./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-ethernet-natsemi-ns83820.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_478b2d3d-8428-4f62-97e3-4a024aa72c28/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_478b2d3d-8428-4f62-97e3-4a024aa72c28/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_478b2d3d-8428-4f62-97e3-4a024aa72c28/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_478b2d3d-8428-4f62-97e3-4a024aa72c28/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-ethernet-natsemi-ns83820.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_478b2d3d-8428-4f62-97e3-4a024aa72c28/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_478b2d3d-8428-4f62-97e3-4a024aa72c28/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 a8ab8b9c7011aec39f84a1ecf826f202398208cb106ea4649e1adfd1ea4d4076 --- 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 12:07:57,729 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 12:07:57,731 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 12:07:57,743 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 12:07:57,744 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 12:07:57,744 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 12:07:57,745 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 12:07:57,746 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 12:07:57,747 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 12:07:57,748 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 12:07:57,749 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 12:07:57,749 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 12:07:57,750 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 12:07:57,750 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 12:07:57,751 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 12:07:57,752 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 12:07:57,752 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 12:07:57,753 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 12:07:57,754 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 12:07:57,755 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 12:07:57,755 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 12:07:57,756 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 12:07:57,757 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 12:07:57,758 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 12:07:57,759 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 12:07:57,760 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 12:07:57,760 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 12:07:57,761 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 12:07:57,761 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 12:07:57,761 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 12:07:57,762 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 12:07:57,762 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 12:07:57,763 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 12:07:57,763 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 12:07:57,764 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 12:07:57,764 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 12:07:57,764 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 12:07:57,765 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 12:07:57,765 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 12:07:57,765 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 12:07:57,766 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 12:07:57,766 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_478b2d3d-8428-4f62-97e3-4a024aa72c28/bin/uautomizer-uyxdKDjOR8/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-12-13 12:07:57,780 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 12:07:57,781 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 12:07:57,781 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 12:07:57,781 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 12:07:57,781 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-13 12:07:57,781 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-13 12:07:57,782 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 12:07:57,782 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 12:07:57,782 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 12:07:57,782 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 12:07:57,782 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-13 12:07:57,783 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 12:07:57,783 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-13 12:07:57,783 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-13 12:07:57,783 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-13 12:07:57,783 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 12:07:57,783 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 12:07:57,783 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-13 12:07:57,783 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 12:07:57,784 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 12:07:57,784 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-13 12:07:57,784 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 12:07:57,784 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 12:07:57,784 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-13 12:07:57,785 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-13 12:07:57,785 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-13 12:07:57,785 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-13 12:07:57,785 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-12-13 12:07:57,785 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-13 12:07:57,785 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-12-13 12:07:57,785 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-13 12:07:57,786 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2022-12-13 12:07:57,786 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_478b2d3d-8428-4f62-97e3-4a024aa72c28/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_478b2d3d-8428-4f62-97e3-4a024aa72c28/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a8ab8b9c7011aec39f84a1ecf826f202398208cb106ea4649e1adfd1ea4d4076 [2022-12-13 12:07:57,991 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 12:07:58,009 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 12:07:58,012 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 12:07:58,013 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 12:07:58,013 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 12:07:58,014 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_478b2d3d-8428-4f62-97e3-4a024aa72c28/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-natsemi-ns83820.cil.i [2022-12-13 12:08:00,685 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 12:08:01,105 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 12:08:01,106 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_478b2d3d-8428-4f62-97e3-4a024aa72c28/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-natsemi-ns83820.cil.i [2022-12-13 12:08:01,149 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_478b2d3d-8428-4f62-97e3-4a024aa72c28/bin/uautomizer-uyxdKDjOR8/data/7dbf4c75c/a4278cf9f102487e8e340ab8a66cef8b/FLAG698696274 [2022-12-13 12:08:01,161 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_478b2d3d-8428-4f62-97e3-4a024aa72c28/bin/uautomizer-uyxdKDjOR8/data/7dbf4c75c/a4278cf9f102487e8e340ab8a66cef8b [2022-12-13 12:08:01,164 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 12:08:01,165 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 12:08:01,167 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 12:08:01,167 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 12:08:01,170 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 12:08:01,170 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 12:08:01" (1/1) ... [2022-12-13 12:08:01,171 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@68e81870 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:08:01, skipping insertion in model container [2022-12-13 12:08:01,171 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 12:08:01" (1/1) ... [2022-12-13 12:08:01,178 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 12:08:01,279 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 12:08:01,886 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock [2022-12-13 12:08:01,896 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irq [2022-12-13 12:08:01,910 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock [2022-12-13 12:08:01,920 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock_irq [2022-12-13 12:08:01,934 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock_irqrestore [2022-12-13 12:08:01,973 WARN L623 FunctionHandler]: Unknown extern function queue_work_on [2022-12-13 12:08:02,057 WARN L623 FunctionHandler]: Unknown extern function __phys_addr [2022-12-13 12:08:02,061 WARN L623 FunctionHandler]: Unknown extern function __phys_addr [2022-12-13 12:08:02,061 WARN L623 FunctionHandler]: Unknown extern function debug_dma_map_page [2022-12-13 12:08:02,067 WARN L623 FunctionHandler]: Unknown extern function debug_dma_unmap_page [2022-12-13 12:08:02,072 WARN L623 FunctionHandler]: Unknown extern function debug_dma_map_page [2022-12-13 12:08:02,077 WARN L623 FunctionHandler]: Unknown extern function debug_dma_unmap_page [2022-12-13 12:08:02,095 WARN L623 FunctionHandler]: Unknown extern function debug_dma_alloc_coherent [2022-12-13 12:08:02,099 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-12-13 12:08:02,101 WARN L623 FunctionHandler]: Unknown extern function debug_dma_free_coherent [2022-12-13 12:08:02,177 WARN L623 FunctionHandler]: Unknown extern function netpoll_trap [2022-12-13 12:08:02,178 WARN L623 FunctionHandler]: Unknown extern function __netif_schedule [2022-12-13 12:08:02,186 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-12-13 12:08:02,186 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:08:02,202 WARN L623 FunctionHandler]: Unknown extern function __dev_kfree_skb_irq [2022-12-13 12:08:02,247 WARN L623 FunctionHandler]: Unknown extern function dma_set_mask [2022-12-13 12:08:02,274 WARN L623 FunctionHandler]: Unknown extern function request_threaded_irq [2022-12-13 12:08:02,293 WARN L623 FunctionHandler]: Unknown extern function __tasklet_schedule [2022-12-13 12:08:02,316 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:08:02,325 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-12-13 12:08:02,332 WARN L623 FunctionHandler]: Unknown extern function __netdev_alloc_skb [2022-12-13 12:08:02,359 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:08:02,361 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:08:02,373 WARN L623 FunctionHandler]: Unknown extern function synchronize_irq [2022-12-13 12:08:02,374 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-12-13 12:08:02,378 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:08:02,385 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-12-13 12:08:02,386 WARN L623 FunctionHandler]: Unknown extern function eth_type_trans [2022-12-13 12:08:02,387 WARN L623 FunctionHandler]: Unknown extern function netif_rx [2022-12-13 12:08:02,387 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-12-13 12:08:02,456 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:08:02,457 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:08:02,458 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:08:02,464 WARN L623 FunctionHandler]: Unknown extern function strlcpy [2022-12-13 12:08:02,465 WARN L623 FunctionHandler]: Unknown extern function strlcpy [2022-12-13 12:08:02,466 WARN L623 FunctionHandler]: Unknown extern function strlcpy [2022-12-13 12:08:02,496 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:08:02,511 WARN L623 FunctionHandler]: Unknown extern function schedule [2022-12-13 12:08:02,516 WARN L623 FunctionHandler]: Unknown extern function synchronize_irq [2022-12-13 12:08:02,516 WARN L623 FunctionHandler]: Unknown extern function synchronize_irq [2022-12-13 12:08:02,522 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:08:02,523 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:08:02,528 WARN L623 FunctionHandler]: Unknown extern function dev_trans_start [2022-12-13 12:08:02,529 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:08:02,536 WARN L623 FunctionHandler]: Unknown extern function init_timer_key [2022-12-13 12:08:02,555 WARN L623 FunctionHandler]: Unknown extern function schedule_timeout_uninterruptible [2022-12-13 12:08:02,555 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:08:02,555 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:08:02,560 WARN L623 FunctionHandler]: Unknown extern function dev_warn [2022-12-13 12:08:02,561 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-12-13 12:08:02,561 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-12-13 12:08:02,562 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-12-13 12:08:02,562 WARN L623 FunctionHandler]: Unknown extern function __init_work [2022-12-13 12:08:02,563 WARN L623 FunctionHandler]: Unknown extern function lockdep_init_map [2022-12-13 12:08:02,563 WARN L623 FunctionHandler]: Unknown extern function tasklet_init [2022-12-13 12:08:02,564 WARN L623 FunctionHandler]: Unknown extern function pci_enable_device [2022-12-13 12:08:02,564 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-12-13 12:08:02,565 WARN L623 FunctionHandler]: Unknown extern function pci_set_master [2022-12-13 12:08:02,565 WARN L623 FunctionHandler]: Unknown extern function ioremap_nocache [2022-12-13 12:08:02,567 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-12-13 12:08:02,568 WARN L623 FunctionHandler]: Unknown extern function rtnl_lock [2022-12-13 12:08:02,568 WARN L623 FunctionHandler]: Unknown extern function dev_alloc_name [2022-12-13 12:08:02,569 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-12-13 12:08:02,569 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:08:02,571 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:08:02,572 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:08:02,574 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:08:02,576 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:08:02,576 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-13 12:08:02,579 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:08:02,580 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:08:02,582 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:08:02,582 WARN L623 FunctionHandler]: Unknown extern function rtnl_unlock [2022-12-13 12:08:02,582 WARN L623 FunctionHandler]: Unknown extern function rtnl_unlock [2022-12-13 12:08:02,583 WARN L623 FunctionHandler]: Unknown extern function iounmap [2022-12-13 12:08:02,583 WARN L623 FunctionHandler]: Unknown extern function pci_disable_device [2022-12-13 12:08:02,587 WARN L623 FunctionHandler]: Unknown extern function iounmap [2022-12-13 12:08:02,588 WARN L623 FunctionHandler]: Unknown extern function pci_disable_device [2022-12-13 12:08:02,593 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:08:02,798 WARN L623 FunctionHandler]: Unknown extern function eth_mac_addr [2022-12-13 12:08:02,799 WARN L623 FunctionHandler]: Unknown extern function eth_validate_addr [2022-12-13 12:08:02,802 WARN L623 FunctionHandler]: Unknown extern function ldv_initialize [2022-12-13 12:08:02,806 WARN L623 FunctionHandler]: Unknown extern function ldv_switch_to_interrupt_context [2022-12-13 12:08:02,806 WARN L623 FunctionHandler]: Unknown extern function ldv_switch_to_process_context [2022-12-13 12:08:02,817 WARN L623 FunctionHandler]: Unknown extern function ldv_pre_probe [2022-12-13 12:08:02,824 WARN L623 FunctionHandler]: Unknown extern function ldv_switch_to_interrupt_context [2022-12-13 12:08:02,825 WARN L623 FunctionHandler]: Unknown extern function ldv_switch_to_process_context [2022-12-13 12:08:02,827 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-12-13 12:08:02,827 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-12-13 12:08:02,828 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-12-13 12:08:02,829 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-12-13 12:08:02,830 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-12-13 12:08:02,831 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-12-13 12:08:02,831 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-12-13 12:08:02,832 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-12-13 12:08:02,832 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-12-13 12:08:02,833 WARN L623 FunctionHandler]: Unknown extern function del_timer_sync [2022-12-13 12:08:02,833 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-12-13 12:08:02,834 WARN L623 FunctionHandler]: Unknown extern function mod_timer [2022-12-13 12:08:02,834 WARN L623 FunctionHandler]: Unknown extern function mod_timer [2022-12-13 12:08:02,835 WARN L623 FunctionHandler]: Unknown extern function alloc_etherdev_mqs [2022-12-13 12:08:02,836 WARN L623 FunctionHandler]: Unknown extern function register_netdevice [2022-12-13 12:08:02,837 WARN L623 FunctionHandler]: Unknown extern function free_irq [2022-12-13 12:08:02,837 WARN L623 FunctionHandler]: Unknown extern function free_netdev [2022-12-13 12:08:02,838 WARN L623 FunctionHandler]: Unknown extern function unregister_netdev [2022-12-13 12:08:02,838 WARN L623 FunctionHandler]: Unknown extern function free_irq [2022-12-13 12:08:02,839 WARN L623 FunctionHandler]: Unknown extern function free_netdev [2022-12-13 12:08:02,839 WARN L623 FunctionHandler]: Unknown extern function __pci_register_driver [2022-12-13 12:08:02,840 WARN L623 FunctionHandler]: Unknown extern function pci_unregister_driver [2022-12-13 12:08:02,880 WARN L623 FunctionHandler]: Unknown extern function ldv_check_alloc_flags [2022-12-13 12:08:02,880 WARN L623 FunctionHandler]: Unknown extern function ldv_after_alloc [2022-12-13 12:08:02,887 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-13 12:08:03,322 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_478b2d3d-8428-4f62-97e3-4a024aa72c28/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-natsemi-ns83820.cil.i[322443,322456] [2022-12-13 12:08:03,325 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_478b2d3d-8428-4f62-97e3-4a024aa72c28/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-natsemi-ns83820.cil.i[322612,322625] [2022-12-13 12:08:03,325 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_478b2d3d-8428-4f62-97e3-4a024aa72c28/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-natsemi-ns83820.cil.i[322779,322792] [2022-12-13 12:08:03,326 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_478b2d3d-8428-4f62-97e3-4a024aa72c28/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-natsemi-ns83820.cil.i[322947,322960] [2022-12-13 12:08:03,348 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 12:08:03,370 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 12:08:03,468 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock [2022-12-13 12:08:03,469 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irq [2022-12-13 12:08:03,469 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock [2022-12-13 12:08:03,469 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock_irq [2022-12-13 12:08:03,470 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock_irqrestore [2022-12-13 12:08:03,471 WARN L623 FunctionHandler]: Unknown extern function queue_work_on [2022-12-13 12:08:03,476 WARN L623 FunctionHandler]: Unknown extern function __phys_addr [2022-12-13 12:08:03,477 WARN L623 FunctionHandler]: Unknown extern function __phys_addr [2022-12-13 12:08:03,478 WARN L623 FunctionHandler]: Unknown extern function debug_dma_map_page [2022-12-13 12:08:03,479 WARN L623 FunctionHandler]: Unknown extern function debug_dma_unmap_page [2022-12-13 12:08:03,480 WARN L623 FunctionHandler]: Unknown extern function debug_dma_map_page [2022-12-13 12:08:03,481 WARN L623 FunctionHandler]: Unknown extern function debug_dma_unmap_page [2022-12-13 12:08:03,483 WARN L623 FunctionHandler]: Unknown extern function debug_dma_alloc_coherent [2022-12-13 12:08:03,484 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-12-13 12:08:03,485 WARN L623 FunctionHandler]: Unknown extern function debug_dma_free_coherent [2022-12-13 12:08:03,489 WARN L623 FunctionHandler]: Unknown extern function netpoll_trap [2022-12-13 12:08:03,490 WARN L623 FunctionHandler]: Unknown extern function __netif_schedule [2022-12-13 12:08:03,490 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-12-13 12:08:03,491 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:08:03,492 WARN L623 FunctionHandler]: Unknown extern function __dev_kfree_skb_irq [2022-12-13 12:08:03,494 WARN L623 FunctionHandler]: Unknown extern function dma_set_mask [2022-12-13 12:08:03,495 WARN L623 FunctionHandler]: Unknown extern function request_threaded_irq [2022-12-13 12:08:03,496 WARN L623 FunctionHandler]: Unknown extern function __tasklet_schedule [2022-12-13 12:08:03,498 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:08:03,499 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-12-13 12:08:03,502 WARN L623 FunctionHandler]: Unknown extern function __netdev_alloc_skb [2022-12-13 12:08:03,511 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:08:03,512 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:08:03,516 WARN L623 FunctionHandler]: Unknown extern function synchronize_irq [2022-12-13 12:08:03,517 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-12-13 12:08:03,518 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:08:03,520 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-12-13 12:08:03,522 WARN L623 FunctionHandler]: Unknown extern function eth_type_trans [2022-12-13 12:08:03,522 WARN L623 FunctionHandler]: Unknown extern function netif_rx [2022-12-13 12:08:03,522 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-12-13 12:08:03,541 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:08:03,542 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:08:03,542 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:08:03,544 WARN L623 FunctionHandler]: Unknown extern function strlcpy [2022-12-13 12:08:03,544 WARN L623 FunctionHandler]: Unknown extern function strlcpy [2022-12-13 12:08:03,545 WARN L623 FunctionHandler]: Unknown extern function strlcpy [2022-12-13 12:08:03,549 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:08:03,551 WARN L623 FunctionHandler]: Unknown extern function schedule [2022-12-13 12:08:03,552 WARN L623 FunctionHandler]: Unknown extern function synchronize_irq [2022-12-13 12:08:03,552 WARN L623 FunctionHandler]: Unknown extern function synchronize_irq [2022-12-13 12:08:03,553 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:08:03,554 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:08:03,555 WARN L623 FunctionHandler]: Unknown extern function dev_trans_start [2022-12-13 12:08:03,555 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:08:03,557 WARN L623 FunctionHandler]: Unknown extern function init_timer_key [2022-12-13 12:08:03,561 WARN L623 FunctionHandler]: Unknown extern function schedule_timeout_uninterruptible [2022-12-13 12:08:03,561 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:08:03,562 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:08:03,563 WARN L623 FunctionHandler]: Unknown extern function dev_warn [2022-12-13 12:08:03,564 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-12-13 12:08:03,564 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-12-13 12:08:03,565 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-12-13 12:08:03,566 WARN L623 FunctionHandler]: Unknown extern function __init_work [2022-12-13 12:08:03,567 WARN L623 FunctionHandler]: Unknown extern function lockdep_init_map [2022-12-13 12:08:03,567 WARN L623 FunctionHandler]: Unknown extern function tasklet_init [2022-12-13 12:08:03,567 WARN L623 FunctionHandler]: Unknown extern function pci_enable_device [2022-12-13 12:08:03,567 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-12-13 12:08:03,568 WARN L623 FunctionHandler]: Unknown extern function pci_set_master [2022-12-13 12:08:03,568 WARN L623 FunctionHandler]: Unknown extern function ioremap_nocache [2022-12-13 12:08:03,569 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-12-13 12:08:03,570 WARN L623 FunctionHandler]: Unknown extern function rtnl_lock [2022-12-13 12:08:03,570 WARN L623 FunctionHandler]: Unknown extern function dev_alloc_name [2022-12-13 12:08:03,570 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-12-13 12:08:03,571 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:08:03,572 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:08:03,572 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:08:03,573 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:08:03,574 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:08:03,575 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-13 12:08:03,576 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:08:03,577 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:08:03,577 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:08:03,578 WARN L623 FunctionHandler]: Unknown extern function rtnl_unlock [2022-12-13 12:08:03,578 WARN L623 FunctionHandler]: Unknown extern function rtnl_unlock [2022-12-13 12:08:03,578 WARN L623 FunctionHandler]: Unknown extern function iounmap [2022-12-13 12:08:03,578 WARN L623 FunctionHandler]: Unknown extern function pci_disable_device [2022-12-13 12:08:03,579 WARN L623 FunctionHandler]: Unknown extern function iounmap [2022-12-13 12:08:03,580 WARN L623 FunctionHandler]: Unknown extern function pci_disable_device [2022-12-13 12:08:03,580 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:08:03,585 WARN L623 FunctionHandler]: Unknown extern function eth_mac_addr [2022-12-13 12:08:03,585 WARN L623 FunctionHandler]: Unknown extern function eth_validate_addr [2022-12-13 12:08:03,587 WARN L623 FunctionHandler]: Unknown extern function ldv_initialize [2022-12-13 12:08:03,588 WARN L623 FunctionHandler]: Unknown extern function ldv_switch_to_interrupt_context [2022-12-13 12:08:03,588 WARN L623 FunctionHandler]: Unknown extern function ldv_switch_to_process_context [2022-12-13 12:08:03,593 WARN L623 FunctionHandler]: Unknown extern function ldv_pre_probe [2022-12-13 12:08:03,596 WARN L623 FunctionHandler]: Unknown extern function ldv_switch_to_interrupt_context [2022-12-13 12:08:03,596 WARN L623 FunctionHandler]: Unknown extern function ldv_switch_to_process_context [2022-12-13 12:08:03,600 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-12-13 12:08:03,600 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-12-13 12:08:03,600 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-12-13 12:08:03,601 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-12-13 12:08:03,601 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-12-13 12:08:03,601 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-12-13 12:08:03,601 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-12-13 12:08:03,602 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-12-13 12:08:03,602 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-12-13 12:08:03,602 WARN L623 FunctionHandler]: Unknown extern function del_timer_sync [2022-12-13 12:08:03,602 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-12-13 12:08:03,602 WARN L623 FunctionHandler]: Unknown extern function mod_timer [2022-12-13 12:08:03,603 WARN L623 FunctionHandler]: Unknown extern function mod_timer [2022-12-13 12:08:03,603 WARN L623 FunctionHandler]: Unknown extern function alloc_etherdev_mqs [2022-12-13 12:08:03,604 WARN L623 FunctionHandler]: Unknown extern function register_netdevice [2022-12-13 12:08:03,604 WARN L623 FunctionHandler]: Unknown extern function free_irq [2022-12-13 12:08:03,604 WARN L623 FunctionHandler]: Unknown extern function free_netdev [2022-12-13 12:08:03,604 WARN L623 FunctionHandler]: Unknown extern function unregister_netdev [2022-12-13 12:08:03,605 WARN L623 FunctionHandler]: Unknown extern function free_irq [2022-12-13 12:08:03,605 WARN L623 FunctionHandler]: Unknown extern function free_netdev [2022-12-13 12:08:03,605 WARN L623 FunctionHandler]: Unknown extern function __pci_register_driver [2022-12-13 12:08:03,605 WARN L623 FunctionHandler]: Unknown extern function pci_unregister_driver [2022-12-13 12:08:03,620 WARN L623 FunctionHandler]: Unknown extern function ldv_check_alloc_flags [2022-12-13 12:08:03,620 WARN L623 FunctionHandler]: Unknown extern function ldv_after_alloc [2022-12-13 12:08:03,620 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-13 12:08:03,636 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_478b2d3d-8428-4f62-97e3-4a024aa72c28/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-natsemi-ns83820.cil.i[322443,322456] [2022-12-13 12:08:03,636 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_478b2d3d-8428-4f62-97e3-4a024aa72c28/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-natsemi-ns83820.cil.i[322612,322625] [2022-12-13 12:08:03,637 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_478b2d3d-8428-4f62-97e3-4a024aa72c28/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-natsemi-ns83820.cil.i[322779,322792] [2022-12-13 12:08:03,637 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_478b2d3d-8428-4f62-97e3-4a024aa72c28/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-natsemi-ns83820.cil.i[322947,322960] [2022-12-13 12:08:03,642 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 12:08:03,731 INFO L208 MainTranslator]: Completed translation [2022-12-13 12:08:03,731 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:08:03 WrapperNode [2022-12-13 12:08:03,731 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 12:08:03,732 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 12:08:03,732 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 12:08:03,732 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 12:08:03,737 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:08:03" (1/1) ... [2022-12-13 12:08:03,798 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:08:03" (1/1) ... [2022-12-13 12:08:03,906 INFO L138 Inliner]: procedures = 459, calls = 1811, calls flagged for inlining = 217, calls inlined = 199, statements flattened = 4330 [2022-12-13 12:08:03,907 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 12:08:03,907 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 12:08:03,907 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 12:08:03,907 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 12:08:03,914 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:08:03" (1/1) ... [2022-12-13 12:08:03,914 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:08:03" (1/1) ... [2022-12-13 12:08:03,943 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:08:03" (1/1) ... [2022-12-13 12:08:03,943 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:08:03" (1/1) ... [2022-12-13 12:08:04,037 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:08:03" (1/1) ... [2022-12-13 12:08:04,051 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:08:03" (1/1) ... [2022-12-13 12:08:04,076 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:08:03" (1/1) ... [2022-12-13 12:08:04,086 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:08:03" (1/1) ... [2022-12-13 12:08:04,109 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 12:08:04,109 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 12:08:04,109 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 12:08:04,109 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 12:08:04,110 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:08:03" (1/1) ... [2022-12-13 12:08:04,115 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 12:08:04,122 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_478b2d3d-8428-4f62-97e3-4a024aa72c28/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 12:08:04,133 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_478b2d3d-8428-4f62-97e3-4a024aa72c28/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-13 12:08:04,135 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_478b2d3d-8428-4f62-97e3-4a024aa72c28/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-13 12:08:04,167 INFO L130 BoogieDeclarations]: Found specification of procedure ns83820_set_multicast [2022-12-13 12:08:04,167 INFO L138 BoogieDeclarations]: Found implementation of procedure ns83820_set_multicast [2022-12-13 12:08:04,168 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-12-13 12:08:04,168 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-12-13 12:08:04,168 INFO L130 BoogieDeclarations]: Found specification of procedure ns83820_rx_kick [2022-12-13 12:08:04,168 INFO L138 BoogieDeclarations]: Found implementation of procedure ns83820_rx_kick [2022-12-13 12:08:04,168 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2022-12-13 12:08:04,168 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2022-12-13 12:08:04,168 INFO L130 BoogieDeclarations]: Found specification of procedure ns83820_do_reset [2022-12-13 12:08:04,168 INFO L138 BoogieDeclarations]: Found implementation of procedure ns83820_do_reset [2022-12-13 12:08:04,169 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_87 [2022-12-13 12:08:04,169 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_87 [2022-12-13 12:08:04,169 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-12-13 12:08:04,169 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-12-13 12:08:04,169 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2022-12-13 12:08:04,169 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2022-12-13 12:08:04,169 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-12-13 12:08:04,169 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-12-13 12:08:04,169 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-12-13 12:08:04,169 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-12-13 12:08:04,169 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_62 [2022-12-13 12:08:04,170 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_62 [2022-12-13 12:08:04,170 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irq_73 [2022-12-13 12:08:04,170 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irq_73 [2022-12-13 12:08:04,170 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_69 [2022-12-13 12:08:04,170 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_69 [2022-12-13 12:08:04,170 INFO L130 BoogieDeclarations]: Found specification of procedure ns83820_remove_one [2022-12-13 12:08:04,170 INFO L138 BoogieDeclarations]: Found implementation of procedure ns83820_remove_one [2022-12-13 12:08:04,170 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-12-13 12:08:04,170 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-12-13 12:08:04,170 INFO L130 BoogieDeclarations]: Found specification of procedure ns83820_update_stats [2022-12-13 12:08:04,170 INFO L138 BoogieDeclarations]: Found implementation of procedure ns83820_update_stats [2022-12-13 12:08:04,171 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-12-13 12:08:04,171 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-12-13 12:08:04,171 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2022-12-13 12:08:04,171 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2022-12-13 12:08:04,171 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2022-12-13 12:08:04,171 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2022-12-13 12:08:04,171 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2022-12-13 12:08:04,171 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2022-12-13 12:08:04,171 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-12-13 12:08:04,171 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-12-13 12:08:04,171 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-12-13 12:08:04,171 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-12-13 12:08:04,172 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2022-12-13 12:08:04,172 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2022-12-13 12:08:04,172 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-13 12:08:04,172 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2022-12-13 12:08:04,172 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2022-12-13 12:08:04,172 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-12-13 12:08:04,172 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-12-13 12:08:04,172 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-12-13 12:08:04,173 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-12-13 12:08:04,173 INFO L130 BoogieDeclarations]: Found specification of procedure ns83820_tx_timeout [2022-12-13 12:08:04,173 INFO L138 BoogieDeclarations]: Found implementation of procedure ns83820_tx_timeout [2022-12-13 12:08:04,173 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-12-13 12:08:04,173 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-12-13 12:08:04,173 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-12-13 12:08:04,173 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-12-13 12:08:04,173 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-12-13 12:08:04,173 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-12-13 12:08:04,173 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-13 12:08:04,173 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2022-12-13 12:08:04,174 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2022-12-13 12:08:04,174 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2022-12-13 12:08:04,174 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2022-12-13 12:08:04,174 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2022-12-13 12:08:04,174 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2022-12-13 12:08:04,174 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2022-12-13 12:08:04,174 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2022-12-13 12:08:04,174 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_dma_mask [2022-12-13 12:08:04,174 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_dma_mask [2022-12-13 12:08:04,174 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2022-12-13 12:08:04,174 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2022-12-13 12:08:04,175 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2022-12-13 12:08:04,175 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2022-12-13 12:08:04,175 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2022-12-13 12:08:04,175 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2022-12-13 12:08:04,175 INFO L130 BoogieDeclarations]: Found specification of procedure ns83820_run_bist [2022-12-13 12:08:04,175 INFO L138 BoogieDeclarations]: Found implementation of procedure ns83820_run_bist [2022-12-13 12:08:04,175 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-12-13 12:08:04,175 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2022-12-13 12:08:04,175 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2022-12-13 12:08:04,175 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2022-12-13 12:08:04,175 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2022-12-13 12:08:04,176 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer [2022-12-13 12:08:04,176 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer [2022-12-13 12:08:04,176 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-13 12:08:04,176 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-12-13 12:08:04,176 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-12-13 12:08:04,176 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-12-13 12:08:04,176 INFO L130 BoogieDeclarations]: Found specification of procedure clear_rx_desc [2022-12-13 12:08:04,176 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_rx_desc [2022-12-13 12:08:04,176 INFO L130 BoogieDeclarations]: Found specification of procedure phy_intr [2022-12-13 12:08:04,176 INFO L138 BoogieDeclarations]: Found implementation of procedure phy_intr [2022-12-13 12:08:04,176 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-12-13 12:08:04,177 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-12-13 12:08:04,177 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2022-12-13 12:08:04,177 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2022-12-13 12:08:04,177 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2022-12-13 12:08:04,177 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2022-12-13 12:08:04,177 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2022-12-13 12:08:04,177 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2022-12-13 12:08:04,177 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2022-12-13 12:08:04,177 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2022-12-13 12:08:04,177 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_map_page [2022-12-13 12:08:04,177 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_map_page [2022-12-13 12:08:04,178 INFO L130 BoogieDeclarations]: Found specification of procedure do_tx_done [2022-12-13 12:08:04,178 INFO L138 BoogieDeclarations]: Found implementation of procedure do_tx_done [2022-12-13 12:08:04,178 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_misc_lock_of_ns83820 [2022-12-13 12:08:04,178 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_misc_lock_of_ns83820 [2022-12-13 12:08:04,178 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-12-13 12:08:04,178 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-12-13 12:08:04,178 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2022-12-13 12:08:04,178 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2022-12-13 