecker+Valid, 7975 SdHoareTripleChecker+Invalid, 5009 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1051 IncrementalHoareTripleChecker+Valid, 3958 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.6s IncrementalHoareTripleChecker+Time [2022-12-13 17:34:08,481 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3825 Valid, 7975 Invalid, 5009 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1051 Valid, 3958 Invalid, 0 Unknown, 0 Unchecked, 3.6s Time] [2022-12-13 17:34:08,503 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33806 states. [2022-12-13 17:34:10,992 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33806 to 32418. [2022-12-13 17:34:11,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32418 states, 22315 states have (on average 1.26784673986108) internal successors, (28292), 23061 states have internal predecessors, (28292), 8205 states have call successors, (8205), 1912 states have call predecessors, (8205), 1895 states have return successors, (8225), 7820 states have call predecessors, (8225), 8201 states have call successors, (8225) [2022-12-13 17:34:11,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32418 states to 32418 states and 44722 transitions. [2022-12-13 17:34:11,146 INFO L78 Accepts]: Start accepts. Automaton has 32418 states and 44722 transitions. Word has length 191 [2022-12-13 17:34:11,147 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 17:34:11,147 INFO L495 AbstractCegarLoop]: Abstraction has 32418 states and 44722 transitions. [2022-12-13 17:34:11,147 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.666666666666666) internal successors, (70), 4 states have internal predecessors, (70), 2 states have call successors, (22), 4 states have call predecessors, (22), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2022-12-13 17:34:11,147 INFO L276 IsEmpty]: Start isEmpty. Operand 32418 states and 44722 transitions. [2022-12-13 17:34:11,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2022-12-13 17:34:11,158 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 17:34:11,159 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 7, 6, 6, 6, 6, 6, 6, 6, 6, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 17:34:11,159 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-12-13 17:34:11,159 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 17:34:11,159 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 17:34:11,159 INFO L85 PathProgramCache]: Analyzing trace with hash 929756654, now seen corresponding path program 1 times [2022-12-13 17:34:11,159 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 17:34:11,160 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1330702333] [2022-12-13 17:34:11,160 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 17:34:11,160 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 17:34:11,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:34:12,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-12-13 17:34:12,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:34:12,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:34:12,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:34:12,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-12-13 17:34:12,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:34:12,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:34:12,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:34:12,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-12-13 17:34:12,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:34:12,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:34:12,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:34:12,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-12-13 17:34:12,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:34:12,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:34:12,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:34:12,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-12-13 17:34:12,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:34:12,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:34:12,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:34:12,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-12-13 17:34:12,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:34:12,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:34:12,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:34:12,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-12-13 17:34:12,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:34:12,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2022-12-13 17:34:12,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:34:12,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2022-12-13 17:34:12,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:34:12,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-12-13 17:34:12,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:34:12,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-12-13 17:34:12,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:34:12,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:34:12,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:34:12,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2022-12-13 17:34:12,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:34:12,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2022-12-13 17:34:12,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:34:12,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2022-12-13 17:34:12,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:34:12,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-12-13 17:34:12,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:34:12,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2022-12-13 17:34:12,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:34:12,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2022-12-13 17:34:12,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:34:12,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2022-12-13 17:34:12,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:34:12,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2022-12-13 17:34:12,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:34:12,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2022-12-13 17:34:12,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:34:12,208 INFO L134 CoverageAnalysis]: Checked inductivity of 331 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 319 trivial. 0 not checked. [2022-12-13 17:34:12,208 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 17:34:12,208 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1330702333] [2022-12-13 17:34:12,208 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1330702333] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 17:34:12,208 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 17:34:12,208 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-12-13 17:34:12,209 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1787950268] [2022-12-13 17:34:12,209 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 17:34:12,209 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-13 17:34:12,209 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 17:34:12,209 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 17:34:12,209 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-12-13 17:34:12,210 INFO L87 Difference]: Start difference. First operand 32418 states and 44722 transitions. Second operand has 6 states, 6 states have (on average 11.666666666666666) internal successors, (70), 4 states have internal predecessors, (70), 2 states have call successors, (23), 4 states have call predecessors, (23), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2022-12-13 17:34:18,537 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 17:34:18,537 INFO L93 Difference]: Finished difference Result 33812 states and 47077 transitions. [2022-12-13 17:34:18,537 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-13 17:34:18,537 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.666666666666666) internal successors, (70), 4 states have internal predecessors, (70), 2 states have call successors, (23), 4 states have call predecessors, (23), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) Word has length 196 [2022-12-13 17:34:18,538 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 17:34:18,618 INFO L225 Difference]: With dead ends: 33812 [2022-12-13 17:34:18,618 INFO L226 Difference]: Without dead ends: 33810 [2022-12-13 17:34:18,630 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 55 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 17:34:18,630 INFO L413 NwaCegarLoop]: 2439 mSDtfsCounter, 3446 mSDsluCounter, 5538 mSDsCounter, 0 mSdLazyCounter, 3955 mSolverCounterSat, 1053 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3824 SdHoareTripleChecker+Valid, 7977 SdHoareTripleChecker+Invalid, 5008 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1053 IncrementalHoareTripleChecker+Valid, 3955 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.8s IncrementalHoareTripleChecker+Time [2022-12-13 17:34:18,630 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3824 Valid, 7977 Invalid, 5008 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1053 Valid, 3955 Invalid, 0 Unknown, 0 Unchecked, 3.8s Time] [2022-12-13 17:34:18,653 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33810 states. [2022-12-13 17:34:20,736 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33810 to 32422. [2022-12-13 17:34:20,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32422 states, 22318 states have (on average 1.267810735729008) internal successors, (28295), 23064 states have internal predecessors, (28295), 8205 states have call successors, (8205), 1913 states have call predecessors, (8205), 1896 states have return successors, (8225), 7820 states have call predecessors, (8225), 8201 states have call successors, (8225) [2022-12-13 17:34:20,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32422 states to 32422 states and 44725 transitions. [2022-12-13 17:34:20,846 INFO L78 Accepts]: Start accepts. Automaton has 32422 states and 44725 transitions. Word has length 196 [2022-12-13 17:34:20,846 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 17:34:20,846 INFO L495 AbstractCegarLoop]: Abstraction has 32422 states and 44725 transitions. [2022-12-13 17:34:20,846 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.666666666666666) internal successors, (70), 4 states have internal predecessors, (70), 2 states have call successors, (23), 4 states have call predecessors, (23), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2022-12-13 17:34:20,847 INFO L276 IsEmpty]: Start isEmpty. Operand 32422 states and 44725 transitions. [2022-12-13 17:34:20,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 202 [2022-12-13 17:34:20,852 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 17:34:20,853 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 8, 7, 7, 6, 6, 6, 6, 6, 6, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 17:34:20,853 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-12-13 17:34:20,853 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-12-13 17:34:20,853 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 17:34:20,853 INFO L85 PathProgramCache]: Analyzing trace with hash -1725404147, now seen corresponding path program 1 times [2022-12-13 17:34:20,853 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 17:34:20,853 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1117285912] [2022-12-13 17:34:20,853 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 17:34:20,853 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 17:34:20,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:34:21,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-12-13 17:34:21,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:34:21,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:34:21,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:34:21,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-12-13 17:34:21,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:34:21,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:34:21,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:34:21,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-12-13 17:34:21,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:34:21,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:34:21,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:34:21,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-12-13 17:34:21,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:34:21,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:34:21,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:34:21,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-12-13 17:34:21,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:34:21,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:34:21,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:34:21,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-12-13 17:34:21,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:34:21,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:34:21,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:34:21,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-12-13 17:34:21,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:34:21,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2022-12-13 17:34:21,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:34:21,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2022-12-13 17:34:21,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:34:21,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-12-13 17:34:21,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:34:21,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-12-13 17:34:21,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:34:21,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:34:21,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:34:21,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2022-12-13 17:34:21,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:34:21,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2022-12-13 17:34:21,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:34:21,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2022-12-13 17:34:21,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:34:21,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-12-13 17:34:21,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:34:21,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2022-12-13 17:34:21,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:34:21,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2022-12-13 17:34:21,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:34:21,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2022-12-13 17:34:21,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:34:21,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2022-12-13 17:34:21,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:34:21,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2022-12-13 17:34:21,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:34:21,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2022-12-13 17:34:21,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:34:21,658 INFO L134 CoverageAnalysis]: Checked inductivity of 357 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 343 trivial. 0 not checked. [2022-12-13 17:34:21,659 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 17:34:21,659 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1117285912] [2022-12-13 17:34:21,659 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1117285912] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 17:34:21,659 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 17:34:21,659 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-12-13 17:34:21,659 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1084098091] [2022-12-13 17:34:21,659 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 17:34:21,659 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-13 17:34:21,659 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 17:34:21,660 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 17:34:21,660 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-12-13 17:34:21,660 INFO L87 Difference]: Start difference. First operand 32422 states and 44725 transitions. Second operand has 6 states, 6 states have (on average 11.666666666666666) internal successors, (70), 4 states have internal predecessors, (70), 2 states have call successors, (24), 4 states have call predecessors, (24), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2022-12-13 17:34:27,616 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 17:34:27,616 INFO L93 Difference]: Finished difference Result 33816 states and 47080 transitions. [2022-12-13 17:34:27,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-13 17:34:27,617 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.666666666666666) internal successors, (70), 4 states have internal predecessors, (70), 2 states have call successors, (24), 4 states have call predecessors, (24), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) Word has length 201 [2022-12-13 17:34:27,617 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 17:34:27,694 INFO L225 Difference]: With dead ends: 33816 [2022-12-13 17:34:27,694 INFO L226 Difference]: Without dead ends: 33814 [2022-12-13 17:34:27,705 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 57 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 17:34:27,705 INFO L413 NwaCegarLoop]: 2439 mSDtfsCounter, 3443 mSDsluCounter, 5535 mSDsCounter, 0 mSdLazyCounter, 3958 mSolverCounterSat, 1051 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3824 SdHoareTripleChecker+Valid, 7974 SdHoareTripleChecker+Invalid, 5009 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1051 IncrementalHoareTripleChecker+Valid, 3958 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.5s IncrementalHoareTripleChecker+Time [2022-12-13 17:34:27,705 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3824 Valid, 7974 Invalid, 5009 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1051 Valid, 3958 Invalid, 0 Unknown, 0 Unchecked, 3.5s Time] [2022-12-13 17:34:27,726 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33814 states. [2022-12-13 