./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-challenges/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-sun-cassini.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_70dd6305-2b27-484b-83df-4391d8925d15/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70dd6305-2b27-484b-83df-4391d8925d15/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_70dd6305-2b27-484b-83df-4391d8925d15/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70dd6305-2b27-484b-83df-4391d8925d15/bin/uautomizer-uyxdKDjOR8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-challenges/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-sun-cassini.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70dd6305-2b27-484b-83df-4391d8925d15/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_70dd6305-2b27-484b-83df-4391d8925d15/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 463dbca1530ea0e57c159e9405d50f794488f63283b3e27908f44b92b1921358 --- 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 13:19:02,742 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 13:19:02,744 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 13:19:02,764 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 13:19:02,764 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 13:19:02,764 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 13:19:02,765 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 13:19:02,766 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 13:19:02,767 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 13:19:02,768 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 13:19:02,768 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 13:19:02,769 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 13:19:02,769 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 13:19:02,770 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 13:19:02,771 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 13:19:02,771 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 13:19:02,772 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 13:19:02,772 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 13:19:02,773 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 13:19:02,775 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 13:19:02,775 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 13:19:02,776 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 13:19:02,777 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 13:19:02,778 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 13:19:02,780 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 13:19:02,780 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 13:19:02,780 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 13:19:02,781 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 13:19:02,781 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 13:19:02,782 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 13:19:02,782 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 13:19:02,782 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 13:19:02,783 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 13:19:02,783 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 13:19:02,784 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 13:19:02,784 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 13:19:02,784 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 13:19:02,785 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 13:19:02,785 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 13:19:02,785 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 13:19:02,786 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 13:19:02,786 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70dd6305-2b27-484b-83df-4391d8925d15/bin/uautomizer-uyxdKDjOR8/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-12-13 13:19:02,800 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 13:19:02,800 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 13:19:02,801 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 13:19:02,801 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 13:19:02,801 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-13 13:19:02,801 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-13 13:19:02,802 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 13:19:02,802 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 13:19:02,802 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 13:19:02,802 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 13:19:02,802 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-13 13:19:02,802 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 13:19:02,803 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-13 13:19:02,803 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-13 13:19:02,803 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-13 13:19:02,803 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 13:19:02,803 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 13:19:02,803 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-13 13:19:02,803 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 13:19:02,803 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 13:19:02,804 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-13 13:19:02,804 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 13:19:02,804 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 13:19:02,804 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-13 13:19:02,804 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-13 13:19:02,804 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-13 13:19:02,804 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-13 13:19:02,804 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-12-13 13:19:02,804 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-13 13:19:02,805 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-12-13 13:19:02,805 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-13 13:19:02,805 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2022-12-13 13:19:02,805 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_70dd6305-2b27-484b-83df-4391d8925d15/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70dd6305-2b27-484b-83df-4391d8925d15/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 463dbca1530ea0e57c159e9405d50f794488f63283b3e27908f44b92b1921358 [2022-12-13 13:19:02,994 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 13:19:03,009 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 13:19:03,011 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 13:19:03,012 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 13:19:03,012 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 13:19:03,013 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70dd6305-2b27-484b-83df-4391d8925d15/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/ldv-challenges/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-sun-cassini.cil.i [2022-12-13 13:19:05,562 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 13:19:06,068 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 13:19:06,068 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70dd6305-2b27-484b-83df-4391d8925d15/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-sun-cassini.cil.i [2022-12-13 13:19:06,104 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70dd6305-2b27-484b-83df-4391d8925d15/bin/uautomizer-uyxdKDjOR8/data/2cdb315f5/1fb651df6a6b4170bf6a0272879cf89d/FLAG4c93af68d [2022-12-13 13:19:06,116 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70dd6305-2b27-484b-83df-4391d8925d15/bin/uautomizer-uyxdKDjOR8/data/2cdb315f5/1fb651df6a6b4170bf6a0272879cf89d [2022-12-13 13:19:06,119 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 13:19:06,120 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 13:19:06,121 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 13:19:06,121 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 13:19:06,123 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 13:19:06,124 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 01:19:06" (1/1) ... [2022-12-13 13:19:06,125 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@32f08edf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:19:06, skipping insertion in model container [2022-12-13 13:19:06,125 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 01:19:06" (1/1) ... [2022-12-13 13:19:06,130 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 13:19:06,282 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 13:19:06,654 WARN L623 FunctionHandler]: Unknown extern function __list_add [2022-12-13 13:19:06,799 WARN L623 FunctionHandler]: Unknown extern function __bitmap_weight [2022-12-13 13:19:07,056 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-12-13 13:19:07,062 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-12-13 13:19:07,090 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock [2022-12-13 13:19:07,120 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock [2022-12-13 13:19:07,148 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock_irqrestore [2022-12-13 13:19:07,215 WARN L623 FunctionHandler]: Unknown extern function queue_work_on [2022-12-13 13:19:07,264 WARN L623 FunctionHandler]: Unknown extern function alloc_pages_current [2022-12-13 13:19:07,319 WARN L623 FunctionHandler]: Unknown extern function __get_page_tail [2022-12-13 13:19:07,320 WARN L623 FunctionHandler]: Unknown extern function dump_page [2022-12-13 13:19:07,354 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 13:19:07,426 WARN L623 FunctionHandler]: Unknown extern function debug_dma_map_page [2022-12-13 13:19:07,433 WARN L623 FunctionHandler]: Unknown extern function debug_dma_unmap_page [2022-12-13 13:19:07,440 WARN L623 FunctionHandler]: Unknown extern function debug_dma_sync_single_for_cpu [2022-12-13 13:19:07,448 WARN L623 FunctionHandler]: Unknown extern function debug_dma_sync_single_for_device [2022-12-13 13:19:07,477 WARN L623 FunctionHandler]: Unknown extern function debug_dma_alloc_coherent [2022-12-13 13:19:07,484 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-12-13 13:19:07,486 WARN L623 FunctionHandler]: Unknown extern function debug_dma_free_coherent [2022-12-13 13:19:07,492 WARN L623 FunctionHandler]: Unknown extern function dma_supported [2022-12-13 13:19:07,528 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-12-13 13:19:07,591 WARN L623 FunctionHandler]: Unknown extern function __netdev_alloc_skb [2022-12-13 13:19:07,617 WARN L623 FunctionHandler]: Unknown extern function skb_pad [2022-12-13 13:19:07,684 WARN L623 FunctionHandler]: Unknown extern function netpoll_trap [2022-12-13 13:19:07,685 WARN L623 FunctionHandler]: Unknown extern function __netif_schedule [2022-12-13 13:19:07,696 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-12-13 13:19:07,696 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 13:19:07,731 WARN L623 FunctionHandler]: Unknown extern function __dev_kfree_skb_irq [2022-12-13 13:19:07,737 WARN L623 FunctionHandler]: Unknown extern function __dev_kfree_skb_any [2022-12-13 13:19:07,833 WARN L623 FunctionHandler]: Unknown extern function pci_bus_read_config_byte [2022-12-13 13:19:07,838 WARN L623 FunctionHandler]: Unknown extern function pci_bus_read_config_word [2022-12-13 13:19:07,844 WARN L623 FunctionHandler]: Unknown extern function pci_bus_read_config_dword [2022-12-13 13:19:07,849 WARN L623 FunctionHandler]: Unknown extern function pci_bus_write_config_byte [2022-12-13 13:19:07,855 WARN L623 FunctionHandler]: Unknown extern function pci_bus_write_config_word [2022-12-13 13:19:07,860 WARN L623 FunctionHandler]: Unknown extern function pci_bus_write_config_dword [2022-12-13 13:19:07,942 WARN L623 FunctionHandler]: Unknown extern function dma_set_mask [2022-12-13 13:19:07,973 WARN L623 FunctionHandler]: Unknown extern function request_threaded_irq [2022-12-13 13:19:08,111 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 13:19:08,118 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 13:19:08,135 WARN L623 FunctionHandler]: Unknown extern function __free_pages [2022-12-13 13:19:08,135 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 13:19:08,142 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 13:19:08,162 WARN L623 FunctionHandler]: Unknown extern function list_del [2022-12-13 13:19:08,171 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-13 13:19:08,171 WARN L623 FunctionHandler]: Unknown extern function list_del [2022-12-13 13:19:08,187 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-12-13 13:19:08,187 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-12-13 13:19:08,188 WARN L623 FunctionHandler]: Unknown extern function netif_carrier_off [2022-12-13 13:19:08,195 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 13:19:08,196 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 13:19:08,204 WARN L623 FunctionHandler]: Unknown extern function request_firmware [2022-12-13 13:19:08,204 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 13:19:08,205 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 13:19:08,206 WARN L623 FunctionHandler]: Unknown extern function vmalloc [2022-12-13 13:19:08,207 WARN L623 FunctionHandler]: Unknown extern function release_firmware [2022-12-13 13:19:08,227 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 13:19:08,229 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 13:19:08,230 WARN L623 FunctionHandler]: Unknown extern function netdev_warn [2022-12-13 13:19:08,239 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-12-13 13:19:08,241 WARN L623 FunctionHandler]: Unknown extern function netif_carrier_on [2022-12-13 13:19:08,242 WARN L623 FunctionHandler]: Unknown extern function netif_carrier_off [2022-12-13 13:19:08,242 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-12-13 13:19:08,255 WARN L623 FunctionHandler]: Unknown extern function netdev_printk [2022-12-13 13:19:08,255 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-13 13:19:08,256 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-13 13:19:08,307 WARN L623 FunctionHandler]: Unknown extern function netif_rx [2022-12-13 13:19:08,321 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-13 13:19:08,327 WARN L623 FunctionHandler]: Unknown extern function netdev_printk [2022-12-13 13:19:08,333 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-12-13 13:19:08,341 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-12-13 13:19:08,342 WARN L623 FunctionHandler]: Unknown extern function netif_carrier_on [2022-12-13 13:19:08,343 WARN L623 FunctionHandler]: Unknown extern function netif_carrier_off [2022-12-13 13:19:08,343 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-12-13 13:19:08,355 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-13 13:19:08,356 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 13:19:08,356 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 13:19:08,356 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 13:19:08,357 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 13:19:08,357 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 13:19:08,357 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 13:19:08,358 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-13 13:19:08,358 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-13 13:19:08,358 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-13 13:19:08,359 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-13 13:19:08,359 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-13 13:19:08,359 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-13 13:19:08,360 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-13 13:19:08,365 WARN L623 FunctionHandler]: Unknown extern function netdev_printk [2022-12-13 13:19:08,366 WARN L623 FunctionHandler]: Unknown extern function netdev_printk [2022-12-13 13:19:08,368 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-13 13:19:08,381 WARN L623 FunctionHandler]: Unknown extern function netdev_printk [2022-12-13 13:19:08,391 WARN L623 FunctionHandler]: Unknown extern function netdev_printk [2022-12-13 13:19:08,424 WARN L623 FunctionHandler]: Unknown extern function __compiletime_assert_1997 [2022-12-13 13:19:08,426 WARN L623 FunctionHandler]: Unknown extern function netdev_printk [2022-12-13 13:19:08,428 WARN L623 FunctionHandler]: Unknown extern function __compiletime_assert_2032 [2022-12-13 13:19:08,428 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-12-13 13:19:08,433 WARN L623 FunctionHandler]: Unknown extern function netdev_printk [2022-12-13 13:19:08,434 WARN L623 FunctionHandler]: Unknown extern function __compiletime_assert_2106 [2022-12-13 13:19:08,436 WARN L623 FunctionHandler]: Unknown extern function __compiletime_assert_2125 [2022-12-13 13:19:08,437 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-12-13 13:19:08,438 WARN L623 FunctionHandler]: Unknown extern function csum_partial [2022-12-13 13:19:08,438 WARN L623 FunctionHandler]: Unknown extern function __compiletime_assert_2142 [2022-12-13 13:19:08,438 WARN L623 FunctionHandler]: Unknown extern function eth_type_trans [2022-12-13 13:19:08,446 WARN L623 FunctionHandler]: Unknown extern function netif_rx [2022-12-13 13:19:08,459 WARN L623 FunctionHandler]: Unknown extern function netdev_printk [2022-12-13 13:19:08,480 WARN L623 FunctionHandler]: Unknown extern function netdev_printk [2022-12-13 13:19:08,485 WARN L623 FunctionHandler]: Unknown extern function netif_rx [2022-12-13 13:19:08,488 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-12-13 13:19:08,497 WARN L623 FunctionHandler]: Unknown extern function netdev_printk [2022-12-13 13:19:08,520 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-13 13:19:08,521 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-13 13:19:08,521 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-13 13:19:08,521 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-13 13:19:08,522 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-13 13:19:08,522 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-13 13:19:08,523 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-13 13:19:08,556 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-13 13:19:08,557 WARN L623 FunctionHandler]: Unknown extern function __phys_addr [2022-12-13 13:19:08,560 WARN L623 FunctionHandler]: Unknown extern function __compiletime_assert_2843 [2022-12-13 13:19:08,561 WARN L623 FunctionHandler]: Unknown extern function netdev_printk [2022-12-13 13:19:08,586 WARN L623 FunctionHandler]: Unknown extern function crc32_le [2022-12-13 13:19:08,605 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 13:19:08,606 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 13:19:08,607 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-13 13:19:08,641 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 13:19:08,641 WARN L623 FunctionHandler]: Unknown extern function get_random_bytes [2022-12-13 13:19:08,654 WARN L623 FunctionHandler]: Unknown extern function __free_pages [2022-12-13 13:19:08,655 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 13:19:08,657 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 13:19:08,664 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 13:19:08,664 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-13 13:19:08,665 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 13:19:08,665 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-13 13:19:08,680 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-12-13 13:19:08,683 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-12-13 13:19:08,683 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-12-13 13:19:08,684 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-12-13 13:19:08,690 WARN L623 FunctionHandler]: Unknown extern function netif_carrier_on [2022-12-13 13:19:08,695 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 13:19:08,695 WARN L623 FunctionHandler]: Unknown extern function pci_restore_state [2022-12-13 13:19:08,701 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 13:19:08,701 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 13:19:08,701 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 13:19:08,702 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-13 13:19:08,713 WARN L623 FunctionHandler]: Unknown extern function schedule [2022-12-13 13:19:08,720 WARN L623 FunctionHandler]: Unknown extern function flush_work [2022-12-13 13:19:08,761 WARN L623 FunctionHandler]: Unknown extern function netif_device_detach [2022-12-13 13:19:08,761 WARN L623 FunctionHandler]: Unknown extern function netif_device_attach [2022-12-13 13:19:08,769 WARN L623 FunctionHandler]: Unknown extern function netdev_printk [2022-12-13 13:19:08,770 WARN L623 FunctionHandler]: Unknown extern function netdev_printk [2022-12-13 13:19:08,788 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-12-13 13:19:08,789 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-13 13:19:08,790 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 13:19:08,790 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 13:19:08,796 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-12-13 13:19:08,797 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 13:19:08,821 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 13:19:08,822 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 13:19:08,828 WARN L623 FunctionHandler]: Unknown extern function strlcpy [2022-12-13 13:19:08,829 WARN L623 FunctionHandler]: Unknown extern function strlcpy [2022-12-13 13:19:08,829 WARN L623 FunctionHandler]: Unknown extern function strlcpy [2022-12-13 13:19:08,897 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-12-13 13:19:08,898 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 13:19:08,910 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 13:19:08,910 WARN L623 FunctionHandler]: Unknown extern function pci_enable_device [2022-12-13 13:19:08,910 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 13:19:08,910 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 13:19:08,911 WARN L623 FunctionHandler]: Unknown extern function pci_request_regions [2022-12-13 13:19:08,911 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 13:19:08,912 WARN L623 FunctionHandler]: Unknown extern function pci_set_master [2022-12-13 13:19:08,912 WARN L623 FunctionHandler]: Unknown extern function pci_try_set_mwi [2022-12-13 13:19:08,912 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 13:19:08,913 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 13:19:08,913 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 13:19:08,913 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 13:19:08,914 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-12-13 13:19:08,915 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-12-13 13:19:08,915 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-12-13 13:19:08,915 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-12-13 13:19:08,916 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-12-13 13:19:08,917 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-12-13 13:19:08,917 WARN L623 FunctionHandler]: Unknown extern function __mutex_init [2022-12-13 13:19:08,917 WARN L623 FunctionHandler]: Unknown extern function init_timer_key [2022-12-13 13:19:08,918 WARN L623 FunctionHandler]: Unknown extern function __init_work [2022-12-13 13:19:08,918 WARN L623 FunctionHandler]: Unknown extern function lockdep_init_map [2022-12-13 13:19:08,919 WARN L623 FunctionHandler]: Unknown extern function netif_carrier_off [2022-12-13 13:19:08,919 WARN L623 FunctionHandler]: Unknown extern function pci_iomap [2022-12-13 13:19:08,919 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 13:19:08,920 WARN L623 FunctionHandler]: Unknown extern function pci_save_state [2022-12-13 13:19:08,921 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 13:19:08,922 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 13:19:08,923 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-12-13 13:19:08,925 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-12-13 13:19:08,925 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 13:19:08,925 WARN L623 FunctionHandler]: Unknown extern function pci_iounmap [2022-12-13 13:19:08,925 WARN L623 FunctionHandler]: Unknown extern function pci_release_regions [2022-12-13 13:19:08,926 WARN L623 FunctionHandler]: Unknown extern function pci_disable_device [2022-12-13 13:19:08,932 WARN L623 FunctionHandler]: Unknown extern function vfree [2022-12-13 13:19:08,932 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-12-13 13:19:08,932 WARN L623 FunctionHandler]: Unknown extern function cancel_work_sync [2022-12-13 13:19:08,933 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 13:19:08,933 WARN L623 FunctionHandler]: Unknown extern function pci_iounmap [2022-12-13 13:19:08,933 WARN L623 FunctionHandler]: Unknown extern function pci_release_regions [2022-12-13 13:19:08,933 WARN L623 FunctionHandler]: Unknown extern function pci_disable_device [2022-12-13 13:19:08,939 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-12-13 13:19:08,939 WARN L623 FunctionHandler]: Unknown extern function netif_device_detach [2022-12-13 13:19:08,939 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 13:19:08,944 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-12-13 13:19:08,945 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-12-13 13:19:08,945 WARN L623 FunctionHandler]: Unknown extern function netif_device_attach [2022-12-13 13:19:08,945 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 13:19:09,209 WARN L623 FunctionHandler]: Unknown extern function eth_mac_addr [2022-12-13 13:19:09,210 WARN L623 FunctionHandler]: Unknown extern function eth_validate_addr [2022-12-13 13:19:09,212 WARN L623 FunctionHandler]: Unknown extern function ldv_initialize [2022-12-13 13:19:09,214 WARN L623 FunctionHandler]: Unknown extern function ldv_switch_to_interrupt_context [2022-12-13 13:19:09,214 WARN L623 FunctionHandler]: Unknown extern function ldv_switch_to_process_context [2022-12-13 13:19:09,223 WARN L623 FunctionHandler]: Unknown extern function ldv_pre_probe [2022-12-13 13:19:09,225 WARN L623 FunctionHandler]: Unknown extern function ldv_pre_register_netdev [2022-12-13 13:19:09,228 WARN L623 FunctionHandler]: Unknown extern function ldv_switch_to_interrupt_context [2022-12-13 13:19:09,229 WARN L623 FunctionHandler]: Unknown extern function ldv_switch_to_process_context [2022-12-13 13:19:09,230 WARN L623 FunctionHandler]: Unknown extern function mod_timer [2022-12-13 13:19:09,230 WARN L623 FunctionHandler]: Unknown extern function mod_timer [2022-12-13 13:19:09,231 WARN L623 FunctionHandler]: Unknown extern function mod_timer [2022-12-13 13:19:09,231 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-12-13 13:19:09,232 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-12-13 13:19:09,232 WARN L623 FunctionHandler]: Unknown extern function del_timer_sync [2022-12-13 13:19:09,232 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-12-13 13:19:09,232 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-12-13 13:19:09,232 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-12-13 13:19:09,233 WARN L623 FunctionHandler]: Unknown extern function mod_timer [2022-12-13 13:19:09,233 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-12-13 13:19:09,234 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-12-13 13:19:09,234 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-12-13 13:19:09,234 WARN L623 FunctionHandler]: Unknown extern function free_irq [2022-12-13 13:19:09,234 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-12-13 13:19:09,234 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-12-13 13:19:09,234 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-12-13 13:19:09,235 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-12-13 13:19:09,235 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-12-13 13:19:09,242 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-12-13 13:19:09,242 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-12-13 13:19:09,243 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-12-13 13:19:09,243 WARN L623 FunctionHandler]: Unknown extern function alloc_etherdev_mqs [2022-12-13 13:19:09,243 WARN L623 FunctionHandler]: Unknown extern function register_netdev [2022-12-13 13:19:09,243 WARN L623 FunctionHandler]: Unknown extern function free_netdev [2022-12-13 13:19:09,244 WARN L623 FunctionHandler]: Unknown extern function unregister_netdev [2022-12-13 13:19:09,244 WARN L623 FunctionHandler]: Unknown extern function free_netdev [2022-12-13 13:19:09,244 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-12-13 13:19:09,244 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-12-13 13:19:09,245 WARN L623 FunctionHandler]: Unknown extern function __pci_register_driver [2022-12-13 13:19:09,245 WARN L623 FunctionHandler]: Unknown extern function pci_unregister_driver [2022-12-13 13:19:09,300 WARN L623 FunctionHandler]: Unknown extern function ldv_check_alloc_flags [2022-12-13 13:19:09,300 WARN L623 FunctionHandler]: Unknown extern function ldv_after_alloc [2022-12-13 13:19:09,309 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-13 13:19:10,073 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_70dd6305-2b27-484b-83df-4391d8925d15/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-sun-cassini.cil.i[487146,487159] [2022-12-13 13:19:10,075 