12:08:04,178 INFO L130 BoogieDeclarations]: Found specification of procedure skb_frag_size [2022-12-13 12:08:04,178 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_frag_size [2022-12-13 12:08:04,178 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2022-12-13 12:08:04,179 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2022-12-13 12:08:04,179 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 12:08:04,179 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 12:08:04,179 INFO L130 BoogieDeclarations]: Found specification of procedure ns83820_stop [2022-12-13 12:08:04,179 INFO L138 BoogieDeclarations]: Found implementation of procedure ns83820_stop [2022-12-13 12:08:04,179 INFO L130 BoogieDeclarations]: Found specification of procedure kick_tx [2022-12-13 12:08:04,179 INFO L138 BoogieDeclarations]: Found implementation of procedure kick_tx [2022-12-13 12:08:04,179 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_lock_of_rx_info [2022-12-13 12:08:04,179 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_lock_of_rx_info [2022-12-13 12:08:04,179 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-12-13 12:08:04,179 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-12-13 12:08:04,180 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2022-12-13 12:08:04,180 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2022-12-13 12:08:04,180 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-12-13 12:08:04,180 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-12-13 12:08:04,180 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_unlock [2022-12-13 12:08:04,180 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_unlock [2022-12-13 12:08:04,180 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2022-12-13 12:08:04,180 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2022-12-13 12:08:04,180 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2022-12-13 12:08:04,180 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2022-12-13 12:08:04,180 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2022-12-13 12:08:04,181 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2022-12-13 12:08:04,181 INFO L130 BoogieDeclarations]: Found specification of procedure ip_hdr [2022-12-13 12:08:04,181 INFO L138 BoogieDeclarations]: Found implementation of procedure ip_hdr [2022-12-13 12:08:04,181 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_cmd_speed_set [2022-12-13 12:08:04,181 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_cmd_speed_set [2022-12-13 12:08:04,181 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-12-13 12:08:04,181 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-12-13 12:08:04,181 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2022-12-13 12:08:04,181 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2022-12-13 12:08:04,181 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2022-12-13 12:08:04,181 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2022-12-13 12:08:04,182 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_unmap_page [2022-12-13 12:08:04,182 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_unmap_page [2022-12-13 12:08:04,182 INFO L130 BoogieDeclarations]: Found specification of procedure PRIV [2022-12-13 12:08:04,182 INFO L138 BoogieDeclarations]: Found implementation of procedure PRIV [2022-12-13 12:08:04,182 INFO L130 BoogieDeclarations]: Found specification of procedure netif_start_queue [2022-12-13 12:08:04,182 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_start_queue [2022-12-13 12:08:04,182 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-13 12:08:04,182 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_irq_72 [2022-12-13 12:08:04,182 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_irq_72 [2022-12-13 12:08:04,182 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-12-13 12:08:04,183 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-12-13 12:08:04,183 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2022-12-13 12:08:04,183 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2022-12-13 12:08:04,183 INFO L130 BoogieDeclarations]: Found specification of procedure kfree_skb [2022-12-13 12:08:04,183 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree_skb [2022-12-13 12:08:04,183 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2022-12-13 12:08:04,183 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2022-12-13 12:08:04,183 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-12-13 12:08:04,183 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-12-13 12:08:04,183 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq [2022-12-13 12:08:04,183 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq [2022-12-13 12:08:04,183 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_irq [2022-12-13 12:08:04,184 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_irq [2022-12-13 12:08:04,184 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2022-12-13 12:08:04,184 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2022-12-13 12:08:04,184 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-12-13 12:08:04,184 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-12-13 12:08:04,184 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_tx_lock_of_ns83820 [2022-12-13 12:08:04,184 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_tx_lock_of_ns83820 [2022-12-13 12:08:04,184 INFO L130 BoogieDeclarations]: Found specification of procedure synchronize_irq [2022-12-13 12:08:04,184 INFO L138 BoogieDeclarations]: Found implementation of procedure synchronize_irq [2022-12-13 12:08:04,184 INFO L130 BoogieDeclarations]: Found specification of procedure build_rx_desc [2022-12-13 12:08:04,184 INFO L138 BoogieDeclarations]: Found implementation of procedure build_rx_desc [2022-12-13 12:08:04,185 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-13 12:08:04,185 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2022-12-13 12:08:04,185 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2022-12-13 12:08:04,185 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-12-13 12:08:04,185 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-12-13 12:08:04,185 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2022-12-13 12:08:04,185 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2022-12-13 12:08:04,185 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_misc_lock_of_ns83820 [2022-12-13 12:08:04,185 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_misc_lock_of_ns83820 [2022-12-13 12:08:04,185 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec [2022-12-13 12:08:04,185 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec [2022-12-13 12:08:04,185 INFO L130 BoogieDeclarations]: Found specification of procedure ns83820_open [2022-12-13 12:08:04,186 INFO L138 BoogieDeclarations]: Found implementation of procedure ns83820_open [2022-12-13 12:08:04,186 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-12-13 12:08:04,186 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-12-13 12:08:04,186 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2022-12-13 12:08:04,186 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2022-12-13 12:08:04,186 INFO L130 BoogieDeclarations]: Found specification of procedure rx_irq [2022-12-13 12:08:04,186 INFO L138 BoogieDeclarations]: Found implementation of procedure rx_irq [2022-12-13 12:08:04,186 INFO L130 BoogieDeclarations]: Found specification of procedure ns83820_disable_interrupts [2022-12-13 12:08:04,186 INFO L138 BoogieDeclarations]: Found implementation of procedure ns83820_disable_interrupts [2022-12-13 12:08:04,186 INFO L130 BoogieDeclarations]: Found specification of procedure kick_rx [2022-12-13 12:08:04,186 INFO L138 BoogieDeclarations]: Found implementation of procedure kick_rx [2022-12-13 12:08:04,187 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-12-13 12:08:04,187 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-12-13 12:08:04,187 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2022-12-13 12:08:04,187 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2022-12-13 12:08:04,187 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-13 12:08:04,187 INFO L130 BoogieDeclarations]: Found specification of procedure rx_refill [2022-12-13 12:08:04,187 INFO L138 BoogieDeclarations]: Found implementation of procedure rx_refill [2022-12-13 12:08:04,187 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-12-13 12:08:04,187 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-12-13 12:08:04,187 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_lock_of_rx_info [2022-12-13 12:08:04,187 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_lock_of_rx_info [2022-12-13 12:08:04,188 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_tx_lock_of_ns83820 [2022-12-13 12:08:04,188 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_tx_lock_of_ns83820 [2022-12-13 12:08:04,726 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 12:08:04,729 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 12:08:04,808 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-12-13 12:08:06,857 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2022-12-13 12:08:06,966 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 12:08:06,988 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 12:08:06,989 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-12-13 12:08:06,992 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 12:08:06 BoogieIcfgContainer [2022-12-13 12:08:06,993 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 12:08:06,995 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-13 12:08:06,995 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-13 12:08:06,998 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-13 12:08:06,998 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.12 12:08:01" (1/3) ... [2022-12-13 12:08:06,998 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5fce975e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 12:08:06, skipping insertion in model container [2022-12-13 12:08:06,999 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:08:03" (2/3) ... [2022-12-13 12:08:06,999 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5fce975e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 12:08:06, skipping insertion in model container [2022-12-13 12:08:06,999 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 12:08:06" (3/3) ... [2022-12-13 12:08:07,000 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-natsemi-ns83820.cil.i [2022-12-13 12:08:07,017 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-13 12:08:07,018 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2022-12-13 12:08:07,095 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-13 12:08:07,101 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;@6d9bdde5, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-12-13 12:08:07,101 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2022-12-13 12:08:07,111 INFO L276 IsEmpty]: Start isEmpty. Operand has 1759 states, 1145 states have (on average 1.2305676855895196) internal successors, (1409), 1177 states have internal predecessors, (1409), 508 states have call successors, (508), 104 states have call predecessors, (508), 103 states have return successors, (503), 499 states have call predecessors, (503), 503 states have call successors, (503) [2022-12-13 12:08:07,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2022-12-13 12:08:07,124 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 12:08:07,124 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 7, 7, 7, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:08:07,125 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-12-13 12:08:07,129 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 12:08:07,130 INFO L85 PathProgramCache]: Analyzing trace with hash -817305168, now seen corresponding path program 1 times [2022-12-13 12:08:07,138 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 12:08:07,138 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2002094884] [2022-12-13 12:08:07,139 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 12:08:07,139 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 12:08:07,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:08:07,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-12-13 12:08:07,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:08:07,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:08:07,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:08:07,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-12-13 12:08:07,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:08:07,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:08:07,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:08:07,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-12-13 12:08:07,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:08:07,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:08:07,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:08:07,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-12-13 12:08:07,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:08:07,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:08:07,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:08:07,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-12-13 12:08:07,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:08:07,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:08:07,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:08:07,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-12-13 12:08:07,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:08:07,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:08:07,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:08:07,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-12-13 12:08:07,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:08:07,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:08:07,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:08:07,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-12-13 12:08:07,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:08:07,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-12-13 12:08:07,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:08:07,779 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 210 trivial. 0 not checked. [2022-12-13 12:08:07,780 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 12:08:07,780 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2002094884] [2022-12-13 12:08:07,781 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2002094884] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 12:08:07,781 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 12:08:07,781 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-13 12:08:07,782 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [634555201] [2022-12-13 12:08:07,783 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 12:08:07,786 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-13 12:08:07,786 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 12:08:07,808 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-13 12:08:07,808 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-13 12:08:07,812 INFO L87 Difference]: Start difference. First operand has 1759 states, 1145 states have (on average 1.2305676855895196) internal successors, (1409), 1177 states have internal predecessors, (1409), 508 states have call successors, (508), 104 states have call predecessors, (508), 103 states have return successors, (503), 499 states have call predecessors, (503), 503 states have call successors, (503) 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, (12), 3 states have call predecessors, (12), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2022-12-13 12:08:11,828 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 12:08:11,828 INFO L93 Difference]: Finished difference Result 5305 states and 7525 transitions. [2022-12-13 12:08:11,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-13 12:08:11,830 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, (12), 3 states have call predecessors, (12), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) Word has length 101 [2022-12-13 12:08:11,830 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 12:08:11,861 INFO L225 Difference]: With dead ends: 5305 [2022-12-13 12:08:11,862 INFO L226 Difference]: Without dead ends: 3555 [2022-12-13 12:08:11,872 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 34 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 12:08:11,874 INFO L413 NwaCegarLoop]: 1802 mSDtfsCounter, 3190 mSDsluCounter, 1980 mSDsCounter, 0 mSdLazyCounter, 2988 mSolverCounterSat, 1403 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3676 SdHoareTripleChecker+Valid, 3782 SdHoareTripleChecker+Invalid, 4391 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1403 IncrementalHoareTripleChecker+Valid, 2988 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.6s IncrementalHoareTripleChecker+Time [2022-12-13 12:08:11,875 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3676 Valid, 3782 Invalid, 4391 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1403 Valid, 2988 Invalid, 0 Unknown, 0 Unchecked, 3.6s Time] [2022-12-13 12:08:11,890 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3555 states. [2022-12-13 12:08:12,078 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3555 to 3409. [2022-12-13 12:08:12,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3409 states, 2231 states have (on average 1.2223218287763336) internal successors, (2727), 2293 states have internal predecessors, (2727), 972 states have call successors, (972), 204 states have call predecessors, (972), 203 states have return successors, (969), 961 states have call predecessors, (969), 969 states have call successors, (969) [2022-12-13 12:08:12,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3409 states to 3409 states and 4668 transitions. [2022-12-13 12:08:12,111 INFO L78 Accepts]: Start accepts. Automaton has 3409 states and 4668 transitions. Word has length 101 [2022-12-13 12:08:12,112 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 12:08:12,113 INFO L495 AbstractCegarLoop]: Abstraction has 3409 states and 4668 transitions. [2022-12-13 12:08:12,113 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, (12), 3 states have call predecessors, (12), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2022-12-13 12:08:12,113 INFO L276 IsEmpty]: Start isEmpty. Operand 3409 states and 4668 transitions. [2022-12-13 12:08:12,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2022-12-13 12:08:12,124 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 12:08:12,124 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 7, 7, 7, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:08:12,125 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-13 12:08:12,125 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-12-13 12:08:12,125 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 12:08:12,125 INFO L85 PathProgramCache]: Analyzing trace with hash -283287064, now seen corresponding path program 1 times [2022-12-13 12:08:12,126 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 12:08:12,126 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [778828650] [2022-12-13 12:08:12,126 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 12:08:12,126 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 12:08:12,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:08:12,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-12-13 12:08:12,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:08:12,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:08:12,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:08:12,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-12-13 12:08:12,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:08:12,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:08:12,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:08:12,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-12-13 12:08:12,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:08:12,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:08:12,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:08:12,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-12-13 12:08:12,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:08:12,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:08:12,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:08:12,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-12-13 12:08:12,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:08:12,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:08:12,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:08:12,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-12-13 12:08:12,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:08:12,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:08:12,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:08:12,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-12-13 12:08:12,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:08:12,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:08:12,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:08:12,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-12-13 12:08:12,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:08:12,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2022-12-13 12:08:12,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:08:12,360 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 210 trivial. 0 not checked. [2022-12-13 12:08:12,361 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 12:08:12,361 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [778828650] [2022-12-13 12:08:12,361 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [778828650] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 12:08:12,361 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 12:08:12,361 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-13 12:08:12,362 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [188350428] [2022-12-13 12:08:12,362 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 12:08:12,363 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-13 12:08:12,363 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 12:08:12,364 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-13 12:08:12,364 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-13 12:08:12,365 INFO L87 Difference]: Start difference. First operand 3409 states and 4668 transitions. Second operand has 4 states, 4 states have (on average 10.25) internal successors, (41), 3 states have internal predecessors, (41), 3 states have call successors, (13), 3 states have call predecessors, (13), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2022-12-13 12:08:16,212 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 12:08:16,212 INFO L93 Difference]: Finished difference Result 9869 states and 13541 transitions. [2022-12-13 12:08:16,213 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-13 12:08:16,213 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.25) internal successors, (41), 3 states have internal predecessors, (41), 3 states have call successors, (13), 3 states have call predecessors, (13), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) Word has length 114 [2022-12-13 12:08:16,213 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 12:08:16,247 INFO L225 Difference]: With dead ends: 9869 [2022-12-13 12:08:16,247 INFO L226 Difference]: Without dead ends: 6479 [2022-12-13 12:08:16,261 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 34 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 12:08:16,262 INFO L413 NwaCegarLoop]: 1736 mSDtfsCounter, 2799 mSDsluCounter, 1957 mSDsCounter, 0 mSdLazyCounter, 2934 mSolverCounterSat, 1385 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3210 SdHoareTripleChecker+Valid, 3693 SdHoareTripleChecker+Invalid, 4319 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1385 IncrementalHoareTripleChecker+Valid, 2934 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.4s IncrementalHoareTripleChecker+Time [2022-12-13 12:08:16,263 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3210 Valid, 3693 Invalid, 4319 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1385 Valid, 2934 Invalid, 0 Unknown, 0 Unchecked, 3.4s Time] [2022-12-13 12:08:16,271 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6479 states. [2022-12-13 12:08:16,614 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6479 to 6270. [2022-12-13 12:08:16,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6270 states, 4077 states have (on average 1.2175619327937208) internal successors, (4964), 4205 states have internal predecessors, (4964), 1789 states have call successors, (1789), 394 states have call predecessors, (1789), 401 states have return successors, (1816), 1772 states have call predecessors, (1816), 1786 states have call successors, (1816) [2022-12-13 12:08:16,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6270 states to 6270 states and 8569 transitions. [2022-12-13 12:08:16,642 INFO L78 Accepts]: Start accepts. Automaton has 6270 states and 8569 transitions. Word has length 114 [2022-12-13 12:08:16,642 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 12:08:16,642 INFO L495 AbstractCegarLoop]: Abstraction has 6270 states and 8569 transitions. [2022-12-13 12:08:16,643 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.25) internal successors, (41), 3 states have internal predecessors, (41), 3 states have call successors, (13), 3 states have call predecessors, (13), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2022-12-13 12:08:16,643 INFO L276 IsEmpty]: Start isEmpty. Operand 6270 states and 8569 transitions. [2022-12-13 12:08:16,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2022-12-13 12:08:16,644 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 12:08:16,644 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 7, 7, 7, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:08:16,645 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-13 12:08:16,645 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 12:08:16,645 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 12:08:16,645 INFO L85 PathProgramCache]: Analyzing trace with hash 108030375, now seen corresponding path program 1 times [2022-12-13 12:08:16,645 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 12:08:16,645 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1371977295] [2022-12-13 12:08:16,646 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 12:08:16,646 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 12:08:16,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:08:16,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-12-13 12:08:16,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:08:16,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:08:16,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:08:16,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-12-13 12:08:16,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:08:16,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:08:16,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:08:16,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-12-13 12:08:16,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:08:16,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:08:16,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:08:16,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-12-13 12:08:16,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:08:16,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:08:16,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:08:16,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-12-13 12:08:16,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:08:16,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:08:16,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:08:16,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-12-13 12:08:16,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:08:16,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:08:16,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:08:16,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-12-13 12:08:16,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:08:16,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:08:16,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:08:16,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-12-13 12:08:16,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:08:16,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-12-13 12:08:16,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:08:16,985 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 210 trivial. 0 not checked. [2022-12-13 12:08:16,985 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 12:08:16,985 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1371977295] [2022-12-13 12:08:16,985 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1371977295] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 12:08:16,985 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 12:08:16,985 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-12-13 12:08:16,985 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1997951611] [2022-12-13 12:08:16,986 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 12:08:16,986 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-12-13 12:08:16,986 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 12:08:16,986 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-12-13 12:08:16,986 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2022-12-13 12:08:16,987 INFO L87 Difference]: Start difference. First operand 6270 states and 8569 transitions. Second operand has 7 states, 6 states have (on average 6.833333333333333) internal successors, (41), 5 states have internal predecessors, (41), 3 states have call successors, (14), 3 states have call predecessors, (14), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2022-12-13 12:08:22,833 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 12:08:22,834 INFO L93 Difference]: Finished difference Result 14857 states and 20304 transitions. [2022-12-13 12:08:22,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-12-13 12:08:22,834 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 6.833333333333333) internal successors, (41), 5 states have internal predecessors, (41), 3 states have call successors, (14), 3 states have call predecessors, (14), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) Word has length 115 [2022-12-13 12:08:22,834 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 12:08:22,860 INFO L225 Difference]: With dead ends: 14857 [2022-12-13 12:08:22,860 INFO L226 Difference]: Without dead ends: 8606 [2022-12-13 12:08:22,872 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2022-12-13 12:08:22,873 INFO L413 NwaCegarLoop]: 2105 mSDtfsCounter, 5515 mSDsluCounter, 3301 mSDsCounter, 0 mSdLazyCounter, 7421 mSolverCounterSat, 2630 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6350 SdHoareTripleChecker+Valid, 5406 SdHoareTripleChecker+Invalid, 10051 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2630 IncrementalHoareTripleChecker+Valid, 7421 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.4s IncrementalHoareTripleChecker+Time [2022-12-13 12:08:22,873 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6350 Valid, 5406 Invalid, 10051 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2630 Valid, 7421 Invalid, 0 Unknown, 0 Unchecked, 5.4s Time] [2022-12-13 12:08:22,880 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8606 states. [2022-12-13 12:08:23,196 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8606 to 8160. [2022-12-13 12:08:23,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8160 states, 5288 states have (on average 1.213502269288956) internal successors, (6417), 5463 states have internal predecessors, (6417), 2299 states have call successors, (2299), 566 states have call predecessors, (2299), 570 states have return successors, (2308), 2271 states have call predecessors, (2308), 2296 states have call successors, (2308) [2022-12-13 12:08:23,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8160 states to 8160 states and 11024 transitions. [2022-12-13 12:08:23,239 INFO L78 Accepts]: Start accepts. Automaton has 8160 states and 11024 transitions. Word has length 115 [2022-12-13 12:08:23,239 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 12:08:23,239 INFO L495 AbstractCegarLoop]: Abstraction has 8160 states and 11024 transitions. [2022-12-13 12:08:23,239 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 6.833333333333333) internal successors, (41), 5 states have internal predecessors, (41), 3 states have call successors, (14), 3 states have call predecessors, (14), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2022-12-13 12:08:23,240 INFO L276 IsEmpty]: Start isEmpty. Operand 8160 states and 11024 transitions. [2022-12-13 12:08:23,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2022-12-13 12:08:23,241 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 12:08:23,241 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 7, 7, 7, 7, 7, 7, 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] [2022-12-13 12:08:23,241 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-12-13 12:08:23,241 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-12-13 12:08:23,242 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 12:08:23,242 INFO L85 PathProgramCache]: Analyzing trace with hash -1589694424, now seen corresponding path program 1 times [2022-12-13 12:08:23,242 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 12:08:23,242 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1898390630] [2022-12-13 12:08:23,242 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 12:08:23,242 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 12:08:23,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:08:23,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-12-13 12:08:23,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:08:23,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:08:23,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:08:23,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-12-13 12:08:23,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:08:23,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:08:23,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:08:23,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-12-13 12:08:23,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:08:23,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:08:23,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:08:23,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-12-13 12:08:23,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:08:23,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:08:23,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:08:23,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-12-13 12:08:23,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:08:23,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:08:23,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:08:23,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-12-13 12:08:23,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:08:23,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:08:23,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:08:23,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-12-13 12:08:23,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:08:23,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:08:23,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:08:23,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-12-13 12:08:23,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:08:23,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2022-12-13 12:08:23,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:08:23,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2022-12-13 12:08:23,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:08:23,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2022-12-13 12:08:23,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:08:23,460 INFO L134 CoverageAnalysis]: Checked inductivity of 214 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 214 trivial. 0 not checked. [2022-12-13 12:08:23,460 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 12:08:23,460 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1898390630] [2022-12-13 12:08:23,461 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1898390630] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 12:08:23,461 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 12:08:23,461 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-13 12:08:23,461 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1534654591] [2022-12-13 12:08:23,461 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 12:08:23,461 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-13 12:08:23,461 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 12:08:23,462 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-13 12:08:23,462 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-13 12:08:23,462 INFO L87 Difference]: Start difference. First operand 8160 states and 11024 transitions. Second operand has 4 states, 4 states have (on average 9.75) internal successors, (39), 3 states have internal predecessors, (39), 3 states have call successors, (15), 3 states have call predecessors, (15), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2022-12-13 12:08:26,811 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 12:08:26,811 INFO L93 Difference]: Finished difference Result 23272 states and 31605 transitions. [2022-12-13 12:08:26,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-13 12:08:26,812 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.75) internal successors, (39), 3 states have internal predecessors, (39), 3 states have call successors, (15), 3 states have call predecessors, (15), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) Word has length 119 [2022-12-13 12:08:26,812 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 12:08:26,858 INFO L225 Difference]: With dead ends: 23272 [2022-12-13 12:08:26,859 INFO L226 Difference]: Without dead ends: 15131 [2022-12-13 12:08:26,876 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 38 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 12:08:26,877 INFO L413 NwaCegarLoop]: 1808 mSDtfsCounter, 2997 mSDsluCounter, 2016 mSDsCounter, 0 mSdLazyCounter, 2834 mSolverCounterSat, 1408 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3438 SdHoareTripleChecker+Valid, 3824 SdHoareTripleChecker+Invalid, 4242 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1408 IncrementalHoareTripleChecker+Valid, 2834 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2022-12-13 12:08:26,877 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3438 Valid, 3824 Invalid, 4242 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1408 Valid, 2834 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2022-12-13 12:08:26,887 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15131 states. [2022-12-13 12:08:27,387 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15131 to 14331. [2022-12-13 12:08:27,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14331 states, 9293 states have (on average 1.2157537931776605) internal successors, (11298), 9612 states have internal predecessors, (11298), 4011 states have call successors, (4011), 1023 states have call predecessors, (4011), 1024 states have return successors, (4052), 3937 states have call predecessors, (4052), 4008 states have call successors, (4052) [2022-12-13 12:08:27,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14331 states to 14331 states and 19361 transitions. [2022-12-13 12:08:27,442 INFO L78 Accepts]: Start accepts. Automaton has 14331 states and 19361 transitions. Word has length 119 [2022-12-13 12:08:27,442 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 12:08:27,442 INFO L495 AbstractCegarLoop]: Abstraction has 14331 states and 19361 transitions. [2022-12-13 12:08:27,443 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.75) internal successors, (39), 3 states have internal predecessors, (39), 3 states have call successors, (15), 3 states have call predecessors, (15), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2022-12-13 12:08:27,443 INFO L276 IsEmpty]: Start isEmpty. Operand 14331 states and 19361 transitions. [2022-12-13 12:08:27,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2022-12-13 12:08:27,444 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 12:08:27,444 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 7, 7, 7, 7, 7, 7, 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] [2022-12-13 12:08:27,444 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-12-13 12:08:27,444 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-12-13 12:08:27,444 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 12:08:27,444 INFO L85 PathProgramCache]: Analyzing trace with hash -55261726, now seen corresponding path program 1 times [2022-12-13 12:08:27,445 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 12:08:27,445 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [947939197] [2022-12-13 12:08:27,445 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 12:08:27,445 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 12:08:27,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:08:27,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-12-13 12:08:27,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:08:27,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:08:27,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:08:27,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-12-13 12:08:27,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:08:27,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:08:27,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:08:27,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-12-13 12:08:27,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:08:27,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:08:27,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:08:27,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-12-13 12:08:27,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:08:27,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:08:27,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:08:27,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-12-13 12:08:27,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:08:27,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:08:27,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:08:27,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-12-13 12:08:27,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:08:27,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:08:27,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:08:27,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-12-13 12:08:27,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:08:27,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:08:27,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:08:27,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-12-13 12:08:27,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:08:27,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-12-13 12:08:27,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:08:27,715 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2022-12-13 12:08:27,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:08:27,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2022-12-13 12:08:27,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:08:27,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2022-12-13 12:08:27,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:08:27,728 INFO L134 CoverageAnalysis]: Checked inductivity of 214 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 214 trivial. 