17:34:29,695 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33814 to 32426. [2022-12-13 17:34:29,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32426 states, 22321 states have (on average 1.2677747412750324) internal successors, (28298), 23067 states have internal predecessors, (28298), 8205 states have call successors, (8205), 1914 states have call predecessors, (8205), 1897 states have return successors, (8225), 7820 states have call predecessors, (8225), 8201 states have call successors, (8225) [2022-12-13 17:34:29,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32426 states to 32426 states and 44728 transitions. [2022-12-13 17:34:29,808 INFO L78 Accepts]: Start accepts. Automaton has 32426 states and 44728 transitions. Word has length 201 [2022-12-13 17:34:29,808 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 17:34:29,808 INFO L495 AbstractCegarLoop]: Abstraction has 32426 states and 44728 transitions. [2022-12-13 17:34:29,808 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.666666666666666) internal successors, (70), 4 states have internal predecessors, (70), 2 states have call successors, (24), 4 states have call predecessors, (24), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2022-12-13 17:34:29,808 INFO L276 IsEmpty]: Start isEmpty. Operand 32426 states and 44728 transitions. [2022-12-13 17:34:29,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207 [2022-12-13 17:34:29,815 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 17:34:29,815 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 9, 8, 8, 6, 6, 6, 6, 6, 6, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 17:34:29,815 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-12-13 17:34:29,815 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-12-13 17:34:29,815 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 17:34:29,815 INFO L85 PathProgramCache]: Analyzing trace with hash 1449658638, now seen corresponding path program 1 times [2022-12-13 17:34:29,815 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 17:34:29,816 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [305010090] [2022-12-13 17:34:29,816 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 17:34:29,816 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 17:34:29,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:34:30,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-12-13 17:34:30,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:34:30,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:34:30,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:34:30,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-12-13 17:34:30,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:34:30,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:34:30,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:34:30,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-12-13 17:34:30,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:34:30,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:34:30,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:34:30,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-12-13 17:34:30,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:34:30,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:34:30,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:34:30,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-12-13 17:34:30,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:34:30,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:34:30,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:34:30,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-12-13 17:34:30,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:34:30,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:34:30,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:34:30,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-12-13 17:34:30,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:34:30,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2022-12-13 17:34:30,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:34:30,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2022-12-13 17:34:30,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:34:30,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-12-13 17:34:30,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:34:30,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-12-13 17:34:30,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:34:30,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:34:30,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:34:30,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2022-12-13 17:34:30,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:34:30,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2022-12-13 17:34:30,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:34:30,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2022-12-13 17:34:30,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:34:30,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-12-13 17:34:30,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:34:30,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2022-12-13 17:34:30,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:34:30,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2022-12-13 17:34:30,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:34:30,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2022-12-13 17:34:30,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:34:30,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2022-12-13 17:34:30,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:34:30,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2022-12-13 17:34:30,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:34:30,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2022-12-13 17:34:30,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:34:30,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2022-12-13 17:34:30,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:34:30,668 INFO L134 CoverageAnalysis]: Checked inductivity of 387 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 371 trivial. 0 not checked. [2022-12-13 17:34:30,668 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 17:34:30,668 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [305010090] [2022-12-13 17:34:30,669 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [305010090] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 17:34:30,669 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 17:34:30,669 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-12-13 17:34:30,669 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [690310896] [2022-12-13 17:34:30,669 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 17:34:30,669 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-13 17:34:30,669 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 17:34:30,669 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 17:34:30,670 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-12-13 17:34:30,670 INFO L87 Difference]: Start difference. First operand 32426 states and 44728 transitions. Second operand has 6 states, 6 states have (on average 11.666666666666666) internal successors, (70), 4 states have internal predecessors, (70), 2 states have call successors, (25), 4 states have call predecessors, (25), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2022-12-13 17:34:36,411 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 17:34:36,411 INFO L93 Difference]: Finished difference Result 33820 states and 47083 transitions. [2022-12-13 17:34:36,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-13 17:34:36,412 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.666666666666666) internal successors, (70), 4 states have internal predecessors, (70), 2 states have call successors, (25), 4 states have call predecessors, (25), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 206 [2022-12-13 17:34:36,412 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 17:34:36,498 INFO L225 Difference]: With dead ends: 33820 [2022-12-13 17:34:36,498 INFO L226 Difference]: Without dead ends: 33818 [2022-12-13 17:34:36,558 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 59 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 17:34:36,559 INFO L413 NwaCegarLoop]: 2444 mSDtfsCounter, 3443 mSDsluCounter, 5550 mSDsCounter, 0 mSdLazyCounter, 3958 mSolverCounterSat, 1050 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3819 SdHoareTripleChecker+Valid, 7994 SdHoareTripleChecker+Invalid, 5008 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1050 IncrementalHoareTripleChecker+Valid, 3958 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.2s IncrementalHoareTripleChecker+Time [2022-12-13 17:34:36,559 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3819 Valid, 7994 Invalid, 5008 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1050 Valid, 3958 Invalid, 0 Unknown, 0 Unchecked, 3.2s Time] [2022-12-13 17:34:36,575 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33818 states. [2022-12-13 17:34:38,625 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33818 to 32430. [2022-12-13 17:34:38,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32430 states, 22324 states have (on average 1.2677387564952518) internal successors, (28301), 23070 states have internal predecessors, (28301), 8205 states have call successors, (8205), 1915 states have call predecessors, (8205), 1898 states have return successors, (8225), 7820 states have call predecessors, (8225), 8201 states have call successors, (8225) [2022-12-13 17:34:38,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32430 states to 32430 states and 44731 transitions. [2022-12-13 17:34:38,740 INFO L78 Accepts]: Start accepts. Automaton has 32430 states and 44731 transitions. Word has length 206 [2022-12-13 17:34:38,740 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 17:34:38,740 INFO L495 AbstractCegarLoop]: Abstraction has 32430 states and 44731 transitions. [2022-12-13 17:34:38,741 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.666666666666666) internal successors, (70), 4 states have internal predecessors, (70), 2 states have call successors, (25), 4 states have call predecessors, (25), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2022-12-13 17:34:38,741 INFO L276 IsEmpty]: Start isEmpty. Operand 32430 states and 44731 transitions. [2022-12-13 17:34:38,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 212 [2022-12-13 17:34:38,748 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 17:34:38,748 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 9, 9, 6, 6, 6, 6, 6, 6, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 17:34:38,748 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-12-13 17:34:38,748 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-12-13 17:34:38,748 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 17:34:38,748 INFO L85 PathProgramCache]: Analyzing trace with hash -214664083, now seen corresponding path program 1 times [2022-12-13 17:34:38,748 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 17:34:38,748 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [763720897] [2022-12-13 17:34:38,748 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 17:34:38,749 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 17:34:38,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:34:39,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-12-13 17:34:39,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:34:39,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:34:39,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:34:39,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-12-13 17:34:39,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:34:39,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:34:39,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:34:39,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-12-13 17:34:39,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:34:39,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:34:39,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:34:39,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-12-13 17:34:39,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:34:39,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:34:39,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:34:39,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-12-13 17:34:39,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:34:39,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:34:39,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:34:39,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-12-13 17:34:39,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:34:39,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:34:39,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:34:39,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-12-13 17:34:39,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:34:39,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2022-12-13 17:34:39,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:34:39,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2022-12-13 17:34:39,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:34:39,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-12-13 17:34:39,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:34:39,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-12-13 17:34:39,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:34:39,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:34:39,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:34:39,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2022-12-13 17:34:39,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:34:39,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2022-12-13 17:34:39,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:34:39,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2022-12-13 17:34:39,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:34:39,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-12-13 17:34:39,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:34:39,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2022-12-13 17:34:39,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:34:39,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2022-12-13 17:34:39,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:34:39,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2022-12-13 17:34:39,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:34:39,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2022-12-13 17:34:39,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:34:39,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2022-12-13 17:34:39,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:34:39,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2022-12-13 17:34:39,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:34:39,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2022-12-13 17:34:39,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:34:39,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2022-12-13 17:34:39,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:34:39,592 INFO L134 CoverageAnalysis]: Checked inductivity of 421 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 403 trivial. 0 not checked. [2022-12-13 17:34:39,592 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 17:34:39,592 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [763720897] [2022-12-13 17:34:39,592 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [763720897] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 17:34:39,592 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 17:34:39,592 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-12-13 17:34:39,592 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1977340064] [2022-12-13 17:34:39,592 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 17:34:39,593 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-13 17:34:39,593 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 17:34:39,593 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 17:34:39,593 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-12-13 17:34:39,593 INFO L87 Difference]: Start difference. First operand 32430 states and 44731 transitions. Second operand has 6 states, 6 states have (on average 11.666666666666666) internal successors, (70), 4 states have internal predecessors, (70), 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 17:34:45,648 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 17:34:45,648 INFO L93 Difference]: Finished difference Result 33824 states and 47086 transitions. [2022-12-13 17:34:45,648 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-13 17:34:45,649 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.666666666666666) internal successors, (70), 4 states have internal predecessors, (70), 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 211 [2022-12-13 17:34:45,649 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 17:34:45,733 INFO L225 Difference]: With dead ends: 33824 [2022-12-13 17:34:45,733 INFO L226 Difference]: Without dead ends: 33822 [2022-12-13 17:34:45,746 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 61 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 17:34:45,747 INFO L413 NwaCegarLoop]: 2439 mSDtfsCounter, 3444 mSDsluCounter, 5537 mSDsCounter, 0 mSdLazyCounter, 3958 mSolverCounterSat, 1051 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3823 SdHoareTripleChecker+Valid, 7976 SdHoareTripleChecker+Invalid, 5009 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1051 IncrementalHoareTripleChecker+Valid, 3958 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.4s IncrementalHoareTripleChecker+Time [2022-12-13 17:34:45,747 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3823 Valid, 7976 Invalid, 5009 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1051 Valid, 3958 Invalid, 0 Unknown, 0 Unchecked, 3.4s Time] [2022-12-13 17:34:45,771 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33822 states. [2022-12-13 17:34:48,001 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33822 to 32434. [2022-12-13 17:34:48,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32434 states, 22327 states have (on average 