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_70dd6305-2b27-484b-83df-4391d8925d15/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-sun-cassini.cil.i[487315,487328] [2022-12-13 13:19:10,076 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_70dd6305-2b27-484b-83df-4391d8925d15/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-sun-cassini.cil.i[487482,487495] [2022-12-13 13:19:10,076 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_70dd6305-2b27-484b-83df-4391d8925d15/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-sun-cassini.cil.i[487650,487663] [2022-12-13 13:19:10,082 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 13:19:10,083 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 13:19:10,084 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 13:19:10,084 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 13:19:10,100 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 13:19:10,102 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 13:19:10,103 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 13:19:10,136 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 13:19:10,212 WARN L623 FunctionHandler]: Unknown extern function __list_add [2022-12-13 13:19:10,215 WARN L623 FunctionHandler]: Unknown extern function __bitmap_weight [2022-12-13 13:19:10,217 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-12-13 13:19:10,217 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-12-13 13:19:10,218 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock [2022-12-13 13:19:10,218 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock [2022-12-13 13:19:10,219 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock_irqrestore [2022-12-13 13:19:10,219 WARN L623 FunctionHandler]: Unknown extern function queue_work_on [2022-12-13 13:19:10,220 WARN L623 FunctionHandler]: Unknown extern function alloc_pages_current [2022-12-13 13:19:10,222 WARN L623 FunctionHandler]: Unknown extern function __get_page_tail [2022-12-13 13:19:10,222 WARN L623 FunctionHandler]: Unknown extern function dump_page [2022-12-13 13:19:10,223 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 13:19:10,225 WARN L623 FunctionHandler]: Unknown extern function debug_dma_map_page [2022-12-13 13:19:10,226 WARN L623 FunctionHandler]: Unknown extern function debug_dma_unmap_page [2022-12-13 13:19:10,227 WARN L623 FunctionHandler]: Unknown extern function debug_dma_sync_single_for_cpu [2022-12-13 13:19:10,228 WARN L623 FunctionHandler]: Unknown extern function debug_dma_sync_single_for_device [2022-12-13 13:19:10,229 WARN L623 FunctionHandler]: Unknown extern function debug_dma_alloc_coherent [2022-12-13 13:19:10,230 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-12-13 13:19:10,230 WARN L623 FunctionHandler]: Unknown extern function debug_dma_free_coherent [2022-12-13 13:19:10,231 WARN L623 FunctionHandler]: Unknown extern function dma_supported [2022-12-13 13:19:10,232 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-12-13 13:19:10,236 WARN L623 FunctionHandler]: Unknown extern function __netdev_alloc_skb [2022-12-13 13:19:10,237 WARN L623 FunctionHandler]: Unknown extern function skb_pad [2022-12-13 13:19:10,238 WARN L623 FunctionHandler]: Unknown extern function netpoll_trap [2022-12-13 13:19:10,239 WARN L623 FunctionHandler]: Unknown extern function __netif_schedule [2022-12-13 13:19:10,239 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-12-13 13:19:10,239 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 13:19:10,240 WARN L623 FunctionHandler]: Unknown extern function __dev_kfree_skb_irq [2022-12-13 13:19:10,240 WARN L623 FunctionHandler]: Unknown extern function __dev_kfree_skb_any [2022-12-13 13:19:10,241 WARN L623 FunctionHandler]: Unknown extern function pci_bus_read_config_byte [2022-12-13 13:19:10,242 WARN L623 FunctionHandler]: Unknown extern function pci_bus_read_config_word [2022-12-13 13:19:10,243 WARN L623 FunctionHandler]: Unknown extern function pci_bus_read_config_dword [2022-12-13 13:19:10,244 WARN L623 FunctionHandler]: Unknown extern function pci_bus_write_config_byte [2022-12-13 13:19:10,245 WARN L623 FunctionHandler]: Unknown extern function pci_bus_write_config_word [2022-12-13 13:19:10,246 WARN L623 FunctionHandler]: Unknown extern function pci_bus_write_config_dword [2022-12-13 13:19:10,248 WARN L623 FunctionHandler]: Unknown extern function dma_set_mask [2022-12-13 13:19:10,249 WARN L623 FunctionHandler]: Unknown extern function request_threaded_irq [2022-12-13 13:19:10,255 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 13:19:10,255 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 13:19:10,256 WARN L623 FunctionHandler]: Unknown extern function __free_pages [2022-12-13 13:19:10,257 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 13:19:10,257 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 13:19:10,259 WARN L623 FunctionHandler]: Unknown extern function list_del [2022-12-13 13:19:10,261 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-13 13:19:10,261 WARN L623 FunctionHandler]: Unknown extern function list_del [2022-12-13 13:19:10,263 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-12-13 13:19:10,263 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-12-13 13:19:10,263 WARN L623 FunctionHandler]: Unknown extern function netif_carrier_off [2022-12-13 13:19:10,265 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 13:19:10,265 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 13:19:10,266 WARN L623 FunctionHandler]: Unknown extern function request_firmware [2022-12-13 13:19:10,266 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 13:19:10,266 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 13:19:10,267 WARN L623 FunctionHandler]: Unknown extern function vmalloc [2022-12-13 13:19:10,267 WARN L623 FunctionHandler]: Unknown extern function release_firmware [2022-12-13 13:19:10,269 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 13:19:10,270 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 13:19:10,270 WARN L623 FunctionHandler]: Unknown extern function netdev_warn [2022-12-13 13:19:10,271 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-12-13 13:19:10,272 WARN L623 FunctionHandler]: Unknown extern function netif_carrier_on [2022-12-13 13:19:10,272 WARN L623 FunctionHandler]: Unknown extern function netif_carrier_off [2022-12-13 13:19:10,273 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-12-13 13:19:10,274 WARN L623 FunctionHandler]: Unknown extern function netdev_printk [2022-12-13 13:19:10,274 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-13 13:19:10,275 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-13 13:19:10,295 WARN L623 FunctionHandler]: Unknown extern function netif_rx [2022-12-13 13:19:10,297 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-13 13:19:10,299 WARN L623 FunctionHandler]: Unknown extern function netdev_printk [2022-12-13 13:19:10,300 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-12-13 13:19:10,302 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-12-13 13:19:10,303 WARN L623 FunctionHandler]: Unknown extern function netif_carrier_on [2022-12-13 13:19:10,303 WARN L623 FunctionHandler]: Unknown extern function netif_carrier_off [2022-12-13 13:19:10,303 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-12-13 13:19:10,305 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-13 13:19:10,305 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 13:19:10,305 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 13:19:10,306 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 13:19:10,306 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 13:19:10,306 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 13:19:10,306 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 13:19:10,307 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-13 13:19:10,307 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-13 13:19:10,307 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-13 13:19:10,308 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-13 13:19:10,308 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-13 13:19:10,308 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-13 13:19:10,308 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-13 13:19:10,309 WARN L623 FunctionHandler]: Unknown extern function netdev_printk [2022-12-13 13:19:10,310 WARN L623 FunctionHandler]: Unknown extern function netdev_printk [2022-12-13 13:19:10,311 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-13 13:19:10,313 WARN L623 FunctionHandler]: Unknown extern function netdev_printk [2022-12-13 13:19:10,316 WARN L623 FunctionHandler]: Unknown extern function netdev_printk [2022-12-13 13:19:10,319 WARN L623 FunctionHandler]: Unknown extern function __compiletime_assert_1997 [2022-12-13 13:19:10,320 WARN L623 FunctionHandler]: Unknown extern function netdev_printk [2022-12-13 13:19:10,321 WARN L623 FunctionHandler]: Unknown extern function __compiletime_assert_2032 [2022-12-13 13:19:10,321 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-12-13 13:19:10,324 WARN L623 FunctionHandler]: Unknown extern function netdev_printk [2022-12-13 13:19:10,325 WARN L623 FunctionHandler]: Unknown extern function __compiletime_assert_2106 [2022-12-13 13:19:10,326 WARN L623 FunctionHandler]: Unknown extern function __compiletime_assert_2125 [2022-12-13 13:19:10,326 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-12-13 13:19:10,327 WARN L623 FunctionHandler]: Unknown extern function csum_partial [2022-12-13 13:19:10,327 WARN L623 FunctionHandler]: Unknown extern function __compiletime_assert_2142 [2022-12-13 13:19:10,327 WARN L623 FunctionHandler]: Unknown extern function eth_type_trans [2022-12-13 13:19:10,329 WARN L623 FunctionHandler]: Unknown extern function netif_rx [2022-12-13 13:19:10,330 WARN L623 FunctionHandler]: Unknown extern function netdev_printk [2022-12-13 13:19:10,333 WARN L623 FunctionHandler]: Unknown extern function netdev_printk [2022-12-13 13:19:10,336 WARN L623 FunctionHandler]: Unknown extern function netif_rx [2022-12-13 13:19:10,337 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-12-13 13:19:10,339 WARN L623 FunctionHandler]: Unknown extern function netdev_printk [2022-12-13 13:19:10,341 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-13 13:19:10,342 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-13 13:19:10,342 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-13 13:19:10,342 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-13 13:19:10,343 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-13 13:19:10,343 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-13 13:19:10,344 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-13 13:19:10,347 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-13 13:19:10,348 WARN L623 FunctionHandler]: Unknown extern function __phys_addr [2022-12-13 13:19:10,350 WARN L623 FunctionHandler]: Unknown extern function __compiletime_assert_2843 [2022-12-13 13:19:10,351 WARN L623 FunctionHandler]: Unknown extern function netdev_printk [2022-12-13 13:19:10,355 WARN L623 FunctionHandler]: Unknown extern function crc32_le [2022-12-13 13:19:10,359 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 13:19:10,359 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 13:19:10,360 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-13 13:19:10,372 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 13:19:10,373 WARN L623 FunctionHandler]: Unknown extern function get_random_bytes [2022-12-13 13:19:10,375 WARN L623 FunctionHandler]: Unknown extern function __free_pages [2022-12-13 13:19:10,375 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 13:19:10,377 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 13:19:10,379 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 13:19:10,380 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-13 13:19:10,381 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 13:19:10,381 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-13 13:19:10,385 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-12-13 13:19:10,388 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-12-13 13:19:10,389 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-12-13 13:19:10,389 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-12-13 13:19:10,390 WARN L623 FunctionHandler]: Unknown extern function netif_carrier_on [2022-12-13 13:19:10,391 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 13:19:10,391 WARN L623 FunctionHandler]: Unknown extern function pci_restore_state [2022-12-13 13:19:10,392 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 13:19:10,392 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 13:19:10,392 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 13:19:10,393 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-13 13:19:10,395 WARN L623 FunctionHandler]: Unknown extern function schedule [2022-12-13 13:19:10,396 WARN L623 FunctionHandler]: Unknown extern function flush_work [2022-12-13 13:19:10,402 WARN L623 FunctionHandler]: Unknown extern function netif_device_detach [2022-12-13 13:19:10,403 WARN L623 FunctionHandler]: Unknown extern function netif_device_attach [2022-12-13 13:19:10,406 WARN L623 FunctionHandler]: Unknown extern function netdev_printk [2022-12-13 13:19:10,407 WARN L623 FunctionHandler]: Unknown extern function netdev_printk [2022-12-13 13:19:10,409 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-12-13 13:19:10,410 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-13 13:19:10,411 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 13:19:10,411 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 13:19:10,412 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-12-13 13:19:10,412 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 13:19:10,419 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 13:19:10,420 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 13:19:10,421 WARN L623 FunctionHandler]: Unknown extern function strlcpy [2022-12-13 13:19:10,421 WARN L623 FunctionHandler]: Unknown extern function strlcpy [2022-12-13 13:19:10,422 WARN L623 FunctionHandler]: Unknown extern function strlcpy [2022-12-13 13:19:10,430 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-12-13 13:19:10,431 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 13:19:10,436 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 13:19:10,436 WARN L623 FunctionHandler]: Unknown extern function pci_enable_device [2022-12-13 13:19:10,437 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 13:19:10,437 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 13:19:10,438 WARN L623 FunctionHandler]: Unknown extern function pci_request_regions [2022-12-13 13:19:10,439 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 13:19:10,439 WARN L623 FunctionHandler]: Unknown extern function pci_set_master [2022-12-13 13:19:10,439 WARN L623 FunctionHandler]: Unknown extern function pci_try_set_mwi [2022-12-13 13:19:10,440 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 13:19:10,440 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 13:19:10,440 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 13:19:10,441 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 13:19:10,442 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-12-13 13:19:10,442 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-12-13 13:19:10,442 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-12-13 13:19:10,442 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-12-13 13:19:10,443 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-12-13 13:19:10,443 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-12-13 13:19:10,443 WARN L623 FunctionHandler]: Unknown extern function __mutex_init [2022-12-13 13:19:10,444 WARN L623 FunctionHandler]: Unknown extern function init_timer_key [2022-12-13 13:19:10,444 WARN L623 FunctionHandler]: Unknown extern function __init_work [2022-12-13 13:19:10,444 WARN L623 FunctionHandler]: Unknown extern function lockdep_init_map [2022-12-13 13:19:10,445 WARN L623 FunctionHandler]: Unknown extern function netif_carrier_off [2022-12-13 13:19:10,445 WARN L623 FunctionHandler]: Unknown extern function pci_iomap [2022-12-13 13:19:10,445 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 13:19:10,446 WARN L623 FunctionHandler]: Unknown extern function pci_save_state [2022-12-13 13:19:10,446 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 13:19:10,448 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 13:19:10,448 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-12-13 13:19:10,450 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-12-13 13:19:10,450 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 13:19:10,450 WARN L623 FunctionHandler]: Unknown extern function pci_iounmap [2022-12-13 13:19:10,450 WARN L623 FunctionHandler]: Unknown extern function pci_release_regions [2022-12-13 13:19:10,450 WARN L623 FunctionHandler]: Unknown extern function pci_disable_device [2022-12-13 13:19:10,451 WARN L623 FunctionHandler]: Unknown extern function vfree [2022-12-13 13:19:10,451 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-12-13 13:19:10,452 WARN L623 FunctionHandler]: Unknown extern function cancel_work_sync [2022-12-13 13:19:10,452 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 13:19:10,452 WARN L623 FunctionHandler]: Unknown extern function pci_iounmap [2022-12-13 13:19:10,452 WARN L623 FunctionHandler]: Unknown extern function pci_release_regions [2022-12-13 13:19:10,452 WARN L623 FunctionHandler]: Unknown extern function pci_disable_device [2022-12-13 13:19:10,453 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-12-13 13:19:10,453 WARN L623 FunctionHandler]: Unknown extern function netif_device_detach [2022-12-13 13:19:10,454 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 13:19:10,454 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-12-13 13:19:10,454 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-12-13 13:19:10,455 WARN L623 FunctionHandler]: Unknown extern function netif_device_attach [2022-12-13 13:19:10,455 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 13:19:10,460 WARN L623 FunctionHandler]: Unknown extern function eth_mac_addr [2022-12-13 13:19:10,461 WARN L623 FunctionHandler]: Unknown extern function eth_validate_addr [2022-12-13 13:19:10,462 WARN L623 FunctionHandler]: Unknown extern function ldv_initialize [2022-12-13 13:19:10,463 WARN L623 FunctionHandler]: Unknown extern function ldv_switch_to_interrupt_context [2022-12-13 13:19:10,463 WARN L623 FunctionHandler]: Unknown extern function ldv_switch_to_process_context [2022-12-13 13:19:10,469 WARN L623 FunctionHandler]: Unknown extern function ldv_pre_probe [2022-12-13 13:19:10,471 WARN L623 FunctionHandler]: Unknown extern function ldv_pre_register_netdev [2022-12-13 13:19:10,486 WARN L623 FunctionHandler]: Unknown extern function ldv_switch_to_interrupt_context [2022-12-13 13:19:10,487 WARN L623 FunctionHandler]: Unknown extern function ldv_switch_to_process_context [2022-12-13 13:19:10,489 WARN L623 FunctionHandler]: Unknown extern function mod_timer [2022-12-13 13:19:10,490 WARN L623 FunctionHandler]: Unknown extern function mod_timer [2022-12-13 13:19:10,490 WARN L623 FunctionHandler]: Unknown extern function mod_timer [2022-12-13 13:19:10,491 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-12-13 13:19:10,491 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-12-13 13:19:10,491 WARN L623 FunctionHandler]: Unknown extern function del_timer_sync [2022-12-13 13:19:10,492 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-12-13 13:19:10,492 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-12-13 13:19:10,492 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-12-13 13:19:10,492 WARN L623 FunctionHandler]: Unknown extern function mod_timer [2022-12-13 13:19:10,493 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-12-13 13:19:10,493 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-12-13 13:19:10,493 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-12-13 13:19:10,493 WARN L623 FunctionHandler]: Unknown extern function free_irq [2022-12-13 13:19:10,494 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-12-13 13:19:10,494 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-12-13 13:19:10,494 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-12-13 13:19:10,494 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-12-13 13:19:10,494 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-12-13 13:19:10,495 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-12-13 13:19:10,495 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-12-13 13:19:10,495 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-12-13 13:19:10,495 WARN L623 FunctionHandler]: Unknown extern function alloc_etherdev_mqs [2022-12-13 13:19:10,496 WARN L623 FunctionHandler]: Unknown extern function register_netdev [2022-12-13 13:19:10,496 WARN L623 FunctionHandler]: Unknown extern function free_netdev [2022-12-13 13:19:10,496 WARN L623 FunctionHandler]: Unknown extern function unregister_netdev [2022-12-13 13:19:10,496 WARN L623 FunctionHandler]: Unknown extern function free_netdev [2022-12-13 13:19:10,496 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-12-13 13:19:10,497 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-12-13 13:19:10,497 WARN L623 FunctionHandler]: Unknown extern function __pci_register_driver [2022-12-13 13:19:10,497 WARN L623 FunctionHandler]: Unknown extern function pci_unregister_driver [2022-12-13 13:19:10,499 WARN L623 FunctionHandler]: Unknown extern function ldv_check_alloc_flags [2022-12-13 13:19:10,500 WARN L623 FunctionHandler]: Unknown extern function ldv_after_alloc [2022-12-13 13:19:10,500 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-13 13:19:10,523 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_70dd6305-2b27-484b-83df-4391d8925d15/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-sun-cassini.cil.i[487146,487159] [2022-12-13 13:19:10,523 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_70dd6305-2b27-484b-83df-4391d8925d15/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-sun-cassini.cil.i[487315,487328] [2022-12-13 13:19:10,524 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_70dd6305-2b27-484b-83df-4391d8925d15/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-sun-cassini.cil.i[487482,487495] [2022-12-13 13:19:10,524 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_70dd6305-2b27-484b-83df-4391d8925d15/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-sun-cassini.cil.i[487650,487663] [2022-12-13 13:19:10,525 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 13:19:10,529 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 13:19:10,530 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 13:19:10,530 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 13:19:10,533 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 13:19:10,534 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 13:19:10,535 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 13:19:10,802 INFO L208 MainTranslator]: Completed translation [2022-12-13 13:19:10,803 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:19:10 WrapperNode [2022-12-13 13:19:10,803 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 13:19:10,804 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 13:19:10,804 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 13:19:10,804 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 13:19:10,811 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:19:10" (1/1) ... [2022-12-13 13:19:10,883 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:19:10" (1/1) ... [2022-12-13 13:19:11,092 INFO L138 Inliner]: procedures = 676, calls = 4258, calls flagged for inlining = 325, calls inlined = 302, statements flattened = 10246 [2022-12-13 13:19:11,093 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 13:19:11,093 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 13:19:11,093 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 13:19:11,093 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 13:19:11,101 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:19:10" (1/1) ... [2022-12-13 13:19:11,101 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:19:10" (1/1) ... [2022-12-13 13:19:11,133 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:19:10" (1/1) ... [2022-12-13 13:19:11,133 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:19:10" (1/1) ... [2022-12-13 13:19:11,254 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:19:10" (1/1) ... [2022-12-13 13:19:11,271 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:19:10" (1/1) ... [2022-12-13 13:19:11,301 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:19:10" (1/1) ... [2022-12-13 13:19:11,314 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:19:10" (1/1) ... [2022-12-13 13:19:11,381 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 13:19:11,382 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 13:19:11,382 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 13:19:11,382 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 13:19:11,382 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:19:10" (1/1) ... [2022-12-13 13:19:11,387 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 13:19:11,394 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70dd6305-2b27-484b-83df-4391d8925d15/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 13:19:11,406 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70dd6305-2b27-484b-83df-4391d8925d15/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-13 13:19:11,408 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70dd6305-2b27-484b-83df-4391d8925d15/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-13 13:19:11,433 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2022-12-13 13:19:11,433 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2022-12-13 13:19:11,433 INFO L130 BoogieDeclarations]: Found specification of procedure cas_phy_read [2022-12-13 13:19:11,433 INFO L138 BoogieDeclarations]: Found implementation of procedure cas_phy_read [2022-12-13 13:19:11,433 INFO L130 BoogieDeclarations]: Found specification of procedure cas_pcs_link_check [2022-12-13 13:19:11,433 INFO L138 BoogieDeclarations]: Found implementation of procedure cas_pcs_link_check [2022-12-13 13:19:11,433 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer_121 [2022-12-13 13:19:11,433 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer_121 [2022-12-13 13:19:11,434 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2022-12-13 13:19:11,434 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2022-12-13 13:19:11,434 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-12-13 13:19:11,434 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-12-13 13:19:11,434 INFO L130 BoogieDeclarations]: Found specification of procedure lowmem_page_address [2022-12-13 13:19:11,434 INFO L138 BoogieDeclarations]: Found implementation of procedure lowmem_page_address [2022-12-13 13:19:11,434 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_page [2022-12-13 13:19:11,434 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_page [2022-12-13 13:19:11,434 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-12-13 13:19:11,434 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-12-13 13:19:11,434 INFO L130 BoogieDeclarations]: Found specification of procedure cas_mii_link_check [2022-12-13 13:19:11,434 INFO L138 BoogieDeclarations]: Found implementation of procedure cas_mii_link_check [2022-12-13 13:19:11,434 INFO L130 BoogieDeclarations]: Found specification of procedure cas_calc_tabort [2022-12-13 13:19:11,434 INFO L138 BoogieDeclarations]: Found implementation of procedure cas_calc_tabort [2022-12-13 13:19:11,434 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_word [2022-12-13 13:19:11,434 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_word [2022-12-13 13:19:11,434 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_timer_instance_3 [2022-12-13 13:19:11,434 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_timer_instance_3 [2022-12-13 13:19:11,434 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dma_sync_single_for_cpu [2022-12-13 13:19:11,434 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dma_sync_single_for_cpu [2022-12-13 13:19:11,434 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-12-13 13:19:11,434 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-12-13 13:19:11,434 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer_147 [2022-12-13 13:19:11,434 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer_147 [2022-12-13 13:19:11,435 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_page [2022-12-13 13:19:11,435 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_page [2022-12-13 13:19:11,435 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-12-13 13:19:11,435 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-12-13 13:19:11,435 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_on [2022-12-13 13:19:11,435 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_on [2022-12-13 13:19:11,435 INFO L130 BoogieDeclarations]: Found specification of procedure cas_lock_tx [2022-12-13 13:19:11,435 INFO L138 BoogieDeclarations]: Found implementation of procedure cas_lock_tx [2022-12-13 13:19:11,435 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2022-12-13 13:19:11,435 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2022-12-13 13:19:11,435 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-12-13 