0 not checked. [2022-12-13 12:08:27,728 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 12:08:27,728 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [947939197] [2022-12-13 12:08:27,728 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [947939197] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 12:08:27,728 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 12:08:27,728 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-13 12:08:27,728 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1533654682] [2022-12-13 12:08:27,728 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 12:08:27,729 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-13 12:08:27,729 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 12:08:27,729 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-13 12:08:27,729 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-13 12:08:27,729 INFO L87 Difference]: Start difference. First operand 14331 states and 19361 transitions. Second operand has 4 states, 4 states have (on average 10.0) internal successors, (40), 3 states have internal predecessors, (40), 3 states have call successors, (15), 3 states have call predecessors, (15), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) [2022-12-13 12:08:31,406 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 12:08:31,406 INFO L93 Difference]: Finished difference Result 40733 states and 55037 transitions. [2022-12-13 12:08:31,406 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-13 12:08:31,406 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.0) internal successors, (40), 3 states have internal predecessors, (40), 3 states have call successors, (15), 3 states have call predecessors, (15), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) Word has length 121 [2022-12-13 12:08:31,407 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 12:08:31,499 INFO L225 Difference]: With dead ends: 40733 [2022-12-13 12:08:31,499 INFO L226 Difference]: Without dead ends: 26421 [2022-12-13 12:08:31,526 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 40 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 12:08:31,526 INFO L413 NwaCegarLoop]: 2075 mSDtfsCounter, 2988 mSDsluCounter, 2211 mSDsCounter, 0 mSdLazyCounter, 3033 mSolverCounterSat, 1325 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3431 SdHoareTripleChecker+Valid, 4286 SdHoareTripleChecker+Invalid, 4358 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1325 IncrementalHoareTripleChecker+Valid, 3033 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.9s IncrementalHoareTripleChecker+Time [2022-12-13 12:08:31,527 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3431 Valid, 4286 Invalid, 4358 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1325 Valid, 3033 Invalid, 0 Unknown, 0 Unchecked, 2.9s Time] [2022-12-13 12:08:31,545 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26421 states. [2022-12-13 12:08:32,562 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26421 to 25061. [2022-12-13 12:08:32,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25061 states, 16376 states have (on average 1.2085979482169027) internal successors, (19792), 16891 states have internal predecessors, (19792), 6842 states have call successors, (6842), 1847 states have call predecessors, (6842), 1840 states have return successors, (6920), 6678 states have call predecessors, (6920), 6839 states have call successors, (6920) [2022-12-13 12:08:32,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25061 states to 25061 states and 33554 transitions. [2022-12-13 12:08:32,673 INFO L78 Accepts]: Start accepts. Automaton has 25061 states and 33554 transitions. Word has length 121 [2022-12-13 12:08:32,674 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 12:08:32,674 INFO L495 AbstractCegarLoop]: Abstraction has 25061 states and 33554 transitions. [2022-12-13 12:08:32,674 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.0) internal successors, (40), 3 states have internal predecessors, (40), 3 states have call successors, (15), 3 states have call predecessors, (15), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) [2022-12-13 12:08:32,674 INFO L276 IsEmpty]: Start isEmpty. Operand 25061 states and 33554 transitions. [2022-12-13 12:08:32,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2022-12-13 12:08:32,676 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 12:08:32,677 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 7, 7, 7, 7, 7, 7, 4, 4, 4, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 12:08:32,677 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-12-13 12:08:32,677 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 12:08:32,677 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 12:08:32,678 INFO L85 PathProgramCache]: Analyzing trace with hash -1429643896, now seen corresponding path program 1 times [2022-12-13 12:08:32,678 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 12:08:32,678 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1872514775] [2022-12-13 12:08:32,678 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 12:08:32,678 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 12:08:32,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:08:32,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-12-13 12:08:32,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:08:32,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:08:32,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:08:32,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-12-13 12:08:32,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:08:32,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:08:32,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:08:32,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-12-13 12:08:32,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:08:32,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:08:32,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:08:32,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-12-13 12:08:32,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:08:32,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:08:32,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:08:32,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-12-13 12:08:32,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:08:32,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:08:32,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:08:32,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-12-13 12:08:32,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:08:32,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:08:32,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:08:32,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-12-13 12:08:32,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:08:32,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:08:32,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:08:32,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-12-13 12:08:32,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:08:32,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2022-12-13 12:08:32,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:08:32,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2022-12-13 12:08:32,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:08:32,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2022-12-13 12:08:32,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:08:32,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-12-13 12:08:32,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:08:32,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:08:32,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:08:32,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2022-12-13 12:08:32,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:08:32,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2022-12-13 12:08:32,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:08:32,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2022-12-13 12:08:32,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:08:32,908 INFO L134 CoverageAnalysis]: Checked inductivity of 321 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 315 trivial. 0 not checked. [2022-12-13 12:08:32,908 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 12:08:32,908 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1872514775] [2022-12-13 12:08:32,908 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1872514775] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 12:08:32,909 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 12:08:32,909 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-13 12:08:32,909 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [849565547] [2022-12-13 12:08:32,909 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 12:08:32,909 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-13 12:08:32,909 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 12:08:32,910 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-13 12:08:32,910 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-13 12:08:32,910 INFO L87 Difference]: Start difference. First operand 25061 states and 33554 transitions. Second operand has 4 states, 4 states have (on average 13.0) internal successors, (52), 3 states have internal predecessors, (52), 3 states have call successors, (19), 3 states have call predecessors, (19), 1 states have return successors, (17), 3 states have call predecessors, (17), 3 states have call successors, (17) [2022-12-13 12:08:38,038 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 12:08:38,038 INFO L93 Difference]: Finished difference Result 76672 states and 103260 transitions. [2022-12-13 12:08:38,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-13 12:08:38,040 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.0) internal successors, (52), 3 states have internal predecessors, (52), 3 states have call successors, (19), 3 states have call predecessors, (19), 1 states have return successors, (17), 3 states have call predecessors, (17), 3 states have call successors, (17) Word has length 153 [2022-12-13 12:08:38,040 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 12:08:38,195 INFO L225 Difference]: With dead ends: 76672 [2022-12-13 12:08:38,195 INFO L226 Difference]: Without dead ends: 51676 [2022-12-13 12:08:38,249 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 48 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 12:08:38,250 INFO L413 NwaCegarLoop]: 1857 mSDtfsCounter, 3162 mSDsluCounter, 2041 mSDsCounter, 0 mSdLazyCounter, 3000 mSolverCounterSat, 1426 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3643 SdHoareTripleChecker+Valid, 3898 SdHoareTripleChecker+Invalid, 4426 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1426 IncrementalHoareTripleChecker+Valid, 3000 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.4s IncrementalHoareTripleChecker+Time [2022-12-13 12:08:38,250 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3643 Valid, 3898 Invalid, 4426 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1426 Valid, 3000 Invalid, 0 Unknown, 0 Unchecked, 3.4s Time] [2022-12-13 12:08:38,290 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51676 states. [2022-12-13 12:08:39,938 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51676 to 49016. [2022-12-13 12:08:39,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 49016 states, 32034 states have (on average 1.2093712930011862) internal successors, (38741), 32998 states have internal predecessors, (38741), 13372 states have call successors, (13372), 3620 states have call predecessors, (13372), 3607 states have return successors, (13531), 13109 states have call predecessors, (13531), 13369 states have call successors, (13531) [2022-12-13 12:08:40,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49016 states to 49016 states and 65644 transitions. [2022-12-13 12:08:40,138 INFO L78 Accepts]: Start accepts. Automaton has 49016 states and 65644 transitions. Word has length 153 [2022-12-13 12:08:40,139 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 12:08:40,139 INFO L495 AbstractCegarLoop]: Abstraction has 49016 states and 65644 transitions. [2022-12-13 12:08:40,139 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.0) internal successors, (52), 3 states have internal predecessors, (52), 3 states have call successors, (19), 3 states have call predecessors, (19), 1 states have return successors, (17), 3 states have call predecessors, (17), 3 states have call successors, (17) [2022-12-13 12:08:40,139 INFO L276 IsEmpty]: Start isEmpty. Operand 49016 states and 65644 transitions. [2022-12-13 12:08:40,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2022-12-13 12:08:40,140 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 12:08:40,140 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 7, 7, 7, 7, 7, 7, 4, 4, 4, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 12:08:40,141 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-12-13 12:08:40,141 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 12:08:40,141 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 12:08:40,141 INFO L85 PathProgramCache]: Analyzing trace with hash -1006942070, now seen corresponding path program 1 times [2022-12-13 12:08:40,141 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 12:08:40,141 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1403948529] [2022-12-13 12:08:40,141 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 12:08:40,141 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 12:08:40,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:08:40,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-12-13 12:08:40,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:08:40,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:08:40,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:08:40,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-12-13 12:08:40,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:08:40,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:08:40,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:08:40,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-12-13 12:08:40,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:08:40,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:08:40,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:08:40,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-12-13 12:08:40,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:08:40,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:08:40,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:08:40,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-12-13 12:08:40,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:08:40,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:08:40,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:08:40,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-12-13 12:08:40,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:08:40,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:08:40,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:08:40,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-12-13 12:08:40,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:08:40,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:08:40,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:08:40,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-12-13 12:08:40,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:08:40,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2022-12-13 12:08:40,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:08:40,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2022-12-13 12:08:40,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:08:40,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2022-12-13 12:08:40,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:08:40,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-12-13 12:08:40,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:08:40,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:08:40,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:08:40,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2022-12-13 12:08:40,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:08:40,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2022-12-13 12:08:40,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:08:40,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2022-12-13 12:08:40,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:08:40,602 INFO L134 CoverageAnalysis]: Checked inductivity of 321 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 321 trivial. 0 not checked. [2022-12-13 12:08:40,603 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 12:08:40,603 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1403948529] [2022-12-13 12:08:40,603 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1403948529] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 12:08:40,603 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 12:08:40,603 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-12-13 12:08:40,603 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [179820837] [2022-12-13 12:08:40,603 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 12:08:40,604 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-13 12:08:40,604 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 12:08:40,605 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 12:08:40,605 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-12-13 12:08:40,605 INFO L87 Difference]: Start difference. First operand 49016 states and 65644 transitions. Second operand has 6 states, 6 states have (on average 8.0) internal successors, (48), 4 states have internal predecessors, (48), 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 12:08:45,027 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 12:08:45,027 INFO L93 Difference]: Finished difference Result 51658 states and 69730 transitions. [2022-12-13 12:08:45,027 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-13 12:08:45,028 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.0) internal successors, (48), 4 states have internal predecessors, (48), 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 153 [2022-12-13 12:08:45,028 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 12:08:45,169 INFO L225 Difference]: With dead ends: 51658 [2022-12-13 12:08:45,169 INFO L226 Difference]: Without dead ends: 51656 [2022-12-13 12:08:45,189 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 47 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 12:08:45,190 INFO L413 NwaCegarLoop]: 1486 mSDtfsCounter, 2420 mSDsluCounter, 3194 mSDsCounter, 0 mSdLazyCounter, 3678 mSolverCounterSat, 1102 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2713 SdHoareTripleChecker+Valid, 4680 SdHoareTripleChecker+Invalid, 4780 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1102 IncrementalHoareTripleChecker+Valid, 3678 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2022-12-13 12:08:45,190 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2713 Valid, 4680 Invalid, 4780 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1102 Valid, 3678 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2022-12-13 12:08:45,228 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51656 states. [2022-12-13 12:08:47,058 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51656 to 49020. [2022-12-13 12:08:47,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 49020 states, 32037 states have (on average 1.209351687111777) internal successors, (38744), 33001 states have internal predecessors, (38744), 13372 states have call successors, (13372), 3621 states have call predecessors, (13372), 3608 states have return successors, (13531), 13109 states have call predecessors, (13531), 13369 states have call successors, (13531) [2022-12-13 12:08:47,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49020 states to 49020 states and 65647 transitions. [2022-12-13 12:08:47,309 INFO L78 Accepts]: Start accepts. Automaton has 49020 states and 65647 transitions. Word has length 153 [2022-12-13 12:08:47,309 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 12:08:47,309 INFO L495 AbstractCegarLoop]: Abstraction has 49020 states and 65647 transitions. [2022-12-13 12:08:47,310 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.0) internal successors, (48), 4 states have internal predecessors, (48), 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 12:08:47,310 INFO L276 IsEmpty]: Start isEmpty. Operand 49020 states and 65647 transitions. [2022-12-13 12:08:47,312 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2022-12-13 12:08:47,312 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 12:08:47,312 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 7, 7, 7, 7, 7, 7, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 12:08:47,312 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-12-13 12:08:47,313 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 12:08:47,313 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 12:08:47,313 INFO L85 PathProgramCache]: Analyzing trace with hash -247958945, now seen corresponding path program 1 times [2022-12-13 12:08:47,313 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 12:08:47,313 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1200103052] [2022-12-13 12:08:47,313 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 12:08:47,314 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 12:08:47,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:08:47,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-12-13 12:08:47,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:08:47,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:08:47,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:08:47,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-12-13 12:08:47,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:08:47,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:08:47,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:08:47,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-12-13 12:08:47,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:08:47,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:08:47,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:08:47,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-12-13 12:08:47,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:08:47,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:08:47,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:08:47,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-12-13 12:08:47,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:08:47,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:08:47,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:08:47,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-12-13 12:08:47,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:08:47,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:08:47,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:08:47,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-12-13 12:08:47,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:08:47,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:08:47,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:08:47,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-12-13 12:08:47,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:08:47,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2022-12-13 12:08:47,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:08:47,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2022-12-13 12:08:47,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:08:47,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2022-12-13 12:08:47,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:08:47,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-12-13 12:08:47,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:08:47,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:08:47,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:08:47,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2022-12-13 12:08:47,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:08:47,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2022-12-13 12:08:47,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:08:47,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2022-12-13 12:08:47,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:08:47,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2022-12-13 12:08:47,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:08:47,623 INFO L134 CoverageAnalysis]: Checked inductivity of 323 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 321 trivial. 0 not checked. [2022-12-13 12:08:47,623 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 12:08:47,623 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1200103052] [2022-12-13 12:08:47,623 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1200103052] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 12:08:47,624 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 12:08:47,624 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-12-13 12:08:47,624 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [503698153] [2022-12-13 12:08:47,624 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 12:08:47,624 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-13 12:08:47,624 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 12:08:47,625 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 12:08:47,625 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-12-13 12:08:47,625 INFO L87 Difference]: Start difference. First operand 49020 states and 65647 transitions. Second operand has 6 states, 6 states have (on average 8.5) internal successors, (51), 4 states have internal predecessors, (51), 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 12:08:52,043 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 12:08:52,043 INFO L93 Difference]: Finished difference Result 51662 states and 69733 transitions. [2022-12-13 12:08:52,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-13 12:08:52,044 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.5) internal successors, (51), 4 states have internal predecessors, (51), 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 158 [2022-12-13 12:08:52,044 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 12:08:52,221 INFO L225 Difference]: With dead ends: 51662 [2022-12-13 12:08:52,222 INFO L226 Difference]: Without dead ends: 51660 [2022-12-13 12:08:52,244 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 12:08:52,245 INFO L413 NwaCegarLoop]: 1486 mSDtfsCounter, 2412 mSDsluCounter, 3194 mSDsCounter, 0 mSdLazyCounter, 3681 mSolverCounterSat, 1101 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2705 SdHoareTripleChecker+Valid, 4680 SdHoareTripleChecker+Invalid, 4782 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1101 IncrementalHoareTripleChecker+Valid, 3681 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2022-12-13 12:08:52,245 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2705 Valid, 4680 Invalid, 4782 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1101 Valid, 3681 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2022-12-13 12:08:52,289 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51660 states. [2022-12-13 12:08:54,159 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51660 to 49024. [2022-12-13 12:08:54,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 49024 states, 32040 states have (on average 1.2093320848938827) internal successors, (38747), 33004 states have internal predecessors, (38747), 13372 states have call successors, (13372), 3622 states have call predecessors, (13372), 3609 states have return successors, (13531), 13109 states have call predecessors, (13531), 13369 states have call successors, (13531) [2022-12-13 12:08:54,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49024 states to 49024 states and 65650 transitions. [2022-12-13 12:08:54,306 INFO L78 Accepts]: Start accepts. Automaton has 49024 states and 65650 transitions. Word has length 158 [2022-12-13 12:08:54,307 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 12:08:54,307 INFO L495 AbstractCegarLoop]: Abstraction has 49024 states and 65650 transitions. [2022-12-13 12:08:54,307 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.5) internal successors, (51), 4 states have internal predecessors, (51), 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 12:08:54,307 INFO L276 IsEmpty]: Start isEmpty. Operand 49024 states and 65650 transitions. [2022-12-13 12:08:54,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2022-12-13 12:08:54,309 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 12:08:54,309 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 7, 7, 7, 7, 7, 7, 4, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 12:08:54,309 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-12-13 12:08:54,309 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 12:08:54,309 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 12:08:54,310 INFO L85 PathProgramCache]: Analyzing trace with hash -463323798, now seen corresponding path program 1 times [2022-12-13 12:08:54,310 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 12:08:54,310 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1751402747] [2022-12-13 12:08:54,310 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 12:08:54,310 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 12:08:54,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:08:54,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-12-13 12:08:54,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:08:54,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:08:54,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:08:54,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-12-13 12:08:54,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:08:54,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:08:54,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:08:54,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-12-13 12:08:54,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:08:54,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:08:54,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:08:54,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-12-13 12:08:54,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:08:54,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:08:54,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:08:54,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-12-13 12:08:54,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:08:54,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:08:54,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:08:54,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-12-13 12:08:54,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:08:54,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:08:54,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:08:54,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-12-13 12:08:54,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:08:54,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:08:54,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:08:54,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-12-13 12:08:54,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:08:54,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2022-12-13 12:08:54,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:08:54,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2022-12-13 12:08:54,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:08:54,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2022-12-13 12:08:54,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:08:54,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-12-13 12:08:54,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:08:54,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:08:54,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:08:54,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2022-12-13 12:08:54,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:08:54,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2022-12-13 12:08:54,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:08:54,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2022-12-13 12:08:54,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:08:54,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2022-12-13 12:08:54,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:08:54,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2022-12-13 12:08:54,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:08:54,645 INFO L134 CoverageAnalysis]: Checked inductivity of 329 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 325 trivial. 0 not checked. [2022-12-13 12:08:54,646 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 12:08:54,646 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1751402747] [2022-12-13 12:08:54,646 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1751402747] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 12:08:54,646 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 12:08:54,646 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-12-13 12:08:54,646 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [773076619] [2022-12-13 12:08:54,646 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 12:08:54,646 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-13 12:08:54,646 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 12:08:54,647 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 12:08:54,647 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-12-13 12:08:54,647 INFO L87 Difference]: Start difference. First operand 49024 states and 65650 transitions. Second operand has 6 states, 6 states have (on average 8.5) internal successors, (51), 4 states have internal predecessors, (51), 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 12:08:58,896 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 12:08:58,896 INFO L93 Difference]: Finished difference Result 51666 states and 69736 transitions. [2022-12-13 12:08:58,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-13 12:08:58,897 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.5) internal successors, (51), 4 states have internal predecessors, (51), 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 163 [2022-12-13 12:08:58,897 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 12:08:59,025 INFO L225 Difference]: With dead ends: 51666 [2022-12-13 12:08:59,025 INFO L226 Difference]: Without dead ends: 51664 [2022-12-13 12:08:59,041 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 12:08:59,042 INFO L413 NwaCegarLoop]: 1486 mSDtfsCounter, 2412 mSDsluCounter, 3194 mSDsCounter, 0 mSdLazyCounter, 3681 mSolverCounterSat, 1100 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2705 SdHoareTripleChecker+Valid, 4680 SdHoareTripleChecker+Invalid, 4781 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1100 IncrementalHoareTripleChecker+Valid, 3681 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2022-12-13 12:08:59,042 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2705 Valid, 4680 Invalid, 4781 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1100 Valid, 3681 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2022-12-13 12:08:59,081 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51664 states. [2022-12-13 12:09:01,250 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51664 to 49028. [2022-12-13 12:09:01,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 49028 states, 32043 states have (on average 1.209312486346472) internal successors, (38750), 33007 states have internal predecessors, (38750), 13372 states have call successors, (13372), 3623 states have call predecessors, (13372), 3610 states have return successors, (13531), 13109 states have call predecessors, (13531), 13369 states have call successors, (13531) [2022-12-13 12:09:01,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49028 states to 49028 states and 65653 transitions. [2022-12-13 12:09:01,428 INFO L78 Accepts]: Start accepts. Automaton has 49028 states and 65653 transitions. Word has length 163 [2022-12-13 12:09:01,429 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 12:09:01,429 INFO L495 AbstractCegarLoop]: Abstraction has 49028 states and 65653 transitions. [2022-12-13 12:09:01,429 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.5) internal successors, (51), 4 states have internal predecessors, (51), 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 12:09:01,429 INFO L276 IsEmpty]: Start isEmpty. Operand 49028 states and 65653 transitions. [2022-12-13 12:09:01,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2022-12-13 12:09:01,432 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 12:09:01,432 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 7, 7, 7, 7, 7, 7, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 12:09:01,432 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-12-13 12:09:01,432 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 12:09:01,433 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 12:09:01,433 INFO L85 PathProgramCache]: Analyzing trace with hash -41830145, now seen corresponding path program 1 times [2022-12-13 12:09:01,433 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 12:09:01,433 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [126930281] [2022-12-13 12:09:01,433 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 12:09:01,433 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 12:09:01,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:09:01,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-12-13 12:09:01,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:09:01,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:09:01,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:09:01,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-12-13 12:09:01,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:09:01,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:09:01,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:09:01,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-12-13 12:09:01,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:09:01,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:09:01,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:09:01,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-12-13 12:09:01,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:09:01,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:09:01,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:09:01,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-12-13 12:09:01,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:09:01,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:09:01,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:09:01,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-12-13 12:09:01,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:09:01,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:09:01,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:09:01,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-12-13 12:09:01,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:09:01,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:09:01,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:09:01,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-12-13 12:09:01,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:09:01,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2022-12-13 12:09:01,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:09:01,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2022-12-13 12:09:01,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:09:01,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2022-12-13 12:09:01,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:09:01,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-12-13 12:09:01,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:09:01,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:09:01,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:09:01,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2022-12-13 12:09:01,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:09:01,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2022-12-13 12:09:01,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:09:01,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2022-12-13 12:09:01,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:09:01,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2022-12-13 12:09:01,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:09:01,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2022-12-13 12:09:01,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:09:01,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2022-12-13 12:09:01,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:09:01,923 INFO L134 CoverageAnalysis]: Checked inductivity of 339 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 333 trivial. 