1.2677027813857662) internal successors, (28304), 23073 states have internal predecessors, (28304), 8205 states have call successors, (8205), 1916 states have call predecessors, (8205), 1899 states have return successors, (8225), 7820 states have call predecessors, (8225), 8201 states have call successors, (8225) [2022-12-13 17:34:48,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32434 states to 32434 states and 44734 transitions. [2022-12-13 17:34:48,111 INFO L78 Accepts]: Start accepts. Automaton has 32434 states and 44734 transitions. Word has length 211 [2022-12-13 17:34:48,111 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 17:34:48,111 INFO L495 AbstractCegarLoop]: Abstraction has 32434 states and 44734 transitions. [2022-12-13 17:34:48,111 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.666666666666666) internal successors, (70), 4 states have internal predecessors, (70), 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 17:34:48,111 INFO L276 IsEmpty]: Start isEmpty. Operand 32434 states and 44734 transitions. [2022-12-13 17:34:48,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 217 [2022-12-13 17:34:48,119 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 17:34:48,119 INFO L195 NwaCegarLoop]: trace histogram [11, 10, 10, 10, 10, 6, 6, 6, 6, 6, 6, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 17:34:48,119 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-12-13 17:34:48,119 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-12-13 17:34:48,120 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 17:34:48,120 INFO L85 PathProgramCache]: Analyzing trace with hash 1433494574, now seen corresponding path program 1 times [2022-12-13 17:34:48,120 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 17:34:48,120 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [607990252] [2022-12-13 17:34:48,120 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 17:34:48,120 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 17:34:48,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:34:48,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-12-13 17:34:48,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:34:48,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:34:48,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:34:48,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-12-13 17:34:48,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:34:48,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:34:48,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:34:48,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-12-13 17:34:48,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:34:48,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:34:48,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:34:48,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-12-13 17:34:48,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:34:48,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:34:48,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:34:48,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-12-13 17:34:48,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:34:48,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:34:48,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:34:48,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-12-13 17:34:48,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:34:48,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:34:48,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:34:48,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-12-13 17:34:48,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:34:48,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2022-12-13 17:34:48,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:34:48,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2022-12-13 17:34:48,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:34:48,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-12-13 17:34:48,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:34:48,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-12-13 17:34:48,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:34:48,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:34:48,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:34:48,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2022-12-13 17:34:48,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:34:48,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2022-12-13 17:34:48,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:34:48,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2022-12-13 17:34:48,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:34:48,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-12-13 17:34:48,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:34:48,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2022-12-13 17:34:48,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:34:48,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2022-12-13 17:34:48,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:34:48,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2022-12-13 17:34:48,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:34:48,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2022-12-13 17:34:48,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:34:48,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2022-12-13 17:34:48,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:34:48,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2022-12-13 17:34:48,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:34:48,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2022-12-13 17:34:48,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:34:48,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2022-12-13 17:34:48,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:34:48,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2022-12-13 17:34:48,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:34:49,005 INFO L134 CoverageAnalysis]: Checked inductivity of 459 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 439 trivial. 0 not checked. [2022-12-13 17:34:49,005 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 17:34:49,005 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [607990252] [2022-12-13 17:34:49,006 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [607990252] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 17:34:49,006 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 17:34:49,006 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-12-13 17:34:49,006 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1621846887] [2022-12-13 17:34:49,006 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 17:34:49,006 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-13 17:34:49,007 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 17:34:49,007 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 17:34:49,007 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-12-13 17:34:49,007 INFO L87 Difference]: Start difference. First operand 32434 states and 44734 transitions. Second operand has 6 states, 6 states have (on average 11.666666666666666) internal successors, (70), 4 states have internal predecessors, (70), 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 17:34:56,005 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 17:34:56,006 INFO L93 Difference]: Finished difference Result 36484 states and 50097 transitions. [2022-12-13 17:34:56,006 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-12-13 17:34:56,006 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.666666666666666) internal successors, (70), 4 states have internal predecessors, (70), 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 216 [2022-12-13 17:34:56,007 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 17:34:56,091 INFO L225 Difference]: With dead ends: 36484 [2022-12-13 17:34:56,091 INFO L226 Difference]: Without dead ends: 36480 [2022-12-13 17:34:56,103 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 63 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 17:34:56,103 INFO L413 NwaCegarLoop]: 2450 mSDtfsCounter, 3190 mSDsluCounter, 6006 mSDsCounter, 0 mSdLazyCounter, 4457 mSolverCounterSat, 1037 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3504 SdHoareTripleChecker+Valid, 8456 SdHoareTripleChecker+Invalid, 5494 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1037 IncrementalHoareTripleChecker+Valid, 4457 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.8s IncrementalHoareTripleChecker+Time [2022-12-13 17:34:56,104 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3504 Valid, 8456 Invalid, 5494 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1037 Valid, 4457 Invalid, 0 Unknown, 0 Unchecked, 3.8s Time] [2022-12-13 17:34:56,127 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36480 states. [2022-12-13 17:34:58,629 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36480 to 34792. [2022-12-13 17:34:58,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34792 states, 23941 states have (on average 1.2591370452362056) internal successors, (30145), 24726 states have internal predecessors, (30145), 8589 states have call successors, (8589), 2277 states have call predecessors, (8589), 2259 states have return successors, (8609), 8192 states have call predecessors, (8609), 8585 states have call successors, (8609) [2022-12-13 17:34:58,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34792 states to 34792 states and 47343 transitions. [2022-12-13 17:34:58,744 INFO L78 Accepts]: Start accepts. Automaton has 34792 states and 47343 transitions. Word has length 216 [2022-12-13 17:34:58,744 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 17:34:58,744 INFO L495 AbstractCegarLoop]: Abstraction has 34792 states and 47343 transitions. [2022-12-13 17:34:58,745 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.666666666666666) internal successors, (70), 4 states have internal predecessors, (70), 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 17:34:58,745 INFO L276 IsEmpty]: Start isEmpty. Operand 34792 states and 47343 transitions. [2022-12-13 17:34:58,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 222 [2022-12-13 17:34:58,752 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 17:34:58,752 INFO L195 NwaCegarLoop]: trace histogram [12, 11, 11, 10, 10, 6, 6, 6, 6, 6, 6, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 17:34:58,752 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-12-13 17:34:58,752 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-12-13 17:34:58,752 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 17:34:58,752 INFO L85 PathProgramCache]: Analyzing trace with hash 1906394317, now seen corresponding path program 1 times [2022-12-13 17:34:58,753 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 17:34:58,753 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [46175141] [2022-12-13 17:34:58,753 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 17:34:58,753 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 17:34:58,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:34:59,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-12-13 17:34:59,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:34:59,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:34:59,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:34:59,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-12-13 17:34:59,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:34:59,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:34:59,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:34:59,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-12-13 17:34:59,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:34:59,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:34:59,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:34:59,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-12-13 17:34:59,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:34:59,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:34:59,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:34:59,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-12-13 17:34:59,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:34:59,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:34:59,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:34:59,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-12-13 17:34:59,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:34:59,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:34:59,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:34:59,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-12-13 17:34:59,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:34:59,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2022-12-13 17:34:59,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:34:59,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2022-12-13 17:34:59,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:34:59,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-12-13 17:34:59,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:34:59,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-12-13 17:34:59,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:34:59,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:34:59,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:34:59,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2022-12-13 17:34:59,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:34:59,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2022-12-13 17:34:59,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:34:59,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2022-12-13 17:34:59,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:34:59,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-12-13 17:34:59,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:34:59,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2022-12-13 17:34:59,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:34:59,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2022-12-13 17:34:59,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:34:59,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2022-12-13 17:34:59,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:34:59,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2022-12-13 17:34:59,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:34:59,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2022-12-13 17:34:59,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:34:59,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2022-12-13 17:34:59,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:34:59,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2022-12-13 17:34:59,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:34:59,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2022-12-13 17:34:59,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:34:59,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2022-12-13 17:34:59,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:34:59,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2022-12-13 17:34:59,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:34:59,588 INFO L134 CoverageAnalysis]: Checked inductivity of 501 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 479 trivial. 0 not checked. [2022-12-13 17:34:59,588 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 17:34:59,588 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [46175141] [2022-12-13 17:34:59,588 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [46175141] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 17:34:59,588 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 17:34:59,588 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-12-13 17:34:59,588 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1081218989] [2022-12-13 17:34:59,588 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 17:34:59,589 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-13 17:34:59,589 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 17:34:59,589 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 17:34:59,589 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-12-13 17:34:59,589 INFO L87 Difference]: Start difference. First operand 34792 states and 47343 transitions. Second operand has 6 states, 6 states have (on average 11.666666666666666) internal successors, (70), 4 states have internal predecessors, (70), 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 17:35:06,359 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 17:35:06,359 INFO L93 Difference]: Finished difference Result 36480 states and 50093 transitions. [2022-12-13 17:35:06,360 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-13 17:35:06,360 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.666666666666666) internal successors, (70), 4 states have internal predecessors, (70), 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 221 [2022-12-13 17:35:06,361 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 17:35:06,444 INFO L225 Difference]: With dead ends: 36480 [2022-12-13 17:35:06,444 INFO L226 Difference]: Without dead ends: 36325 [2022-12-13 17:35:06,456 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 65 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 17:35:06,456 INFO L413 NwaCegarLoop]: 2443 mSDtfsCounter, 3438 mSDsluCounter, 5547 mSDsCounter, 0 mSdLazyCounter, 3950 mSolverCounterSat, 1045 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3815 SdHoareTripleChecker+Valid, 7990 SdHoareTripleChecker+Invalid, 4995 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1045 IncrementalHoareTripleChecker+Valid, 3950 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.4s IncrementalHoareTripleChecker+Time [2022-12-13 17:35:06,456 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3815 Valid, 7990 Invalid, 4995 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1045 Valid, 3950 Invalid, 0 Unknown, 0 Unchecked, 3.4s Time] [2022-12-13 17:35:06,480 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36325 states. [2022-12-13 17:35:09,116 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36325 to 34637. [2022-12-13 17:35:09,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34637 states, 23841 states have (on average 1.2595528711044) internal