13:19:11,435 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-12-13 13:19:11,435 INFO L130 BoogieDeclarations]: Found specification of procedure cas_disable_irq [2022-12-13 13:19:11,435 INFO L138 BoogieDeclarations]: Found implementation of procedure cas_disable_irq [2022-12-13 13:19:11,435 INFO L130 BoogieDeclarations]: Found specification of procedure cas_free_rxds [2022-12-13 13:19:11,435 INFO L138 BoogieDeclarations]: Found implementation of procedure cas_free_rxds [2022-12-13 13:19:11,435 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_page [2022-12-13 13:19:11,435 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_page [2022-12-13 13:19:11,435 INFO L130 BoogieDeclarations]: Found specification of procedure cas_open [2022-12-13 13:19:11,435 INFO L138 BoogieDeclarations]: Found implementation of procedure cas_open [2022-12-13 13:19:11,435 INFO L130 BoogieDeclarations]: Found specification of procedure cas_interrupt [2022-12-13 13:19:11,435 INFO L138 BoogieDeclarations]: Found implementation of procedure cas_interrupt [2022-12-13 13:19:11,435 INFO L130 BoogieDeclarations]: Found specification of procedure cas_tx_tiny_free [2022-12-13 13:19:11,436 INFO L138 BoogieDeclarations]: Found implementation of procedure cas_tx_tiny_free [2022-12-13 13:19:11,436 INFO L130 BoogieDeclarations]: Found specification of procedure PageTail [2022-12-13 13:19:11,436 INFO L138 BoogieDeclarations]: Found implementation of procedure PageTail [2022-12-13 13:19:11,436 INFO L130 BoogieDeclarations]: Found specification of procedure tx_tiny_map [2022-12-13 13:19:11,436 INFO L138 BoogieDeclarations]: Found implementation of procedure tx_tiny_map [2022-12-13 13:19:11,436 INFO L130 BoogieDeclarations]: Found specification of procedure cas_phy_init [2022-12-13 13:19:11,436 INFO L138 BoogieDeclarations]: Found implementation of procedure cas_phy_init [2022-12-13 13:19:11,436 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_pages [2022-12-13 13:19:11,436 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_pages [2022-12-13 13:19:11,436 INFO L130 BoogieDeclarations]: Found specification of procedure skb_frag_size_set [2022-12-13 13:19:11,436 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_frag_size_set [2022-12-13 13:19:11,436 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2022-12-13 13:19:11,436 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2022-12-13 13:19:11,436 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-12-13 13:19:11,436 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-12-13 13:19:11,436 INFO L130 BoogieDeclarations]: Found specification of procedure cas_enable_irq [2022-12-13 13:19:11,436 INFO L138 BoogieDeclarations]: Found implementation of procedure cas_enable_irq [2022-12-13 13:19:11,436 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2022-12-13 13:19:11,436 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2022-12-13 13:19:11,436 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2022-12-13 13:19:11,436 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2022-12-13 13:19:11,436 INFO L130 BoogieDeclarations]: Found specification of procedure cas_page_dequeue [2022-12-13 13:19:11,436 INFO L138 BoogieDeclarations]: Found implementation of procedure cas_page_dequeue [2022-12-13 13:19:11,436 INFO L130 BoogieDeclarations]: Found specification of procedure netif_rx [2022-12-13 13:19:11,436 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_rx [2022-12-13 13:19:11,437 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2022-12-13 13:19:11,437 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2022-12-13 13:19:11,437 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-12-13 13:19:11,437 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-12-13 13:19:11,437 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-12-13 13:19:11,437 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-12-13 13:19:11,437 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_attach [2022-12-13 13:19:11,437 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_attach [2022-12-13 13:19:11,437 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-13 13:19:11,437 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_108 [2022-12-13 13:19:11,437 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_108 [2022-12-13 13:19:11,437 INFO L130 BoogieDeclarations]: Found specification of procedure pci_write_config_word [2022-12-13 13:19:11,437 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_write_config_word [2022-12-13 13:19:11,437 INFO L130 BoogieDeclarations]: Found specification of procedure cas_set_multicast [2022-12-13 13:19:11,437 INFO L138 BoogieDeclarations]: Found implementation of procedure cas_set_multicast [2022-12-13 13:19:11,437 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2022-12-13 13:19:11,437 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2022-12-13 13:19:11,437 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_detach [2022-12-13 13:19:11,437 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_detach [2022-12-13 13:19:11,437 INFO L130 BoogieDeclarations]: Found specification of procedure cas_spare_free [2022-12-13 13:19:11,437 INFO L138 BoogieDeclarations]: Found implementation of procedure cas_spare_free [2022-12-13 13:19:11,437 INFO L130 BoogieDeclarations]: Found specification of procedure cas_tx_timeout [2022-12-13 13:19:11,437 INFO L138 BoogieDeclarations]: Found implementation of procedure cas_tx_timeout [2022-12-13 13:19:11,437 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-12-13 13:19:11,438 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-12-13 13:19:11,438 INFO L130 BoogieDeclarations]: Found specification of procedure cas_read_pcs_link_mode [2022-12-13 13:19:11,438 INFO L138 BoogieDeclarations]: Found implementation of procedure cas_read_pcs_link_mode [2022-12-13 13:19:11,438 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-12-13 13:19:11,438 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-12-13 13:19:11,438 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-12-13 13:19:11,438 INFO L130 BoogieDeclarations]: Found specification of procedure cas_close [2022-12-13 13:19:11,438 INFO L138 BoogieDeclarations]: Found implementation of procedure cas_close [2022-12-13 13:19:11,438 INFO L130 BoogieDeclarations]: Found specification of procedure cas_page_swap [2022-12-13 13:19:11,438 INFO L138 BoogieDeclarations]: Found implementation of procedure cas_page_swap [2022-12-13 13:19:11,438 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-12-13 13:19:11,438 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-12-13 13:19:11,438 INFO L130 BoogieDeclarations]: Found specification of procedure cas_netpoll [2022-12-13 13:19:11,438 INFO L138 BoogieDeclarations]: Found implementation of procedure cas_netpoll [2022-12-13 13:19:11,438 INFO L130 BoogieDeclarations]: Found specification of procedure cas_hard_reset [2022-12-13 13:19:11,438 INFO L138 BoogieDeclarations]: Found implementation of procedure cas_hard_reset [2022-12-13 13:19:11,438 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-12-13 13:19:11,438 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-12-13 13:19:11,438 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-12-13 13:19:11,438 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-12-13 13:19:11,438 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-12-13 13:19:11,438 INFO L130 BoogieDeclarations]: Found specification of procedure cas_rxc_init [2022-12-13 13:19:11,438 INFO L138 BoogieDeclarations]: Found implementation of procedure cas_rxc_init [2022-12-13 13:19:11,438 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-13 13:19:11,439 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-12-13 13:19:11,439 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-12-13 13:19:11,439 INFO L130 BoogieDeclarations]: Found specification of procedure cas_clear_mac_err [2022-12-13 13:19:11,439 INFO L138 BoogieDeclarations]: Found implementation of procedure cas_clear_mac_err [2022-12-13 13:19:11,439 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2022-12-13 13:19:11,439 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2022-12-13 13:19:11,439 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2022-12-13 13:19:11,439 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2022-12-13 13:19:11,439 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2022-12-13 13:19:11,439 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2022-12-13 13:19:11,439 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_dma_mask [2022-12-13 13:19:11,439 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_dma_mask [2022-12-13 13:19:11,439 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_instance_callback_3_2 [2022-12-13 13:19:11,439 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_instance_callback_3_2 [2022-12-13 13:19:11,439 INFO L130 BoogieDeclarations]: Found specification of procedure cas_remove_one [2022-12-13 13:19:11,439 INFO L138 BoogieDeclarations]: Found implementation of procedure cas_remove_one [2022-12-13 13:19:11,439 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_NOT_ARG_SIGN [2022-12-13 13:19:11,439 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_NOT_ARG_SIGN [2022-12-13 13:19:11,439 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2022-12-13 13:19:11,439 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2022-12-13 13:19:11,439 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2022-12-13 13:19:11,439 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2022-12-13 13:19:11,439 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2022-12-13 13:19:11,439 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2022-12-13 13:19:11,440 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_dequeue [2022-12-13 13:19:11,440 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_dequeue [2022-12-13 13:19:11,440 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-12-13 13:19:11,440 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer [2022-12-13 13:19:11,440 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer [2022-12-13 13:19:11,440 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-13 13:19:11,440 INFO L130 BoogieDeclarations]: Found specification of procedure list_splice_init [2022-12-13 13:19:11,440 INFO L138 BoogieDeclarations]: Found implementation of procedure list_splice_init [2022-12-13 13:19:11,440 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-12-13 13:19:11,440 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-12-13 13:19:11,440 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-12-13 13:19:11,440 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-12-13 13:19:11,440 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-12-13 13:19:11,440 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-12-13 13:19:11,440 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-12-13 13:19:11,440 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-12-13 13:19:11,440 INFO L130 BoogieDeclarations]: Found specification of procedure cas_set_link_modes [2022-12-13 13:19:11,440 INFO L138 BoogieDeclarations]: Found implementation of procedure cas_set_link_modes [2022-12-13 13:19:11,440 INFO L130 BoogieDeclarations]: Found specification of procedure cas_link_timer [2022-12-13 13:19:11,440 INFO L138 BoogieDeclarations]: Found implementation of procedure cas_link_timer [2022-12-13 13:19:11,440 INFO L130 BoogieDeclarations]: Found specification of procedure cas_read_mii_link_mode [2022-12-13 13:19:11,440 INFO L138 BoogieDeclarations]: Found implementation of procedure cas_read_mii_link_mode [2022-12-13 13:19:11,440 INFO L130 BoogieDeclarations]: Found specification of procedure __list_splice [2022-12-13 13:19:11,440 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_splice [2022-12-13 13:19:11,440 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2022-12-13 13:19:11,441 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2022-12-13 13:19:11,441 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2022-12-13 13:19:11,441 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2022-12-13 13:19:11,441 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2022-12-13 13:19:11,441 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2022-12-13 13:19:11,441 INFO L130 BoogieDeclarations]: Found specification of procedure kmap_atomic [2022-12-13 13:19:11,441 INFO L138 BoogieDeclarations]: Found implementation of procedure kmap_atomic [2022-12-13 13:19:11,441 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2022-12-13 13:19:11,441 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2022-12-13 13:19:11,441 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-12-13 13:19:11,441 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-12-13 13:19:11,441 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2022-12-13 13:19:11,441 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2022-12-13 13:19:11,441 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2022-12-13 13:19:11,441 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2022-12-13 13:19:11,441 INFO L130 BoogieDeclarations]: Found specification of procedure csum_unfold [2022-12-13 13:19:11,441 INFO L138 BoogieDeclarations]: Found implementation of procedure csum_unfold [2022-12-13 13:19:11,441 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~TO~VOID [2022-12-13 13:19:11,441 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~TO~VOID [2022-12-13 13:19:11,441 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2022-12-13 13:19:11,441 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2022-12-13 13:19:11,441 INFO L130 BoogieDeclarations]: Found specification of procedure cas_entropy_gather [2022-12-13 13:19:11,441 INFO L138 BoogieDeclarations]: Found implementation of procedure cas_entropy_gather [2022-12-13 13:19:11,441 INFO L130 BoogieDeclarations]: Found specification of procedure cas_resume [2022-12-13 13:19:11,442 INFO L138 BoogieDeclarations]: Found implementation of procedure cas_resume [2022-12-13 13:19:11,442 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 13:19:11,442 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 13:19:11,442 INFO L130 BoogieDeclarations]: Found specification of procedure cas_page_alloc [2022-12-13 13:19:11,442 INFO L138 BoogieDeclarations]: Found implementation of procedure cas_page_alloc [2022-12-13 13:19:11,442 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-12-13 13:19:11,442 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-12-13 13:19:11,442 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-12-13 13:19:11,442 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-12-13 13:19:11,442 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-12-13 13:19:11,442 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-12-13 13:19:11,442 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2022-12-13 13:19:11,442 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2022-12-13 13:19:11,442 INFO L130 BoogieDeclarations]: Found specification of procedure cas_mif_poll [2022-12-13 13:19:11,442 INFO L138 BoogieDeclarations]: Found implementation of procedure cas_mif_poll [2022-12-13 13:19:11,442 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2022-12-13 13:19:11,442 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2022-12-13 13:19:11,442 INFO L130 BoogieDeclarations]: Found specification of procedure cas_unlock_tx [2022-12-13 13:19:11,442 INFO L138 BoogieDeclarations]: Found implementation of procedure cas_unlock_tx [2022-12-13 13:19:11,442 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-12-13 13:19:11,442 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-12-13 13:19:11,442 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_133 [2022-12-13 13:19:11,442 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_133 [2022-12-13 13:19:11,442 INFO L130 BoogieDeclarations]: Found specification of procedure list_splice [2022-12-13 13:19:11,443 INFO L138 BoogieDeclarations]: Found implementation of procedure list_splice [2022-12-13 13:19:11,443 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_135 [2022-12-13 13:19:11,443 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_135 [2022-12-13 13:19:11,443 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_cmd_speed_set [2022-12-13 13:19:11,443 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_cmd_speed_set [2022-12-13 13:19:11,443 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_sub [2022-12-13 13:19:11,443 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_sub [2022-12-13 13:19:11,443 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2022-12-13 13:19:11,443 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2022-12-13 13:19:11,443 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-12-13 13:19:11,443 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-12-13 13:19:11,443 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2022-12-13 13:19:11,443 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2022-12-13 13:19:11,443 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2022-12-13 13:19:11,443 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2022-12-13 13:19:11,443 INFO L130 BoogieDeclarations]: Found specification of procedure tx_tiny_buf [2022-12-13 13:19:11,443 INFO L138 BoogieDeclarations]: Found implementation of procedure tx_tiny_buf [2022-12-13 13:19:11,443 INFO L130 BoogieDeclarations]: Found specification of procedure cas_mac_reset [2022-12-13 13:19:11,443 INFO L138 BoogieDeclarations]: Found implementation of procedure cas_mac_reset [2022-12-13 13:19:11,443 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_lock_of_cas [2022-12-13 13:19:11,443 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_lock_of_cas [2022-12-13 13:19:11,443 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-13 13:19:11,443 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-12-13 13:19:11,443 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-12-13 13:19:11,444 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_frag_set_page [2022-12-13 13:19:11,444 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_frag_set_page [2022-12-13 13:19:11,444 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-12-13 13:19:11,444 INFO L130 BoogieDeclarations]: Found specification of procedure cas_get_regs_len [2022-12-13 13:19:11,444 INFO L138 BoogieDeclarations]: Found implementation of procedure cas_get_regs_len [2022-12-13 13:19:11,444 INFO L130 BoogieDeclarations]: Found specification of procedure cas_reset [2022-12-13 13:19:11,444 INFO L138 BoogieDeclarations]: Found implementation of procedure cas_reset [2022-12-13 13:19:11,444 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dispatch_instance_register_8_2 [2022-12-13 13:19:11,444 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dispatch_instance_register_8_2 [2022-12-13 13:19:11,444 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_NOT_ARG_SIGN [2022-12-13 13:19:11,444 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_NOT_ARG_SIGN [2022-12-13 13:19:11,444 INFO L130 BoogieDeclarations]: Found specification of procedure __free_pages [2022-12-13 13:19:11,444 INFO L138 BoogieDeclarations]: Found implementation of procedure __free_pages [2022-12-13 13:19:11,444 INFO L130 BoogieDeclarations]: Found specification of procedure cas_post_page [2022-12-13 13:19:11,444 INFO L138 BoogieDeclarations]: Found implementation of procedure cas_post_page [2022-12-13 13:19:11,444 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-12-13 13:19:11,444 INFO L130 BoogieDeclarations]: Found specification of procedure pci_write_config_byte [2022-12-13 13:19:11,444 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_write_config_byte [2022-12-13 13:19:11,444 INFO L130 BoogieDeclarations]: Found specification of procedure cas_nway_reset [2022-12-13 13:19:11,444 INFO L138 BoogieDeclarations]: Found implementation of procedure cas_nway_reset [2022-12-13 13:19:11,444 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2022-12-13 13:19:11,444 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2022-12-13 13:19:11,444 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-12-13 13:19:11,444 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-12-13 13:19:11,444 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-12-13 13:19:11,445 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-12-13 13:19:11,445 INFO L130 BoogieDeclarations]: Found specification of procedure cas_setup_multicast [2022-12-13 13:19:11,445 INFO L138 BoogieDeclarations]: Found implementation of procedure cas_setup_multicast [2022-12-13 13:19:11,445 INFO L130 BoogieDeclarations]: Found specification of procedure cas_phy_powerdown [2022-12-13 13:19:11,445 INFO L138 BoogieDeclarations]: Found implementation of procedure cas_phy_powerdown [2022-12-13 13:19:11,445 INFO L130 BoogieDeclarations]: Found specification of procedure cas_post_rxds_ringN [2022-12-13 13:19:11,445 INFO L138 BoogieDeclarations]: Found implementation of procedure cas_post_rxds_ringN [2022-12-13 13:19:11,445 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_irq [2022-12-13 13:19:11,445 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_irq [2022-12-13 13:19:11,445 INFO L130 BoogieDeclarations]: Found specification of procedure cas_vpd_match [2022-12-13 13:19:11,445 INFO L138 BoogieDeclarations]: Found implementation of procedure cas_vpd_match [2022-12-13 13:19:11,445 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_83 [2022-12-13 13:19:11,445 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_83 [2022-12-13 13:19:11,445 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_81 [2022-12-13 13:19:11,445 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_81 [2022-12-13 13:19:11,445 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2022-12-13 13:19:11,445 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2022-12-13 13:19:11,445 INFO L130 BoogieDeclarations]: Found specification of procedure cpumask_weight [2022-12-13 13:19:11,445 INFO L138 BoogieDeclarations]: Found implementation of procedure cpumask_weight [2022-12-13 13:19:11,445 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2022-12-13 13:19:11,445 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2022-12-13 13:19:11,445 INFO L130 BoogieDeclarations]: Found specification of procedure page_count [2022-12-13 13:19:11,445 INFO L138 BoogieDeclarations]: Found implementation of procedure page_count [2022-12-13 13:19:11,445 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-12-13 13:19:11,445 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-12-13 13:19:11,446 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_77 [2022-12-13 13:19:11,446 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_77 [2022-12-13 13:19:11,446 INFO L130 BoogieDeclarations]: Found specification of procedure cas_shutdown [2022-12-13 13:19:11,446 INFO L138 BoogieDeclarations]: Found implementation of procedure cas_shutdown [2022-12-13 13:19:11,446 INFO L130 BoogieDeclarations]: Found specification of procedure cas_begin_auto_negotiation [2022-12-13 13:19:11,446 INFO L138 BoogieDeclarations]: Found implementation of procedure cas_begin_auto_negotiation [2022-12-13 13:19:11,446 INFO L130 BoogieDeclarations]: Found specification of procedure skb_frag_page [2022-12-13 13:19:11,446 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_frag_page [2022-12-13 13:19:11,446 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-12-13 13:19:11,446 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-12-13 13:19:11,446 INFO L130 BoogieDeclarations]: Found specification of procedure cas_write_txd [2022-12-13 13:19:11,446 INFO L138 BoogieDeclarations]: Found implementation of procedure cas_write_txd [2022-12-13 13:19:11,446 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-12-13 13:19:11,446 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-12-13 13:19:11,446 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_frag_ref [2022-12-13 13:19:11,446 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_frag_ref [2022-12-13 13:19:11,446 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-13 13:19:11,446 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-12-13 13:19:11,446 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-12-13 13:19:11,446 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_82 [2022-12-13 13:19:11,446 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_82 [2022-12-13 13:19:11,446 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_84 [2022-12-13 13:19:11,446 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_84 [2022-12-13 13:19:11,446 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_79 [2022-12-13 13:19:11,447 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_79 [2022-12-13 13:19:11,447 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2022-12-13 13:19:11,447 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2022-12-13 13:19:11,447 INFO L130 BoogieDeclarations]: Found specification of procedure cas_init_hw [2022-12-13 13:19:11,447 INFO L138 BoogieDeclarations]: Found implementation of procedure cas_init_hw [2022-12-13 13:19:11,447 INFO L130 BoogieDeclarations]: Found specification of procedure cas_clean_rings [2022-12-13 13:19:11,447 INFO L138 BoogieDeclarations]: Found implementation of procedure cas_clean_rings [2022-12-13 13:19:11,447 INFO L130 BoogieDeclarations]: Found specification of procedure cas_page_free [2022-12-13 13:19:11,447 INFO L138 BoogieDeclarations]: Found implementation of procedure cas_page_free [2022-12-13 13:19:11,447 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec [2022-12-13 13:19:11,447 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec [2022-12-13 13:19:11,447 INFO L130 BoogieDeclarations]: Found specification of procedure cas_phy_write [2022-12-13 13:19:11,447 INFO L138 BoogieDeclarations]: Found implementation of procedure cas_phy_write [2022-12-13 13:19:11,447 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-12-13 13:19:11,447 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-12-13 13:19:11,447 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2022-12-13 13:19:11,447 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2022-12-13 13:19:11,447 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iounmap [2022-12-13 13:19:11,447 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iounmap [2022-12-13 13:19:11,447 INFO L130 BoogieDeclarations]: Found specification of procedure cas_spare_recover [2022-12-13 13:19:11,447 INFO L138 BoogieDeclarations]: Found implementation of procedure cas_spare_recover [2022-12-13 13:19:11,447 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_cmd_speed [2022-12-13 13:19:11,447 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_cmd_speed [2022-12-13 13:19:11,447 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-12-13 13:19:11,447 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-12-13 13:19:11,448 INFO L130 BoogieDeclarations]: Found specification of procedure cas_get_stats [2022-12-13 13:19:11,448 INFO L138 BoogieDeclarations]: Found implementation of procedure cas_get_stats [2022-12-13 13:19:11,448 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2022-12-13 13:19:11,448 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2022-12-13 13:19:11,448 INFO L130 BoogieDeclarations]: Found specification of procedure __kunmap_atomic [2022-12-13 13:19:11,448 INFO L138 BoogieDeclarations]: Found implementation of procedure __kunmap_atomic [2022-12-13 13:19:11,448 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-13 13:19:11,448 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-12-13 13:19:11,448 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-12-13 13:19:11,448 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dma_sync_single_for_device [2022-12-13 13:19:11,448 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dma_sync_single_for_device [2022-12-13 13:19:11,448 INFO L130 BoogieDeclarations]: Found specification of procedure readb [2022-12-13 13:19:11,448 INFO L138 BoogieDeclarations]: Found implementation of procedure readb [2022-12-13 13:19:11,448 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_107 [2022-12-13 13:19:11,448 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_107 [2022-12-13 13:19:12,264 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 13:19:12,268 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 13:19:12,588 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-12-13 13:23:02,240 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 13:23:02,256 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 13:23:02,256 INFO L300 CfgBuilder]: Removed 4 assume(true) statements. [2022-12-13 13:23:02,260 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 01:23:02 BoogieIcfgContainer [2022-12-13 13:23:02,260 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 13:23:02,262 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-13 13:23:02,262 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-13 13:23:02,264 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-13 13:23:02,264 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.12 01:19:06" (1/3) ... [2022-12-13 13:23:02,265 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6933da6b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 01:23:02, skipping insertion in model container [2022-12-13 13:23:02,265 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:19:10" (2/3) ... [2022-12-13 13:23:02,265 