0 not checked. [2022-12-13 12:09:01,924 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 12:09:01,924 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [126930281] [2022-12-13 12:09:01,924 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [126930281] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 12:09:01,924 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 12:09:01,924 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-12-13 12:09:01,924 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [611499970] [2022-12-13 12:09:01,924 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 12:09:01,924 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-13 12:09:01,924 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 12:09:01,925 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 12:09:01,925 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-12-13 12:09:01,925 INFO L87 Difference]: Start difference. First operand 49028 states and 65653 transitions. Second operand has 6 states, 6 states have (on average 8.5) internal successors, (51), 4 states have internal predecessors, (51), 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 12:09:06,625 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 12:09:06,625 INFO L93 Difference]: Finished difference Result 51670 states and 69739 transitions. [2022-12-13 12:09:06,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-13 12:09:06,626 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.5) internal successors, (51), 4 states have internal predecessors, (51), 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 168 [2022-12-13 12:09:06,626 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 12:09:06,766 INFO L225 Difference]: With dead ends: 51670 [2022-12-13 12:09:06,767 INFO L226 Difference]: Without dead ends: 51668 [2022-12-13 12:09:06,788 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 12:09:06,789 INFO L413 NwaCegarLoop]: 1486 mSDtfsCounter, 2412 mSDsluCounter, 3194 mSDsCounter, 0 mSdLazyCounter, 3681 mSolverCounterSat, 1099 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2705 SdHoareTripleChecker+Valid, 4680 SdHoareTripleChecker+Invalid, 4780 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1099 IncrementalHoareTripleChecker+Valid, 3681 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2022-12-13 12:09:06,789 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2705 Valid, 4680 Invalid, 4780 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1099 Valid, 3681 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2022-12-13 12:09:06,828 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51668 states. [2022-12-13 12:09:09,164 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51668 to 49032. [2022-12-13 12:09:09,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 49032 states, 32046 states have (on average 1.209292891468514) internal successors, (38753), 33010 states have internal predecessors, (38753), 13372 states have call successors, (13372), 3624 states have call predecessors, (13372), 3611 states have return successors, (13531), 13109 states have call predecessors, (13531), 13369 states have call successors, (13531) [2022-12-13 12:09:09,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49032 states to 49032 states and 65656 transitions. [2022-12-13 12:09:09,330 INFO L78 Accepts]: Start accepts. Automaton has 49032 states and 65656 transitions. Word has length 168 [2022-12-13 12:09:09,330 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 12:09:09,330 INFO L495 AbstractCegarLoop]: Abstraction has 49032 states and 65656 transitions. [2022-12-13 12:09:09,330 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.5) internal successors, (51), 4 states have internal predecessors, (51), 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 12:09:09,331 INFO L276 IsEmpty]: Start isEmpty. Operand 49032 states and 65656 transitions. [2022-12-13 12:09:09,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2022-12-13 12:09:09,332 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 12:09:09,333 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 7, 7, 7, 7, 7, 7, 5, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 12:09:09,333 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-12-13 12:09:09,333 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 12:09:09,333 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 12:09:09,333 INFO L85 PathProgramCache]: Analyzing trace with hash -1573500342, now seen corresponding path program 1 times [2022-12-13 12:09:09,333 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 12:09:09,334 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1127505105] [2022-12-13 12:09:09,334 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 12:09:09,334 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 12:09:09,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:09:09,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-12-13 12:09:09,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:09:09,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:09:09,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:09:09,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-12-13 12:09:09,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:09:09,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:09:09,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:09:09,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-12-13 12:09:09,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:09:09,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:09:09,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:09:09,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-12-13 12:09:09,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:09:09,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:09:09,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:09:09,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-12-13 12:09:09,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:09:09,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:09:09,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:09:09,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-12-13 12:09:09,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:09:09,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:09:09,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:09:09,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-12-13 12:09:09,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:09:09,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:09:09,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:09:09,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-12-13 12:09:09,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:09:09,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2022-12-13 12:09:09,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:09:09,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2022-12-13 12:09:09,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:09:09,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2022-12-13 12:09:09,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:09:09,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-12-13 12:09:09,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:09:09,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:09:09,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:09:09,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2022-12-13 12:09:09,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:09:09,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2022-12-13 12:09:09,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:09:09,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2022-12-13 12:09:09,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:09:09,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2022-12-13 12:09:09,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:09:09,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2022-12-13 12:09:09,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:09:09,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2022-12-13 12:09:09,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:09:09,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2022-12-13 12:09:09,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:09:09,648 INFO L134 CoverageAnalysis]: Checked inductivity of 353 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 345 trivial. 0 not checked. [2022-12-13 12:09:09,648 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 12:09:09,648 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1127505105] [2022-12-13 12:09:09,648 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1127505105] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 12:09:09,648 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 12:09:09,648 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-12-13 12:09:09,649 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1508775657] [2022-12-13 12:09:09,649 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 12:09:09,649 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-13 12:09:09,649 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 12:09:09,649 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 12:09:09,649 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-12-13 12:09:09,650 INFO L87 Difference]: Start difference. First operand 49032 states and 65656 transitions. Second operand has 6 states, 6 states have (on average 8.5) internal successors, (51), 4 states have internal predecessors, (51), 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 12:09:14,368 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 12:09:14,368 INFO L93 Difference]: Finished difference Result 51674 states and 69742 transitions. [2022-12-13 12:09:14,369 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-13 12:09:14,369 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.5) internal successors, (51), 4 states have internal predecessors, (51), 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 173 [2022-12-13 12:09:14,370 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 12:09:14,513 INFO L225 Difference]: With dead ends: 51674 [2022-12-13 12:09:14,514 INFO L226 Difference]: Without dead ends: 51672 [2022-12-13 12:09:14,530 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 12:09:14,531 INFO L413 NwaCegarLoop]: 1486 mSDtfsCounter, 2412 mSDsluCounter, 3194 mSDsCounter, 0 mSdLazyCounter, 3681 mSolverCounterSat, 1098 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2705 SdHoareTripleChecker+Valid, 4680 SdHoareTripleChecker+Invalid, 4779 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1098 IncrementalHoareTripleChecker+Valid, 3681 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2022-12-13 12:09:14,531 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2705 Valid, 4680 Invalid, 4779 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1098 Valid, 3681 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2022-12-13 12:09:14,567 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51672 states. [2022-12-13 12:09:17,102 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51672 to 49036. [2022-12-13 12:09:17,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 49036 states, 32049 states have (on average 1.2092733002589784) internal successors, (38756), 33013 states have internal predecessors, (38756), 13372 states have call successors, (13372), 3625 states have call predecessors, (13372), 3612 states have return successors, (13531), 13109 states have call predecessors, (13531), 13369 states have call successors, (13531) [2022-12-13 12:09:17,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49036 states to 49036 states and 65659 transitions. [2022-12-13 12:09:17,276 INFO L78 Accepts]: Start accepts. Automaton has 49036 states and 65659 transitions. Word has length 173 [2022-12-13 12:09:17,276 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 12:09:17,276 INFO L495 AbstractCegarLoop]: Abstraction has 49036 states and 65659 transitions. [2022-12-13 12:09:17,276 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.5) internal successors, (51), 4 states have internal predecessors, (51), 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 12:09:17,276 INFO L276 IsEmpty]: Start isEmpty. Operand 49036 states and 65659 transitions. [2022-12-13 12:09:17,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2022-12-13 12:09:17,279 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 12:09:17,279 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 5, 5, 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] [2022-12-13 12:09:17,279 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-12-13 12:09:17,279 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 12:09:17,279 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 12:09:17,280 INFO L85 PathProgramCache]: Analyzing trace with hash 1722951500, now seen corresponding path program 1 times [2022-12-13 12:09:17,280 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 12:09:17,280 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [110535464] [2022-12-13 12:09:17,280 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 12:09:17,280 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 12:09:17,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:09:17,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-12-13 12:09:17,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:09:17,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:09:17,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:09:17,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-12-13 12:09:17,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:09:17,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:09:17,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:09:17,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-12-13 12:09:17,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:09:17,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:09:17,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:09:17,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-12-13 12:09:17,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:09:17,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:09:17,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:09:17,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-12-13 12:09:17,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:09:17,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:09:17,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:09:17,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-12-13 12:09:17,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:09:17,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:09:17,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:09:17,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-12-13 12:09:17,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:09:17,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:09:17,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:09:17,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-12-13 12:09:17,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:09:17,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2022-12-13 12:09:17,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:09:17,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2022-12-13 12:09:17,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:09:17,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2022-12-13 12:09:17,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:09:17,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-12-13 12:09:17,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:09:17,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:09:17,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:09:17,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2022-12-13 12:09:17,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:09:17,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2022-12-13 12:09:17,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:09:17,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2022-12-13 12:09:17,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:09:17,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2022-12-13 12:09:17,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:09:17,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2022-12-13 12:09:17,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:09:17,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2022-12-13 12:09:17,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:09:17,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2022-12-13 12:09:17,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:09:17,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2022-12-13 12:09:17,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:09:17,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2022-12-13 12:09:17,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:09:17,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2022-12-13 12:09:17,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:09:17,611 INFO L134 CoverageAnalysis]: Checked inductivity of 406 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 396 trivial. 0 not checked. [2022-12-13 12:09:17,611 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 12:09:17,611 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [110535464] [2022-12-13 12:09:17,611 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [110535464] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 12:09:17,611 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 12:09:17,611 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-12-13 12:09:17,611 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1884231109] [2022-12-13 12:09:17,611 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 12:09:17,612 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-13 12:09:17,612 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 12:09:17,612 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 12:09:17,612 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-12-13 12:09:17,612 INFO L87 Difference]: Start difference. First operand 49036 states and 65659 transitions. Second operand has 6 states, 6 states have (on average 10.0) internal successors, (60), 4 states have internal predecessors, (60), 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 12:09:22,569 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 12:09:22,569 INFO L93 Difference]: Finished difference Result 51678 states and 69745 transitions. [2022-12-13 12:09:22,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-13 12:09:22,570 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.0) internal successors, (60), 4 states have internal predecessors, (60), 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 196 [2022-12-13 12:09:22,571 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 12:09:22,709 INFO L225 Difference]: With dead ends: 51678 [2022-12-13 12:09:22,709 INFO L226 Difference]: Without dead ends: 51676 [2022-12-13 12:09:22,731 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 12:09:22,732 INFO L413 NwaCegarLoop]: 1486 mSDtfsCounter, 2403 mSDsluCounter, 3194 mSDsCounter, 0 mSdLazyCounter, 3681 mSolverCounterSat, 1097 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2694 SdHoareTripleChecker+Valid, 4680 SdHoareTripleChecker+Invalid, 4778 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1097 IncrementalHoareTripleChecker+Valid, 3681 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2022-12-13 12:09:22,732 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2694 Valid, 4680 Invalid, 4778 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1097 Valid, 3681 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2022-12-13 12:09:22,770 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51676 states. [2022-12-13 12:09:25,157 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51676 to 49040. [2022-12-13 12:09:25,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 49040 states, 32052 states have (on average 1.2092537127168352) internal successors, (38759), 33016 states have internal predecessors, (38759), 13372 states have call successors, (13372), 3626 states have call predecessors, (13372), 3613 states have return successors, (13531), 13109 states have call predecessors, (13531), 13369 states have call successors, (13531) [2022-12-13 12:09:25,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49040 states to 49040 states and 65662 transitions. [2022-12-13 12:09:25,320 INFO L78 Accepts]: Start accepts. Automaton has 49040 states and 65662 transitions. Word has length 196 [2022-12-13 12:09:25,321 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 12:09:25,321 INFO L495 AbstractCegarLoop]: Abstraction has 49040 states and 65662 transitions. [2022-12-13 12:09:25,321 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.0) internal successors, (60), 4 states have internal predecessors, (60), 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 12:09:25,321 INFO L276 IsEmpty]: Start isEmpty. Operand 49040 states and 65662 transitions. [2022-12-13 12:09:25,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 202 [2022-12-13 12:09:25,323 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 12:09:25,323 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 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] [2022-12-13 12:09:25,324 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-12-13 12:09:25,324 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 12:09:25,324 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 12:09:25,324 INFO L85 PathProgramCache]: Analyzing trace with hash -1346767971, now seen corresponding path program 1 times [2022-12-13 12:09:25,325 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 12:09:25,325 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1350745624] [2022-12-13 12:09:25,325 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 12:09:25,325 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 12:09:25,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:09:25,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-12-13 12:09:25,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:09:25,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:09:25,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:09:25,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-12-13 12:09:25,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:09:25,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:09:25,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:09:25,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-12-13 12:09:25,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:09:25,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:09:25,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:09:25,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-12-13 12:09:25,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:09:25,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:09:25,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:09:25,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-12-13 12:09:25,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:09:25,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:09:25,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:09:25,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-12-13 12:09:25,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:09:25,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:09:25,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:09:25,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-12-13 12:09:25,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:09:25,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:09:25,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:09:25,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-12-13 12:09:25,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:09:25,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2022-12-13 12:09:25,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:09:25,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2022-12-13 12:09:25,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:09:25,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2022-12-13 12:09:25,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:09:25,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-12-13 12:09:25,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:09:25,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:09:25,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:09:25,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2022-12-13 12:09:25,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:09:25,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2022-12-13 12:09:25,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:09:25,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2022-12-13 12:09:25,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:09:25,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2022-12-13 12:09:25,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:09:25,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2022-12-13 12:09:25,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:09:25,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2022-12-13 12:09:25,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:09:25,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2022-12-13 12:09:25,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:09:25,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2022-12-13 12:09:25,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:09:25,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2022-12-13 12:09:25,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:09:25,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2022-12-13 12:09:25,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:09:25,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2022-12-13 12:09:25,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:09:25,631 INFO L134 CoverageAnalysis]: Checked inductivity of 428 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 416 trivial. 0 not checked. [2022-12-13 12:09:25,631 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 12:09:25,632 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1350745624] [2022-12-13 12:09:25,632 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1350745624] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 12:09:25,632 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 12:09:25,632 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-12-13 12:09:25,632 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [644155668] [2022-12-13 12:09:25,632 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 12:09:25,633 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-13 12:09:25,633 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 12:09:25,633 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 12:09:25,634 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-12-13 12:09:25,634 INFO L87 Difference]: Start difference. First operand 49040 states and 65662 transitions. Second operand has 6 states, 6 states have (on average 10.0) internal successors, (60), 4 states have internal predecessors, (60), 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 12:09:35,339 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 12:09:35,340 INFO L93 Difference]: Finished difference Result 99695 states and 135297 transitions. [2022-12-13 12:09:35,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-12-13 12:09:35,341 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.0) internal successors, (60), 4 states have internal predecessors, (60), 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 201 [2022-12-13 12:09:35,341 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 12:09:35,609 INFO L225 Difference]: With dead ends: 99695 [2022-12-13 12:09:35,609 INFO L226 Difference]: Without dead ends: 99693 [2022-12-13 12:09:35,636 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 63 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2022-12-13 12:09:35,637 INFO L413 NwaCegarLoop]: 1915 mSDtfsCounter, 2993 mSDsluCounter, 4798 mSDsCounter, 0 mSdLazyCounter, 6516 mSolverCounterSat, 1353 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3446 SdHoareTripleChecker+Valid, 6713 SdHoareTripleChecker+Invalid, 7869 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1353 IncrementalHoareTripleChecker+Valid, 6516 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.3s IncrementalHoareTripleChecker+Time [2022-12-13 12:09:35,637 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3446 Valid, 6713 Invalid, 7869 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1353 Valid, 6516 Invalid, 0 Unknown, 0 Unchecked, 4.3s Time] [2022-12-13 12:09:35,708 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 99693 states. [2022-12-13 12:09:40,823 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 99693 to 94459. [2022-12-13 12:09:40,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 94459 states, 61945 states have (on average 1.2106061829041892) internal successors, (74991), 63971 states have internal predecessors, (74991), 25516 states have call successors, (25516), 7153 states have call predecessors, (25516), 6995 states have return successors, (26502), 24620 states have call predecessors, (26502), 25510 states have call successors, (26502) [2022-12-13 12:09:41,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94459 states to 94459 states and 127009 transitions. [2022-12-13 12:09:41,174 INFO L78 Accepts]: Start accepts. Automaton has 94459 states and 127009 transitions. Word has length 201 [2022-12-13 12:09:41,174 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 12:09:41,174 INFO L495 AbstractCegarLoop]: Abstraction has 94459 states and 127009 transitions. [2022-12-13 12:09:41,174 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.0) internal successors, (60), 4 states have internal predecessors, (60), 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 12:09:41,174 INFO L276 IsEmpty]: Start isEmpty. Operand 94459 states and 127009 transitions. [2022-12-13 12:09:41,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207 [2022-12-13 12:09:41,177 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 12:09:41,177 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 8, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 12:09:41,177 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-12-13 12:09:41,177 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 12:09:41,178 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 12:09:41,178 INFO L85 PathProgramCache]: Analyzing trace with hash -1710798420, now seen corresponding path program 1 times [2022-12-13 12:09:41,178 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 12:09:41,178 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1177078446] [2022-12-13 12:09:41,178 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 12:09:41,178 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 12:09:41,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:09:41,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-12-13 12:09:41,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:09:41,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:09:41,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:09:41,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-12-13 12:09:41,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:09:41,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:09:41,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:09:41,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-12-13 12:09:41,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:09:41,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:09:41,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:09:41,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-12-13 12:09:41,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:09:41,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:09:41,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:09:41,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-12-13 12:09:41,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:09:41,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:09:41,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:09:41,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-12-13 12:09:41,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:09:41,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:09:41,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:09:41,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-12-13 12:09:41,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:09:41,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:09:41,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:09:41,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-12-13 12:09:41,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:09:41,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2022-12-13 12:09:41,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:09:41,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2022-12-13 12:09:41,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:09:41,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2022-12-13 12:09:41,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:09:41,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-12-13 12:09:41,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:09:41,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:09:41,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:09:41,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2022-12-13 12:09:41,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:09:41,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2022-12-13 12:09:41,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:09:41,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2022-12-13 12:09:41,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:09:41,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2022-12-13 12:09:41,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:09:41,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2022-12-13 12:09:41,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:09:41,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2022-12-13 12:09:41,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:09:41,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2022-12-13 12:09:41,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:09:41,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2022-12-13 12:09:41,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:09:41,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2022-12-13 12:09:41,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:09:41,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2022-12-13 12:09:41,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:09:41,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2022-12-13 12:09:41,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:09:41,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2022-12-13 12:09:41,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:09:41,665 INFO L134 CoverageAnalysis]: Checked inductivity of 454 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 440 trivial. 