successors, (30029), 24614 states have internal predecessors, (30029), 8550 states have call successors, (8550), 2260 states have call predecessors, (8550), 2244 states have return successors, (8574), 8166 states have call predecessors, (8574), 8550 states have call successors, (8574) [2022-12-13 17:35:09,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34637 states to 34637 states and 47153 transitions. [2022-12-13 17:35:09,231 INFO L78 Accepts]: Start accepts. Automaton has 34637 states and 47153 transitions. Word has length 221 [2022-12-13 17:35:09,231 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 17:35:09,231 INFO L495 AbstractCegarLoop]: Abstraction has 34637 states and 47153 transitions. [2022-12-13 17:35:09,232 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.666666666666666) internal successors, (70), 4 states have internal predecessors, (70), 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 17:35:09,232 INFO L276 IsEmpty]: Start isEmpty. Operand 34637 states and 47153 transitions. [2022-12-13 17:35:09,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 294 [2022-12-13 17:35:09,240 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 17:35:09,240 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 7, 7, 7, 7, 7, 7, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 17:35:09,240 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-12-13 17:35:09,240 INFO L420 AbstractCegarLoop]: === Iteration 18 === 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 17:35:09,240 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 17:35:09,241 INFO L85 PathProgramCache]: Analyzing trace with hash 1081400884, now seen corresponding path program 1 times [2022-12-13 17:35:09,241 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 17:35:09,241 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [772769801] [2022-12-13 17:35:09,241 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 17:35:09,241 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 17:35:09,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:35:09,519 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 17:35:09,520 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [772769801] [2022-12-13 17:35:09,520 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2022-12-13 17:35:09,520 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1549823888] [2022-12-13 17:35:09,520 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 17:35:09,520 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 17:35:09,521 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8f4d012-2063-49e2-bff7-c10e884937b6/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 17:35:09,522 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8f4d012-2063-49e2-bff7-c10e884937b6/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 17:35:09,523 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8f4d012-2063-49e2-bff7-c10e884937b6/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-12-13 17:35:10,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:35:11,018 INFO L263 TraceCheckSpWp]: Trace formula consists of 8989 conjuncts, 2 conjunts are in the unsatisfiable core [2022-12-13 17:35:11,032 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 17:35:11,070 INFO L134 CoverageAnalysis]: Checked inductivity of 246 backedges. 75 proven. 0 refuted. 0 times theorem prover too weak. 171 trivial. 0 not checked. [2022-12-13 17:35:11,071 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 17:35:11,071 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1549823888] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 17:35:11,071 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 17:35:11,071 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 17:35:11,071 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1703404292] [2022-12-13 17:35:11,071 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 17:35:11,072 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 17:35:11,072 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 17:35:11,073 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 17:35:11,073 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 17:35:11,073 INFO L87 Difference]: Start difference. First operand 34637 states and 47153 transitions. Second operand has 3 states, 3 states have (on average 53.0) internal successors, (159), 3 states have internal predecessors, (159), 3 states have call successors, (42), 3 states have call predecessors, (42), 3 states have return successors, (36), 3 states have call predecessors, (36), 3 states have call successors, (36) [2022-12-13 17:35:14,333 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 17:35:14,333 INFO L93 Difference]: Finished difference Result 74101 states and 100539 transitions. [2022-12-13 17:35:14,334 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 17:35:14,334 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 53.0) internal successors, (159), 3 states have internal predecessors, (159), 3 states have call successors, (42), 3 states have call predecessors, (42), 3 states have return successors, (36), 3 states have call predecessors, (36), 3 states have call successors, (36) Word has length 293 [2022-12-13 17:35:14,334 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 17:35:14,436 INFO L225 Difference]: With dead ends: 74101 [2022-12-13 17:35:14,436 INFO L226 Difference]: Without dead ends: 39387 [2022-12-13 17:35:14,533 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 292 GetRequests, 291 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 17:35:14,533 INFO L413 NwaCegarLoop]: 5546 mSDtfsCounter, 2556 mSDsluCounter, 3196 mSDsCounter, 0 mSdLazyCounter, 68 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2556 SdHoareTripleChecker+Valid, 8742 SdHoareTripleChecker+Invalid, 84 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 68 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-12-13 17:35:14,533 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2556 Valid, 8742 Invalid, 84 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 68 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-12-13 17:35:14,554 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39387 states. [2022-12-13 17:35:17,778 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39387 to 39379. [2022-12-13 17:35:17,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 39379 states, 27297 states have (on average 1.2562919002088142) internal successors, (34293), 28169 states have internal predecessors, (34293), 9383 states have call successors, (9383), 2709 states have call predecessors, (9383), 2697 states have return successors, (9407), 8977 states have call predecessors, (9407), 9383 states have call successors, (9407) [2022-12-13 17:35:17,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39379 states to 39379 states and 53083 transitions. [2022-12-13 17:35:17,910 INFO L78 Accepts]: Start accepts. Automaton has 39379 states and 53083 transitions. Word has length 293 [2022-12-13 17:35:17,910 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 17:35:17,910 INFO L495 AbstractCegarLoop]: Abstraction has 39379 states and 53083 transitions. [2022-12-13 17:35:17,910 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 53.0) internal successors, (159), 3 states have internal predecessors, (159), 3 states have call successors, (42), 3 states have call predecessors, (42), 3 states have return successors, (36), 3 states have call predecessors, (36), 3 states have call successors, (36) [2022-12-13 17:35:17,910 INFO L276 IsEmpty]: Start isEmpty. Operand 39379 states and 53083 transitions. [2022-12-13 17:35:17,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 416 [2022-12-13 17:35:17,921 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 17:35:17,921 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 9, 9, 9, 9, 9, 9, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 17:35:17,942 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8f4d012-2063-49e2-bff7-c10e884937b6/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-12-13 17:35:18,121 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8f4d012-2063-49e2-bff7-c10e884937b6/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2022-12-13 17:35:18,123 INFO L420 AbstractCegarLoop]: === Iteration 19 === 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 17:35:18,123 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 17:35:18,124 INFO L85 PathProgramCache]: Analyzing trace with hash 950451518, now seen corresponding path program 1 times [2022-12-13 17:35:18,124 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 17:35:18,125 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [324949120] [2022-12-13 17:35:18,125 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 17:35:18,125 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 17:35:18,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:35:19,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-12-13 17:35:19,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:35:19,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:35:19,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:35:19,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-12-13 17:35:19,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:35:19,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:35:19,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:35:19,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-12-13 17:35:19,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:35:19,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:35:19,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:35:19,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-12-13 17:35:19,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:35:19,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:35:19,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:35:19,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-12-13 17:35:19,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:35:19,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:35:19,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:35:19,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-12-13 17:35:19,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:35:19,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:35:19,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:35:19,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-12-13 17:35:19,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:35:19,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2022-12-13 17:35:19,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:35:19,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2022-12-13 17:35:19,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:35:19,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-12-13 17:35:19,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:35:19,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2022-12-13 17:35:19,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:35:19,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2022-12-13 17:35:19,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:35:19,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:35:19,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:35:19,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2022-12-13 17:35:19,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:35:19,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2022-12-13 17:35:19,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:35:19,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2022-12-13 17:35:19,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:35:19,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2022-12-13 17:35:19,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:35:19,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-12-13 17:35:19,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:35:19,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2022-12-13 17:35:19,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:35:19,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:35:19,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:35:19,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:35:19,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:35:19,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:35:19,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:35:19,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:35:19,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:35:19,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2022-12-13 17:35:19,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:35:19,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:35:19,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:35:19,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:35:19,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:35:19,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:35:19,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:35:19,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2022-12-13 17:35:19,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:35:19,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2022-12-13 17:35:19,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:35:19,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 274 [2022-12-13 17:35:19,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:35:19,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 281 [2022-12-13 17:35:19,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:35:19,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2022-12-13 17:35:19,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:35:19,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 294 [2022-12-13 17:35:19,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:35:19,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 299 [2022-12-13 17:35:19,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:35:19,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 309 [2022-12-13 17:35:19,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:35:19,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 315 [2022-12-13 17:35:19,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:35:19,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 320 [2022-12-13 17:35:19,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:35:19,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 326 [2022-12-13 17:35:19,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:35:19,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:35:19,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:35:19,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:35:19,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:35:19,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:35:19,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:35:19,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 348 [2022-12-13 17:35:19,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:35:19,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 353 [2022-12-13 17:35:19,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:35:19,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 360 [2022-12-13 17:35:19,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:35:19,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 367 [2022-12-13 17:35:19,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:35:19,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:35:19,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:35:19,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:35:19,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:35:19,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-12-13 17:35:19,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:35:19,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-12-13 17:35:19,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:35:19,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-12-13 17:35:19,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:35:19,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2022-12-13 17:35:19,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:35:19,950 INFO L134 CoverageAnalysis]: Checked inductivity of 531 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 528 trivial. 0 not checked. [2022-12-13 17:35:19,950 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 17:35:19,951 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [324949120] [2022-12-13 17:35:19,951 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [324949120] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 17:35:19,951 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 17:35:19,951 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-12-13 17:35:19,951 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [446485830] [2022-12-13 17:35:19,951 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 17:35:19,952 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-12-13 17:35:19,952 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 17:35:19,953 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-12-13 17:35:19,953 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2022-12-13 17:35:19,953 INFO L87 Difference]: Start difference. First operand 39379 states and 53083 transitions. Second operand has 10 states, 10 states have (on average 20.7) internal successors, (207), 5 states have internal predecessors, (207), 3 states have call successors, (50), 6 states have call predecessors, (50), 1 states have return successors, (45), 4 states have call predecessors, (45), 3 states have call successors, (45) [2022-12-13 17:35:50,475 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 17:35:50,475 INFO L93 Difference]: Finished difference Result 120709 states and 166615 transitions. [2022-12-13 17:35:50,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-12-13 17:35:50,476 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 20.7) internal successors, (207), 5 states have internal predecessors, (207), 3 states have call successors, (50), 6 states have call predecessors, (50), 1 states have return successors, (45), 4 states have call predecessors, (45), 3 states have call successors, (45) Word has length 415 [2022-12-13 17:35:50,476 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 17:35:50,791 INFO L225 Difference]: With dead ends: 120709 [2022-12-13 17:35:50,791 INFO L226 Difference]: Without dead ends: 81438 [2022-12-13 17:35:50,878 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 134 GetRequests, 118 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=108, Invalid=198, Unknown=0, NotChecked=0, Total=306 [2022-12-13 17:35:50,879 INFO L413 NwaCegarLoop]: 5064 mSDtfsCounter, 11526 mSDsluCounter, 10233 mSDsCounter, 0 mSdLazyCounter, 15418 mSolverCounterSat, 7280 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 19.