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6933da6b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 01:23:02, skipping insertion in model container [2022-12-13 13:23:02,265 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 01:23:02" (3/3) ... [2022-12-13 13:23:02,266 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-sun-cassini.cil.i [2022-12-13 13:23:02,279 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-13 13:23:02,280 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2022-12-13 13:23:02,356 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-13 13:23:02,361 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;@7df43a78, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-12-13 13:23:02,361 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2022-12-13 13:23:02,371 INFO L276 IsEmpty]: Start isEmpty. Operand has 3615 states, 2374 states have (on average 1.2889637742207245) internal successors, (3060), 2455 states have internal predecessors, (3060), 1066 states have call successors, (1066), 173 states have call predecessors, (1066), 172 states have return successors, (1062), 1048 states have call predecessors, (1062), 1062 states have call successors, (1062) [2022-12-13 13:23:02,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2022-12-13 13:23:02,378 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 13:23:02,379 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 13:23:02,379 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 13:23:02,383 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 13:23:02,383 INFO L85 PathProgramCache]: Analyzing trace with hash -669565885, now seen corresponding path program 1 times [2022-12-13 13:23:02,389 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 13:23:02,390 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1849982589] [2022-12-13 13:23:02,390 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 13:23:02,390 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 13:23:02,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:23:03,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 13:23:03,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:23:03,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-12-13 13:23:03,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:23:03,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-12-13 13:23:03,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:23:03,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 13:23:03,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:23:03,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-12-13 13:23:03,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:23:03,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-12-13 13:23:03,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:23:03,903 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-12-13 13:23:03,903 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 13:23:03,904 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1849982589] [2022-12-13 13:23:03,904 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1849982589] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 13:23:03,904 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 13:23:03,904 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-13 13:23:03,905 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1390268467] [2022-12-13 13:23:03,906 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 13:23:03,909 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-13 13:23:03,909 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 13:23:03,930 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-13 13:23:03,930 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-13 13:23:03,936 INFO L87 Difference]: Start difference. First operand has 3615 states, 2374 states have (on average 1.2889637742207245) internal successors, (3060), 2455 states have internal predecessors, (3060), 1066 states have call successors, (1066), 173 states have call predecessors, (1066), 172 states have return successors, (1062), 1048 states have call predecessors, (1062), 1062 states have call successors, (1062) Second operand has 5 states, 5 states have (on average 5.6) internal successors, (28), 4 states have internal predecessors, (28), 2 states have call successors, (8), 3 states have call predecessors, (8), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-12-13 13:23:04,613 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 13:23:04,613 INFO L93 Difference]: Finished difference Result 10175 states and 15125 transitions. [2022-12-13 13:23:04,614 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-13 13:23:04,615 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.6) internal successors, (28), 4 states have internal predecessors, (28), 2 states have call successors, (8), 3 states have call predecessors, (8), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 50 [2022-12-13 13:23:04,616 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 13:23:04,654 INFO L225 Difference]: With dead ends: 10175 [2022-12-13 13:23:04,654 INFO L226 Difference]: Without dead ends: 6568 [2022-12-13 13:23:04,678 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-12-13 13:23:04,680 INFO L413 NwaCegarLoop]: 6182 mSDtfsCounter, 4890 mSDsluCounter, 16865 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4909 SdHoareTripleChecker+Valid, 23047 SdHoareTripleChecker+Invalid, 31 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-13 13:23:04,680 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4909 Valid, 23047 Invalid, 31 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-13 13:23:04,700 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6568 states. [2022-12-13 13:23:04,940 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6568 to 6560. [2022-12-13 13:23:04,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6560 states, 4294 states have (on average 1.2731718677224033) internal successors, (5467), 4449 states have internal predecessors, (5467), 1936 states have call successors, (1936), 336 states have call predecessors, (1936), 327 states have return successors, (2014), 1881 states have call predecessors, (2014), 1930 states have call successors, (2014) [2022-12-13 13:23:04,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6560 states to 6560 states and 9417 transitions. [2022-12-13 13:23:04,993 INFO L78 Accepts]: Start accepts. Automaton has 6560 states and 9417 transitions. Word has length 50 [2022-12-13 13:23:04,993 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 13:23:04,993 INFO L495 AbstractCegarLoop]: Abstraction has 6560 states and 9417 transitions. [2022-12-13 13:23:04,994 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.6) internal successors, (28), 4 states have internal predecessors, (28), 2 states have call successors, (8), 3 states have call predecessors, (8), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-12-13 13:23:04,994 INFO L276 IsEmpty]: Start isEmpty. Operand 6560 states and 9417 transitions. [2022-12-13 13:23:04,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2022-12-13 13:23:04,995 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 13:23:04,995 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 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] [2022-12-13 13:23:04,996 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-13 13:23:04,996 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-12-13 13:23:04,996 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 13:23:04,996 INFO L85 PathProgramCache]: Analyzing trace with hash 909419922, now seen corresponding path program 1 times [2022-12-13 13:23:04,996 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 13:23:04,997 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1235006517] [2022-12-13 13:23:04,997 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 13:23:04,997 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 13:23:05,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:23:05,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 13:23:05,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:23:05,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-12-13 13:23:05,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:23:06,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-12-13 13:23:06,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:23:06,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 13:23:06,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:23:06,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-12-13 13:23:06,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:23:06,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-12-13 13:23:06,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:23:06,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-12-13 13:23:06,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:23:06,046 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-12-13 13:23:06,047 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 13:23:06,047 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1235006517] [2022-12-13 13:23:06,047 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1235006517] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 13:23:06,047 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 13:23:06,047 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-13 13:23:06,047 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [880966746] [2022-12-13 13:23:06,048 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 13:23:06,049 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-13 13:23:06,049 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 13:23:06,049 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-13 13:23:06,050 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-13 13:23:06,050 INFO L87 Difference]: Start difference. First operand 6560 states and 9417 transitions. Second operand has 5 states, 5 states have (on average 6.2) internal successors, (31), 4 states have internal predecessors, (31), 2 states have call successors, (9), 3 states have call predecessors, (9), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2022-12-13 13:23:06,438 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 13:23:06,438 INFO L93 Difference]: Finished difference Result 6570 states and 9426 transitions. [2022-12-13 13:23:06,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-13 13:23:06,438 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.2) internal successors, (31), 4 states have internal predecessors, (31), 2 states have call successors, (9), 3 states have call predecessors, (9), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 55 [2022-12-13 13:23:06,439 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 13:23:06,465 INFO L225 Difference]: With dead ends: 6570 [2022-12-13 13:23:06,466 INFO L226 Difference]: Without dead ends: 6568 [2022-12-13 13:23:06,471 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-12-13 13:23:06,471 INFO L413 NwaCegarLoop]: 5116 mSDtfsCounter, 5079 mSDsluCounter, 10206 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5096 SdHoareTripleChecker+Valid, 15322 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-13 13:23:06,472 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5096 Valid, 15322 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-13 13:23:06,479 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6568 states. [2022-12-13 13:23:06,703 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6568 to 6568. [2022-12-13 13:23:06,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6568 states, 4300 states have (on average 1.2727906976744185) internal successors, (5473), 4455 states have internal predecessors, (5473), 1936 states have call successors, (1936), 338 states have call predecessors, (1936), 329 states have return successors, (2014), 1881 states have call predecessors, (2014), 1930 states have call successors, (2014) [2022-12-13 13:23:06,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6568 states to 6568 states and 9423 transitions. [2022-12-13 13:23:06,745 INFO L78 Accepts]: Start accepts. Automaton has 6568 states and 9423 transitions. Word has length 55 [2022-12-13 13:23:06,745 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 13:23:06,745 INFO L495 AbstractCegarLoop]: Abstraction has 6568 states and 9423 transitions. [2022-12-13 13:23:06,745 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.2) internal successors, (31), 4 states have internal predecessors, (31), 2 states have call successors, (9), 3 states have call predecessors, (9), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2022-12-13 13:23:06,746 INFO L276 IsEmpty]: Start isEmpty. Operand 6568 states and 9423 transitions. [2022-12-13 13:23:06,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2022-12-13 13:23:06,747 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 13:23:06,747 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 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] [2022-12-13 13:23:06,747 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-13 13:23:06,747 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-12-13 13:23:06,747 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 13:23:06,747 INFO L85 PathProgramCache]: Analyzing trace with hash -704852637, now seen corresponding path program 1 times [2022-12-13 13:23:06,748 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 13:23:06,748 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1272515529] [2022-12-13 13:23:06,748 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 13:23:06,748 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 13:23:07,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:23:07,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 13:23:07,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:23:07,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-12-13 13:23:07,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:23:07,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-12-13 13:23:07,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:23:07,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 13:23:07,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:23:07,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-12-13 13:23:07,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:23:07,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-12-13 13:23:07,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:23:07,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-12-13 13:23:07,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:23:07,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-12-13 13:23:07,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:23:07,789 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2022-12-13 13:23:07,789 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 13:23:07,789 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1272515529] [2022-12-13 13:23:07,789 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1272515529] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 13:23:07,789 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 13:23:07,789 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-13 13:23:07,789 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1696973833] [2022-12-13 13:23:07,790 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 13:23:07,790 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-13 13:23:07,790 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 13:23:07,790 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-13 13:23:07,790 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-13 13:23:07,791 INFO L87 Difference]: Start difference. First operand 6568 states and 9423 transitions. Second operand has 5 states, 5 states have (on average 6.2) internal successors, (31), 4 states have internal predecessors, (31), 2 states have call successors, (10), 3 states have call predecessors, (10), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2022-12-13 13:23:08,215 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 13:23:08,215 INFO L93 Difference]: Finished difference Result 6578 states and 9432 transitions. [2022-12-13 13:23:08,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-13 13:23:08,216 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.2) internal successors, (31), 4 states have internal predecessors, (31), 2 states have call successors, (10), 3 states have call predecessors, (10), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 60 [2022-12-13 13:23:08,216 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 13:23:08,253 INFO L225 Difference]: With dead ends: 6578 [2022-12-13 13:23:08,254 INFO L226 Difference]: Without dead ends: 6576 [2022-12-13 13:23:08,259 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-12-13 13:23:08,260 INFO L413 NwaCegarLoop]: 5116 mSDtfsCounter, 5079 mSDsluCounter, 10206 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5095 SdHoareTripleChecker+Valid, 15322 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-13 13:23:08,260 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5095 Valid, 15322 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-13 13:23:08,269 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6576 states. [2022-12-13 13:23:08,618 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6576 to 6576. [2022-12-13 13:23:08,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6576 states, 4306 states have (on average 1.2724105898745937) internal successors, (5479), 4461 states have internal predecessors, (5479), 1936 states have call successors, (1936), 340 states have call predecessors, (1936), 331 states have return successors, (2014), 1881 states have call predecessors, (2014), 1930 states have call successors, (2014) [2022-12-13 13:23:08,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6576 states to 6576 states and 9429 transitions. [2022-12-13 13:23:08,655 INFO L78 Accepts]: Start accepts. Automaton has 6576 states and 9429 transitions. Word has length 60 [2022-12-13 13:23:08,655 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 13:23:08,655 INFO L495 AbstractCegarLoop]: Abstraction has 6576 states and 9429 transitions. [2022-12-13 13:23:08,655 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.2) internal successors, (31), 4 states have internal predecessors, (31), 2 states have call successors, (10), 3 states have call predecessors, (10), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2022-12-13 13:23:08,655 INFO L276 IsEmpty]: Start isEmpty. Operand 6576 states and 9429 transitions. [2022-12-13 13:23:08,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2022-12-13 13:23:08,656 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 13:23:08,657 INFO L195 NwaCegarLoop]: trace histogram [4, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 13:23:08,657 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-12-13 13:23:08,657 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-12-13 13:23:08,657 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 13:23:08,657 INFO L85 PathProgramCache]: Analyzing trace with hash -1368378674, now seen corresponding path program 1 times [2022-12-13 13:23:08,657 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 13:23:08,657 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1292046166] [2022-12-13 13:23:08,657 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 13:23:08,657 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 13:23:08,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:23:09,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 13:23:09,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:23:09,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-12-13 13:23:09,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:23:09,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-12-13 13:23:09,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:23:09,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 13:23:09,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:23:09,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-12-13 13:23:09,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:23:09,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-12-13 13:23:09,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:23:09,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2022-12-13 13:23:09,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:23:09,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-12-13 13:23:09,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:23:09,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2022-12-13 13:23:09,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:23:09,670 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-12-13 13:23:09,670 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 13:23:09,670 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1292046166] [2022-12-13 13:23:09,671 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1292046166] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 13:23:09,671 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 13:23:09,671 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-13 13:23:09,671 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1045217435] [2022-12-13 13:23:09,671 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 13:23:09,671 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-13 13:23:09,672 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 13:23:09,672 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-13 13:23:09,672 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-13 13:23:09,673 INFO L87 Difference]: Start difference. First operand 6576 states and 9429 transitions. Second operand has 5 states, 5 states have (on average 7.6) internal successors, (38), 4 states have internal predecessors, (38), 2 states have call successors, (11), 3 states have call predecessors, (11), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2022-12-13 13:23:10,035 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 13:23:10,035 INFO L93 Difference]: Finished difference Result 6586 states and 9438 transitions. [2022-12-13 13:23:10,035 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-13 13:23:10,036 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.6) internal successors, (38), 4 states have internal predecessors, (38), 2 states have call successors, (11), 3 states have call predecessors, (11), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 72 [2022-12-13 13:23:10,036 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 13:23:10,064 INFO L225 Difference]: With dead ends: 6586 [2022-12-13 13:23:10,064 INFO L226 Difference]: Without dead ends: 6584 [2022-12-13 13:23:10,069 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-12-13 13:23:10,069 INFO L413 NwaCegarLoop]: 5116 mSDtfsCounter, 5072 mSDsluCounter, 10206 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5087 SdHoareTripleChecker+Valid, 15322 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-13 13:23:10,070 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5087 Valid, 15322 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-13 13:23:10,077 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6584 states. [2022-12-13 13:23:10,310 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6584 to 6584. [2022-12-13 13:23:10,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6584 states, 4312 states have (on average 1.2720315398886828) internal successors, (5485), 4467 states have internal predecessors, (5485), 1936 states have call successors, (1936), 342 states have call predecessors, (1936), 333 states have return successors, (2014), 1881 states have call predecessors, (2014), 1930 states have call successors, (2014) [2022-12-13 13:23:10,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6584 states to 6584 states and 9435 transitions. [2022-12-13 13:23:10,345 INFO L78 Accepts]: Start accepts. Automaton has 6584 states and 9435 transitions. Word has length 72 [2022-12-13 13:23:10,345 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 13:23:10,345 INFO L495 AbstractCegarLoop]: Abstraction has 6584 states and 9435 transitions. [2022-12-13 13:23:10,345 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.6) internal successors, (38), 4 states have internal predecessors, (38), 2 states have call successors, (11), 3 states have call predecessors, (11), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2022-12-13 13:23:10,346 INFO L276 IsEmpty]: Start isEmpty. Operand 6584 states and 9435 transitions. [2022-12-13 13:23:10,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2022-12-13 13:23:10,346 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 13:23:10,347 INFO L195 NwaCegarLoop]: trace histogram [5, 4, 4, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 13:23:10,347 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-12-13 13:23:10,347 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-12-13 13:23:10,347 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 13:23:10,347 INFO L85 PathProgramCache]: Analyzing trace with hash -1041684861, now seen corresponding path program 1 times [2022-12-13 13:23:10,347 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 13:23:10,347 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1060158551] [2022-12-13 13:23:10,347 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 13:23:10,347 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 13:23:10,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:23:11,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 13:23:11,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:23:11,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-12-13 13:23:11,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:23:11,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-12-13 13:23:11,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:23:11,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 13:23:11,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:23:11,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-12-13 13:23:11,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:23:11,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-12-13 13:23:11,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:23:11,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-12-13 13:23:11,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:23:11,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-12-13 13:23:11,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:23:11,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-12-13 13:23:11,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:23:11,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-12-13 13:23:11,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:23:11,232 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2022-12-13 13:23:11,232 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 13:23:11,232 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1060158551] [2022-12-13 13:23:11,232 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1060158551] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 13:23:11,232 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 13:23:11,232 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-13 13:23:11,232 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1416690191] [2022-12-13 13:23:11,232 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 13:23:11,233 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-13 13:23:11,233 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 13:23:11,233 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-13 13:23:11,233 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-13 13:23:11,233 INFO L87 Difference]: Start difference. First operand 6584 states and 9435 transitions. Second operand has 5 states, 5 states have (on average 6.2) internal successors, (31), 4 states have internal predecessors, (31), 2 states have call successors, (12), 3 states have call predecessors, (12), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2022-12-13 13:23:11,629 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 13:23:11,630 INFO L93 Difference]: Finished difference Result 6594 states and 9444 transitions. [2022-12-13 13:23:11,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-13 13:23:11,630 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.2) internal successors, (31), 4 states have internal predecessors, (31), 2 states have call successors, (12), 3 states have call predecessors, (12), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 70 [2022-12-13 13:23:11,630 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 13:23:11,652 INFO L225 Difference]: With dead ends: 6594 [2022-12-13 13:23:11,652 INFO L226 Difference]: Without dead ends: 6592 [2022-12-13 13:23:11,655 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-12-13 13:23:11,656 INFO L413 NwaCegarLoop]: 5116 mSDtfsCounter, 5079 mSDsluCounter, 10206 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5093 SdHoareTripleChecker+Valid, 15322 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-13 13:23:11,656 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5093 Valid, 15322 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-13 13:23:11,663 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6592 states. [2022-12-13 13:23:11,884 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6592 to 6592. [2022-12-13 