0 not checked. [2022-12-13 12:09:41,665 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 12:09:41,665 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1177078446] [2022-12-13 12:09:41,665 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1177078446] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 12:09:41,665 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 12:09:41,665 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-12-13 12:09:41,666 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [420548620] [2022-12-13 12:09:41,666 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 12:09:41,666 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-13 12:09:41,666 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 12:09:41,666 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 12:09:41,666 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-12-13 12:09:41,667 INFO L87 Difference]: Start difference. First operand 94459 states and 127009 transitions. Second operand has 6 states, 6 states have (on average 10.0) internal successors, (60), 4 states have internal predecessors, (60), 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 12:09:49,414 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 12:09:49,414 INFO L93 Difference]: Finished difference Result 99605 states and 135209 transitions. [2022-12-13 12:09:49,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-13 12:09:49,414 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.0) internal successors, (60), 4 states have internal predecessors, (60), 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 206 [2022-12-13 12:09:49,415 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 12:09:49,686 INFO L225 Difference]: With dead ends: 99605 [2022-12-13 12:09:49,686 INFO L226 Difference]: Without dead ends: 99603 [2022-12-13 12:09:49,717 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 12:09:49,718 INFO L413 NwaCegarLoop]: 1486 mSDtfsCounter, 2403 mSDsluCounter, 3194 mSDsCounter, 0 mSdLazyCounter, 3681 mSolverCounterSat, 1095 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2694 SdHoareTripleChecker+Valid, 4680 SdHoareTripleChecker+Invalid, 4776 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1095 IncrementalHoareTripleChecker+Valid, 3681 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2022-12-13 12:09:49,718 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2694 Valid, 4680 Invalid, 4776 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1095 Valid, 3681 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2022-12-13 12:09:49,791 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 99603 states. [2022-12-13 12:09:55,248 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 99603 to 94467. [2022-12-13 12:09:55,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 94467 states, 61951 states have (on average 1.210585785540185) internal successors, (74997), 63977 states have internal predecessors, (74997), 25516 states have call successors, (25516), 7155 states have call predecessors, (25516), 6997 states have return successors, (26502), 24620 states have call predecessors, (26502), 25510 states have call successors, (26502) [2022-12-13 12:09:55,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94467 states to 94467 states and 127015 transitions. [2022-12-13 12:09:55,687 INFO L78 Accepts]: Start accepts. Automaton has 94467 states and 127015 transitions. Word has length 206 [2022-12-13 12:09:55,687 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 12:09:55,688 INFO L495 AbstractCegarLoop]: Abstraction has 94467 states and 127015 transitions. [2022-12-13 12:09:55,688 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.0) internal successors, (60), 4 states have internal predecessors, (60), 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 12:09:55,688 INFO L276 IsEmpty]: Start isEmpty. Operand 94467 states and 127015 transitions. [2022-12-13 12:09:55,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2022-12-13 12:09:55,691 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 12:09:55,691 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 9, 8, 8, 7, 7, 7, 7, 7, 7, 4, 4, 4, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 12:09:55,691 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-12-13 12:09:55,691 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 12:09:55,692 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 12:09:55,692 INFO L85 PathProgramCache]: Analyzing trace with hash -307385334, now seen corresponding path program 1 times [2022-12-13 12:09:55,692 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 12:09:55,692 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [350947308] [2022-12-13 12:09:55,692 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 12:09:55,692 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 12:09:55,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:09:55,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-12-13 12:09:55,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:09:55,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:09:55,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:09:55,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-12-13 12:09:55,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:09:55,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:09:55,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:09:55,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-12-13 12:09:55,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:09:55,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:09:55,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:09:55,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-12-13 12:09:55,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:09:55,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:09:55,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:09:55,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-12-13 12:09:55,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:09:55,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:09:55,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:09:55,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-12-13 12:09:55,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:09:55,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:09:55,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:09:55,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-12-13 12:09:55,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:09:55,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:09:55,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:09:55,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-12-13 12:09:55,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:09:55,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2022-12-13 12:09:55,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:09:55,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2022-12-13 12:09:55,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:09:55,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2022-12-13 12:09:55,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:09:55,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-12-13 12:09:55,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:09:55,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:09:55,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:09:55,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2022-12-13 12:09:55,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:09:56,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2022-12-13 12:09:56,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:09:56,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2022-12-13 12:09:56,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:09:56,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2022-12-13 12:09:56,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:09:56,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2022-12-13 12:09:56,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:09:56,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2022-12-13 12:09:56,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:09:56,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2022-12-13 12:09:56,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:09:56,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2022-12-13 12:09:56,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:09:56,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2022-12-13 12:09:56,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:09:56,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-12-13 12:09:56,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:09:56,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2022-12-13 12:09:56,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:09:56,054 INFO L134 CoverageAnalysis]: Checked inductivity of 449 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 433 trivial. 0 not checked. [2022-12-13 12:09:56,054 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 12:09:56,054 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [350947308] [2022-12-13 12:09:56,055 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [350947308] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 12:09:56,055 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 12:09:56,055 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-12-13 12:09:56,055 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [782323701] [2022-12-13 12:09:56,055 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 12:09:56,055 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-13 12:09:56,056 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 12:09:56,056 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 12:09:56,056 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-12-13 12:09:56,056 INFO L87 Difference]: Start difference. First operand 94467 states and 127015 transitions. Second operand has 6 states, 6 states have (on average 8.5) internal successors, (51), 4 states have internal predecessors, (51), 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 12:10:05,667 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 12:10:05,667 INFO L93 Difference]: Finished difference Result 107517 states and 144551 transitions. [2022-12-13 12:10:05,668 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-12-13 12:10:05,668 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.5) internal successors, (51), 4 states have internal predecessors, (51), 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 193 [2022-12-13 12:10:05,668 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 12:10:05,982 INFO L225 Difference]: With dead ends: 107517 [2022-12-13 12:10:05,983 INFO L226 Difference]: Without dead ends: 107515 [2022-12-13 12:10:06,016 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 12:10:06,017 INFO L413 NwaCegarLoop]: 1516 mSDtfsCounter, 2416 mSDsluCounter, 3363 mSDsCounter, 0 mSdLazyCounter, 4043 mSolverCounterSat, 1043 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2698 SdHoareTripleChecker+Valid, 4879 SdHoareTripleChecker+Invalid, 5086 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1043 IncrementalHoareTripleChecker+Valid, 4043 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.2s IncrementalHoareTripleChecker+Time [2022-12-13 12:10:06,017 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2698 Valid, 4879 Invalid, 5086 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1043 Valid, 4043 Invalid, 0 Unknown, 0 Unchecked, 3.2s Time] [2022-12-13 12:10:06,092 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107515 states. [2022-12-13 12:10:12,347 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107515 to 102375. [2022-12-13 12:10:12,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 102375 states, 67085 states have (on average 1.2074383245136766) internal successors, (81001), 69207 states have internal predecessors, (81001), 27184 states have call successors, (27184), 8261 states have call predecessors, (27184), 8103 states have return successors, (28170), 26288 states have call predecessors, (28170), 27178 states have call successors, (28170) [2022-12-13 12:10:12,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102375 states to 102375 states and 136355 transitions. [2022-12-13 12:10:12,715 INFO L78 Accepts]: Start accepts. Automaton has 102375 states and 136355 transitions. Word has length 193 [2022-12-13 12:10:12,715 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 12:10:12,715 INFO L495 AbstractCegarLoop]: Abstraction has 102375 states and 136355 transitions. [2022-12-13 12:10:12,716 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.5) internal successors, (51), 4 states have internal predecessors, (51), 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 12:10:12,716 INFO L276 IsEmpty]: Start isEmpty. Operand 102375 states and 136355 transitions. [2022-12-13 12:10:12,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2022-12-13 12:10:12,718 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 12:10:12,718 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 10, 9, 9, 7, 7, 7, 7, 7, 7, 4, 4, 4, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 12:10:12,718 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-12-13 12:10:12,718 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 12:10:12,719 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 12:10:12,719 INFO L85 PathProgramCache]: Analyzing trace with hash -773784353, now seen corresponding path program 1 times [2022-12-13 12:10:12,719 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 12:10:12,719 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1460155202] [2022-12-13 12:10:12,719 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 12:10:12,719 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 12:10:12,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:10:12,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-12-13 12:10:12,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:10:12,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:10:12,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:10:12,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-12-13 12:10:12,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:10:12,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:10:12,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:10:12,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-12-13 12:10:12,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:10:12,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:10:12,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:10:12,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-12-13 12:10:12,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:10:12,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:10:12,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:10:12,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-12-13 12:10:12,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:10:12,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:10:12,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:10:12,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-12-13 12:10:12,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:10:12,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:10:12,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:10:12,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-12-13 12:10:12,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:10:12,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:10:12,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:10:12,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-12-13 12:10:12,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:10:12,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2022-12-13 12:10:12,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:10:12,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2022-12-13 12:10:12,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:10:12,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2022-12-13 12:10:12,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:10:12,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-12-13 12:10:12,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:10:12,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:10:12,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:10:12,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2022-12-13 12:10:12,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:10:12,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2022-12-13 12:10:12,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:10:12,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2022-12-13 12:10:12,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:10:12,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2022-12-13 12:10:12,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:10:12,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2022-12-13 12:10:12,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:10:12,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2022-12-13 12:10:12,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:10:12,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2022-12-13 12:10:12,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:10:12,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2022-12-13 12:10:12,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:10:12,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2022-12-13 12:10:12,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:10:12,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-12-13 12:10:12,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:10:12,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2022-12-13 12:10:12,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:10:12,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2022-12-13 12:10:12,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:10:12,997 INFO L134 CoverageAnalysis]: Checked inductivity of 483 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 465 trivial. 0 not checked. [2022-12-13 12:10:12,997 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 12:10:12,997 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1460155202] [2022-12-13 12:10:12,998 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1460155202] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 12:10:12,998 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 12:10:12,998 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-12-13 12:10:12,998 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [848298829] [2022-12-13 12:10:12,998 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 12:10:12,999 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-13 12:10:12,999 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 12:10:12,999 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 12:10:12,999 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-12-13 12:10:12,999 INFO L87 Difference]: Start difference. First operand 102375 states and 136355 transitions. Second operand has 6 states, 6 states have (on average 8.5) internal successors, (51), 4 states have internal predecessors, (51), 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 12:10:21,683 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 12:10:21,683 INFO L93 Difference]: Finished difference Result 107521 states and 144555 transitions. [2022-12-13 12:10:21,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-13 12:10:21,684 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.5) internal successors, (51), 4 states have internal predecessors, (51), 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 198 [2022-12-13 12:10:21,685 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 12:10:21,971 INFO L225 Difference]: With dead ends: 107521 [2022-12-13 12:10:21,971 INFO L226 Difference]: Without dead ends: 107519 [2022-12-13 12:10:22,001 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 12:10:22,001 INFO L413 NwaCegarLoop]: 1486 mSDtfsCounter, 2412 mSDsluCounter, 3194 mSDsCounter, 0 mSdLazyCounter, 3681 mSolverCounterSat, 1093 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2705 SdHoareTripleChecker+Valid, 4680 SdHoareTripleChecker+Invalid, 4774 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1093 IncrementalHoareTripleChecker+Valid, 3681 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2022-12-13 12:10:22,002 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2705 Valid, 4680 Invalid, 4774 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1093 Valid, 3681 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2022-12-13 12:10:22,081 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107519 states. [2022-12-13 12:10:28,261 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107519 to 102383. [2022-12-13 12:10:28,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 102383 states, 67091 states have (on average 1.207419773143939) internal successors, (81007), 69213 states have internal predecessors, (81007), 27184 states have call successors, (27184), 8263 states have call predecessors, (27184), 8105 states have return successors, (28170), 26288 states have call predecessors, (28170), 27178 states have call successors, (28170) [2022-12-13 12:10:28,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102383 states to 102383 states and 136361 transitions. [2022-12-13 12:10:28,627 INFO L78 Accepts]: Start accepts. Automaton has 102383 states and 136361 transitions. Word has length 198 [2022-12-13 12:10:28,628 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 12:10:28,628 INFO L495 AbstractCegarLoop]: Abstraction has 102383 states and 136361 transitions. [2022-12-13 12:10:28,628 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.5) internal successors, (51), 4 states have internal predecessors, (51), 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 12:10:28,628 INFO L276 IsEmpty]: Start isEmpty. Operand 102383 states and 136361 transitions. [2022-12-13 12:10:28,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 222 [2022-12-13 12:10:28,631 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 12:10:28,631 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 10, 10, 7, 7, 7, 7, 7, 7, 6, 6, 6, 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] [2022-12-13 12:10:28,631 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-12-13 12:10:28,631 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 12:10:28,632 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 12:10:28,632 INFO L85 PathProgramCache]: Analyzing trace with hash 300010973, now seen corresponding path program 1 times [2022-12-13 12:10:28,632 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 12:10:28,632 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [287578924] [2022-12-13 12:10:28,632 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 12:10:28,632 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 12:10:28,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:10:28,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-12-13 12:10:28,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:10:28,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:10:28,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:10:28,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-12-13 12:10:28,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:10:28,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:10:28,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:10:28,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-12-13 12:10:28,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:10:28,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:10:28,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:10:28,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-12-13 12:10:28,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:10:28,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:10:28,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:10:28,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-12-13 12:10:28,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:10:28,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:10:28,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:10:28,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-12-13 12:10:28,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:10:28,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:10:28,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:10:28,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-12-13 12:10:28,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:10:28,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:10:28,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:10:28,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-12-13 12:10:28,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:10:28,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2022-12-13 12:10:28,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:10:28,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2022-12-13 12:10:28,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:10:28,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2022-12-13 12:10:28,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:10:28,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-12-13 12:10:28,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:10:28,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:10:28,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:10:28,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2022-12-13 12:10:28,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:10:28,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2022-12-13 12:10:28,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:10:28,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2022-12-13 12:10:28,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:10:28,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2022-12-13 12:10:28,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:10:28,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2022-12-13 12:10:28,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:10:28,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2022-12-13 12:10:28,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:10:28,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2022-12-13 12:10:28,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:10:28,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2022-12-13 12:10:28,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:10:28,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2022-12-13 12:10:28,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:10:28,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2022-12-13 12:10:28,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:10:28,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2022-12-13 12:10:28,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:10:28,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2022-12-13 12:10:28,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:10:28,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2022-12-13 12:10:28,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:10:28,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2022-12-13 12:10:28,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:10:28,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2022-12-13 12:10:28,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:10:28,920 INFO L134 CoverageAnalysis]: Checked inductivity of 556 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 536 trivial. 0 not checked. [2022-12-13 12:10:28,920 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 12:10:28,920 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [287578924] [2022-12-13 12:10:28,920 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [287578924] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 12:10:28,920 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 12:10:28,920 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-12-13 12:10:28,920 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [880529250] [2022-12-13 12:10:28,920 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 12:10:28,921 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-13 12:10:28,921 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 12:10:28,921 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 12:10:28,921 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-12-13 12:10:28,921 INFO L87 Difference]: Start difference. First operand 102383 states and 136361 transitions. Second operand has 6 states, 6 states have (on average 10.0) internal successors, (60), 4 states have internal predecessors, (60), 2 states have call successors, (30), 4 states have call predecessors, (30), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2022-12-13 12:10:37,956 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 12:10:37,956 INFO L93 Difference]: Finished difference Result 107529 states and 144561 transitions. [2022-12-13 12:10:37,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-13 12:10:37,957 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.0) internal successors, (60), 4 states have internal predecessors, (60), 2 states have call successors, (30), 4 states have call predecessors, (30), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) Word has length 221 [2022-12-13 12:10:37,958 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 12:10:38,257 INFO L225 Difference]: With dead ends: 107529 [2022-12-13 12:10:38,257 INFO L226 Difference]: Without dead ends: 107527 [2022-12-13 12:10:38,294 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 71 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 12:10:38,295 INFO L413 NwaCegarLoop]: 1486 mSDtfsCounter, 2403 mSDsluCounter, 3194 mSDsCounter, 0 mSdLazyCounter, 3681 mSolverCounterSat, 1092 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2694 SdHoareTripleChecker+Valid, 4680 SdHoareTripleChecker+Invalid, 4773 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1092 IncrementalHoareTripleChecker+Valid, 3681 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2022-12-13 12:10:38,295 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2694 Valid, 4680 Invalid, 4773 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1092 Valid, 3681 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2022-12-13 12:10:38,377 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107527 states. [2022-12-13 12:10:45,205 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107527 to 102391. [2022-12-13 12:10:45,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 102391 states, 67097 states have (on average 1.207401225092031) internal successors, (81013), 69219 states have internal predecessors, (81013), 27184 states have call successors, (27184), 8265 states have call predecessors, (27184), 8107 states have return successors, (28170), 26288 states have call predecessors, (28170), 27178 states have call successors, (28170) [2022-12-13 12:10:45,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102391 states to 102391 states and 136367 transitions. [2022-12-13 12:10:45,571 INFO L78 Accepts]: Start accepts. Automaton has 102391 states and 136367 transitions. Word has length 221 [2022-12-13 12:10:45,571 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 12:10:45,572 INFO L495 AbstractCegarLoop]: Abstraction has 102391 states and 136367 transitions. [2022-12-13 12:10:45,572 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.0) internal successors, (60), 4 states have internal predecessors, (60), 2 states have call successors, (30), 4 states have call predecessors, (30), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2022-12-13 12:10:45,572 INFO L276 IsEmpty]: Start isEmpty. Operand 102391 states and 136367 transitions. [2022-12-13 12:10:45,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 203 [2022-12-13 12:10:45,574 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 12:10:45,575 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 7, 7, 7, 7, 7, 7, 4, 4, 4, 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] [2022-12-13 12:10:45,575 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-12-13 12:10:45,575 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 12:10:45,575 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 12:10:45,575 INFO L85 PathProgramCache]: Analyzing trace with hash 990719569, now seen corresponding path program 1 times [2022-12-13 12:10:45,575 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 12:10:45,575 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [370291818] [2022-12-13 12:10:45,575 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 12:10:45,576 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 12:10:45,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:10:45,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-12-13 12:10:45,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:10:45,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:10:45,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:10:45,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-12-13 12:10:45,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:10:45,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:10:45,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:10:45,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-12-13 12:10:45,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:10:45,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:10:45,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:10:45,715 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-12-13 12:10:45,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:10:45,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:10:45,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:10:45,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-12-13 12:10:45,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:10:45,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:10:45,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:10:45,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-12-13 12:10:45,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:10:45,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:10:45,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:10:45,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-12-13 12:10:45,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:10:45,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:10:45,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:10:45,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-12-13 12:10:45,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:10:45,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2022-12-13 12:10:45,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:10:45,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2022-12-13 12:10:45,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:10:45,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2022-12-13 12:10:45,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:10:45,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2022-12-13 12:10:45,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:10:45,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2022-12-13 12:10:45,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:10:45,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:10:45,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:10:45,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-12-13 12:10:45,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:10:45,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2022-12-13 12:10:45,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:10:45,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2022-12-13 12:10:45,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:10:45,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:10:45,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:10:45,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2022-12-13 12:10:45,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:10:45,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2022-12-13 12:10:45,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:10:45,784 INFO L134 CoverageAnalysis]: Checked inductivity of 400 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 384 trivial. 0 not checked. [2022-12-13 12:10:45,784 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 12:10:45,785 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [370291818] [2022-12-13 12:10:45,785 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [370291818] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 12:10:45,785 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 12:10:45,785 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-13 12:10:45,785 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1139149769] [2022-12-13 12:10:45,785 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 12:10:45,785 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-13 12:10:45,785 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 12:10:45,786 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-13 12:10:45,786 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-13 12:10:45,786 INFO L87 Difference]: Start difference. First operand 102391 states and 136367 transitions. Second operand has 4 states, 4 states have (on average 21.75) internal successors, (87), 3 states have internal predecessors, (87), 3 states have call successors, (25), 3 states have call predecessors, (25), 1 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) [2022-12-13 12:10:58,537 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 12:10:58,537 INFO L93 Difference]: Finished difference Result 238679 states and 319682 transitions. [2022-12-13 12:10:58,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-13 12:10:58,538 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 21.75) internal successors, (87), 3 states have internal predecessors, (87), 3 states have call successors, (25), 3 states have call predecessors, (25), 1 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) Word has length 202 [2022-12-13 12:10:58,538 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 12:10:58,954 INFO L225 Difference]: With dead ends: 238679 [2022-12-13 12:10:58,955 INFO L226 Difference]: Without dead ends: 136353 [2022-12-13 12:10:59,156 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 56 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 12:10:59,157 INFO L413 NwaCegarLoop]: 2463 mSDtfsCounter, 2066 mSDsluCounter, 2460 mSDsCounter, 0 mSdLazyCounter, 3479 mSolverCounterSat, 891 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2466 SdHoareTripleChecker+Valid, 4923 SdHoareTripleChecker+Invalid, 4370 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 891 IncrementalHoareTripleChecker+Valid, 3479 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.0s IncrementalHoareTripleChecker+Time [2022-12-13 12:10:59,157 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2466 Valid, 4923 Invalid, 4370 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [891 Valid, 3479 Invalid, 0 Unknown, 0 Unchecked, 3.0s Time] [2022-12-13 12:10:59,263 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 136353 states. [2022-12-13 12:11:07,659 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 136353 to 129475. [2022-12-13 12:11:07,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 129475 states, 84883 states have (on average 1.2066609332846387) internal successors, (102425), 87553 states have internal predecessors, (102425), 34280 states have call successors, (34280), 10519 states have call predecessors, (34280), 10309 states have return successors, (35398), 33172 states have call predecessors, (35398), 34274 states have call successors, (35398) [2022-12-13 12:11:08,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129475 states to 129475 states and 172103 transitions. [2022-12-13 12:11:08,150 INFO L78 Accepts]: Start accepts. Automaton has 129475 states and 172103 transitions. Word has length 202 [2022-12-13 12:11:08,151 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 12:11:08,151 INFO L495 AbstractCegarLoop]: Abstraction has 129475 states and 172103 transitions. [2022-12-13 12:11:08,151 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 21.75) internal successors, (87), 3 states have internal predecessors, (87), 3 states have call successors, (25), 3 states have call predecessors, (25), 1 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) [2022-12-13 12:11:08,151 INFO L276 IsEmpty]: Start isEmpty. Operand 129475 states and 172103 transitions. [2022-12-13 12:11:08,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 227 [2022-12-13 12:11:08,152 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 12:11:08,153 INFO L195 NwaCegarLoop]: trace histogram [12, 11, 11, 11, 11, 7, 7, 7, 7, 7, 7, 6, 6, 6, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 12:11:08,153 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-12-13 12:11:08,153 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-12-13 12:11:08,153 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 12:11:08,153 INFO L85 PathProgramCache]: Analyzing trace with hash -429771156, now seen corresponding path program 1 times [2022-12-13 12:11:08,153 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 12:11:08,153 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1771126755] [2022-12-13 12:11:08,154 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 12:11:08,154 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 12:11:08,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:11:08,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-12-13 12:11:08,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:11:08,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:11:08,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:11:08,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-12-13 12:11:08,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:11:08,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:11:08,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:11:08,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-12-13 12:11:08,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:11:08,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:11:08,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:11:08,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-12-13 12:11:08,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:11:08,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:11:08,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:11:08,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-12-13 12:11:08,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:11:08,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:11:08,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:11:08,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-12-13 12:11:08,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:11:08,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:11:08,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:11:08,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-12-13 12:11:08,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:11:08,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:11:08,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:11:08,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-12-13 12:11:08,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:11:08,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2022-12-13 12:11:08,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:11:08,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2022-12-13 12:11:08,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:11:08,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2022-12-13 12:11:08,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:11:08,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-12-13 12:11:08,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:11:08,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:11:08,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:11:08,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2022-12-13 12:11:08,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:11:08,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2022-12-13 12:11:08,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:11:08,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2022-12-13 12:11:08,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:11:08,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2022-12-13 12:11:08,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:11:08,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2022-12-13 12:11:08,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:11:08,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2022-12-13 12:11:08,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:11:08,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2022-12-13 12:11:08,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:11:08,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2022-12-13 12:11:08,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:11:08,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2022-12-13 12:11:08,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:11:08,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2022-12-13 12:11:08,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:11:08,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2022-12-13 12:11:08,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:11:08,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2022-12-13 12:11:08,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:11:08,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2022-12-13 12:11:08,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:11:08,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2022-12-13 12:11:08,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:11:08,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2022-12-13 12:11:08,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:11:08,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2022-12-13 12:11:08,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:11:08,539 INFO L134 CoverageAnalysis]: Checked inductivity of 598 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 576 trivial. 