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12649 SdHoareTripleChecker+Valid, 15297 SdHoareTripleChecker+Invalid, 22698 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 7280 IncrementalHoareTripleChecker+Valid, 15418 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 21.8s IncrementalHoareTripleChecker+Time [2022-12-13 17:35:50,879 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [12649 Valid, 15297 Invalid, 22698 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [7280 Valid, 15418 Invalid, 0 Unknown, 0 Unchecked, 21.8s Time] [2022-12-13 17:35:50,928 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 81438 states. [2022-12-13 17:35:57,017 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 81438 to 69398. [2022-12-13 17:35:57,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 69398 states, 48163 states have (on average 1.25471835226211) internal successors, (60431), 49709 states have internal predecessors, (60431), 16226 states have call successors, (16226), 5010 states have call predecessors, (16226), 5007 states have return successors, (16460), 15542 states have call predecessors, (16460), 16226 states have call successors, (16460) [2022-12-13 17:35:57,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69398 states to 69398 states and 93117 transitions. [2022-12-13 17:35:57,279 INFO L78 Accepts]: Start accepts. Automaton has 69398 states and 93117 transitions. Word has length 415 [2022-12-13 17:35:57,280 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 17:35:57,280 INFO L495 AbstractCegarLoop]: Abstraction has 69398 states and 93117 transitions. [2022-12-13 17:35:57,280 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 20.7) internal successors, (207), 5 states have internal predecessors, (207), 3 states have call successors, (50), 6 states have call predecessors, (50), 1 states have return successors, (45), 4 states have call predecessors, (45), 3 states have call successors, (45) [2022-12-13 17:35:57,280 INFO L276 IsEmpty]: Start isEmpty. Operand 69398 states and 93117 transitions. [2022-12-13 17:35:57,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 426 [2022-12-13 17:35:57,304 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 17:35:57,304 INFO L195 NwaCegarLoop]: trace histogram [17, 17, 12, 12, 12, 7, 7, 7, 7, 7, 7, 4, 4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 17:35:57,305 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-12-13 17:35:57,305 INFO L420 AbstractCegarLoop]: === Iteration 20 === 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 17:35:57,305 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 17:35:57,305 INFO L85 PathProgramCache]: Analyzing trace with hash 733254271, now seen corresponding path program 1 times [2022-12-13 17:35:57,305 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 17:35:57,305 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [815769349] [2022-12-13 17:35:57,306 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 17:35:57,306 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 17:35:57,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:35:57,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-12-13 17:35:57,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:35:57,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:35:57,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:35:57,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-12-13 17:35:57,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:35:57,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:35:57,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:35:57,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-12-13 17:35:57,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:35:57,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:35:57,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:35:57,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-12-13 17:35:57,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:35:57,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:35:57,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:35:57,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-12-13 17:35:57,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:35:57,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:35:57,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:35:57,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-12-13 17:35:57,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:35:57,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:35:57,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:35:57,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-12-13 17:35:57,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:35:57,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2022-12-13 17:35:57,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:35:57,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2022-12-13 17:35:57,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:35:57,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-12-13 17:35:57,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:35:57,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2022-12-13 17:35:57,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:35:57,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2022-12-13 17:35:57,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:35:57,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:35:57,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:35:57,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2022-12-13 17:35:57,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:35:57,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2022-12-13 17:35:57,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:35:57,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2022-12-13 17:35:57,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:35:57,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:35:57,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:35:57,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 17:35:57,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:35:58,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-12-13 17:35:58,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:35:58,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2022-12-13 17:35:58,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:35:58,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:35:58,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:35:58,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 17:35:58,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:35:58,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-12-13 17:35:58,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:35:58,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2022-12-13 17:35:58,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:35:58,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2022-12-13 17:35:58,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:35:58,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2022-12-13 17:35:58,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:35:58,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-12-13 17:35:58,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:35:58,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 281 [2022-12-13 17:35:58,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:35:58,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:35:58,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:35:58,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 293 [2022-12-13 17:35:58,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:35:58,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 304 [2022-12-13 17:35:58,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:35:58,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 309 [2022-12-13 17:35:58,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:35:58,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-12-13 17:35:58,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:35:58,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-12-13 17:35:58,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:35:58,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-12-13 17:35:58,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:35:58,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 339 [2022-12-13 17:35:58,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:35:58,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:35:58,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:35:58,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:35:58,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:35:58,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-12-13 17:35:58,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:35:58,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-12-13 17:35:58,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:35:58,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 363 [2022-12-13 17:35:58,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:35:58,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 369 [2022-12-13 17:35:58,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:35:58,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 375 [2022-12-13 17:35:58,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:35:58,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 388 [2022-12-13 17:35:58,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:35:58,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:35:58,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:35:58,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 400 [2022-12-13 17:35:58,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:35:58,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 407 [2022-12-13 17:35:58,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:35:58,198 INFO L134 CoverageAnalysis]: Checked inductivity of 862 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 826 trivial. 0 not checked. [2022-12-13 17:35:58,198 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 17:35:58,199 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [815769349] [2022-12-13 17:35:58,199 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [815769349] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 17:35:58,199 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 17:35:58,199 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-13 17:35:58,199 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1249388674] [2022-12-13 17:35:58,199 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 17:35:58,200 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-13 17:35:58,200 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 17:35:58,200 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-13 17:35:58,200 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-13 17:35:58,200 INFO L87 Difference]: Start difference. First operand 69398 states and 93117 transitions. Second operand has 5 states, 5 states have (on average 42.8) internal successors, (214), 3 states have internal predecessors, (214), 3 states have call successors, (44), 4 states have call predecessors, (44), 1 states have return successors, (42), 3 states have call predecessors, (42), 3 states have call successors, (42) [2022-12-13 17:36:18,724 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 17:36:18,724 INFO L93 Difference]: Finished difference Result 166361 states and 228103 transitions. [2022-12-13 17:36:18,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-12-13 17:36:18,725 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 42.8) internal successors, (214), 3 states have internal predecessors, (214), 3 states have call successors, (44), 4 states have call predecessors, (44), 1 states have return successors, (42), 3 states have call predecessors, (42), 3 states have call successors, (42) Word has length 425 [2022-12-13 17:36:18,725 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 17:36:19,025 INFO L225 Difference]: With dead ends: 166361 [2022-12-13 17:36:19,025 INFO L226 Difference]: Without dead ends: 96981 [2022-12-13 17:36:19,181 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 117 GetRequests, 110 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2022-12-13 17:36:19,181 INFO L413 NwaCegarLoop]: 4175 mSDtfsCounter, 3798 mSDsluCounter, 6043 mSDsCounter, 0 mSdLazyCounter, 6989 mSolverCounterSat, 2244 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4226 SdHoareTripleChecker+Valid, 10218 SdHoareTripleChecker+Invalid, 9233 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2244 IncrementalHoareTripleChecker+Valid, 6989 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.9s IncrementalHoareTripleChecker+Time [2022-12-13 17:36:19,182 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4226 Valid, 10218 Invalid, 9233 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2244 Valid, 6989 Invalid, 0 Unknown, 0 Unchecked, 10.9s Time] [2022-12-13 17:36:19,254 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96981 states. [2022-12-13 17:36:27,283 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96981 to 82577. [2022-12-13 17:36:27,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 82577 states, 57386 states have (on average 1.2540689366744502) internal successors, (71966), 59223 states have internal predecessors, (71966), 19175 states have call successors, (19175), 6017 states have call predecessors, (19175), 6014 states have return successors, (19415), 18373 states have call predecessors, (19415), 19175 states have call successors, (19415) [2022-12-13 17:36:27,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82577 states to 82577 states and 110556 transitions. [2022-12-13 17:36:27,634 INFO L78 Accepts]: Start accepts. Automaton has 82577 states and 110556 transitions. Word has length 425 [2022-12-13 17:36:27,634 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 17:36:27,634 INFO L495 AbstractCegarLoop]: Abstraction has 82577 states and 110556 transitions. [2022-12-13 17:36:27,635 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 42.8) internal successors, (214), 3 states have internal predecessors, (214), 3 states have call successors, (44), 4 states have call predecessors, (44), 1 states have return successors, (42), 3 states have call predecessors, (42), 3 states have call successors, (42) [2022-12-13 17:36:27,635 INFO L276 IsEmpty]: Start isEmpty. Operand 82577 states and 110556 transitions. [2022-12-13 17:36:27,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 426 [2022-12-13 17:36:27,651 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 17:36:27,652 INFO L195 NwaCegarLoop]: trace histogram [17, 17, 12, 12, 12, 7, 7, 7, 7, 7, 7, 4, 4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 17:36:27,652 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-12-13 17:36:27,652 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-12-13 17:36:27,652 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 17:36:27,652 INFO L85 PathProgramCache]: Analyzing trace with hash -139156291, now seen corresponding path program 1 times [2022-12-13 17:36:27,652 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 17:36:27,652 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [645267433] [2022-12-13 17:36:27,652 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 17:36:27,652 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 17:36:27,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:36:28,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-12-13 17:36:28,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:36:28,202 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:36:28,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:36:28,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-12-13 17:36:28,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:36:28,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:36:28,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:36:28,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-12-13 17:36:28,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:36:28,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:36:28,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:36:28,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-12-13 17:36:28,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:36:28,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:36:28,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:36:28,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-12-13 17:36:28,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:36:28,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:36:28,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:36:28,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-12-13 17:36:28,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:36:28,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:36:28,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:36:28,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-12-13 17:36:28,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:36:28,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2022-12-13 17:36:28,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:36:28,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2022-12-13 17:36:28,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:36:28,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-12-13 17:36:28,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:36:28,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2022-12-13 17:36:28,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:36:28,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2022-12-13 