13:23:11,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6592 states, 4318 states have (on average 1.2716535433070866) internal successors, (5491), 4473 states have internal predecessors, (5491), 1936 states have call successors, (1936), 344 states have call predecessors, (1936), 335 states have return successors, (2014), 1881 states have call predecessors, (2014), 1930 states have call successors, (2014) [2022-12-13 13:23:11,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6592 states to 6592 states and 9441 transitions. [2022-12-13 13:23:11,913 INFO L78 Accepts]: Start accepts. Automaton has 6592 states and 9441 transitions. Word has length 70 [2022-12-13 13:23:11,913 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 13:23:11,914 INFO L495 AbstractCegarLoop]: Abstraction has 6592 states and 9441 transitions. [2022-12-13 13:23:11,914 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.2) internal successors, (31), 4 states have internal predecessors, (31), 2 states have call successors, (12), 3 states have call predecessors, (12), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2022-12-13 13:23:11,914 INFO L276 IsEmpty]: Start isEmpty. Operand 6592 states and 9441 transitions. [2022-12-13 13:23:11,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2022-12-13 13:23:11,915 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 13:23:11,915 INFO L195 NwaCegarLoop]: trace histogram [6, 5, 5, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 13:23:11,915 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-12-13 13:23:11,915 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 13:23:11,915 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 13:23:11,915 INFO L85 PathProgramCache]: Analyzing trace with hash 1844566574, now seen corresponding path program 1 times [2022-12-13 13:23:11,915 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 13:23:11,915 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [605222811] [2022-12-13 13:23:11,915 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 13:23:11,916 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 13:23:12,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:23:12,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 13:23:12,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:23:12,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-12-13 13:23:12,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:23:12,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-12-13 13:23:12,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:23:12,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 13:23:12,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:23:12,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-12-13 13:23:12,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:23:12,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-12-13 13:23:12,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:23:12,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2022-12-13 13:23:12,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:23:12,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-12-13 13:23:12,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:23:12,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2022-12-13 13:23:12,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:23:12,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2022-12-13 13:23:12,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:23:12,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-12-13 13:23:12,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:23:12,790 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2022-12-13 13:23:12,790 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 13:23:12,790 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [605222811] [2022-12-13 13:23:12,790 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [605222811] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 13:23:12,790 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 13:23:12,791 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-13 13:23:12,791 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1842228379] [2022-12-13 13:23:12,791 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 13:23:12,791 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-13 13:23:12,791 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 13:23:12,791 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-13 13:23:12,792 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-13 13:23:12,792 INFO L87 Difference]: Start difference. First operand 6592 states and 9441 transitions. Second operand has 5 states, 5 states have (on average 7.6) internal successors, (38), 4 states have internal predecessors, (38), 2 states have call successors, (13), 3 states have call predecessors, (13), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2022-12-13 13:23:13,121 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 13:23:13,121 INFO L93 Difference]: Finished difference Result 6602 states and 9450 transitions. [2022-12-13 13:23:13,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-13 13:23:13,122 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.6) internal successors, (38), 4 states have internal predecessors, (38), 2 states have call successors, (13), 3 states have call predecessors, (13), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 82 [2022-12-13 13:23:13,122 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 13:23:13,141 INFO L225 Difference]: With dead ends: 6602 [2022-12-13 13:23:13,141 INFO L226 Difference]: Without dead ends: 6600 [2022-12-13 13:23:13,144 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-12-13 13:23:13,145 INFO L413 NwaCegarLoop]: 5116 mSDtfsCounter, 5072 mSDsluCounter, 10206 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5085 SdHoareTripleChecker+Valid, 15322 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-13 13:23:13,145 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5085 Valid, 15322 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-13 13:23:13,151 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6600 states. [2022-12-13 13:23:13,505 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6600 to 6600. [2022-12-13 13:23:13,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6600 states, 4324 states have (on average 1.2712765957446808) internal successors, (5497), 4479 states have internal predecessors, (5497), 1936 states have call successors, (1936), 346 states have call predecessors, (1936), 337 states have return successors, (2014), 1881 states have call predecessors, (2014), 1930 states have call successors, (2014) [2022-12-13 13:23:13,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6600 states to 6600 states and 9447 transitions. [2022-12-13 13:23:13,546 INFO L78 Accepts]: Start accepts. Automaton has 6600 states and 9447 transitions. Word has length 82 [2022-12-13 13:23:13,546 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 13:23:13,546 INFO L495 AbstractCegarLoop]: Abstraction has 6600 states and 9447 transitions. [2022-12-13 13:23:13,546 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.6) internal successors, (38), 4 states have internal predecessors, (38), 2 states have call successors, (13), 3 states have call predecessors, (13), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2022-12-13 13:23:13,546 INFO L276 IsEmpty]: Start isEmpty. Operand 6600 states and 9447 transitions. [2022-12-13 13:23:13,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2022-12-13 13:23:13,547 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 13:23:13,548 INFO L195 NwaCegarLoop]: trace histogram [7, 6, 6, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 13:23:13,548 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-12-13 13:23:13,548 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 13:23:13,548 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 13:23:13,548 INFO L85 PathProgramCache]: Analyzing trace with hash -1291290297, now seen corresponding path program 1 times [2022-12-13 13:23:13,548 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 13:23:13,548 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [860901338] [2022-12-13 13:23:13,549 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 13:23:13,549 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 13:23:13,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:23:14,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 13:23:14,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:23:14,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-12-13 13:23:14,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:23:14,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-12-13 13:23:14,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:23:14,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 13:23:14,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:23:14,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-12-13 13:23:14,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:23:14,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-12-13 13:23:14,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:23:14,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2022-12-13 13:23:14,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:23:14,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-12-13 13:23:14,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:23:14,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2022-12-13 13:23:14,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:23:14,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2022-12-13 13:23:14,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:23:14,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-12-13 13:23:14,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:23:14,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-12-13 13:23:14,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:23:14,382 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2022-12-13 13:23:14,382 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 13:23:14,383 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [860901338] [2022-12-13 13:23:14,383 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [860901338] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 13:23:14,383 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 13:23:14,383 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-13 13:23:14,383 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [852860877] [2022-12-13 13:23:14,383 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 13:23:14,383 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-13 13:23:14,383 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 13:23:14,384 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-13 13:23:14,384 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-13 13:23:14,384 INFO L87 Difference]: Start difference. First operand 6600 states and 9447 transitions. Second operand has 5 states, 5 states have (on average 7.6) internal successors, (38), 4 states have internal predecessors, (38), 2 states have call successors, (14), 3 states have call predecessors, (14), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2022-12-13 13:23:14,785 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 13:23:14,785 INFO L93 Difference]: Finished difference Result 6610 states and 9456 transitions. [2022-12-13 13:23:14,785 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-13 13:23:14,785 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.6) internal successors, (38), 4 states have internal predecessors, (38), 2 states have call successors, (14), 3 states have call predecessors, (14), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 87 [2022-12-13 13:23:14,786 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 13:23:14,809 INFO L225 Difference]: With dead ends: 6610 [2022-12-13 13:23:14,810 INFO L226 Difference]: Without dead ends: 6608 [2022-12-13 13:23:14,813 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-12-13 13:23:14,814 INFO L413 NwaCegarLoop]: 5116 mSDtfsCounter, 5072 mSDsluCounter, 10206 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5084 SdHoareTripleChecker+Valid, 15322 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-13 13:23:14,814 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5084 Valid, 15322 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-13 13:23:14,821 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6608 states. [2022-12-13 13:23:15,084 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6608 to 6608. [2022-12-13 13:23:15,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6608 states, 4330 states have (on average 1.2709006928406466) internal successors, (5503), 4485 states have internal predecessors, (5503), 1936 states have call successors, (1936), 348 states have call predecessors, (1936), 339 states have return successors, (2014), 1881 states have call predecessors, (2014), 1930 states have call successors, (2014) [2022-12-13 13:23:15,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6608 states to 6608 states and 9453 transitions. [2022-12-13 13:23:15,114 INFO L78 Accepts]: Start accepts. Automaton has 6608 states and 9453 transitions. Word has length 87 [2022-12-13 13:23:15,114 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 13:23:15,114 INFO L495 AbstractCegarLoop]: Abstraction has 6608 states and 9453 transitions. [2022-12-13 13:23:15,114 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.6) internal successors, (38), 4 states have internal predecessors, (38), 2 states have call successors, (14), 3 states have call predecessors, (14), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2022-12-13 13:23:15,114 INFO L276 IsEmpty]: Start isEmpty. Operand 6608 states and 9453 transitions. [2022-12-13 13:23:15,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2022-12-13 13:23:15,115 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 13:23:15,115 INFO L195 NwaCegarLoop]: trace histogram [8, 7, 7, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 13:23:15,116 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-12-13 13:23:15,116 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 13:23:15,116 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 13:23:15,116 INFO L85 PathProgramCache]: Analyzing trace with hash -1459390066, now seen corresponding path program 1 times [2022-12-13 13:23:15,116 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 13:23:15,116 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [406581459] [2022-12-13 13:23:15,117 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 13:23:15,117 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 13:23:15,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:23:15,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 13:23:15,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:23:15,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-12-13 13:23:15,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:23:15,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-12-13 13:23:15,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:23:15,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 13:23:15,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:23:15,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-12-13 13:23:15,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:23:15,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-12-13 13:23:15,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:23:15,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2022-12-13 13:23:15,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:23:15,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-12-13 13:23:15,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:23:15,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2022-12-13 13:23:15,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:23:15,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2022-12-13 13:23:15,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:23:15,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-12-13 13:23:15,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:23:15,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-12-13 13:23:15,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:23:15,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2022-12-13 13:23:15,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:23:15,930 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked. [2022-12-13 13:23:15,930 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 13:23:15,930 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [406581459] [2022-12-13 13:23:15,930 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [406581459] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 13:23:15,930 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 13:23:15,930 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-13 13:23:15,930 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1158413550] [2022-12-13 13:23:15,930 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 13:23:15,931 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-13 13:23:15,931 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 13:23:15,931 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-13 13:23:15,931 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-13 13:23:15,931 INFO L87 Difference]: Start difference. First operand 6608 states and 9453 transitions. Second operand has 5 states, 5 states have (on average 7.6) internal successors, (38), 4 states have internal predecessors, (38), 2 states have call successors, (15), 3 states have call predecessors, (15), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2022-12-13 13:23:16,386 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 13:23:16,386 INFO L93 Difference]: Finished difference Result 9254 states and 13154 transitions. [2022-12-13 13:23:16,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-13 13:23:16,387 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.6) internal successors, (38), 4 states have internal predecessors, (38), 2 states have call successors, (15), 3 states have call predecessors, (15), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 92 [2022-12-13 13:23:16,387 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 13:23:16,415 INFO L225 Difference]: With dead ends: 9254 [2022-12-13 13:23:16,415 INFO L226 Difference]: Without dead ends: 9252 [2022-12-13 13:23:16,420 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-12-13 13:23:16,421 INFO L413 NwaCegarLoop]: 6835 mSDtfsCounter, 3778 mSDsluCounter, 16818 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3789 SdHoareTripleChecker+Valid, 23653 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-13 13:23:16,421 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3789 Valid, 23653 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-13 13:23:16,429 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9252 states. [2022-12-13 13:23:16,814 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9252 to 9244. [2022-12-13 13:23:16,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9244 states, 6032 states have (on average 1.2680702917771882) internal successors, (7649), 6224 states have internal predecessors, (7649), 2677 states have call successors, (2677), 549 states have call predecessors, (2677), 532 states have return successors, (2819), 2608 states have call predecessors, (2819), 2671 states have call successors, (2819) [2022-12-13 13:23:16,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9244 states to 9244 states and 13145 transitions. [2022-12-13 13:23:16,848 INFO L78 Accepts]: Start accepts. Automaton has 9244 states and 13145 transitions. Word has length 92 [2022-12-13 13:23:16,848 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 13:23:16,849 INFO L495 AbstractCegarLoop]: Abstraction has 9244 states and 13145 transitions. [2022-12-13 13:23:16,849 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.6) internal successors, (38), 4 states have internal predecessors, (38), 2 states have call successors, (15), 3 states have call predecessors, (15), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2022-12-13 13:23:16,849 INFO L276 IsEmpty]: Start isEmpty. Operand 9244 states and 13145 transitions. [2022-12-13 13:23:16,849 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2022-12-13 13:23:16,850 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 13:23:16,850 INFO L195 NwaCegarLoop]: trace histogram [9, 8, 8, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 13:23:16,850 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-12-13 13:23:16,850 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 13:23:16,850 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 13:23:16,850 INFO L85 PathProgramCache]: Analyzing trace with hash -1322408601, now seen corresponding path program 1 times [2022-12-13 13:23:16,850 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 13:23:16,850 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [636245432] [2022-12-13 13:23:16,850 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 13:23:16,850 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 13:23:17,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:23:17,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 13:23:17,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:23:17,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-12-13 13:23:17,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:23:17,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-12-13 13:23:17,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:23:17,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 13:23:17,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:23:17,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-12-13 13:23:17,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:23:17,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-12-13 13:23:17,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:23:17,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2022-12-13 13:23:17,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:23:17,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-12-13 13:23:17,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:23:17,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2022-12-13 13:23:17,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:23:17,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2022-12-13 13:23:17,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:23:17,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-12-13 13:23:17,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:23:17,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-12-13 13:23:17,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:23:17,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2022-12-13 13:23:17,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:23:17,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-12-13 13:23:17,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:23:17,659 INFO L134 CoverageAnalysis]: Checked inductivity of 143 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 127 trivial. 0 not checked. [2022-12-13 13:23:17,659 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 13:23:17,659 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [636245432] [2022-12-13 13:23:17,659 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [636245432] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 13:23:17,659 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 13:23:17,659 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-13 13:23:17,659 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [180585333] [2022-12-13 13:23:17,659 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 13:23:17,660 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-13 13:23:17,660 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 13:23:17,660 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-13 13:23:17,660 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-13 13:23:17,660 INFO L87 Difference]: Start difference. First operand 9244 states and 13145 transitions. Second operand has 5 states, 5 states have (on average 7.6) internal successors, (38), 4 states have internal predecessors, (38), 2 states have call successors, (16), 3 states have call predecessors, (16), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2022-12-13 13:23:18,121 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 13:23:18,122 INFO L93 Difference]: Finished difference Result 9254 states and 13154 transitions. [2022-12-13 13:23:18,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-13 13:23:18,122 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.6) internal successors, (38), 4 states have internal predecessors, (38), 2 states have call successors, (16), 3 states have call predecessors, (16), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 97 [2022-12-13 13:23:18,123 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 13:23:18,148 INFO L225 Difference]: With dead ends: 9254 [2022-12-13 13:23:18,148 INFO L226 Difference]: Without dead ends: 9252 [2022-12-13 13:23:18,153 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-12-13 13:23:18,154 INFO L413 NwaCegarLoop]: 5116 mSDtfsCounter, 5072 mSDsluCounter, 10206 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5082 SdHoareTripleChecker+Valid, 15322 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-13 13:23:18,154 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5082 Valid, 15322 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-13 13:23:18,161 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9252 states. [2022-12-13 13:23:18,550 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9252 to 9252. [2022-12-13 13:23:18,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9252 states, 6038 states have (on average 1.2678039085789996) internal successors, (7655), 6230 states have internal predecessors, (7655), 2677 states have call successors, (2677), 551 states have call predecessors, (2677), 534 states have return successors, (2819), 2608 states have call predecessors, (2819), 2671 states have call successors, (2819) [2022-12-13 13:23:18,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9252 states to 9252 states and 13151 transitions. [2022-12-13 13:23:18,584 INFO L78 Accepts]: Start accepts. Automaton has 9252 states and 13151 transitions. Word has length 97 [2022-12-13 13:23:18,584 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 13:23:18,584 INFO L495 AbstractCegarLoop]: Abstraction has 9252 states and 13151 transitions. [2022-12-13 13:23:18,584 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.6) internal successors, (38), 4 states have internal predecessors, (38), 2 states have call successors, (16), 3 states have call predecessors, (16), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2022-12-13 13:23:18,584 INFO L276 IsEmpty]: Start isEmpty. Operand 9252 states and 13151 transitions. [2022-12-13 13:23:18,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2022-12-13 13:23:18,585 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 13:23:18,585 INFO L195 NwaCegarLoop]: trace histogram [10, 9, 9, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 13:23:18,585 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-12-13 13:23:18,585 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 13:23:18,586 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 13:23:18,586 INFO L85 PathProgramCache]: Analyzing trace with hash 101650670, now seen corresponding path program 1 times [2022-12-13 13:23:18,586 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 13:23:18,586 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1135955317] [2022-12-13 13:23:18,586 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 13:23:18,586 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 13:23:18,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:23:19,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 13:23:19,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:23:19,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-12-13 13:23:19,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:23:19,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-12-13 13:23:19,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:23:19,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 13:23:19,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:23:19,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-12-13 13:23:19,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:23:19,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-12-13 13:23:19,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:23:19,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2022-12-13 13:23:19,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:23:19,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-12-13 13:23:19,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:23:19,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2022-12-13 13:23:19,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:23:19,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2022-12-13 13:23:19,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:23:19,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-12-13 13:23:19,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:23:19,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-12-13 13:23:19,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:23:19,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2022-12-13 13:23:19,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:23:19,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-12-13 13:23:19,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:23:19,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-12-13 13:23:19,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:23:19,383 INFO L134 CoverageAnalysis]: Checked inductivity of 177 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 159 trivial. 