0 not checked. [2022-12-13 12:11:08,539 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 12:11:08,539 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1771126755] [2022-12-13 12:11:08,539 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1771126755] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 12:11:08,540 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 12:11:08,540 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-12-13 12:11:08,540 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [394678245] [2022-12-13 12:11:08,540 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 12:11:08,540 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-13 12:11:08,540 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 12:11:08,540 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 12:11:08,541 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-12-13 12:11:08,541 INFO L87 Difference]: Start difference. First operand 129475 states and 172103 transitions. Second operand has 6 states, 6 states have (on average 10.0) internal successors, (60), 4 states have internal predecessors, (60), 2 states have call successors, (31), 4 states have call predecessors, (31), 1 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) [2022-12-13 12:11:20,495 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 12:11:20,495 INFO L93 Difference]: Finished difference Result 136217 states and 182805 transitions. [2022-12-13 12:11:20,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-13 12:11:20,496 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.0) internal successors, (60), 4 states have internal predecessors, (60), 2 states have call successors, (31), 4 states have call predecessors, (31), 1 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) Word has length 226 [2022-12-13 12:11:20,497 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 12:11:20,889 INFO L225 Difference]: With dead ends: 136217 [2022-12-13 12:11:20,889 INFO L226 Difference]: Without dead ends: 136215 [2022-12-13 12:11:20,935 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 73 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 12:11:20,935 INFO L413 NwaCegarLoop]: 1486 mSDtfsCounter, 2403 mSDsluCounter, 3194 mSDsCounter, 0 mSdLazyCounter, 3681 mSolverCounterSat, 1091 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2694 SdHoareTripleChecker+Valid, 4680 SdHoareTripleChecker+Invalid, 4772 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1091 IncrementalHoareTripleChecker+Valid, 3681 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2022-12-13 12:11:20,936 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2694 Valid, 4680 Invalid, 4772 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1091 Valid, 3681 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2022-12-13 12:11:21,042 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 136215 states. [2022-12-13 12:11:30,424 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 136215 to 129483. [2022-12-13 12:11:30,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 129483 states, 84889 states have (on average 1.206646326379154) internal successors, (102431), 87559 states have internal predecessors, (102431), 34280 states have call successors, (34280), 10521 states have call predecessors, (34280), 10311 states have return successors, (35398), 33172 states have call predecessors, (35398), 34274 states have call successors, (35398) [2022-12-13 12:11:30,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129483 states to 129483 states and 172109 transitions. [2022-12-13 12:11:30,906 INFO L78 Accepts]: Start accepts. Automaton has 129483 states and 172109 transitions. Word has length 226 [2022-12-13 12:11:30,906 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 12:11:30,907 INFO L495 AbstractCegarLoop]: Abstraction has 129483 states and 172109 transitions. [2022-12-13 12:11:30,907 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.0) internal successors, (60), 4 states have internal predecessors, (60), 2 states have call successors, (31), 4 states have call predecessors, (31), 1 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) [2022-12-13 12:11:30,907 INFO L276 IsEmpty]: Start isEmpty. Operand 129483 states and 172109 transitions. [2022-12-13 12:11:30,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2022-12-13 12:11:30,908 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 12:11:30,909 INFO L195 NwaCegarLoop]: trace histogram [13, 12, 12, 11, 11, 7, 7, 7, 7, 7, 7, 6, 6, 6, 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] [2022-12-13 12:11:30,909 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-12-13 12:11:30,909 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-12-13 12:11:30,909 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 12:11:30,909 INFO L85 PathProgramCache]: Analyzing trace with hash 1308944125, now seen corresponding path program 1 times [2022-12-13 12:11:30,909 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 12:11:30,909 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1764595864] [2022-12-13 12:11:30,909 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 12:11:30,910 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 12:11:30,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:11:31,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-12-13 12:11:31,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:11:31,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:11:31,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:11:31,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-12-13 12:11:31,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:11:31,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:11:31,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:11:31,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-12-13 12:11:31,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:11:31,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:11:31,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:11:31,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-12-13 12:11:31,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:11:31,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:11:31,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:11:31,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-12-13 12:11:31,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:11:31,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:11:31,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:11:31,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-12-13 12:11:31,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:11:31,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:11:31,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:11:31,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-12-13 12:11:31,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:11:31,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:11:31,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:11:31,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-12-13 12:11:31,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:11:31,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2022-12-13 12:11:31,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:11:31,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2022-12-13 12:11:31,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:11:31,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2022-12-13 12:11:31,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:11:31,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-12-13 12:11:31,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:11:31,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:11:31,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:11:31,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2022-12-13 12:11:31,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:11:31,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2022-12-13 12:11:31,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:11:31,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2022-12-13 12:11:31,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:11:31,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2022-12-13 12:11:31,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:11:31,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2022-12-13 12:11:31,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:11:31,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2022-12-13 12:11:31,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:11:31,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2022-12-13 12:11:31,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:11:31,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2022-12-13 12:11:31,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:11:31,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2022-12-13 12:11:31,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:11:31,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2022-12-13 12:11:31,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:11:31,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2022-12-13 12:11:31,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:11:31,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2022-12-13 12:11:31,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:11:31,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2022-12-13 12:11:31,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:11:31,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2022-12-13 12:11:31,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:11:31,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2022-12-13 12:11:31,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:11:31,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2022-12-13 12:11:31,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:11:31,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2022-12-13 12:11:31,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:11:31,202 INFO L134 CoverageAnalysis]: Checked inductivity of 644 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 620 trivial. 0 not checked. [2022-12-13 12:11:31,202 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 12:11:31,202 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1764595864] [2022-12-13 12:11:31,202 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1764595864] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 12:11:31,202 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 12:11:31,202 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-12-13 12:11:31,202 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1782192021] [2022-12-13 12:11:31,202 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 12:11:31,203 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-13 12:11:31,203 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 12:11:31,203 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 12:11:31,203 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-12-13 12:11:31,204 INFO L87 Difference]: Start difference. First operand 129483 states and 172109 transitions. Second operand has 6 states, 6 states have (on average 10.0) internal successors, (60), 4 states have internal predecessors, (60), 2 states have call successors, (32), 4 states have call predecessors, (32), 1 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2022-12-13 12:11:42,811 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 12:11:42,812 INFO L93 Difference]: Finished difference Result 136225 states and 182811 transitions. [2022-12-13 12:11:42,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-13 12:11:42,813 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.0) internal successors, (60), 4 states have internal predecessors, (60), 2 states have call successors, (32), 4 states have call predecessors, (32), 1 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) Word has length 231 [2022-12-13 12:11:42,813 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 12:11:43,188 INFO L225 Difference]: With dead ends: 136225 [2022-12-13 12:11:43,188 INFO L226 Difference]: Without dead ends: 136221 [2022-12-13 12:11:43,229 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 75 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 12:11:43,229 INFO L413 NwaCegarLoop]: 1486 mSDtfsCounter, 2403 mSDsluCounter, 3194 mSDsCounter, 0 mSdLazyCounter, 3681 mSolverCounterSat, 1090 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2694 SdHoareTripleChecker+Valid, 4680 SdHoareTripleChecker+Invalid, 4771 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1090 IncrementalHoareTripleChecker+Valid, 3681 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2022-12-13 12:11:43,230 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2694 Valid, 4680 Invalid, 4771 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1090 Valid, 3681 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2022-12-13 12:11:43,336 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 136221 states. [2022-12-13 12:11:52,590 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 136221 to 129489. [2022-12-13 12:11:52,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 129489 states, 84894 states have (on average 1.2066223761396566) internal successors, (102435), 87563 states have internal predecessors, (102435), 34280 states have call successors, (34280), 10523 states have call predecessors, (34280), 10312 states have return successors, (35398), 33172 states have call predecessors, (35398), 34274 states have call successors, (35398) [2022-12-13 12:11:53,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129489 states to 129489 states and 172113 transitions. [2022-12-13 12:11:53,064 INFO L78 Accepts]: Start accepts. Automaton has 129489 states and 172113 transitions. Word has length 231 [2022-12-13 12:11:53,064 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 12:11:53,064 INFO L495 AbstractCegarLoop]: Abstraction has 129489 states and 172113 transitions. [2022-12-13 12:11:53,065 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.0) internal successors, (60), 4 states have internal predecessors, (60), 2 states have call successors, (32), 4 states have call predecessors, (32), 1 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2022-12-13 12:11:53,065 INFO L276 IsEmpty]: Start isEmpty. Operand 129489 states and 172113 transitions. [2022-12-13 12:11:53,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 219 [2022-12-13 12:11:53,066 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 12:11:53,066 INFO L195 NwaCegarLoop]: trace histogram [14, 13, 13, 11, 11, 7, 7, 7, 7, 7, 7, 4, 4, 4, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 12:11:53,066 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-12-13 12:11:53,067 INFO L420 AbstractCegarLoop]: === Iteration 21 === 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 12:11:53,067 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 12:11:53,067 INFO L85 PathProgramCache]: Analyzing trace with hash 342143519, now seen corresponding path program 1 times [2022-12-13 12:11:53,067 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 12:11:53,067 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1336057863] [2022-12-13 12:11:53,067 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 12:11:53,067 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 12:11:53,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:11:53,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-12-13 12:11:53,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:11:53,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:11:53,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:11:53,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-12-13 12:11:53,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:11:53,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:11:53,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:11:53,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-12-13 12:11:53,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:11:53,235 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:11:53,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:11:53,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-12-13 12:11:53,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:11:53,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:11:53,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:11:53,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-12-13 12:11:53,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:11:53,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:11:53,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:11:53,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-12-13 12:11:53,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:11:53,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:11:53,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:11:53,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-12-13 12:11:53,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:11:53,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:11:53,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:11:53,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-12-13 12:11:53,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:11:53,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2022-12-13 12:11:53,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:11:53,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2022-12-13 12:11:53,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:11:53,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2022-12-13 12:11:53,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:11:53,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-12-13 12:11:53,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:11:53,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:11:53,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:11:53,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2022-12-13 12:11:53,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:11:53,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2022-12-13 12:11:53,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:11:53,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2022-12-13 12:11:53,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:11:53,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2022-12-13 12:11:53,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:11:53,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2022-12-13 12:11:53,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:11:53,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2022-12-13 12:11:53,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:11:53,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2022-12-13 12:11:53,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:11:53,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2022-12-13 12:11:53,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:11:53,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2022-12-13 12:11:53,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:11:53,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-12-13 12:11:53,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:11:53,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2022-12-13 12:11:53,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:11:53,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2022-12-13 12:11:53,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:11:53,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2022-12-13 12:11:53,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:11:53,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2022-12-13 12:11:53,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:11:53,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2022-12-13 12:11:53,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:11:53,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2022-12-13 12:11:53,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:11:53,331 INFO L134 CoverageAnalysis]: Checked inductivity of 659 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 633 trivial. 0 not checked. [2022-12-13 12:11:53,331 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 12:11:53,332 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1336057863] [2022-12-13 12:11:53,332 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1336057863] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 12:11:53,332 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 12:11:53,332 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-12-13 12:11:53,332 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [617555341] [2022-12-13 12:11:53,332 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 12:11:53,332 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-13 12:11:53,332 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 12:11:53,333 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 12:11:53,333 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-12-13 12:11:53,333 INFO L87 Difference]: Start difference. First operand 129489 states and 172113 transitions. Second operand has 6 states, 6 states have (on average 8.5) internal successors, (51), 4 states have internal predecessors, (51), 2 states have call successors, (31), 4 states have call predecessors, (31), 1 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) [2022-12-13 12:12:06,116 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 12:12:06,116 INFO L93 Difference]: Finished difference Result 145131 states and 191426 transitions. [2022-12-13 12:12:06,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-12-13 12:12:06,117 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.5) internal successors, (51), 4 states have internal predecessors, (51), 2 states have call successors, (31), 4 states have call predecessors, (31), 1 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) Word has length 218 [2022-12-13 12:12:06,118 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 12:12:06,575 INFO L225 Difference]: With dead ends: 145131 [2022-12-13 12:12:06,576 INFO L226 Difference]: Without dead ends: 144598 [2022-12-13 12:12:06,622 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 73 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 12:12:06,623 INFO L413 NwaCegarLoop]: 1515 mSDtfsCounter, 2394 mSDsluCounter, 3332 mSDsCounter, 0 mSdLazyCounter, 4231 mSolverCounterSat, 1044 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2698 SdHoareTripleChecker+Valid, 4847 SdHoareTripleChecker+Invalid, 5275 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1044 IncrementalHoareTripleChecker+Valid, 4231 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2022-12-13 12:12:06,623 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2698 Valid, 4847 Invalid, 5275 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1044 Valid, 4231 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2022-12-13 12:12:06,731 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 144598 states. [2022-12-13 12:12:17,140 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 144598 to 137881. [2022-12-13 12:12:17,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 137881 states, 90668 states have (on average 1.1993205982264967) internal successors, (108740), 93352 states have internal predecessors, (108740), 35051 states have call successors, (35051), 12375 states have call predecessors, (35051), 12159 states have return successors, (36164), 34001 states have call predecessors, (36164), 35042 states have call successors, (36164) [2022-12-13 12:12:17,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137881 states to 137881 states and 179955 transitions. [2022-12-13 12:12:17,701 INFO L78 Accepts]: Start accepts. Automaton has 137881 states and 179955 transitions. Word has length 218 [2022-12-13 12:12:17,701 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 12:12:17,701 INFO L495 AbstractCegarLoop]: Abstraction has 137881 states and 179955 transitions. [2022-12-13 12:12:17,701 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.5) internal successors, (51), 4 states have internal predecessors, (51), 2 states have call successors, (31), 4 states have call predecessors, (31), 1 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) [2022-12-13 12:12:17,702 INFO L276 IsEmpty]: Start isEmpty. Operand 137881 states and 179955 transitions. [2022-12-13 12:12:17,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 277 [2022-12-13 12:12:17,704 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 12:12:17,705 INFO L195 NwaCegarLoop]: trace histogram [15, 15, 8, 8, 8, 7, 7, 7, 7, 7, 7, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 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] [2022-12-13 12:12:17,705 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2022-12-13 12:12:17,705 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 12:12:17,705 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 12:12:17,705 INFO L85 PathProgramCache]: Analyzing trace with hash 2100819718, now seen corresponding path program 1 times [2022-12-13 12:12:17,705 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 12:12:17,706 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [383824337] [2022-12-13 12:12:17,706 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 12:12:17,706 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 12:12:17,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:12:17,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-12-13 12:12:17,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:12:17,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:12:17,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:12:17,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-12-13 12:12:17,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:12:17,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:12:17,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:12:17,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-12-13 12:12:17,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:12:17,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:12:17,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:12:17,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-12-13 12:12:17,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:12:17,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:12:17,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:12:17,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-12-13 12:12:17,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:12:17,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:12:17,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:12:17,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-12-13 12:12:17,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:12:17,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:12:17,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:12:17,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-12-13 12:12:17,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:12:17,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:12:17,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:12:17,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-12-13 12:12:17,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:12:17,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2022-12-13 12:12:17,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:12:17,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2022-12-13 12:12:17,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:12:17,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2022-12-13 12:12:17,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:12:17,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2022-12-13 12:12:17,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:12:17,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2022-12-13 12:12:17,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:12:17,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:12:17,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:12:17,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-12-13 12:12:17,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:12:17,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2022-12-13 12:12:17,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:12:17,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2022-12-13 12:12:17,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:12:17,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:12:17,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:12:17,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 12:12:17,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:12:17,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-12-13 12:12:17,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:12:17,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2022-12-13 12:12:17,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:12:17,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:12:17,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:12:17,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 12:12:17,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:12:17,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-12-13 12:12:17,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:12:17,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2022-12-13 12:12:17,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:12:17,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2022-12-13 12:12:17,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:12:17,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2022-12-13 12:12:17,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:12:17,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:12:17,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:12:17,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2022-12-13 12:12:17,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:12:17,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2022-12-13 12:12:17,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:12:17,995 INFO L134 CoverageAnalysis]: Checked inductivity of 605 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 567 trivial. 0 not checked. [2022-12-13 12:12:17,995 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 12:12:17,995 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [383824337] [2022-12-13 12:12:17,995 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [383824337] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 12:12:17,995 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 12:12:17,995 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-13 12:12:17,995 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [104185846] [2022-12-13 12:12:17,996 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 12:12:17,996 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-13 12:12:17,996 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 12:12:17,997 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-13 12:12:17,997 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-13 12:12:17,997 INFO L87 Difference]: Start difference. First operand 137881 states and 179955 transitions. Second operand has 4 states, 4 states have (on average 29.5) internal successors, (118), 3 states have internal predecessors, (118), 3 states have call successors, (31), 3 states have call predecessors, (31), 1 states have return successors, (27), 3 states have call predecessors, (27), 3 states have call successors, (27) [2022-12-13 12:12:35,036 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 12:12:35,036 INFO L93 Difference]: Finished difference Result 312894 states and 410640 transitions. [2022-12-13 12:12:35,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-13 12:12:35,037 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 29.5) internal successors, (118), 3 states have internal predecessors, (118), 3 states have call successors, (31), 3 states have call predecessors, (31), 1 states have return successors, (27), 3 states have call predecessors, (27), 3 states have call successors, (27) Word has length 276 [2022-12-13 12:12:35,038 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 12:12:35,623 INFO L225 Difference]: With dead ends: 312894 [2022-12-13 12:12:35,623 INFO L226 Difference]: Without dead ends: 174933 [2022-12-13 12:12:35,896 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 76 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 12:12:35,897 INFO L413 NwaCegarLoop]: 2476 mSDtfsCounter, 2050 mSDsluCounter, 2477 mSDsCounter, 0 mSdLazyCounter, 3446 mSolverCounterSat, 844 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2441 SdHoareTripleChecker+Valid, 4953 SdHoareTripleChecker+Invalid, 4290 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 844 IncrementalHoareTripleChecker+Valid, 3446 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.1s IncrementalHoareTripleChecker+Time [2022-12-13 12:12:35,897 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2441 Valid, 4953 Invalid, 4290 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [844 Valid, 3446 Invalid, 0 Unknown, 0 Unchecked, 3.1s Time] [2022-12-13 12:12:36,035 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 174933 states. [2022-12-13 12:12:48,491 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 174933 to 166433. [2022-12-13 12:12:48,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 166433 states, 109478 states have (on average 1.1990262883867078) internal successors, (131267), 112707 states have internal predecessors, (131267), 42185 states have call successors, (42185), 15038 states have call predecessors, (42185), 14767 states have return successors, (43425), 40936 states have call predecessors, (43425), 42173 states have call successors, (43425) [2022-12-13 12:12:49,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166433 states to 166433 states and 216877 transitions. [2022-12-13 12:12:49,198 INFO L78 Accepts]: Start accepts. Automaton has 166433 states and 216877 transitions. Word has length 276 [2022-12-13 12:12:49,198 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 12:12:49,198 INFO L495 AbstractCegarLoop]: Abstraction has 166433 states and 216877 transitions. [2022-12-13 12:12:49,198 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 29.5) internal successors, (118), 3 states have internal predecessors, (118), 3 states have call successors, (31), 3 states have call predecessors, (31), 1 states have return successors, (27), 3 states have call predecessors, (27), 3 states have call successors, (27) [2022-12-13 12:12:49,199 INFO L276 IsEmpty]: Start isEmpty. Operand 166433 states and 216877 transitions. [2022-12-13 12:12:49,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 277 [2022-12-13 12:12:49,202 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 12:12:49,202 INFO L195 NwaCegarLoop]: trace histogram [15, 15, 8, 8, 8, 7, 7, 7, 7, 7, 7, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 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] [2022-12-13 12:12:49,202 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2022-12-13 12:12:49,202 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 12:12:49,202 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 12:12:49,202 INFO L85 PathProgramCache]: Analyzing trace with hash -1514875324, now seen corresponding path program 1 times [2022-12-13 12:12:49,202 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 12:12:49,203 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1269035342] [2022-12-13 12:12:49,203 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 12:12:49,203 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 12:12:49,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:12:49,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-12-13 12:12:49,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:12:49,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:12:49,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:12:49,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-12-13 12:12:49,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:12:49,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:12:49,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:12:49,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-12-13 12:12:49,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:12:49,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:12:49,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:12:49,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-12-13 12:12:49,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:12:49,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:12:49,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:12:49,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-12-13 12:12:49,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:12:49,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:12:49,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:12:49,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-12-13 12:12:49,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:12:49,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:12:49,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:12:49,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-12-13 12:12:49,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:12:49,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:12:49,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:12:49,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-12-13 12:12:49,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:12:49,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2022-12-13 12:12:49,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:12:49,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2022-12-13 12:12:49,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:12:49,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2022-12-13 12:12:49,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:12:49,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2022-12-13 12:12:49,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:12:49,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2022-12-13 12:12:49,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:12:49,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:12:49,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:12:49,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-12-13 12:12:49,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:12:49,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2022-12-13 12:12:49,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:12:49,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2022-12-13 12:12:49,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:12:49,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:12:49,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:12:49,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 12:12:49,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:12:49,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-12-13 12:12:49,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:12:49,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2022-12-13 12:12:49,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:12:49,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:12:49,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:12:49,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 12:12:49,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:12:49,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-12-13 12:12:49,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:12:49,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2022-12-13 12:12:49,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:12:49,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2022-12-13 12:12:49,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:12:49,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2022-12-13 12:12:49,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:12:49,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:12:49,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:12:49,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2022-12-13 12:12:49,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:12:49,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2022-12-13 12:12:49,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:12:49,411 INFO L134 CoverageAnalysis]: Checked inductivity of 605 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 567 trivial. 