17:36:28,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:36:28,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:36:28,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:36:28,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2022-12-13 17:36:28,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:36:28,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2022-12-13 17:36:28,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:36:28,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2022-12-13 17:36:28,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:36:28,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:36:28,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:36:28,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 17:36:28,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:36:28,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-12-13 17:36:28,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:36:28,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2022-12-13 17:36:28,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:36:28,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:36:28,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:36:28,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 17:36:28,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:36:28,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-12-13 17:36:28,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:36:28,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2022-12-13 17:36:28,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:36:28,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2022-12-13 17:36:28,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:36:28,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2022-12-13 17:36:28,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:36:28,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-12-13 17:36:28,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:36:28,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 281 [2022-12-13 17:36:28,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:36:28,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:36:28,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:36:28,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 293 [2022-12-13 17:36:28,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:36:28,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 304 [2022-12-13 17:36:28,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:36:28,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 309 [2022-12-13 17:36:28,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:36:28,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-12-13 17:36:28,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:36:28,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-12-13 17:36:28,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:36:28,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-12-13 17:36:28,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:36:28,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 339 [2022-12-13 17:36:28,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:36:28,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:36:28,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:36:28,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:36:28,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:36:28,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-12-13 17:36:28,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:36:28,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-12-13 17:36:28,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:36:28,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 363 [2022-12-13 17:36:28,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:36:28,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 369 [2022-12-13 17:36:28,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:36:28,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 375 [2022-12-13 17:36:28,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:36:28,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 388 [2022-12-13 17:36:28,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:36:28,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:36:28,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:36:28,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 400 [2022-12-13 17:36:28,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:36:28,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 407 [2022-12-13 17:36:28,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:36:28,539 INFO L134 CoverageAnalysis]: Checked inductivity of 862 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 850 trivial. 0 not checked. [2022-12-13 17:36:28,539 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 17:36:28,539 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [645267433] [2022-12-13 17:36:28,539 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [645267433] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 17:36:28,539 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 17:36:28,539 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-13 17:36:28,539 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [675679028] [2022-12-13 17:36:28,539 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 17:36:28,540 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-13 17:36:28,540 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 17:36:28,540 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-13 17:36:28,540 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-13 17:36:28,540 INFO L87 Difference]: Start difference. First operand 82577 states and 110556 transitions. Second operand has 5 states, 5 states have (on average 39.0) internal successors, (195), 3 states have internal predecessors, (195), 3 states have call successors, (43), 4 states have call predecessors, (43), 1 states have return successors, (41), 3 states have call predecessors, (41), 3 states have call successors, (41) [2022-12-13 17:36:44,880 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 17:36:44,880 INFO L93 Difference]: Finished difference Result 179442 states and 245296 transitions. [2022-12-13 17:36:44,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-13 17:36:44,881 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 39.0) internal successors, (195), 3 states have internal predecessors, (195), 3 states have call successors, (43), 4 states have call predecessors, (43), 1 states have return successors, (41), 3 states have call predecessors, (41), 3 states have call successors, (41) Word has length 425 [2022-12-13 17:36:44,881 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 17:36:45,184 INFO L225 Difference]: With dead ends: 179442 [2022-12-13 17:36:45,185 INFO L226 Difference]: Without dead ends: 96973 [2022-12-13 17:36:45,358 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 114 GetRequests, 108 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-12-13 17:36:45,359 INFO L413 NwaCegarLoop]: 2393 mSDtfsCounter, 4247 mSDsluCounter, 2363 mSDsCounter, 0 mSdLazyCounter, 2934 mSolverCounterSat, 2066 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4706 SdHoareTripleChecker+Valid, 4756 SdHoareTripleChecker+Invalid, 5000 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2066 IncrementalHoareTripleChecker+Valid, 2934 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.0s IncrementalHoareTripleChecker+Time [2022-12-13 17:36:45,359 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4706 Valid, 4756 Invalid, 5000 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2066 Valid, 2934 Invalid, 0 Unknown, 0 Unchecked, 6.0s Time] [2022-12-13 17:36:45,435 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96973 states. [2022-12-13 17:36:53,510 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96973 to 82577. [2022-12-13 17:36:53,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 82577 states, 57386 states have (on average 1.2538598264385041) internal successors, (71954), 59223 states have internal predecessors, (71954), 19175 states have call successors, (19175), 6017 states have call predecessors, (19175), 6014 states have return successors, (19415), 18373 states have call predecessors, (19415), 19175 states have call successors, (19415) [2022-12-13 17:36:53,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82577 states to 82577 states and 110544 transitions. [2022-12-13 17:36:53,817 INFO L78 Accepts]: Start accepts. Automaton has 82577 states and 110544 transitions. Word has length 425 [2022-12-13 17:36:53,818 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 17:36:53,818 INFO L495 AbstractCegarLoop]: Abstraction has 82577 states and 110544 transitions. [2022-12-13 17:36:53,818 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 39.0) internal successors, (195), 3 states have internal predecessors, (195), 3 states have call successors, (43), 4 states have call predecessors, (43), 1 states have return successors, (41), 3 states have call predecessors, (41), 3 states have call successors, (41) [2022-12-13 17:36:53,818 INFO L276 IsEmpty]: Start isEmpty. Operand 82577 states and 110544 transitions. [2022-12-13 17:36:53,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 429 [2022-12-13 17:36:53,836 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 17:36:53,836 INFO L195 NwaCegarLoop]: trace histogram [15, 15, 8, 8, 8, 7, 7, 7, 7, 7, 7, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 17:36:53,836 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2022-12-13 17:36:53,836 INFO L420 AbstractCegarLoop]: === Iteration 22 === 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 17:36:53,837 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 17:36:53,837 INFO L85 PathProgramCache]: Analyzing trace with hash -1352632328, now seen corresponding path program 1 times [2022-12-13 17:36:53,837 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 17:36:53,837 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1804559204] [2022-12-13 17:36:53,837 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 17:36:53,837 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 17:36:53,969 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-12-13 17:36:53,970 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [568482918] [2022-12-13 17:36:53,970 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 17:36:53,970 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 17:36:53,970 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8f4d012-2063-49e2-bff7-c10e884937b6/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 17:36:53,971 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8f4d012-2063-49e2-bff7-c10e884937b6/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 17:36:53,971 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8f4d012-2063-49e2-bff7-c10e884937b6/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-12-13 17:36:55,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:36:55,267 INFO L263 TraceCheckSpWp]: Trace formula consists of 9332 conjuncts, 2 conjunts are in the unsatisfiable core [2022-12-13 17:36:55,276 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 17:36:55,310 INFO L134 CoverageAnalysis]: Checked inductivity of 632 backedges. 215 proven. 0 refuted. 0 times theorem prover too weak. 417 trivial. 0 not checked. [2022-12-13 17:36:55,311 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 17:36:55,311 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 17:36:55,311 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1804559204] [2022-12-13 17:36:55,311 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-12-13 17:36:55,311 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [568482918] [2022-12-13 17:36:55,311 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [568482918] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 17:36:55,311 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 17:36:55,311 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 17:36:55,312 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [575877386] [2022-12-13 17:36:55,312 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 17:36:55,313 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 17:36:55,313 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 17:36:55,313 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 17:36:55,313 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 17:36:55,314 INFO L87 Difference]: Start difference. First operand 82577 states and 110544 transitions. Second operand has 3 states, 3 states have (on average 74.33333333333333) internal successors, (223), 3 states have internal predecessors, (223), 3 states have call successors, (54), 3 states have call predecessors, (54), 3 states have return successors, (49), 3 states have call predecessors, (49), 3 states have call successors, (49) [2022-12-13 17:37:05,328 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 17:37:05,328 INFO L93 Difference]: Finished difference Result 181358 states and 242676 transitions. [2022-12-13 17:37:05,329 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 17:37:05,329 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 74.33333333333333) internal successors, (223), 3 states have internal predecessors, (223), 3 states have call successors, (54), 3 states have call predecessors, (54), 3 states have return successors, (49), 3 states have call predecessors, (49), 3 states have call successors, (49) Word has length 428 [2022-12-13 17:37:05,329 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 17:37:05,635 INFO L225 Difference]: With dead ends: 181358 [2022-12-13 17:37:05,636 INFO L226 Difference]: Without dead ends: 98889 [2022-12-13 17:37:05,806 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 427 GetRequests, 426 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 17:37:05,807 INFO L413 NwaCegarLoop]: 5037 mSDtfsCounter, 3036 mSDsluCounter, 2747 mSDsCounter, 0 mSdLazyCounter, 64 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3036 SdHoareTripleChecker+Valid, 7784 SdHoareTripleChecker+Invalid, 84 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 64 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-12-13 17:37:05,807 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3036 Valid, 7784 Invalid, 84 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 64 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-12-13 17:37:05,878 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 98889 states. [2022-12-13 17:37:16,335 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 98889 to 98881. [2022-12-13 17:37:16,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 98881 states, 68638 states have (on average 1.2524694775488796) internal successors, (85967), 70815 states have internal predecessors, (85967), 22952 states have call successors, (22952), 7298 states have call predecessors, (22952), 7289 states have return successors, (23198), 22008 states have call predecessors, (23198), 22952 states have call successors, (23198) [2022-12-13 17:37:16,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98881 states to 98881 states and 132117 transitions. [2022-12-13 17:37:16,688 INFO L78 Accepts]: Start accepts. Automaton has 98881 states and 132117 transitions. Word has length 428 [2022-12-13 17:37:16,688 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 17:37:16,688 INFO L495 AbstractCegarLoop]: Abstraction has 98881 states and 132117 transitions. [2022-12-13 17:37:16,688 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 74.33333333333333) internal successors, (223), 3 states have internal predecessors, (223), 3 states have call successors, (54), 3 states have call predecessors, (54), 3 states have return successors, (49), 3 states have call predecessors, (49), 3 states have call successors, (49) [2022-12-13 17:37:16,689 INFO L276 IsEmpty]: Start isEmpty. Operand 98881 states and 132117 transitions. [2022-12-13 17:37:16,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 438 [2022-12-13 17:37:16,705 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 17:37:16,705 INFO L195 NwaCegarLoop]: trace histogram [17, 17, 12, 12, 12, 7, 7, 7, 7, 7, 7, 4, 4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 17:37:16,726 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8f4d012-2063-49e2-bff7-c10e884937b6/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2022-12-13 17:37:16,906 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8f4d012-2063-49e2-bff7-c10e884937b6/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable21 [2022-12-13 17:37:16,907 INFO L420 AbstractCegarLoop]: === Iteration 23 === 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 17:37:16,908 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 17:37:16,909 INFO L85 PathProgramCache]: Analyzing trace with hash -904521531, now seen corresponding path program 1 times [2022-12-13 17:37:16,909 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 17:37:16,909 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [8430266] [2022-12-13 17:37:16,910 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 17:37:16,910 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 17:37:17,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:37:17,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-12-13 17:37:17,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:37:17,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:37:17,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:37:17,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-12-13 17:37:17,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:37:17,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:37:17,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:37:17,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-12-13 17:37:17,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:37:17,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:37:17,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:37:17,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-12-13 17:37:17,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:37:17,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:37:17,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:37:17,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-12-13 17:37:17,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:37:17,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:37:17,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:37:17,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-12-13 