0 not checked. [2022-12-13 13:23:19,384 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 13:23:19,384 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1135955317] [2022-12-13 13:23:19,384 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1135955317] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 13:23:19,384 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 13:23:19,384 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-13 13:23:19,384 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [354095869] [2022-12-13 13:23:19,384 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 13:23:19,384 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-13 13:23:19,384 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 13:23:19,385 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-13 13:23:19,385 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-13 13:23:19,385 INFO L87 Difference]: Start difference. First operand 9252 states and 13151 transitions. Second operand has 5 states, 5 states have (on average 7.6) internal successors, (38), 4 states have internal predecessors, (38), 2 states have call successors, (17), 3 states have call predecessors, (17), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2022-12-13 13:23:20,021 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 13:23:20,021 INFO L93 Difference]: Finished difference Result 9262 states and 13160 transitions. [2022-12-13 13:23:20,022 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-13 13:23:20,022 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.6) internal successors, (38), 4 states have internal predecessors, (38), 2 states have call successors, (17), 3 states have call predecessors, (17), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 102 [2022-12-13 13:23:20,022 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 13:23:20,045 INFO L225 Difference]: With dead ends: 9262 [2022-12-13 13:23:20,045 INFO L226 Difference]: Without dead ends: 9260 [2022-12-13 13:23:20,049 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-12-13 13:23:20,050 INFO L413 NwaCegarLoop]: 5116 mSDtfsCounter, 5072 mSDsluCounter, 10206 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5081 SdHoareTripleChecker+Valid, 15322 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-13 13:23:20,050 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5081 Valid, 15322 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-13 13:23:20,057 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9260 states. [2022-12-13 13:23:20,461 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9260 to 9260. [2022-12-13 13:23:20,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9260 states, 6044 states have (on average 1.2675380542686963) internal successors, (7661), 6236 states have internal predecessors, (7661), 2677 states have call successors, (2677), 553 states have call predecessors, (2677), 536 states have return successors, (2819), 2608 states have call predecessors, (2819), 2671 states have call successors, (2819) [2022-12-13 13:23:20,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9260 states to 9260 states and 13157 transitions. [2022-12-13 13:23:20,494 INFO L78 Accepts]: Start accepts. Automaton has 9260 states and 13157 transitions. Word has length 102 [2022-12-13 13:23:20,494 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 13:23:20,494 INFO L495 AbstractCegarLoop]: Abstraction has 9260 states and 13157 transitions. [2022-12-13 13:23:20,494 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.6) internal successors, (38), 4 states have internal predecessors, (38), 2 states have call successors, (17), 3 states have call predecessors, (17), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2022-12-13 13:23:20,494 INFO L276 IsEmpty]: Start isEmpty. Operand 9260 states and 13157 transitions. [2022-12-13 13:23:20,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2022-12-13 13:23:20,495 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 13:23:20,495 INFO L195 NwaCegarLoop]: trace histogram [11, 10, 10, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 13:23:20,496 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-12-13 13:23:20,496 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 13:23:20,496 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 13:23:20,496 INFO L85 PathProgramCache]: Analyzing trace with hash -1110253085, now seen corresponding path program 1 times [2022-12-13 13:23:20,496 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 13:23:20,496 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [961980482] [2022-12-13 13:23:20,496 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 13:23:20,496 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 13:23:20,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:23:21,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 13:23:21,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:23:21,235 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-12-13 13:23:21,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:23:21,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-12-13 13:23:21,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:23:21,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 13:23:21,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:23:21,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-12-13 13:23:21,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:23:21,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-12-13 13:23:21,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:23:21,259 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-12-13 13:23:21,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:23:21,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-12-13 13:23:21,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:23:21,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-12-13 13:23:21,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:23:21,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-12-13 13:23:21,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:23:21,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-12-13 13:23:21,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:23:21,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-12-13 13:23:21,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:23:21,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2022-12-13 13:23:21,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:23:21,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2022-12-13 13:23:21,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:23:21,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2022-12-13 13:23:21,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:23:21,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-12-13 13:23:21,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:23:21,295 INFO L134 CoverageAnalysis]: Checked inductivity of 215 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 195 trivial. 0 not checked. [2022-12-13 13:23:21,296 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 13:23:21,296 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [961980482] [2022-12-13 13:23:21,296 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [961980482] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 13:23:21,296 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 13:23:21,296 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-13 13:23:21,296 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1094286914] [2022-12-13 13:23:21,296 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 13:23:21,296 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-13 13:23:21,296 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 13:23:21,297 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-13 13:23:21,297 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-13 13:23:21,297 INFO L87 Difference]: Start difference. First operand 9260 states and 13157 transitions. Second operand has 5 states, 5 states have (on average 6.2) internal successors, (31), 4 states have internal predecessors, (31), 2 states have call successors, (18), 3 states have call predecessors, (18), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2022-12-13 13:23:21,813 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 13:23:21,813 INFO L93 Difference]: Finished difference Result 9270 states and 13166 transitions. [2022-12-13 13:23:21,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-13 13:23:21,814 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.2) internal successors, (31), 4 states have internal predecessors, (31), 2 states have call successors, (18), 3 states have call predecessors, (18), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 100 [2022-12-13 13:23:21,815 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 13:23:21,834 INFO L225 Difference]: With dead ends: 9270 [2022-12-13 13:23:21,834 INFO L226 Difference]: Without dead ends: 9268 [2022-12-13 13:23:21,837 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-12-13 13:23:21,837 INFO L413 NwaCegarLoop]: 5116 mSDtfsCounter, 5079 mSDsluCounter, 10206 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5087 SdHoareTripleChecker+Valid, 15322 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-13 13:23:21,837 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5087 Valid, 15322 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-13 13:23:21,844 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9268 states. [2022-12-13 13:23:22,252 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9268 to 9268. [2022-12-13 13:23:22,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9268 states, 6050 states have (on average 1.2672727272727273) internal successors, (7667), 6242 states have internal predecessors, (7667), 2677 states have call successors, (2677), 555 states have call predecessors, (2677), 538 states have return successors, (2819), 2608 states have call predecessors, (2819), 2671 states have call successors, (2819) [2022-12-13 13:23:22,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9268 states to 9268 states and 13163 transitions. [2022-12-13 13:23:22,311 INFO L78 Accepts]: Start accepts. Automaton has 9268 states and 13163 transitions. Word has length 100 [2022-12-13 13:23:22,312 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 13:23:22,312 INFO L495 AbstractCegarLoop]: Abstraction has 9268 states and 13163 transitions. [2022-12-13 13:23:22,312 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.2) internal successors, (31), 4 states have internal predecessors, (31), 2 states have call successors, (18), 3 states have call predecessors, (18), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2022-12-13 13:23:22,312 INFO L276 IsEmpty]: Start isEmpty. Operand 9268 states and 13163 transitions. [2022-12-13 13:23:22,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2022-12-13 13:23:22,313 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 13:23:22,313 INFO L195 NwaCegarLoop]: trace histogram [12, 11, 11, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 13:23:22,313 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-12-13 13:23:22,313 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 13:23:22,313 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 13:23:22,313 INFO L85 PathProgramCache]: Analyzing trace with hash -1359044530, now seen corresponding path program 1 times [2022-12-13 13:23:22,313 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 13:23:22,313 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1870066606] [2022-12-13 13:23:22,314 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 13:23:22,314 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 13:23:22,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:23:23,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 13:23:23,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:23:23,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-12-13 13:23:23,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:23:23,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-12-13 13:23:23,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:23:23,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 13:23:23,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:23:23,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-12-13 13:23:23,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:23:23,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-12-13 13:23:23,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:23:23,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2022-12-13 13:23:23,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:23:23,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-12-13 13:23:23,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:23:23,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2022-12-13 13:23:23,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:23:23,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2022-12-13 13:23:23,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:23:23,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-12-13 13:23:23,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:23:23,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-12-13 13:23:23,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:23:23,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2022-12-13 13:23:23,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:23:23,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-12-13 13:23:23,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:23:23,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-12-13 13:23:23,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:23:23,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-12-13 13:23:23,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:23:23,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2022-12-13 13:23:23,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:23:23,119 INFO L134 CoverageAnalysis]: Checked inductivity of 257 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-12-13 13:23:23,119 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 13:23:23,120 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1870066606] [2022-12-13 13:23:23,120 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1870066606] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 13:23:23,120 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 13:23:23,120 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-13 13:23:23,120 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [47513289] [2022-12-13 13:23:23,120 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 13:23:23,120 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-13 13:23:23,120 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 13:23:23,121 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-13 13:23:23,121 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-13 13:23:23,121 INFO L87 Difference]: Start difference. First operand 9268 states and 13163 transitions. Second operand has 5 states, 5 states have (on average 7.6) internal successors, (38), 4 states have internal predecessors, (38), 2 states have call successors, (19), 3 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 13:23:23,748 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 13:23:23,748 INFO L93 Difference]: Finished difference Result 9278 states and 13172 transitions. [2022-12-13 13:23:23,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-13 13:23:23,749 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.6) internal successors, (38), 4 states have internal predecessors, (38), 2 states have call successors, (19), 3 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 112 [2022-12-13 13:23:23,749 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 13:23:23,773 INFO L225 Difference]: With dead ends: 9278 [2022-12-13 13:23:23,773 INFO L226 Difference]: Without dead ends: 9276 [2022-12-13 13:23:23,777 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-12-13 13:23:23,777 INFO L413 NwaCegarLoop]: 5116 mSDtfsCounter, 5072 mSDsluCounter, 10206 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5079 SdHoareTripleChecker+Valid, 15322 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-13 13:23:23,777 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5079 Valid, 15322 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-13 13:23:23,784 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9276 states. [2022-12-13 13:23:24,309 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9276 to 9276. [2022-12-13 13:23:24,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9276 states, 6056 states have (on average 1.267007926023778) internal successors, (7673), 6248 states have internal predecessors, (7673), 2677 states have call successors, (2677), 557 states have call predecessors, (2677), 540 states have return successors, (2819), 2608 states have call predecessors, (2819), 2671 states have call successors, (2819) [2022-12-13 13:23:24,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9276 states to 9276 states and 13169 transitions. [2022-12-13 13:23:24,344 INFO L78 Accepts]: Start accepts. Automaton has 9276 states and 13169 transitions. Word has length 112 [2022-12-13 13:23:24,344 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 13:23:24,344 INFO L495 AbstractCegarLoop]: Abstraction has 9276 states and 13169 transitions. [2022-12-13 13:23:24,344 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.6) internal successors, (38), 4 states have internal predecessors, (38), 2 states have call successors, (19), 3 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 13:23:24,345 INFO L276 IsEmpty]: Start isEmpty. Operand 9276 states and 13169 transitions. [2022-12-13 13:23:24,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2022-12-13 13:23:24,346 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 13:23:24,346 INFO L195 NwaCegarLoop]: trace histogram [13, 12, 12, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 13:23:24,346 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-12-13 13:23:24,346 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 13:23:24,346 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 13:23:24,346 INFO L85 PathProgramCache]: Analyzing trace with hash 1347491239, now seen corresponding path program 1 times [2022-12-13 13:23:24,346 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 13:23:24,346 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1372017748] [2022-12-13 13:23:24,347 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 13:23:24,347 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 13:23:24,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:23:25,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 13:23:25,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:23:25,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-12-13 13:23:25,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:23:25,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-12-13 13:23:25,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:23:25,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 13:23:25,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:23:25,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-12-13 13:23:25,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:23:25,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-12-13 13:23:25,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:23:25,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2022-12-13 13:23:25,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:23:25,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-12-13 13:23:25,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:23:25,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2022-12-13 13:23:25,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:23:25,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2022-12-13 13:23:25,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:23:25,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-12-13 13:23:25,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:23:25,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-12-13 13:23:25,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:23:25,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2022-12-13 13:23:25,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:23:25,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-12-13 13:23:25,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:23:25,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-12-13 13:23:25,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:23:25,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-12-13 13:23:25,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:23:25,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2022-12-13 13:23:25,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:23:25,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2022-12-13 13:23:25,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:23:25,178 INFO L134 CoverageAnalysis]: Checked inductivity of 303 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 279 trivial. 0 not checked. [2022-12-13 13:23:25,178 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 13:23:25,178 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1372017748] [2022-12-13 13:23:25,178 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1372017748] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 13:23:25,178 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 13:23:25,178 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-13 13:23:25,178 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [666720030] [2022-12-13 13:23:25,178 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 13:23:25,178 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-13 13:23:25,179 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 13:23:25,179 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-13 13:23:25,179 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-13 13:23:25,179 INFO L87 Difference]: Start difference. First operand 9276 states and 13169 transitions. Second operand has 5 states, 5 states have (on average 7.6) internal successors, (38), 4 states have internal predecessors, (38), 2 states have call successors, (20), 3 states have call predecessors, (20), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2022-12-13 13:23:25,743 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 13:23:25,743 INFO L93 Difference]: Finished difference Result 9438 states and 13319 transitions. [2022-12-13 13:23:25,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-13 13:23:25,743 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.6) internal successors, (38), 4 states have internal predecessors, (38), 2 states have call successors, (20), 3 states have call predecessors, (20), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 117 [2022-12-13 13:23:25,744 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 13:23:25,766 INFO L225 Difference]: With dead ends: 9438 [2022-12-13 13:23:25,766 INFO L226 Difference]: Without dead ends: 9436 [2022-12-13 13:23:25,770 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-12-13 13:23:25,771 INFO L413 NwaCegarLoop]: 5140 mSDtfsCounter, 5035 mSDsluCounter, 10331 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5041 SdHoareTripleChecker+Valid, 15471 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-13 13:23:25,771 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5041 Valid, 15471 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-13 13:23:25,778 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9436 states. [2022-12-13 13:23:26,256 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9436 to 9434. [2022-12-13 13:23:26,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9434 states, 6164 states have (on average 1.2639519792342635) internal successors, (7791), 6358 states have internal predecessors, (7791), 2691 states have call successors, (2691), 593 states have call predecessors, (2691), 576 states have return successors, (2833), 2622 states have call predecessors, (2833), 2685 states have call successors, (2833) [2022-12-13 13:23:26,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9434 states to 9434 states and 13315 transitions. [2022-12-13 13:23:26,291 INFO L78 Accepts]: Start accepts. Automaton has 9434 states and 13315 transitions. Word has length 117 [2022-12-13 13:23:26,291 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 13:23:26,292 INFO L495 AbstractCegarLoop]: Abstraction has 9434 states and 13315 transitions. [2022-12-13 13:23:26,292 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.6) internal successors, (38), 4 states have internal predecessors, (38), 2 states have call successors, (20), 3 states have call predecessors, (20), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2022-12-13 13:23:26,292 INFO L276 IsEmpty]: Start isEmpty. Operand 9434 states and 13315 transitions. [2022-12-13 13:23:26,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2022-12-13 13:23:26,293 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 13:23:26,293 INFO L195 NwaCegarLoop]: trace histogram [14, 13, 13, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 13:23:26,293 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-12-13 13:23:26,293 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 13:23:26,293 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 13:23:26,293 INFO L85 PathProgramCache]: Analyzing trace with hash -247715922, now seen corresponding path program 1 times [2022-12-13 13:23:26,293 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 13:23:26,293 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [161426221] [2022-12-13 13:23:26,294 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 13:23:26,294 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 13:23:26,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:23:27,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 13:23:27,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:23:27,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-12-13 13:23:27,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:23:27,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-12-13 13:23:27,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:23:27,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 13:23:27,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:23:27,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-12-13 13:23:27,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:23:27,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-12-13 13:23:27,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:23:27,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2022-12-13 13:23:27,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:23:27,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-12-13 13:23:27,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:23:27,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2022-12-13 13:23:27,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:23:27,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2022-12-13 13:23:27,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:23:27,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-12-13 13:23:27,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:23:27,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-12-13 13:23:27,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:23:27,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2022-12-13 13:23:27,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:23:27,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-12-13 13:23:27,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:23:27,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-12-13 13:23:27,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:23:27,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-12-13 13:23:27,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:23:27,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2022-12-13 13:23:27,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:23:27,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2022-12-13 13:23:27,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:23:27,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-12-13 13:23:27,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:23:27,101 INFO L134 CoverageAnalysis]: Checked inductivity of 353 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 327 trivial. 