0 not checked. [2022-12-13 12:12:49,411 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 12:12:49,411 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1269035342] [2022-12-13 12:12:49,411 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1269035342] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 12:12:49,411 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 12:12:49,411 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-13 12:12:49,411 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1812987952] [2022-12-13 12:12:49,411 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 12:12:49,412 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-13 12:12:49,412 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 12:12:49,412 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-13 12:12:49,412 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-13 12:12:49,412 INFO L87 Difference]: Start difference. First operand 166433 states and 216877 transitions. Second operand has 4 states, 4 states have (on average 29.5) internal successors, (118), 3 states have internal predecessors, (118), 3 states have call successors, (31), 3 states have call predecessors, (31), 1 states have return successors, (27), 3 states have call predecessors, (27), 3 states have call successors, (27) [2022-12-13 12:13:09,996 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 12:13:09,996 INFO L93 Difference]: Finished difference Result 372426 states and 487993 transitions. [2022-12-13 12:13:09,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-13 12:13:09,996 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 29.5) internal successors, (118), 3 states have internal predecessors, (118), 3 states have call successors, (31), 3 states have call predecessors, (31), 1 states have return successors, (27), 3 states have call predecessors, (27), 3 states have call successors, (27) Word has length 276 [2022-12-13 12:13:09,997 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 12:13:10,673 INFO L225 Difference]: With dead ends: 372426 [2022-12-13 12:13:10,674 INFO L226 Difference]: Without dead ends: 206058 [2022-12-13 12:13:11,013 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 76 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 12:13:11,014 INFO L413 NwaCegarLoop]: 2490 mSDtfsCounter, 2403 mSDsluCounter, 2255 mSDsCounter, 0 mSdLazyCounter, 3330 mSolverCounterSat, 889 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2863 SdHoareTripleChecker+Valid, 4745 SdHoareTripleChecker+Invalid, 4219 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 889 IncrementalHoareTripleChecker+Valid, 3330 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.3s IncrementalHoareTripleChecker+Time [2022-12-13 12:13:11,014 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2863 Valid, 4745 Invalid, 4219 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [889 Valid, 3330 Invalid, 0 Unknown, 0 Unchecked, 3.3s Time] [2022-12-13 12:13:11,178 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 206058 states. [2022-12-13 12:13:25,506 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 206058 to 196103. [2022-12-13 12:13:25,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 196103 states, 129044 states have (on average 1.1981882148724465) internal successors, (154619), 132829 states have internal predecessors, (154619), 49541 states have call successors, (49541), 17842 states have call predecessors, (49541), 17515 states have return successors, (50913), 48092 states have call predecessors, (50913), 49529 states have call successors, (50913) [2022-12-13 12:13:26,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196103 states to 196103 states and 255073 transitions. [2022-12-13 12:13:26,219 INFO L78 Accepts]: Start accepts. Automaton has 196103 states and 255073 transitions. Word has length 276 [2022-12-13 12:13:26,219 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 12:13:26,219 INFO L495 AbstractCegarLoop]: Abstraction has 196103 states and 255073 transitions. [2022-12-13 12:13:26,220 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 29.5) internal successors, (118), 3 states have internal predecessors, (118), 3 states have call successors, (31), 3 states have call predecessors, (31), 1 states have return successors, (27), 3 states have call predecessors, (27), 3 states have call successors, (27) [2022-12-13 12:13:26,220 INFO L276 IsEmpty]: Start isEmpty. Operand 196103 states and 255073 transitions. [2022-12-13 12:13:26,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 343 [2022-12-13 12:13:26,223 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 12:13:26,224 INFO L195 NwaCegarLoop]: trace histogram [17, 17, 10, 10, 10, 7, 7, 7, 7, 7, 7, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:13:26,224 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2022-12-13 12:13:26,224 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 12:13:26,224 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 12:13:26,224 INFO L85 PathProgramCache]: Analyzing trace with hash -916373816, now seen corresponding path program 1 times [2022-12-13 12:13:26,224 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 12:13:26,224 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [304293672] [2022-12-13 12:13:26,225 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 12:13:26,225 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 12:13:26,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:13:26,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-12-13 12:13:26,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:13:26,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:13:26,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:13:26,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-12-13 12:13:26,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:13:26,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:13:26,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:13:26,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-12-13 12:13:26,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:13:26,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:13:26,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:13:26,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-12-13 12:13:26,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:13:26,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:13:26,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:13:26,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-12-13 12:13:26,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:13:26,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:13:26,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:13:26,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-12-13 12:13:26,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:13:26,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:13:26,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:13:26,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-12-13 12:13:26,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:13:26,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:13:26,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:13:26,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-12-13 12:13:26,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:13:26,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2022-12-13 12:13:26,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:13:26,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2022-12-13 12:13:26,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:13:26,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2022-12-13 12:13:26,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:13:26,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2022-12-13 12:13:26,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:13:26,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2022-12-13 12:13:26,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:13:26,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:13:26,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:13:26,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-12-13 12:13:26,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:13:26,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2022-12-13 12:13:26,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:13:26,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2022-12-13 12:13:26,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:13:26,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:13:26,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:13:26,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 12:13:26,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:13:26,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-12-13 12:13:26,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:13:26,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2022-12-13 12:13:26,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:13:26,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:13:26,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:13:26,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 12:13:26,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:13:26,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-12-13 12:13:26,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:13:26,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2022-12-13 12:13:26,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:13:26,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2022-12-13 12:13:26,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:13:26,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2022-12-13 12:13:26,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:13:26,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 247 [2022-12-13 12:13:26,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:13:26,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2022-12-13 12:13:26,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:13:26,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2022-12-13 12:13:26,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:13:26,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:13:26,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:13:26,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 275 [2022-12-13 12:13:26,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:13:26,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2022-12-13 12:13:26,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:13:26,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 296 [2022-12-13 12:13:26,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:13:26,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:13:26,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:13:26,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 309 [2022-12-13 12:13:26,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:13:26,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 331 [2022-12-13 12:13:26,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:13:26,556 INFO L134 CoverageAnalysis]: Checked inductivity of 822 backedges. 61 proven. 0 refuted. 0 times theorem prover too weak. 761 trivial. 0 not checked. [2022-12-13 12:13:26,556 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 12:13:26,556 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [304293672] [2022-12-13 12:13:26,557 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [304293672] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 12:13:26,557 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 12:13:26,557 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-13 12:13:26,557 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [650200651] [2022-12-13 12:13:26,557 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 12:13:26,557 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-13 12:13:26,557 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 12:13:26,558 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-13 12:13:26,558 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-13 12:13:26,558 INFO L87 Difference]: Start difference. First operand 196103 states and 255073 transitions. Second operand has 4 states, 4 states have (on average 33.75) internal successors, (135), 3 states have internal predecessors, (135), 3 states have call successors, (36), 3 states have call predecessors, (36), 1 states have return successors, (32), 3 states have call predecessors, (32), 3 states have call successors, (32) [2022-12-13 12:13:48,049 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 12:13:48,049 INFO L93 Difference]: Finished difference Result 432468 states and 565867 transitions. [2022-12-13 12:13:48,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-13 12:13:48,050 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 33.75) internal successors, (135), 3 states have internal predecessors, (135), 3 states have call successors, (36), 3 states have call predecessors, (36), 1 states have return successors, (32), 3 states have call predecessors, (32), 3 states have call successors, (32) Word has length 342 [2022-12-13 12:13:48,050 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 12:13:48,921 INFO L225 Difference]: With dead ends: 432468 [2022-12-13 12:13:48,921 INFO L226 Difference]: Without dead ends: 236430 [2022-12-13 12:13:49,287 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 93 GetRequests, 90 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 12:13:49,288 INFO L413 NwaCegarLoop]: 2177 mSDtfsCounter, 2060 mSDsluCounter, 2256 mSDsCounter, 0 mSdLazyCounter, 3435 mSolverCounterSat, 921 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2453 SdHoareTripleChecker+Valid, 4433 SdHoareTripleChecker+Invalid, 4356 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 921 IncrementalHoareTripleChecker+Valid, 3435 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.9s IncrementalHoareTripleChecker+Time [2022-12-13 12:13:49,288 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2453 Valid, 4433 Invalid, 4356 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [921 Valid, 3435 Invalid, 0 Unknown, 0 Unchecked, 2.9s Time] [2022-12-13 12:13:49,464 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 236430 states. [2022-12-13 12:14:05,688 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 236430 to 224879. [2022-12-13 12:14:05,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 224879 states, 148026 states have (on average 1.1981611338548632) internal successors, (177359), 152363 states have internal predecessors, (177359), 56725 states have call successors, (56725), 20504 states have call predecessors, (56725), 20125 states have return successors, (58229), 55080 states have call predecessors, (58229), 56713 states have call successors, (58229) [2022-12-13 12:14:06,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224879 states to 224879 states and 292313 transitions. [2022-12-13 12:14:06,525 INFO L78 Accepts]: Start accepts. Automaton has 224879 states and 292313 transitions. Word has length 342 [2022-12-13 12:14:06,525 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 12:14:06,525 INFO L495 AbstractCegarLoop]: Abstraction has 224879 states and 292313 transitions. [2022-12-13 12:14:06,525 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 33.75) internal successors, (135), 3 states have internal predecessors, (135), 3 states have call successors, (36), 3 states have call predecessors, (36), 1 states have return successors, (32), 3 states have call predecessors, (32), 3 states have call successors, (32) [2022-12-13 12:14:06,525 INFO L276 IsEmpty]: Start isEmpty. Operand 224879 states and 292313 transitions. [2022-12-13 12:14:06,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 343 [2022-12-13 12:14:06,529 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 12:14:06,529 INFO L195 NwaCegarLoop]: trace histogram [17, 17, 10, 10, 10, 7, 7, 7, 7, 7, 7, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:14:06,530 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2022-12-13 12:14:06,530 INFO L420 AbstractCegarLoop]: === Iteration 25 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-12-13 12:14:06,530 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 12:14:06,530 INFO L85 PathProgramCache]: Analyzing trace with hash -237101562, now seen corresponding path program 1 times [2022-12-13 12:14:06,530 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 12:14:06,530 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [879044101] [2022-12-13 12:14:06,530 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 12:14:06,531 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 12:14:06,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:14:06,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-12-13 12:14:06,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:14:06,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:14:06,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:14:06,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-12-13 12:14:06,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:14:06,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:14:06,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:14:06,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-12-13 12:14:06,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:14:06,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:14:06,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:14:06,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-12-13 12:14:06,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:14:06,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:14:06,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:14:06,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-12-13 12:14:06,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:14:06,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:14:06,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:14:06,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-12-13 12:14:06,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:14:06,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:14:06,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:14:06,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-12-13 12:14:06,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:14:06,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:14:06,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:14:06,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-12-13 12:14:06,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:14:06,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2022-12-13 12:14:06,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:14:06,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2022-12-13 12:14:06,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:14:06,715 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2022-12-13 12:14:06,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:14:06,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2022-12-13 12:14:06,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:14:06,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2022-12-13 12:14:06,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:14:06,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:14:06,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:14:06,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-12-13 12:14:06,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:14:06,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2022-12-13 12:14:06,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:14:06,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2022-12-13 12:14:06,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:14:06,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:14:06,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:14:06,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 12:14:06,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:14:06,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-12-13 12:14:06,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:14:06,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2022-12-13 12:14:06,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:14:06,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:14:06,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:14:06,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 12:14:06,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:14:06,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-12-13 12:14:06,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:14:06,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2022-12-13 12:14:06,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:14:06,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2022-12-13 12:14:06,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:14:06,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2022-12-13 12:14:06,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:14:06,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 247 [2022-12-13 12:14:06,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:14:06,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2022-12-13 12:14:06,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:14:06,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2022-12-13 12:14:06,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:14:06,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:14:06,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:14:06,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 275 [2022-12-13 12:14:06,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:14:06,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2022-12-13 12:14:06,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:14:06,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 296 [2022-12-13 12:14:06,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:14:06,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:14:06,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:14:06,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 309 [2022-12-13 12:14:06,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:14:06,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 331 [2022-12-13 12:14:06,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:14:06,795 INFO L134 CoverageAnalysis]: Checked inductivity of 822 backedges. 61 proven. 0 refuted. 0 times theorem prover too weak. 761 trivial. 0 not checked. [2022-12-13 12:14:06,796 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 12:14:06,796 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [879044101] [2022-12-13 12:14:06,796 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [879044101] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 12:14:06,796 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 12:14:06,796 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-13 12:14:06,796 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1627537484] [2022-12-13 12:14:06,796 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 12:14:06,797 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-13 12:14:06,797 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 12:14:06,797 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-13 12:14:06,798 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-13 12:14:06,798 INFO L87 Difference]: Start difference. First operand 224879 states and 292313 transitions. Second operand has 4 states, 4 states have (on average 33.75) internal successors, (135), 3 states have internal predecessors, (135), 3 states have call successors, (36), 3 states have call predecessors, (36), 1 states have return successors, (32), 3 states have call predecessors, (32), 3 states have call successors, (32) [2022-12-13 12:14:30,985 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 12:14:30,985 INFO L93 Difference]: Finished difference Result 492000 states and 643329 transitions. [2022-12-13 12:14:30,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-13 12:14:30,986 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 33.75) internal successors, (135), 3 states have internal predecessors, (135), 3 states have call successors, (36), 3 states have call predecessors, (36), 1 states have return successors, (32), 3 states have call predecessors, (32), 3 states have call successors, (32) Word has length 342 [2022-12-13 12:14:30,986 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 12:14:31,847 INFO L225 Difference]: With dead ends: 492000 [2022-12-13 12:14:31,848 INFO L226 Difference]: Without dead ends: 267186 [2022-12-13 12:14:32,540 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 93 GetRequests, 90 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 12:14:32,541 INFO L413 NwaCegarLoop]: 2476 mSDtfsCounter, 2070 mSDsluCounter, 2479 mSDsCounter, 0 mSdLazyCounter, 3451 mSolverCounterSat, 848 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2463 SdHoareTripleChecker+Valid, 4955 SdHoareTripleChecker+Invalid, 4299 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 848 IncrementalHoareTripleChecker+Valid, 3451 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.1s IncrementalHoareTripleChecker+Time [2022-12-13 12:14:32,541 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2463 Valid, 4955 Invalid, 4299 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [848 Valid, 3451 Invalid, 0 Unknown, 0 Unchecked, 3.1s Time] [2022-12-13 12:14:32,725 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 267186 states. [2022-12-13 12:14:51,701 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 267186 to 254039. [2022-12-13 12:14:51,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 254039 states, 167328 states have (on average 1.1981437655383438) internal successors, (200483), 172217 states have internal predecessors, (200483), 63941 states have call successors, (63941), 23198 states have call predecessors, (63941), 22767 states have return successors, (65577), 62100 states have call predecessors, (65577), 63929 states have call successors, (65577) [2022-12-13 12:14:52,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254039 states to 254039 states and 330001 transitions. [2022-12-13 12:14:52,669 INFO L78 Accepts]: Start accepts. Automaton has 254039 states and 330001 transitions. Word has length 342 [2022-12-13 12:14:52,669 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 12:14:52,669 INFO L495 AbstractCegarLoop]: Abstraction has 254039 states and 330001 transitions. [2022-12-13 12:14:52,669 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 33.75) internal successors, (135), 3 states have internal predecessors, (135), 3 states have call successors, (36), 3 states have call predecessors, (36), 1 states have return successors, (32), 3 states have call predecessors, (32), 3 states have call successors, (32) [2022-12-13 12:14:52,670 INFO L276 IsEmpty]: Start isEmpty. Operand 254039 states and 330001 transitions. [2022-12-13 12:14:52,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 357 [2022-12-13 12:14:52,673 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 12:14:52,674 INFO L195 NwaCegarLoop]: trace histogram [17, 17, 11, 11, 11, 7, 7, 7, 7, 7, 7, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 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, 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] [2022-12-13 12:14:52,674 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2022-12-13 12:14:52,674 INFO L420 AbstractCegarLoop]: === Iteration 26 === 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 12:14:52,674 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 12:14:52,674 INFO L85 PathProgramCache]: Analyzing trace with hash -195868468, now seen corresponding path program 1 times [2022-12-13 12:14:52,674 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 12:14:52,674 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1729211058] [2022-12-13 12:14:52,675 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 12:14:52,675 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 12:14:52,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:14:53,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-12-13 12:14:53,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:14:53,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:14:53,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:14:53,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-12-13 12:14:53,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:14:53,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:14:53,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:14:53,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-12-13 12:14:53,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:14:53,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:14:53,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:14:53,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-12-13 12:14:53,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:14:53,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:14:53,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:14:53,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-12-13 12:14:53,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:14:53,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:14:53,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:14:53,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-12-13 12:14:53,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:14:53,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:14:53,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:14:53,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-12-13 12:14:53,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:14:53,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:14:53,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:14:53,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-12-13 12:14:53,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:14:53,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2022-12-13 12:14:53,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:14:53,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2022-12-13 12:14:53,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:14:53,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2022-12-13 12:14:53,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:14:53,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2022-12-13 12:14:53,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:14:53,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2022-12-13 12:14:53,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:14:53,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:14:53,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:14:53,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-12-13 12:14:53,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:14:53,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2022-12-13 12:14:53,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:14:53,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2022-12-13 12:14:53,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:14:53,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:14:53,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:14:53,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 12:14:53,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:14:53,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-12-13 12:14:53,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:14:53,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2022-12-13 12:14:53,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:14:53,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:14:53,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:14:53,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 12:14:53,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:14:53,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-12-13 12:14:53,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:14:53,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2022-12-13 12:14:53,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:14:53,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2022-12-13 12:14:53,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:14:53,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2022-12-13 12:14:53,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:14:53,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 247 [2022-12-13 12:14:53,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:14:53,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2022-12-13 12:14:53,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:14:53,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2022-12-13 12:14:53,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:14:53,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:14:53,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:14:53,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 275 [2022-12-13 12:14:53,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:14:53,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2022-12-13 12:14:53,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:14:53,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 305 [2022-12-13 12:14:53,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:14:53,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 310 [2022-12-13 12:14:53,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:14:53,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:14:53,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:14:53,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 323 [2022-12-13 12:14:53,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:14:53,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 345 [2022-12-13 12:14:53,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:14:53,640 INFO L134 CoverageAnalysis]: Checked inductivity of 880 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 880 trivial. 0 not checked. [2022-12-13 12:14:53,640 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 12:14:53,641 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1729211058] [2022-12-13 12:14:53,641 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1729211058] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 12:14:53,641 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 12:14:53,641 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-12-13 12:14:53,641 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1737739930] [2022-12-13 12:14:53,641 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 12:14:53,641 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-13 12:14:53,641 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 12:14:53,642 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 12:14:53,642 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-12-13 12:14:53,642 INFO L87 Difference]: Start difference. First operand 254039 states and 330001 transitions. Second operand has 6 states, 6 states have (on average 19.333333333333332) internal successors, (116), 4 states have internal predecessors, (116), 2 states have call successors, (35), 4 states have call predecessors, (35), 1 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2022-12-13 12:15:15,753 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 12:15:15,753 INFO L93 Difference]: Finished difference Result 268045 states and 351570 transitions. [2022-12-13 12:15:15,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-12-13 12:15:15,754 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 19.333333333333332) internal successors, (116), 4 states have internal predecessors, (116), 2 states have call successors, (35), 4 states have call predecessors, (35), 1 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) Word has length 356 [2022-12-13 12:15:15,755 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 12:15:16,539 INFO L225 Difference]: With dead ends: 268045 [2022-12-13 12:15:16,539 INFO L226 Difference]: Without dead ends: 268043 [2022-12-13 12:15:16,620 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 102 GetRequests, 94 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 12:15:16,620 INFO L413 NwaCegarLoop]: 1515 mSDtfsCounter, 2341 mSDsluCounter, 3332 mSDsCounter, 0 mSdLazyCounter, 4189 mSolverCounterSat, 1024 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2637 SdHoareTripleChecker+Valid, 4847 SdHoareTripleChecker+Invalid, 5213 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1024 IncrementalHoareTripleChecker+Valid, 4189 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2022-12-13 12:15:16,621 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2637 Valid, 4847 Invalid, 5213 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1024 Valid, 4189 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2022-12-13 12:15:16,829 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 268043 states. [2022-12-13 12:15:35,824 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 268043 to 254951. [2022-12-13 12:15:35,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 254951 states, 168012 states have (on average 1.196575244625384) internal successors, (201039), 172901 states have internal predecessors, (201039), 63941 states have call successors, (63941), 23426 states have call predecessors, (63941), 22995 states have return successors, (65577), 62100 states have call predecessors, (65577), 63929 states have call successors, (65577) [2022-12-13 12:15:37,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254951 states to 254951 states and 330557 transitions. [2022-12-13 12:15:37,080 INFO L78 Accepts]: Start accepts. Automaton has 254951 states and 330557 transitions. Word has length 356 [2022-12-13 12:15:37,081 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 12:15:37,081 INFO L495 AbstractCegarLoop]: Abstraction has 254951 states and 330557 transitions. [2022-12-13 12:15:37,081 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 19.333333333333332) internal successors, (116), 4 states have internal predecessors, (116), 2 states have call successors, (35), 4 states have call predecessors, (35), 1 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2022-12-13 12:15:37,081 INFO L276 IsEmpty]: Start isEmpty. Operand 254951 states and 330557 transitions. [2022-12-13 12:15:37,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 363 [2022-12-13 12:15:37,085 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 12:15:37,085 INFO L195 NwaCegarLoop]: trace histogram [17, 17, 11, 11, 11, 7, 7, 7, 7, 7, 7, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 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, 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] [2022-12-13 12:15:37,086 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2022-12-13 12:15:37,086 INFO L420 AbstractCegarLoop]: === Iteration 27 === 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 12:15:37,086 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 12:15:37,086 INFO L85 PathProgramCache]: Analyzing trace with hash -935899078, now seen corresponding path program 1 times [2022-12-13 12:15:37,086 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 12:15:37,086 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [195617900] [2022-12-13 12:15:37,086 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 12:15:37,087 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 12:15:37,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:15:37,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-12-13 12:15:37,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:15:37,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:15:37,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:15:37,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-12-13 12:15:37,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:15:37,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:15:37,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:15:37,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-12-13 12:15:37,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:15:37,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:15:37,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:15:37,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-12-13 12:15:37,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:15:37,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:15:37,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:15:37,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-12-13 12:15:37,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:15:37,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:15:37,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:15:37,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-12-13 12:15:37,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:15:37,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:15:37,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:15:37,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-12-13 12:15:37,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:15:37,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:15:37,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:15:37,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-12-13 12:15:37,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:15:37,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2022-12-13 12:15:37,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:15:37,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2022-12-13 12:15:37,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:15:37,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2022-12-13 12:15:37,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:15:37,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2022-12-13 12:15:37,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:15:37,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2022-12-13 12:15:37,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:15:37,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:15:37,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:15:37,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-12-13 12:15:37,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:15:37,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2022-12-13 12:15:37,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:15:37,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2022-12-13 12:15:37,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:15:37,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:15:37,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:15:37,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 12:15:37,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:15:37,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-12-13 12:15:37,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:15:37,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2022-12-13 12:15:37,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:15:37,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:15:37,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:15:37,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 12:15:37,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:15:37,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-12-13 12:15:37,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:15:37,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2022-12-13 12:15:37,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:15:37,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2022-12-13 12:15:37,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:15:37,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2022-12-13 12:15:37,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:15:37,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 247 [2022-12-13 12:15:37,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:15:37,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2022-12-13 12:15:37,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:15:37,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2022-12-13 12:15:37,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:15:37,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:15:37,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:15:37,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 275 [2022-12-13 12:15:37,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:15:37,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2022-12-13 12:15:37,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:15:37,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 305 [2022-12-13 12:15:37,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:15:37,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 310 [2022-12-13 12:15:37,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:15:37,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:15:37,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:15:37,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 323 [2022-12-13 12:15:37,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:15:37,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2022-12-13 12:15:37,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:15:37,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 350 [2022-12-13 12:15:37,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:15:37,668 INFO L134 CoverageAnalysis]: Checked inductivity of 880 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 880 trivial. 