17:37:17,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:37:17,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:37:17,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:37:17,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-12-13 17:37:17,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:37:17,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2022-12-13 17:37:17,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:37:17,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2022-12-13 17:37:17,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:37:17,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-12-13 17:37:17,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:37:17,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2022-12-13 17:37:17,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:37:17,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2022-12-13 17:37:17,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:37:17,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:37:17,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:37:17,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2022-12-13 17:37:17,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:37:17,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2022-12-13 17:37:17,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:37:17,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2022-12-13 17:37:17,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:37:17,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:37:17,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:37:17,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 17:37:17,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:37:17,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-12-13 17:37:17,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:37:17,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2022-12-13 17:37:17,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:37:17,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:37:17,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:37:17,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 17:37:17,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:37:17,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-12-13 17:37:17,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:37:17,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2022-12-13 17:37:17,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:37:17,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2022-12-13 17:37:17,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:37:17,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2022-12-13 17:37:17,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:37:17,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-12-13 17:37:17,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:37:17,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2022-12-13 17:37:17,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:37:17,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 276 [2022-12-13 17:37:17,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:37:17,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 293 [2022-12-13 17:37:17,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:37:17,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:37:17,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:37:17,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 305 [2022-12-13 17:37:17,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:37:17,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 316 [2022-12-13 17:37:17,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:37:17,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 321 [2022-12-13 17:37:17,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:37:17,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-12-13 17:37:17,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:37:17,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-12-13 17:37:17,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:37:17,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-12-13 17:37:17,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:37:17,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 351 [2022-12-13 17:37:17,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:37:17,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:37:17,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:37:17,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:37:17,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:37:17,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-12-13 17:37:17,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:37:17,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-12-13 17:37:17,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:37:17,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 375 [2022-12-13 17:37:17,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:37:17,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 381 [2022-12-13 17:37:17,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:37:17,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 387 [2022-12-13 17:37:17,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:37:17,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 400 [2022-12-13 17:37:17,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:37:17,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:37:17,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:37:17,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 412 [2022-12-13 17:37:17,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:37:17,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 419 [2022-12-13 17:37:17,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:37:17,701 INFO L134 CoverageAnalysis]: Checked inductivity of 866 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 854 trivial. 0 not checked. [2022-12-13 17:37:17,701 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 17:37:17,701 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [8430266] [2022-12-13 17:37:17,701 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [8430266] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 17:37:17,701 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 17:37:17,701 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-13 17:37:17,701 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1012425023] [2022-12-13 17:37:17,701 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 17:37:17,702 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-13 17:37:17,702 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 17:37:17,702 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-13 17:37:17,702 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-13 17:37:17,702 INFO L87 Difference]: Start difference. First operand 98881 states and 132117 transitions. Second operand has 5 states, 5 states have (on average 40.0) internal successors, (200), 3 states have internal predecessors, (200), 2 states have call successors, (45), 4 states have call predecessors, (45), 1 states have return successors, (43), 2 states have call predecessors, (43), 2 states have call successors, (43) [2022-12-13 17:37:37,116 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 17:37:37,116 INFO L93 Difference]: Finished difference Result 214840 states and 293050 transitions. [2022-12-13 17:37:37,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-13 17:37:37,117 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 40.0) internal successors, (200), 3 states have internal predecessors, (200), 2 states have call successors, (45), 4 states have call predecessors, (45), 1 states have return successors, (43), 2 states have call predecessors, (43), 2 states have call successors, (43) Word has length 437 [2022-12-13 17:37:37,117 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 17:37:37,505 INFO L225 Difference]: With dead ends: 214840 [2022-12-13 17:37:37,505 INFO L226 Difference]: Without dead ends: 116067 [2022-12-13 17:37:37,724 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 115 GetRequests, 111 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-12-13 17:37:37,724 INFO L413 NwaCegarLoop]: 2420 mSDtfsCounter, 1568 mSDsluCounter, 4365 mSDsCounter, 0 mSdLazyCounter, 4446 mSolverCounterSat, 1513 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1647 SdHoareTripleChecker+Valid, 6785 SdHoareTripleChecker+Invalid, 5959 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1513 IncrementalHoareTripleChecker+Valid, 4446 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.4s IncrementalHoareTripleChecker+Time [2022-12-13 17:37:37,725 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1647 Valid, 6785 Invalid, 5959 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1513 Valid, 4446 Invalid, 0 Unknown, 0 Unchecked, 6.4s Time] [2022-12-13 17:37:37,811 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 116067 states. [2022-12-13 17:37:47,513 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 116067 to 98893. [2022-12-13 17:37:47,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 98893 states, 68650 states have (on average 1.2524253459577568) internal successors, (85979), 70827 states have internal predecessors, (85979), 22952 states have call successors, (22952), 7298 states have call predecessors, (22952), 7289 states have return successors, (23198), 22008 states have call predecessors, (23198), 22952 states have call successors, (23198) [2022-12-13 17:37:47,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98893 states to 98893 states and 132129 transitions. [2022-12-13 17:37:47,888 INFO L78 Accepts]: Start accepts. Automaton has 98893 states and 132129 transitions. Word has length 437 [2022-12-13 17:37:47,888 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 17:37:47,888 INFO L495 AbstractCegarLoop]: Abstraction has 98893 states and 132129 transitions. [2022-12-13 17:37:47,889 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 40.0) internal successors, (200), 3 states have internal predecessors, (200), 2 states have call successors, (45), 4 states have call predecessors, (45), 1 states have return successors, (43), 2 states have call predecessors, (43), 2 states have call successors, (43) [2022-12-13 17:37:47,889 INFO L276 IsEmpty]: Start isEmpty. Operand 98893 states and 132129 transitions. [2022-12-13 17:37:47,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 438 [2022-12-13 17:37:47,905 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 17:37:47,905 INFO L195 NwaCegarLoop]: trace histogram [17, 17, 12, 12, 12, 7, 7, 7, 7, 7, 7, 4, 4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 17:37:47,906 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2022-12-13 17:37:47,906 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-12-13 17:37:47,906 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 17:37:47,906 INFO L85 PathProgramCache]: Analyzing trace with hash -1827688957, now seen corresponding path program 1 times [2022-12-13 17:37:47,906 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 17:37:47,906 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [366515610] [2022-12-13 17:37:47,906 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 17:37:47,906 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 17:37:48,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:37:49,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-12-13 17:37:49,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:37:49,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:37:49,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:37:49,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-12-13 17:37:49,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:37:49,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:37:49,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:37:49,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-12-13 17:37:49,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:37:49,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:37:49,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:37:49,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-12-13 17:37:49,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:37:49,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:37:49,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:37:49,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-12-13 17:37:49,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:37:49,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:37:49,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:37:49,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-12-13 17:37:49,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:37:49,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:37:49,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:37:49,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-12-13 17:37:49,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:37:49,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2022-12-13 17:37:49,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:37:49,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2022-12-13 17:37:49,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:37:49,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-12-13 17:37:49,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:37:49,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2022-12-13 17:37:49,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:37:49,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2022-12-13 17:37:49,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:37:49,259 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:37:49,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:37:49,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2022-12-13 17:37:49,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:37:49,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2022-12-13 17:37:49,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:37:49,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2022-12-13 17:37:49,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:37:49,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:37:49,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:37:49,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 17:37:49,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:37:49,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-12-13 17:37:49,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:37:49,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2022-12-13 17:37:49,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:37:49,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:37:49,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:37:49,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 17:37:49,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:37:49,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-12-13 17:37:49,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:37:49,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2022-12-13 17:37:49,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:37:49,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2022-12-13 17:37:49,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:37:49,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2022-12-13 17:37:49,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:37:49,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-12-13 17:37:49,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:37:49,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2022-12-13 17:37:49,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:37:49,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 276 [2022-12-13 17:37:49,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:37:49,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 293 [2022-12-13 17:37:49,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:37:49,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:37:49,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:37:49,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 305 [2022-12-13 17:37:49,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:37:49,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 316 [2022-12-13 17:37:49,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:37:49,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 321 [2022-12-13 17:37:49,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:37:49,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-12-13 17:37:49,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:37:49,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-12-13 17:37:49,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:37:49,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-12-13 17:37:49,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:37:49,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 351 [2022-12-13 17:37:49,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:37:49,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:37:49,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:37:49,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:37:49,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:37:49,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-12-13 17:37:49,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:37:49,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-12-13 17:37:49,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:37:49,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 375 [2022-12-13 17:37:49,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:37:49,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 381 [2022-12-13 17:37:49,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:37:49,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 387 [2022-12-13 17:37:49,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:37:49,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 400 [2022-12-13 17:37:49,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:37:49,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:37:49,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:37:49,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 412 [2022-12-13 17:37:49,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:37:49,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 419 [2022-12-13 17:37:49,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:37:49,535 INFO L134 CoverageAnalysis]: Checked inductivity of 866 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 866 trivial. 