0 not checked. [2022-12-13 13:23:27,101 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 13:23:27,101 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [161426221] [2022-12-13 13:23:27,101 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [161426221] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 13:23:27,101 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 13:23:27,101 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-13 13:23:27,101 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1718836914] [2022-12-13 13:23:27,101 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 13:23:27,102 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-13 13:23:27,102 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 13:23:27,102 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-13 13:23:27,102 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-13 13:23:27,102 INFO L87 Difference]: Start difference. First operand 9434 states and 13315 transitions. Second operand has 5 states, 5 states have (on average 7.6) internal successors, (38), 4 states have internal predecessors, (38), 2 states have call successors, (21), 3 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 13:23:27,728 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 13:23:27,729 INFO L93 Difference]: Finished difference Result 9540 states and 13397 transitions. [2022-12-13 13:23:27,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-13 13:23:27,729 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.6) internal successors, (38), 4 states have internal predecessors, (38), 2 states have call successors, (21), 3 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 122 [2022-12-13 13:23:27,729 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 13:23:27,751 INFO L225 Difference]: With dead ends: 9540 [2022-12-13 13:23:27,751 INFO L226 Difference]: Without dead ends: 9538 [2022-12-13 13:23:27,755 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-12-13 13:23:27,756 INFO L413 NwaCegarLoop]: 5128 mSDtfsCounter, 5014 mSDsluCounter, 10330 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5019 SdHoareTripleChecker+Valid, 15458 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-13 13:23:27,756 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5019 Valid, 15458 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-13 13:23:27,763 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9538 states. [2022-12-13 13:23:28,281 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9538 to 9536. [2022-12-13 13:23:28,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9536 states, 6238 states have (on average 1.2614620070535427) internal successors, (7869), 6432 states have internal predecessors, (7869), 2691 states have call successors, (2691), 621 states have call predecessors, (2691), 604 states have return successors, (2833), 2622 states have call predecessors, (2833), 2685 states have call successors, (2833) [2022-12-13 13:23:28,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9536 states to 9536 states and 13393 transitions. [2022-12-13 13:23:28,314 INFO L78 Accepts]: Start accepts. Automaton has 9536 states and 13393 transitions. Word has length 122 [2022-12-13 13:23:28,314 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 13:23:28,314 INFO L495 AbstractCegarLoop]: Abstraction has 9536 states and 13393 transitions. [2022-12-13 13:23:28,315 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.6) internal successors, (38), 4 states have internal predecessors, (38), 2 states have call successors, (21), 3 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 13:23:28,315 INFO L276 IsEmpty]: Start isEmpty. Operand 9536 states and 13393 transitions. [2022-12-13 13:23:28,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2022-12-13 13:23:28,316 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 13:23:28,316 INFO L195 NwaCegarLoop]: trace histogram [15, 14, 14, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 13:23:28,316 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-12-13 13:23:28,317 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 13:23:28,317 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 13:23:28,317 INFO L85 PathProgramCache]: Analyzing trace with hash -293905977, now seen corresponding path program 1 times [2022-12-13 13:23:28,317 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 13:23:28,317 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1986112197] [2022-12-13 13:23:28,317 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 13:23:28,317 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 13:23:28,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:23:29,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 13:23:29,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:23:29,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-12-13 13:23:29,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:23:29,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-12-13 13:23:29,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:23:29,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 13:23:29,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:23:29,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-12-13 13:23:29,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:23:29,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-12-13 13:23:29,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:23:29,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2022-12-13 13:23:29,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:23:29,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-12-13 13:23:29,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:23:29,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2022-12-13 13:23:29,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:23:29,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2022-12-13 13:23:29,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:23:29,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-12-13 13:23:29,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:23:29,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-12-13 13:23:29,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:23:29,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2022-12-13 13:23:29,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:23:29,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-12-13 13:23:29,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:23:29,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-12-13 13:23:29,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:23:29,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-12-13 13:23:29,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:23:29,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2022-12-13 13:23:29,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:23:29,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2022-12-13 13:23:29,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:23:29,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-12-13 13:23:29,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:23:29,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2022-12-13 13:23:29,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:23:29,142 INFO L134 CoverageAnalysis]: Checked inductivity of 407 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 379 trivial. 0 not checked. [2022-12-13 13:23:29,142 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 13:23:29,142 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1986112197] [2022-12-13 13:23:29,142 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1986112197] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 13:23:29,142 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 13:23:29,142 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-13 13:23:29,142 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [396346014] [2022-12-13 13:23:29,143 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 13:23:29,143 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-13 13:23:29,143 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 13:23:29,143 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-13 13:23:29,143 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-13 13:23:29,144 INFO L87 Difference]: Start difference. First operand 9536 states and 13393 transitions. Second operand has 5 states, 5 states have (on average 7.6) internal successors, (38), 4 states have internal predecessors, (38), 2 states have call successors, (22), 3 states have call predecessors, (22), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2022-12-13 13:23:29,995 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 13:23:29,995 INFO L93 Difference]: Finished difference Result 9546 states and 13402 transitions. [2022-12-13 13:23:29,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-13 13:23:29,996 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.6) internal successors, (38), 4 states have internal predecessors, (38), 2 states have call successors, (22), 3 states have call predecessors, (22), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 127 [2022-12-13 13:23:29,997 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 13:23:30,017 INFO L225 Difference]: With dead ends: 9546 [2022-12-13 13:23:30,017 INFO L226 Difference]: Without dead ends: 9544 [2022-12-13 13:23:30,021 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-12-13 13:23:30,021 INFO L413 NwaCegarLoop]: 5116 mSDtfsCounter, 5072 mSDsluCounter, 10206 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5076 SdHoareTripleChecker+Valid, 15322 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-13 13:23:30,021 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5076 Valid, 15322 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-13 13:23:30,030 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9544 states. [2022-12-13 13:23:30,549 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9544 to 9544. [2022-12-13 13:23:30,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9544 states, 6244 states have (on average 1.2612107623318385) internal successors, (7875), 6438 states have internal predecessors, (7875), 2691 states have call successors, (2691), 623 states have call predecessors, (2691), 606 states have return successors, (2833), 2622 states have call predecessors, (2833), 2685 states have call successors, (2833) [2022-12-13 13:23:30,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9544 states to 9544 states and 13399 transitions. [2022-12-13 13:23:30,584 INFO L78 Accepts]: Start accepts. Automaton has 9544 states and 13399 transitions. Word has length 127 [2022-12-13 13:23:30,584 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 13:23:30,584 INFO L495 AbstractCegarLoop]: Abstraction has 9544 states and 13399 transitions. [2022-12-13 13:23:30,584 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.6) internal successors, (38), 4 states have internal predecessors, (38), 2 states have call successors, (22), 3 states have call predecessors, (22), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2022-12-13 13:23:30,584 INFO L276 IsEmpty]: Start isEmpty. Operand 9544 states and 13399 transitions. [2022-12-13 13:23:30,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2022-12-13 13:23:30,585 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 13:23:30,586 INFO L195 NwaCegarLoop]: trace histogram [16, 15, 15, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 13:23:30,586 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-12-13 13:23:30,586 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 13:23:30,586 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 13:23:30,586 INFO L85 PathProgramCache]: Analyzing trace with hash -1270514126, now seen corresponding path program 1 times [2022-12-13 13:23:30,586 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 13:23:30,586 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2070858132] [2022-12-13 13:23:30,586 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 13:23:30,586 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 13:23:30,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:23:31,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 13:23:31,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:23:31,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-12-13 13:23:31,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:23:31,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-12-13 13:23:31,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:23:31,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 13:23:31,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:23:31,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-12-13 13:23:31,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:23:31,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-12-13 13:23:31,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:23:31,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-12-13 13:23:31,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:23:31,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-12-13 13:23:31,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:23:31,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-12-13 13:23:31,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:23:31,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-12-13 13:23:31,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:23:31,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-12-13 13:23:31,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:23:31,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-12-13 13:23:31,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:23:31,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2022-12-13 13:23:31,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:23:31,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2022-12-13 13:23:31,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:23:31,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2022-12-13 13:23:31,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:23:31,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-12-13 13:23:31,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:23:31,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2022-12-13 13:23:31,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:23:31,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2022-12-13 13:23:31,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:23:31,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2022-12-13 13:23:31,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:23:31,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2022-12-13 13:23:31,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:23:31,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-12-13 13:23:31,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:23:31,418 INFO L134 CoverageAnalysis]: Checked inductivity of 465 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 435 trivial. 0 not checked. [2022-12-13 13:23:31,418 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 13:23:31,418 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2070858132] [2022-12-13 13:23:31,418 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2070858132] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 13:23:31,418 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 13:23:31,418 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-13 13:23:31,419 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1713527079] [2022-12-13 13:23:31,419 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 13:23:31,419 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-13 13:23:31,419 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 13:23:31,420 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-13 13:23:31,420 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-13 13:23:31,420 INFO L87 Difference]: Start difference. First operand 9544 states and 13399 transitions. Second operand has 5 states, 5 states have (on average 6.2) internal successors, (31), 4 states have internal predecessors, (31), 2 states have call successors, (23), 3 states have call predecessors, (23), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2022-12-13 13:23:32,067 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 13:23:32,067 INFO L93 Difference]: Finished difference Result 9554 states and 13408 transitions. [2022-12-13 13:23:32,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-13 13:23:32,068 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.2) internal successors, (31), 4 states have internal predecessors, (31), 2 states have call successors, (23), 3 states have call predecessors, (23), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) Word has length 125 [2022-12-13 13:23:32,068 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 13:23:32,089 INFO L225 Difference]: With dead ends: 9554 [2022-12-13 13:23:32,089 INFO L226 Difference]: Without dead ends: 9552 [2022-12-13 13:23:32,094 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-12-13 13:23:32,094 INFO L413 NwaCegarLoop]: 5116 mSDtfsCounter, 5079 mSDsluCounter, 10206 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5082 SdHoareTripleChecker+Valid, 15322 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-13 13:23:32,095 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5082 Valid, 15322 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-13 13:23:32,102 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9552 states. [2022-12-13 13:23:32,664 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9552 to 9552. [2022-12-13 13:23:32,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9552 states, 6250 states have (on average 1.26096) internal successors, (7881), 6444 states have internal predecessors, (7881), 2691 states have call successors, (2691), 625 states have call predecessors, (2691), 608 states have return successors, (2833), 2622 states have call predecessors, (2833), 2685 states have call successors, (2833) [2022-12-13 13:23:32,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9552 states to 9552 states and 13405 transitions. [2022-12-13 13:23:32,698 INFO L78 Accepts]: Start accepts. Automaton has 9552 states and 13405 transitions. Word has length 125 [2022-12-13 13:23:32,699 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 13:23:32,699 INFO L495 AbstractCegarLoop]: Abstraction has 9552 states and 13405 transitions. [2022-12-13 13:23:32,699 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.2) internal successors, (31), 4 states have internal predecessors, (31), 2 states have call successors, (23), 3 states have call predecessors, (23), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2022-12-13 13:23:32,699 INFO L276 IsEmpty]: Start isEmpty. Operand 9552 states and 13405 transitions. [2022-12-13 13:23:32,700 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2022-12-13 13:23:32,700 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 13:23:32,700 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 13:23:32,700 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-12-13 13:23:32,700 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-12-13 13:23:32,701 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 13:23:32,701 INFO L85 PathProgramCache]: Analyzing trace with hash 1672983518, now seen corresponding path program 1 times [2022-12-13 13:23:32,701 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 13:23:32,701 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1641776234] [2022-12-13 13:23:32,701 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 13:23:32,701 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 13:23:32,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:23:34,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 13:23:34,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:23:34,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-12-13 13:23:34,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:23:34,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-12-13 13:23:34,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:23:34,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 13:23:34,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:23:34,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 13:23:34,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:23:34,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-12-13 13:23:34,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:23:34,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-12-13 13:23:34,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:23:34,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 13:23:34,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:23:34,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 13:23:34,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:23:34,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-12-13 13:23:34,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:23:34,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-12-13 13:23:34,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:23:34,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 13:23:34,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:23:34,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 13:23:34,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:23:34,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-12-13 13:23:34,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:23:34,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-12-13 13:23:34,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:23:34,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2022-12-13 13:23:34,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:23:34,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 13:23:34,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:23:34,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2022-12-13 13:23:34,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:23:34,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-12-13 13:23:34,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:23:34,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2022-12-13 13:23:34,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:23:34,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2022-12-13 13:23:34,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:23:34,379 INFO L134 CoverageAnalysis]: Checked inductivity of 195 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 195 trivial. 0 not checked. [2022-12-13 13:23:34,379 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 13:23:34,379 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1641776234] [2022-12-13 13:23:34,379 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1641776234] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 13:23:34,379 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 13:23:34,379 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-12-13 13:23:34,379 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [148400321] [2022-12-13 13:23:34,379 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 13:23:34,379 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-13 13:23:34,380 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 13:23:34,380 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 13:23:34,380 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-12-13 13:23:34,380 INFO L87 Difference]: Start difference. First operand 9552 states and 13405 transitions. Second operand has 6 states, 6 states have (on average 9.833333333333334) internal successors, (59), 4 states have internal predecessors, (59), 2 states have call successors, (19), 4 states have call predecessors, (19), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2022-12-13 13:23:36,464 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 13:24:21,888 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 13:24:21,889 INFO L93 Difference]: Finished difference Result 10676 states and 15251 transitions. [2022-12-13 13:24:21,889 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-12-13 13:24:21,890 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.833333333333334) internal successors, (59), 4 states have internal predecessors, (59), 2 states have call successors, (19), 4 states have call predecessors, (19), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 147 [2022-12-13 13:24:21,890 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 13:24:21,917 INFO L225 Difference]: With dead ends: 10676 [2022-12-13 13:24:21,917 INFO L226 Difference]: Without dead ends: 10674 [2022-12-13 13:24:21,921 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2022-12-13 13:24:21,921 INFO L413 NwaCegarLoop]: 4554 mSDtfsCounter, 4925 mSDsluCounter, 11618 mSDsCounter, 0 mSdLazyCounter, 11338 mSolverCounterSat, 2325 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 41.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5715 SdHoareTripleChecker+Valid, 16172 SdHoareTripleChecker+Invalid, 13664 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 2325 IncrementalHoareTripleChecker+Valid, 11338 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 45.8s IncrementalHoareTripleChecker+Time [2022-12-13 13:24:21,921 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5715 Valid, 16172 Invalid, 13664 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [2325 Valid, 11338 Invalid, 1 Unknown, 0 Unchecked, 45.8s Time] [2022-12-13 13:24:21,929 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10674 states. [2022-12-13 13:24:22,593 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10674 to 9912. [2022-12-13 13:24:22,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9912 states, 6501 states have (on average 1.2634979233964005) internal successors, (8214), 6710 states have internal predecessors, (8214), 2765 states have call successors, (2765), 627 states have call predecessors, (2765), 643 states have return successors, (2997), 2713 states have call predecessors, (2997), 2759 states have call successors, (2997) [2022-12-13 13:24:22,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9912 states to 9912 states and 13976 transitions. [2022-12-13 13:24:22,626 INFO L78 Accepts]: Start accepts. Automaton has 9912 states and 13976 transitions. Word has length 147 [2022-12-13 13:24:22,627 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 13:24:22,627 INFO L495 AbstractCegarLoop]: Abstraction has 9912 states and 13976 transitions. [2022-12-13 13:24:22,627 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.833333333333334) internal successors, (59), 4 states have internal predecessors, (59), 2 states have call successors, (19), 4 states have call predecessors, (19), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2022-12-13 13:24:22,627 INFO L276 IsEmpty]: Start isEmpty. Operand 9912 states and 13976 transitions. [2022-12-13 13:24:22,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2022-12-13 13:24:22,628 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 13:24:22,628 INFO L195 NwaCegarLoop]: trace histogram [17, 16, 16, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 13:24:22,628 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-12-13 13:24:22,629 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-12-13 13:24:22,629 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 13:24:22,629 INFO L85 PathProgramCache]: Analyzing trace with hash -559372825, now seen corresponding path program 1 times [2022-12-13 13:24:22,629 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 13:24:22,629 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1150546560] [2022-12-13 13:24:22,629 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 13:24:22,629 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 13:24:22,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:24:23,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 13:24:23,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:24:23,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-12-13 13:24:23,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:24:23,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-12-13 13:24:23,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:24:23,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 13:24:23,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:24:23,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-12-13 13:24:23,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:24:23,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-12-13 13:24:23,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:24:23,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2022-12-13 13:24:23,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:24:23,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-12-13 13:24:23,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:24:23,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2022-12-13 13:24:23,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:24:23,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2022-12-13 13:24:23,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:24:23,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-12-13 13:24:23,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:24:23,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-12-13 13:24:23,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:24:23,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2022-12-13 13:24:23,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:24:23,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-12-13 13:24:23,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:24:23,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-12-13 13:24:23,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:24:23,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-12-13 13:24:23,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:24:23,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2022-12-13 13:24:23,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:24:23,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2022-12-13 13:24:23,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:24:23,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-12-13 13:24:23,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:24:23,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2022-12-13 13:24:23,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:24:23,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2022-12-13 13:24:23,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:24:23,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2022-12-13 13:24:23,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:24:23,458 INFO L134 CoverageAnalysis]: Checked inductivity of 527 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 495 trivial. 