0 not checked. [2022-12-13 12:15:37,669 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 12:15:37,669 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [195617900] [2022-12-13 12:15:37,669 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [195617900] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 12:15:37,669 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 12:15:37,669 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-12-13 12:15:37,669 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1439582015] [2022-12-13 12:15:37,669 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 12:15:37,669 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-13 12:15:37,670 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 12:15:37,670 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 12:15:37,670 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-12-13 12:15:37,670 INFO L87 Difference]: Start difference. First operand 254951 states and 330557 transitions. Second operand has 6 states, 6 states have (on average 20.0) internal successors, (120), 4 states have internal predecessors, (120), 2 states have call successors, (36), 4 states have call predecessors, (36), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2022-12-13 12:16:02,018 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 12:16:02,019 INFO L93 Difference]: Finished difference Result 268743 states and 351911 transitions. [2022-12-13 12:16:02,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-12-13 12:16:02,020 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 20.0) internal successors, (120), 4 states have internal predecessors, (120), 2 states have call successors, (36), 4 states have call predecessors, (36), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) Word has length 362 [2022-12-13 12:16:02,020 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 12:16:02,820 INFO L225 Difference]: With dead ends: 268743 [2022-12-13 12:16:02,821 INFO L226 Difference]: Without dead ends: 268741 [2022-12-13 12:16:02,905 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 105 GetRequests, 96 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2022-12-13 12:16:02,905 INFO L413 NwaCegarLoop]: 1923 mSDtfsCounter, 2916 mSDsluCounter, 4838 mSDsCounter, 0 mSdLazyCounter, 6393 mSolverCounterSat, 1285 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3352 SdHoareTripleChecker+Valid, 6761 SdHoareTripleChecker+Invalid, 7678 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1285 IncrementalHoareTripleChecker+Valid, 6393 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.1s IncrementalHoareTripleChecker+Time [2022-12-13 12:16:02,906 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3352 Valid, 6761 Invalid, 7678 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1285 Valid, 6393 Invalid, 0 Unknown, 0 Unchecked, 4.1s Time] [2022-12-13 12:16:03,122 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 268741 states. [2022-12-13 12:16:22,408 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 268741 to 255415. [2022-12-13 12:16:22,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 255415 states, 168360 states have (on average 1.1961689237348538) internal successors, (201387), 173249 states have internal predecessors, (201387), 63941 states have call successors, (63941), 23542 states have call predecessors, (63941), 23111 states have return successors, (65577), 62100 states have call predecessors, (65577), 63929 states have call successors, (65577) [2022-12-13 12:16:23,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 255415 states to 255415 states and 330905 transitions. [2022-12-13 12:16:23,482 INFO L78 Accepts]: Start accepts. Automaton has 255415 states and 330905 transitions. Word has length 362 [2022-12-13 12:16:23,482 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 12:16:23,483 INFO L495 AbstractCegarLoop]: Abstraction has 255415 states and 330905 transitions. [2022-12-13 12:16:23,483 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 20.0) internal successors, (120), 4 states have internal predecessors, (120), 2 states have call successors, (36), 4 states have call predecessors, (36), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2022-12-13 12:16:23,483 INFO L276 IsEmpty]: Start isEmpty. Operand 255415 states and 330905 transitions. [2022-12-13 12:16:23,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 363 [2022-12-13 12:16:23,487 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 12:16:23,487 INFO L195 NwaCegarLoop]: trace histogram [17, 17, 11, 11, 11, 7, 7, 7, 7, 7, 7, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 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, 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] [2022-12-13 12:16:23,487 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2022-12-13 12:16:23,488 INFO L420 AbstractCegarLoop]: === Iteration 28 === 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 12:16:23,488 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 12:16:23,488 INFO L85 PathProgramCache]: Analyzing trace with hash 1774046518, now seen corresponding path program 1 times [2022-12-13 12:16:23,488 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 12:16:23,488 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [619536920] [2022-12-13 12:16:23,489 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 12:16:23,489 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 12:16:23,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:16:23,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-12-13 12:16:23,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:16:23,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:16:23,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:16:23,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-12-13 12:16:23,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:16:23,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:16:23,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:16:23,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-12-13 12:16:23,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:16:23,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:16:23,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:16:23,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-12-13 12:16:23,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:16:23,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:16:23,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:16:23,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-12-13 12:16:23,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:16:23,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:16:23,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:16:23,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-12-13 12:16:23,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:16:23,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:16:23,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:16:23,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-12-13 12:16:23,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:16:23,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:16:23,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:16:23,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-12-13 12:16:23,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:16:23,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2022-12-13 12:16:23,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:16:23,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2022-12-13 12:16:23,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:16:23,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2022-12-13 12:16:23,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:16:23,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2022-12-13 12:16:23,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:16:23,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2022-12-13 12:16:23,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:16:23,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:16:23,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:16:23,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-12-13 12:16:23,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:16:23,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2022-12-13 12:16:23,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:16:23,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2022-12-13 12:16:23,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:16:23,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:16:23,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:16:23,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 12:16:23,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:16:23,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-12-13 12:16:23,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:16:23,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2022-12-13 12:16:23,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:16:23,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:16:23,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:16:23,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 12:16:23,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:16:23,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-12-13 12:16:23,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:16:23,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2022-12-13 12:16:23,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:16:23,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2022-12-13 12:16:23,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:16:23,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2022-12-13 12:16:23,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:16:23,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 247 [2022-12-13 12:16:23,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:16:23,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2022-12-13 12:16:23,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:16:23,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2022-12-13 12:16:23,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:16:23,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:16:23,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:16:23,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 275 [2022-12-13 12:16:23,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:16:23,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2022-12-13 12:16:23,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:16:23,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 305 [2022-12-13 12:16:23,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:16:23,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 310 [2022-12-13 12:16:23,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:16:23,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:16:23,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:16:23,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 323 [2022-12-13 12:16:23,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:16:23,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 345 [2022-12-13 12:16:23,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:16:23,721 INFO L134 CoverageAnalysis]: Checked inductivity of 880 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 880 trivial. 0 not checked. [2022-12-13 12:16:23,721 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 12:16:23,721 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [619536920] [2022-12-13 12:16:23,721 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [619536920] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 12:16:23,722 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 12:16:23,722 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-13 12:16:23,722 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [268579402] [2022-12-13 12:16:23,722 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 12:16:23,722 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-13 12:16:23,722 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 12:16:23,722 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-13 12:16:23,723 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-13 12:16:23,723 INFO L87 Difference]: Start difference. First operand 255415 states and 330905 transitions. Second operand has 4 states, 4 states have (on average 30.25) internal successors, (121), 3 states have internal predecessors, (121), 2 states have call successors, (36), 3 states have call predecessors, (36), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2022-12-13 12:16:50,675 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 12:16:50,675 INFO L93 Difference]: Finished difference Result 523999 states and 682868 transitions. [2022-12-13 12:16:50,675 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-13 12:16:50,676 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 30.25) internal successors, (121), 3 states have internal predecessors, (121), 2 states have call successors, (36), 3 states have call predecessors, (36), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) Word has length 362 [2022-12-13 12:16:50,676 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 12:16:51,568 INFO L225 Difference]: With dead ends: 523999 [2022-12-13 12:16:51,568 INFO L226 Difference]: Without dead ends: 268649 [2022-12-13 12:16:52,075 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 94 GetRequests, 91 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 12:16:52,076 INFO L413 NwaCegarLoop]: 1489 mSDtfsCounter, 789 mSDsluCounter, 1998 mSDsCounter, 0 mSdLazyCounter, 2437 mSolverCounterSat, 360 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 972 SdHoareTripleChecker+Valid, 3487 SdHoareTripleChecker+Invalid, 2797 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 360 IncrementalHoareTripleChecker+Valid, 2437 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2022-12-13 12:16:52,076 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [972 Valid, 3487 Invalid, 2797 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [360 Valid, 2437 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2022-12-13 12:16:52,302 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 268649 states. [2022-12-13 12:17:12,153 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 268649 to 255559. [2022-12-13 12:17:12,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 255559 states, 168504 states have (on average 1.1960012818686796) internal successors, (201531), 173393 states have internal predecessors, (201531), 63941 states have call successors, (63941), 23542 states have call predecessors, (63941), 23111 states have return successors, (65577), 62100 states have call predecessors, (65577), 63929 states have call successors, (65577) [2022-12-13 12:17:13,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 255559 states to 255559 states and 331049 transitions. [2022-12-13 12:17:13,274 INFO L78 Accepts]: Start accepts. Automaton has 255559 states and 331049 transitions. Word has length 362 [2022-12-13 12:17:13,275 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 12:17:13,275 INFO L495 AbstractCegarLoop]: Abstraction has 255559 states and 331049 transitions. [2022-12-13 12:17:13,275 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 30.25) internal successors, (121), 3 states have internal predecessors, (121), 2 states have call successors, (36), 3 states have call predecessors, (36), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2022-12-13 12:17:13,275 INFO L276 IsEmpty]: Start isEmpty. Operand 255559 states and 331049 transitions. [2022-12-13 12:17:13,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 363 [2022-12-13 12:17:13,279 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 12:17:13,279 INFO L195 NwaCegarLoop]: trace histogram [17, 17, 11, 11, 11, 7, 7, 7, 7, 7, 7, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 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, 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] [2022-12-13 12:17:13,280 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2022-12-13 12:17:13,280 INFO L420 AbstractCegarLoop]: === Iteration 29 === 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 12:17:13,280 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 12:17:13,280 INFO L85 PathProgramCache]: Analyzing trace with hash -1711574152, now seen corresponding path program 1 times [2022-12-13 12:17:13,280 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 12:17:13,280 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2018687011] [2022-12-13 12:17:13,281 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 12:17:13,281 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 12:17:13,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:17:13,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-12-13 12:17:13,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:17:13,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:17:13,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:17:13,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-12-13 12:17:13,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:17:13,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:17:13,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:17:13,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-12-13 12:17:13,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:17:13,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:17:13,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:17:13,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-12-13 12:17:13,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:17:13,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:17:13,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:17:13,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-12-13 12:17:13,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:17:13,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:17:13,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:17:13,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-12-13 12:17:13,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:17:13,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:17:13,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:17:13,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-12-13 12:17:13,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:17:13,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:17:13,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:17:13,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-12-13 12:17:13,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:17:13,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2022-12-13 12:17:13,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:17:13,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2022-12-13 12:17:13,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:17:13,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2022-12-13 12:17:13,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:17:13,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2022-12-13 12:17:13,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:17:13,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2022-12-13 12:17:13,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:17:13,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:17:13,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:17:13,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-12-13 12:17:13,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:17:13,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2022-12-13 12:17:13,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:17:13,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2022-12-13 12:17:13,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:17:13,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:17:13,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:17:13,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 12:17:13,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:17:13,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-12-13 12:17:13,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:17:13,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2022-12-13 12:17:13,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:17:13,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:17:13,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:17:13,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 12:17:13,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:17:13,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-12-13 12:17:13,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:17:13,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2022-12-13 12:17:13,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:17:13,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2022-12-13 12:17:13,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:17:13,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2022-12-13 12:17:13,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:17:13,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 247 [2022-12-13 12:17:13,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:17:13,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2022-12-13 12:17:13,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:17:13,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2022-12-13 12:17:13,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:17:13,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:17:13,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:17:13,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 275 [2022-12-13 12:17:13,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:17:13,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2022-12-13 12:17:13,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:17:13,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 305 [2022-12-13 12:17:13,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:17:13,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 310 [2022-12-13 12:17:13,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:17:13,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:17:13,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:17:13,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 323 [2022-12-13 12:17:13,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:17:13,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 345 [2022-12-13 12:17:13,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:17:13,964 INFO L134 CoverageAnalysis]: Checked inductivity of 880 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 880 trivial. 0 not checked. [2022-12-13 12:17:13,964 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 12:17:13,964 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2018687011] [2022-12-13 12:17:13,964 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2018687011] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 12:17:13,964 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 12:17:13,964 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-12-13 12:17:13,964 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1956958288] [2022-12-13 12:17:13,965 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 12:17:13,965 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-13 12:17:13,965 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 12:17:13,965 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 12:17:13,966 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-12-13 12:17:13,966 INFO L87 Difference]: Start difference. First operand 255559 states and 331049 transitions. Second operand has 6 states, 6 states have (on average 20.166666666666668) internal successors, (121), 4 states have internal predecessors, (121), 2 states have call successors, (36), 4 states have call predecessors, (36), 1 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2022-12-13 12:17:38,785 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 12:17:38,785 INFO L93 Difference]: Finished difference Result 269069 states and 352122 transitions. [2022-12-13 12:17:38,786 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-12-13 12:17:38,787 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 20.166666666666668) internal successors, (121), 4 states have internal predecessors, (121), 2 states have call successors, (36), 4 states have call predecessors, (36), 1 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) Word has length 362 [2022-12-13 12:17:38,787 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 12:17:39,676 INFO L225 Difference]: With dead ends: 269069 [2022-12-13 12:17:39,676 INFO L226 Difference]: Without dead ends: 269067 [2022-12-13 12:17:39,767 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 104 GetRequests, 95 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2022-12-13 12:17:39,767 INFO L413 NwaCegarLoop]: 1516 mSDtfsCounter, 2357 mSDsluCounter, 3363 mSDsCounter, 0 mSdLazyCounter, 3999 mSolverCounterSat, 1018 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2631 SdHoareTripleChecker+Valid, 4879 SdHoareTripleChecker+Invalid, 5017 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1018 IncrementalHoareTripleChecker+Valid, 3999 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2022-12-13 12:17:39,767 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2631 Valid, 4879 Invalid, 5017 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1018 Valid, 3999 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2022-12-13 12:17:39,964 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 269067 states. [2022-12-13 12:18:01,210 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 269067 to 255975. [2022-12-13 12:18:01,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 255975 states, 168816 states have (on average 1.194951900293811) internal successors, (201727), 173705 states have internal predecessors, (201727), 63941 states have call successors, (63941), 23646 states have call predecessors, (63941), 23215 states have return successors, (65577), 62100 states have call predecessors, (65577), 63929 states have call successors, (65577) [2022-12-13 12:18:02,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 255975 states to 255975 states and 331245 transitions. [2022-12-13 12:18:02,149 INFO L78 Accepts]: Start accepts. Automaton has 255975 states and 331245 transitions. Word has length 362 [2022-12-13 12:18:02,150 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 12:18:02,150 INFO L495 AbstractCegarLoop]: Abstraction has 255975 states and 331245 transitions. [2022-12-13 12:18:02,150 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 20.166666666666668) internal successors, (121), 4 states have internal predecessors, (121), 2 states have call successors, (36), 4 states have call predecessors, (36), 1 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2022-12-13 12:18:02,150 INFO L276 IsEmpty]: Start isEmpty. Operand 255975 states and 331245 transitions. [2022-12-13 12:18:02,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 368 [2022-12-13 12:18:02,155 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 12:18:02,155 INFO L195 NwaCegarLoop]: trace histogram [17, 17, 11, 11, 11, 7, 7, 7, 7, 7, 7, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 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, 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] [2022-12-13 12:18:02,155 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2022-12-13 12:18:02,155 INFO L420 AbstractCegarLoop]: === Iteration 30 === 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 12:18:02,155 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 12:18:02,156 INFO L85 PathProgramCache]: Analyzing trace with hash 1627871915, now seen corresponding path program 1 times [2022-12-13 12:18:02,156 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 12:18:02,156 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1427926922] [2022-12-13 12:18:02,156 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 12:18:02,156 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 12:18:02,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:18:02,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-12-13 12:18:02,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:18:02,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:18:02,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:18:02,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-12-13 12:18:02,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:18:02,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:18:02,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:18:02,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-12-13 12:18:02,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:18:02,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:18:02,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:18:02,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-12-13 12:18:02,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:18:02,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:18:02,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:18:02,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-12-13 12:18:02,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:18:02,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:18:02,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:18:02,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-12-13 12:18:02,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:18:02,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:18:02,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:18:02,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-12-13 12:18:02,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:18:02,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:18:02,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:18:02,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-12-13 12:18:02,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:18:02,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2022-12-13 12:18:02,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:18:02,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2022-12-13 12:18:02,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:18:02,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2022-12-13 12:18:02,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:18:02,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2022-12-13 12:18:02,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:18:02,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2022-12-13 12:18:02,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:18:02,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:18:02,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:18:02,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-12-13 12:18:02,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:18:02,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2022-12-13 12:18:02,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:18:02,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2022-12-13 12:18:02,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:18:02,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:18:02,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:18:02,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 12:18:02,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:18:02,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-12-13 12:18:02,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:18:02,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2022-12-13 12:18:02,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:18:02,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:18:02,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:18:02,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 12:18:02,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:18:02,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-12-13 12:18:02,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:18:02,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2022-12-13 12:18:02,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:18:02,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2022-12-13 12:18:02,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:18:02,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2022-12-13 12:18:02,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:18:02,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 247 [2022-12-13 12:18:02,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:18:02,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2022-12-13 12:18:02,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:18:02,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2022-12-13 12:18:02,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:18:02,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:18:02,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:18:02,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 275 [2022-12-13 12:18:02,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:18:02,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2022-12-13 12:18:02,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:18:02,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 305 [2022-12-13 12:18:02,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:18:02,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 310 [2022-12-13 12:18:02,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:18:02,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:18:02,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:18:02,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 323 [2022-12-13 12:18:02,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:18:02,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2022-12-13 12:18:02,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:18:02,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 350 [2022-12-13 12:18:02,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:18:02,381 INFO L134 CoverageAnalysis]: Checked inductivity of 880 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 880 trivial. 0 not checked. [2022-12-13 12:18:02,381 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 12:18:02,381 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1427926922] [2022-12-13 12:18:02,381 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1427926922] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 12:18:02,381 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 12:18:02,381 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-13 12:18:02,382 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [692480833] [2022-12-13 12:18:02,382 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 12:18:02,382 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-13 12:18:02,382 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 12:18:02,382 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-13 12:18:02,382 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-13 12:18:02,383 INFO L87 Difference]: Start difference. First operand 255975 states and 331245 transitions. Second operand has 4 states, 4 states have (on average 31.0) internal successors, (124), 3 states have internal predecessors, (124), 2 states have call successors, (37), 3 states have call predecessors, (37), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) [2022-12-13 12:18:27,614 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 12:18:27,615 INFO L93 Difference]: Finished difference Result 524977 states and 686730 transitions. [2022-12-13 12:18:27,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-13 12:18:27,615 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 31.0) internal successors, (124), 3 states have internal predecessors, (124), 2 states have call successors, (37), 3 states have call predecessors, (37), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) Word has length 367 [2022-12-13 12:18:27,616 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 12:18:28,479 INFO L225 Difference]: With dead ends: 524977 [2022-12-13 12:18:28,479 INFO L226 Difference]: Without dead ends: 269063 [2022-12-13 12:18:29,271 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 96 GetRequests, 93 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 12:18:29,271 INFO L413 NwaCegarLoop]: 1533 mSDtfsCounter, 859 mSDsluCounter, 2025 mSDsCounter, 0 mSdLazyCounter, 2469 mSolverCounterSat, 398 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1053 SdHoareTripleChecker+Valid, 3558 SdHoareTripleChecker+Invalid, 2867 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 398 IncrementalHoareTripleChecker+Valid, 2469 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2022-12-13 12:18:29,271 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1053 Valid, 3558 Invalid, 2867 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [398 Valid, 2469 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2022-12-13 12:18:29,474 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 269063 states.