0 not checked. [2022-12-13 17:37:49,535 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 17:37:49,535 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [366515610] [2022-12-13 17:37:49,535 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [366515610] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 17:37:49,535 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 17:37:49,535 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-12-13 17:37:49,535 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1070607058] [2022-12-13 17:37:49,535 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 17:37:49,536 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-12-13 17:37:49,536 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 17:37:49,536 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-12-13 17:37:49,536 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-12-13 17:37:49,536 INFO L87 Difference]: Start difference. First operand 98893 states and 132129 transitions. Second operand has 7 states, 7 states have (on average 28.142857142857142) internal successors, (197), 4 states have internal predecessors, (197), 2 states have call successors, (44), 5 states have call predecessors, (44), 1 states have return successors, (42), 2 states have call predecessors, (42), 2 states have call successors, (42) [2022-12-13 17:38:09,009 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 17:38:09,010 INFO L93 Difference]: Finished difference Result 116067 states and 161055 transitions. [2022-12-13 17:38:09,010 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-12-13 17:38:09,010 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 28.142857142857142) internal successors, (197), 4 states have internal predecessors, (197), 2 states have call successors, (44), 5 states have call predecessors, (44), 1 states have return successors, (42), 2 states have call predecessors, (42), 2 states have call successors, (42) Word has length 437 [2022-12-13 17:38:09,011 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 17:38:09,375 INFO L225 Difference]: With dead ends: 116067 [2022-12-13 17:38:09,375 INFO L226 Difference]: Without dead ends: 116065 [2022-12-13 17:38:09,416 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 125 GetRequests, 114 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=53, Invalid=103, Unknown=0, NotChecked=0, Total=156 [2022-12-13 17:38:09,417 INFO L413 NwaCegarLoop]: 2421 mSDtfsCounter, 4062 mSDsluCounter, 6810 mSDsCounter, 0 mSdLazyCounter, 6711 mSolverCounterSat, 2197 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4382 SdHoareTripleChecker+Valid, 9231 SdHoareTripleChecker+Invalid, 8908 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2197 IncrementalHoareTripleChecker+Valid, 6711 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.5s IncrementalHoareTripleChecker+Time [2022-12-13 17:38:09,417 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4382 Valid, 9231 Invalid, 8908 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2197 Valid, 6711 Invalid, 0 Unknown, 0 Unchecked, 7.5s Time] [2022-12-13 17:38:09,501 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 116065 states. [2022-12-13 17:38:19,830 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 116065 to 98891. [2022-12-13 17:38:19,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 98891 states, 68649 states have (on average 1.2515113111625806) internal successors, (85915), 70825 states have internal predecessors, (85915), 22952 states have call successors, (22952), 7298 states have call predecessors, (22952), 7289 states have return successors, (23198), 22008 states have call predecessors, (23198), 22952 states have call successors, (23198) [2022-12-13 17:38:20,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98891 states to 98891 states and 132065 transitions. [2022-12-13 17:38:20,208 INFO L78 Accepts]: Start accepts. Automaton has 98891 states and 132065 transitions. Word has length 437 [2022-12-13 17:38:20,208 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 17:38:20,208 INFO L495 AbstractCegarLoop]: Abstraction has 98891 states and 132065 transitions. [2022-12-13 17:38:20,208 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 28.142857142857142) internal successors, (197), 4 states have internal predecessors, (197), 2 states have call successors, (44), 5 states have call predecessors, (44), 1 states have return successors, (42), 2 states have call predecessors, (42), 2 states have call successors, (42) [2022-12-13 17:38:20,209 INFO L276 IsEmpty]: Start isEmpty. Operand 98891 states and 132065 transitions. [2022-12-13 17:38:20,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 464 [2022-12-13 17:38:20,230 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 17:38:20,230 INFO L195 NwaCegarLoop]: trace histogram [17, 17, 13, 13, 13, 7, 7, 7, 7, 7, 7, 4, 4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 17:38:20,230 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2022-12-13 17:38:20,230 INFO L420 AbstractCegarLoop]: === Iteration 25 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_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 17:38:20,230 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 17:38:20,231 INFO L85 PathProgramCache]: Analyzing trace with hash 716143919, now seen corresponding path program 1 times [2022-12-13 17:38:20,231 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 17:38:20,231 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2017405617] [2022-12-13 17:38:20,231 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 17:38:20,231 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 17:38:20,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:38:21,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-12-13 17:38:21,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:38:21,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:38:21,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:38:21,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-12-13 17:38:21,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:38:21,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:38:21,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:38:21,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-12-13 17:38:21,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:38:21,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:38:21,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:38:21,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-12-13 17:38:21,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:38:21,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:38:21,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:38:21,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-12-13 17:38:21,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:38:21,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:38:21,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:38:21,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-12-13 17:38:21,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:38:21,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:38:21,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:38:21,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-12-13 17:38:21,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:38:21,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2022-12-13 17:38:21,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:38:21,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2022-12-13 17:38:21,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:38:21,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-12-13 17:38:21,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:38:21,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2022-12-13 17:38:21,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:38:21,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2022-12-13 17:38:21,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:38:21,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:38:21,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:38:21,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2022-12-13 17:38:21,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:38:21,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2022-12-13 17:38:21,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:38:21,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2022-12-13 17:38:21,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:38:21,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:38:21,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:38:21,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 17:38:21,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:38:21,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-12-13 17:38:21,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:38:21,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2022-12-13 17:38:21,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:38:21,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:38:21,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:38:21,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 17:38:21,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:38:21,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-12-13 17:38:21,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:38:21,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2022-12-13 17:38:21,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:38:21,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2022-12-13 17:38:21,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:38:21,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2022-12-13 17:38:21,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:38:21,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-12-13 17:38:21,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:38:21,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2022-12-13 17:38:21,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:38:21,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 276 [2022-12-13 17:38:21,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:38:21,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 293 [2022-12-13 17:38:21,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:38:21,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:38:21,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:38:21,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 305 [2022-12-13 17:38:21,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:38:21,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 316 [2022-12-13 17:38:21,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:38:21,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 321 [2022-12-13 17:38:21,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:38:21,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-12-13 17:38:21,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:38:21,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-12-13 17:38:21,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:38:21,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-12-13 17:38:21,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:38:21,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 351 [2022-12-13 17:38:21,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:38:21,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:38:21,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:38:21,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:38:21,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:38:21,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-12-13 17:38:21,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:38:21,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-12-13 17:38:21,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:38:21,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 375 [2022-12-13 17:38:21,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:38:21,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 381 [2022-12-13 17:38:21,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:38:21,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 387 [2022-12-13 17:38:21,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:38:21,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 400 [2022-12-13 17:38:21,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:38:21,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:38:21,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:38:21,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 412 [2022-12-13 17:38:21,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:38:21,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 419 [2022-12-13 17:38:21,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:38:21,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 432 [2022-12-13 17:38:21,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:38:21,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-12-13 17:38:21,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:38:21,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-12-13 17:38:21,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:38:21,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 450 [2022-12-13 17:38:21,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:38:21,646 INFO L134 CoverageAnalysis]: Checked inductivity of 917 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 917 trivial. 0 not checked. [2022-12-13 17:38:21,646 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 17:38:21,646 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2017405617] [2022-12-13 17:38:21,646 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2017405617] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 17:38:21,646 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 17:38:21,646 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-12-13 17:38:21,646 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [946789544] [2022-12-13 17:38:21,647 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 17:38:21,647 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-12-13 17:38:21,647 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 17:38:21,647 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-12-13 17:38:21,647 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2022-12-13 17:38:21,648 INFO L87 Difference]: Start difference. First operand 98891 states and 132065 transitions. Second operand has 8 states, 7 states have (on average 29.857142857142858) internal successors, (209), 4 states have internal predecessors, (209), 3 states have call successors, (49), 6 states have call predecessors, (49), 2 states have return successors, (46), 2 states have call predecessors, (46), 3 states have call successors, (46) [2022-12-13 17:38:45,486 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 17:38:45,486 INFO L93 Difference]: Finished difference Result 128065 states and 182261 transitions. [2022-12-13 17:38:45,487 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-12-13 17:38:45,487 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 29.857142857142858) internal successors, (209), 4 states have internal predecessors, (209), 3 states have call successors, (49), 6 states have call predecessors, (49), 2 states have return successors, (46), 2 states have call predecessors, (46), 3 states have call successors, (46) Word has length 463 [2022-12-13 17:38:45,487 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 17:38:45,499 INFO L225 Difference]: With dead ends: 128065 [2022-12-13 17:38:45,499 INFO L226 Difference]: Without dead ends: 0 [2022-12-13 17:38:45,776 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 143 GetRequests, 126 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 53 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=105, Invalid=237, Unknown=0, NotChecked=0, Total=342 [2022-12-13 17:38:45,777 INFO L413 NwaCegarLoop]: 2077 mSDtfsCounter, 3815 mSDsluCounter, 8186 mSDsCounter, 0 mSdLazyCounter, 10291 mSolverCounterSat, 3035 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4133 SdHoareTripleChecker+Valid, 10263 SdHoareTripleChecker+Invalid, 13326 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3035 IncrementalHoareTripleChecker+Valid, 10291 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.9s IncrementalHoareTripleChecker+Time [2022-12-13 17:38:45,777 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4133 Valid, 10263 Invalid, 13326 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3035 Valid, 10291 Invalid, 0 Unknown, 0 Unchecked, 9.9s Time] [2022-12-13 17:38:45,777 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-12-13 17:38:45,777 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-12-13 17:38:45,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 17:38:45,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-12-13 17:38:45,785 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 463 [2022-12-13 17:38:45,786 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 17:38:45,786 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-12-13 17:38:45,786 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 29.857142857142858) internal successors, (209), 4 states have internal predecessors, (209), 3 states have call successors, (49), 6 states have call predecessors, (49), 2 states have return successors, (46), 2 states have call predecessors, (46), 3 states have call successors, (46) [2022-12-13 17:38:45,786 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-12-13 17:38:45,786 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-12-13 17:38:45,788 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 3 remaining) [2022-12-13 17:38:45,788 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (1 of 3 remaining) [2022-12-13 17:38:45,788 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 3 remaining) [2022-12-13 17:38:45,788 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2022-12-13 17:38:45,790 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.