0 not checked. [2022-12-13 13:24:23,458 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 13:24:23,458 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1150546560] [2022-12-13 13:24:23,458 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1150546560] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 13:24:23,458 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 13:24:23,458 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-13 13:24:23,458 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [660844511] [2022-12-13 13:24:23,458 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 13:24:23,459 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-13 13:24:23,459 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 13:24:23,459 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-13 13:24:23,460 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-13 13:24:23,460 INFO L87 Difference]: Start difference. First operand 9912 states and 13976 transitions. Second operand has 5 states, 5 states have (on average 7.6) internal successors, (38), 4 states have internal predecessors, (38), 2 states have call successors, (24), 3 states have call predecessors, (24), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2022-12-13 13:24:24,254 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 13:24:24,254 INFO L93 Difference]: Finished difference Result 9922 states and 13985 transitions. [2022-12-13 13:24:24,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-13 13:24:24,255 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.6) internal successors, (38), 4 states have internal predecessors, (38), 2 states have call successors, (24), 3 states have call predecessors, (24), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) Word has length 137 [2022-12-13 13:24:24,255 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 13:24:24,274 INFO L225 Difference]: With dead ends: 9922 [2022-12-13 13:24:24,274 INFO L226 Difference]: Without dead ends: 9920 [2022-12-13 13:24:24,276 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-12-13 13:24:24,277 INFO L413 NwaCegarLoop]: 5116 mSDtfsCounter, 5072 mSDsluCounter, 10206 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5074 SdHoareTripleChecker+Valid, 15322 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-13 13:24:24,277 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5074 Valid, 15322 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-13 13:24:24,282 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9920 states. [2022-12-13 13:24:24,908 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9920 to 9920. [2022-12-13 13:24:24,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9920 states, 6507 states have (on average 1.2632549562010142) internal successors, (8220), 6716 states have internal predecessors, (8220), 2765 states have call successors, (2765), 629 states have call predecessors, (2765), 645 states have return successors, (2997), 2713 states have call predecessors, (2997), 2759 states have call successors, (2997) [2022-12-13 13:24:24,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9920 states to 9920 states and 13982 transitions. [2022-12-13 13:24:24,944 INFO L78 Accepts]: Start accepts. Automaton has 9920 states and 13982 transitions. Word has length 137 [2022-12-13 13:24:24,944 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 13:24:24,945 INFO L495 AbstractCegarLoop]: Abstraction has 9920 states and 13982 transitions. [2022-12-13 13:24:24,945 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.6) internal successors, (38), 4 states have internal predecessors, (38), 2 states have call successors, (24), 3 states have call predecessors, (24), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2022-12-13 13:24:24,945 INFO L276 IsEmpty]: Start isEmpty. Operand 9920 states and 13982 transitions. [2022-12-13 13:24:24,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2022-12-13 13:24:24,946 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 13:24:24,946 INFO L195 NwaCegarLoop]: trace histogram [18, 17, 17, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 13:24:24,946 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-12-13 13:24:24,946 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 13:24:24,947 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 13:24:24,947 INFO L85 PathProgramCache]: Analyzing trace with hash -437954414, now seen corresponding path program 1 times [2022-12-13 13:24:24,947 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 13:24:24,947 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1365817577] [2022-12-13 13:24:24,947 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 13:24:24,947 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 13:24:25,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:24:25,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 13:24:25,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:24:25,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-12-13 13:24:25,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:24:25,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-12-13 13:24:25,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:24:25,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 13:24:25,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:24:25,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-12-13 13:24:25,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:24:25,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-12-13 13:24:25,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:24:25,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-12-13 13:24:25,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:24:25,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-12-13 13:24:25,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:24:25,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-12-13 13:24:25,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:24:25,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-12-13 13:24:25,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:24:25,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-12-13 13:24:25,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:24:25,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-12-13 13:24:25,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:24:25,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2022-12-13 13:24:25,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:24:25,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2022-12-13 13:24:25,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:24:25,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2022-12-13 13:24:25,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:24:25,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-12-13 13:24:25,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:24:25,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2022-12-13 13:24:25,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:24:25,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2022-12-13 13:24:25,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:24:25,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2022-12-13 13:24:25,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:24:25,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2022-12-13 13:24:25,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:24:25,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-12-13 13:24:25,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:24:25,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2022-12-13 13:24:25,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:24:25,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2022-12-13 13:24:25,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:24:25,768 INFO L134 CoverageAnalysis]: Checked inductivity of 593 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 559 trivial. 0 not checked. [2022-12-13 13:24:25,768 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 13:24:25,768 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1365817577] [2022-12-13 13:24:25,768 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1365817577] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 13:24:25,769 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 13:24:25,769 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-13 13:24:25,769 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [28698484] [2022-12-13 13:24:25,769 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 13:24:25,769 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-13 13:24:25,769 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 13:24:25,770 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-13 13:24:25,770 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-13 13:24:25,770 INFO L87 Difference]: Start difference. First operand 9920 states and 13982 transitions. Second operand has 5 states, 5 states have (on average 6.2) internal successors, (31), 4 states have internal predecessors, (31), 2 states have call successors, (25), 3 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 13:24:26,585 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 13:24:26,585 INFO L93 Difference]: Finished difference Result 9972 states and 14026 transitions. [2022-12-13 13:24:26,585 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-13 13:24:26,586 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.2) internal successors, (31), 4 states have internal predecessors, (31), 2 states have call successors, (25), 3 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 135 [2022-12-13 13:24:26,586 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 13:24:26,608 INFO L225 Difference]: With dead ends: 9972 [2022-12-13 13:24:26,608 INFO L226 Difference]: Without dead ends: 9968 [2022-12-13 13:24:26,612 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-12-13 13:24:26,613 INFO L413 NwaCegarLoop]: 5116 mSDtfsCounter, 5034 mSDsluCounter, 10260 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5035 SdHoareTripleChecker+Valid, 15376 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-13 13:24:26,613 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5035 Valid, 15376 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-13 13:24:26,620 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9968 states. [2022-12-13 13:24:27,305 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9968 to 9966. [2022-12-13 13:24:27,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9966 states, 6542 states have (on average 1.2623051054723327) internal successors, (8258), 6750 states have internal predecessors, (8258), 2765 states have call successors, (2765), 641 states have call predecessors, (2765), 656 states have return successors, (2997), 2713 states have call predecessors, (2997), 2759 states have call successors, (2997) [2022-12-13 13:24:27,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9966 states to 9966 states and 14020 transitions. [2022-12-13 13:24:27,342 INFO L78 Accepts]: Start accepts. Automaton has 9966 states and 14020 transitions. Word has length 135 [2022-12-13 13:24:27,342 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 13:24:27,342 INFO L495 AbstractCegarLoop]: Abstraction has 9966 states and 14020 transitions. [2022-12-13 13:24:27,342 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.2) internal successors, (31), 4 states have internal predecessors, (31), 2 states have call successors, (25), 3 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 13:24:27,342 INFO L276 IsEmpty]: Start isEmpty. Operand 9966 states and 14020 transitions. [2022-12-13 13:24:27,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2022-12-13 13:24:27,343 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 13:24:27,344 INFO L195 NwaCegarLoop]: trace histogram [19, 18, 18, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 13:24:27,344 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-12-13 13:24:27,344 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 13:24:27,344 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 13:24:27,344 INFO L85 PathProgramCache]: Analyzing trace with hash -558958073, now seen corresponding path program 1 times [2022-12-13 13:24:27,344 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 13:24:27,344 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1491044613] [2022-12-13 13:24:27,345 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 13:24:27,345 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 13:24:27,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:24:28,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 13:24:28,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:24:28,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-12-13 13:24:28,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:24:28,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-12-13 13:24:28,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:24:28,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 13:24:28,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:24:28,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-12-13 13:24:28,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:24:28,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-12-13 13:24:28,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:24:28,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2022-12-13 13:24:28,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:24:28,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-12-13 13:24:28,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:24:28,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2022-12-13 13:24:28,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:24:28,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2022-12-13 13:24:28,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:24:28,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-12-13 13:24:28,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:24:28,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-12-13 13:24:28,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:24:28,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2022-12-13 13:24:28,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:24:28,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-12-13 13:24:28,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:24:28,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-12-13 13:24:28,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:24:28,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-12-13 13:24:28,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:24:28,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2022-12-13 13:24:28,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:24:28,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2022-12-13 13:24:28,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:24:28,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-12-13 13:24:28,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:24:28,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2022-12-13 13:24:28,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:24:28,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2022-12-13 13:24:28,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:24:28,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2022-12-13 13:24:28,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:24:28,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2022-12-13 13:24:28,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:24:28,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2022-12-13 13:24:28,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:24:28,198 INFO L134 CoverageAnalysis]: Checked inductivity of 663 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 627 trivial. 0 not checked. [2022-12-13 13:24:28,198 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 13:24:28,198 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1491044613] [2022-12-13 13:24:28,198 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1491044613] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 13:24:28,198 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 13:24:28,198 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-13 13:24:28,198 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1102421565] [2022-12-13 13:24:28,198 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 13:24:28,199 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-13 13:24:28,199 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 13:24:28,199 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-13 13:24:28,199 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-13 13:24:28,200 INFO L87 Difference]: Start difference. First operand 9966 states and 14020 transitions. Second operand has 5 states, 5 states have (on average 7.6) internal successors, (38), 4 states have internal predecessors, (38), 2 states have call successors, (26), 3 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 13:24:29,031 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 13:24:29,031 INFO L93 Difference]: Finished difference Result 9972 states and 14025 transitions. [2022-12-13 13:24:29,032 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-13 13:24:29,032 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.6) internal successors, (38), 4 states have internal predecessors, (38), 2 states have call successors, (26), 3 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 147 [2022-12-13 13:24:29,033 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 13:24:29,055 INFO L225 Difference]: With dead ends: 9972 [2022-12-13 13:24:29,055 INFO L226 Difference]: Without dead ends: 9757 [2022-12-13 13:24:29,060 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-12-13 13:24:29,061 INFO L413 NwaCegarLoop]: 5117 mSDtfsCounter, 5072 mSDsluCounter, 10208 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5072 SdHoareTripleChecker+Valid, 15325 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-13 13:24:29,061 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5072 Valid, 15325 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-13 13:24:29,068 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9757 states. [2022-12-13 13:24:29,770 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9757 to 9757. [2022-12-13 13:24:29,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9757 states, 6415 states have (on average 1.2668745128604832) internal successors, (8127), 6621 states have internal predecessors, (8127), 2719 states have call successors, (2719), 604 states have call predecessors, (2719), 620 states have return successors, (2954), 2670 states have call predecessors, (2954), 2716 states have call successors, (2954) [2022-12-13 13:24:29,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9757 states to 9757 states and 13800 transitions. [2022-12-13 13:24:29,806 INFO L78 Accepts]: Start accepts. Automaton has 9757 states and 13800 transitions. Word has length 147 [2022-12-13 13:24:29,806 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 13:24:29,806 INFO L495 AbstractCegarLoop]: Abstraction has 9757 states and 13800 transitions. [2022-12-13 13:24:29,806 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.6) internal successors, (38), 4 states have internal predecessors, (38), 2 states have call successors, (26), 3 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 13:24:29,806 INFO L276 IsEmpty]: Start isEmpty. Operand 9757 states and 13800 transitions. [2022-12-13 13:24:29,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2022-12-13 13:24:29,808 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 13:24:29,808 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2022-12-13 13:24:29,808 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-12-13 13:24:29,808 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-12-13 13:24:29,808 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 13:24:29,808 INFO L85 PathProgramCache]: Analyzing trace with hash -1936814251, now seen corresponding path program 1 times [2022-12-13 13:24:29,809 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 13:24:29,809 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [545641886] [2022-12-13 13:24:29,809 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 13:24:29,809 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 13:24:30,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:24:31,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 13:24:31,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:24:31,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-12-13 13:24:31,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:24:31,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-12-13 13:24:31,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:24:31,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 13:24:31,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:24:31,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 13:24:31,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:24:31,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-12-13 13:24:31,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:24:31,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-12-13 13:24:31,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:24:31,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 13:24:31,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:24:31,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 13:24:31,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:24:31,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-12-13 13:24:31,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:24:31,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-12-13 13:24:31,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:24:31,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 13:24:31,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:24:31,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 13:24:31,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:24:31,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-12-13 13:24:31,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:24:31,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-12-13 13:24:31,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:24:31,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2022-12-13 13:24:31,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:24:31,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 13:24:31,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:24:31,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2022-12-13 13:24:31,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:24:31,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-12-13 13:24:31,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:24:31,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2022-12-13 13:24:31,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:24:31,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2022-12-13 13:24:31,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:24:31,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-12-13 13:24:31,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:24:31,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2022-12-13 13:24:31,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:24:31,259 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-12-13 13:24:31,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:24:31,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2022-12-13 13:24:31,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:24:31,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-12-13 13:24:31,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:24:31,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-12-13 13:24:31,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:24:31,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2022-12-13 13:24:31,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:24:31,307 INFO L134 CoverageAnalysis]: Checked inductivity of 233 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 231 trivial. 0 not checked. [2022-12-13 13:24:31,307 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 13:24:31,307 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [545641886] [2022-12-13 13:24:31,307 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [545641886] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 13:24:31,307 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 13:24:31,307 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-12-13 13:24:31,307 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [957789881] [2022-12-13 13:24:31,307 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 13:24:31,308 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-12-13 13:24:31,308 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 13:24:31,308 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-12-13 13:24:31,309 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-12-13 13:24:31,309 INFO L87 Difference]: Start difference. First operand 9757 states and 13800 transitions. Second operand has 7 states, 6 states have (on average 12.5) internal successors, (75), 4 states have internal predecessors, (75), 3 states have call successors, (26), 5 states have call predecessors, (26), 1 states have return successors, (22), 2 states have call predecessors, (22), 3 states have call successors, (22) [2022-12-13 13:24:33,382 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 13:24:35,652 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.27s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 13:25:59,357 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 13:25:59,357 INFO L93 Difference]: Finished difference Result 10758 states and 15423 transitions. [2022-12-13 13:25:59,358 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-12-13 13:25:59,359 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 12.5) internal successors, (75), 4 states have internal predecessors, (75), 3 states have call successors, (26), 5 states have call predecessors, (26), 1 states have return successors, (22), 2 states have call predecessors, (22), 3 states have call successors, (22) Word has length 180 [2022-12-13 13:25:59,359 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 13:25:59,396 INFO L225 Difference]: With dead ends: 10758 [2022-12-13 13:25:59,396 INFO L226 Difference]: Without dead ends: 10756 [2022-12-13 13:25:59,401 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=72, Invalid=138, Unknown=0, NotChecked=0, Total=210 [2022-12-13 13:25:59,402 INFO L413 NwaCegarLoop]: 3255 mSDtfsCounter, 10450 mSDsluCounter, 10098 mSDsCounter, 0 mSdLazyCounter, 16580 mSolverCounterSat, 7876 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 77.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11045 SdHoareTripleChecker+Valid, 13353 SdHoareTripleChecker+Invalid, 24458 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.3s SdHoareTripleChecker+Time, 7876 IncrementalHoareTripleChecker+Valid, 16580 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 85.3s IncrementalHoareTripleChecker+Time [2022-12-13 13:25:59,402 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11045 Valid, 13353 Invalid, 24458 Unknown, 0 Unchecked, 0.3s Time], IncrementalHoareTripleChecker [7876 Valid, 16580 Invalid, 2 Unknown, 0 Unchecked, 85.3s Time] [2022-12-13 13:25:59,411 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10756 states. [2022-12-13 13:26:00,167 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10756 to 9787. [2022-12-13 13:26:00,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9787 states, 6415 states have (on average 1.2643803585346842) internal successors, (8111), 6621 states have internal predecessors, (8111), 2733 states have call successors, (2733), 606 states have call predecessors, (2733), 636 states have return successors, (2975), 2699 states have call predecessors, (2975), 2730 states have call successors, (2975) [2022-12-13 13:26:00,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9787 states to 9787 states and 13819 transitions. [2022-12-13 13:26:00,203 INFO L78 Accepts]: Start accepts. Automaton has 9787 states and 13819 transitions. Word has length 180 [2022-12-13 13:26:00,203 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 13:26:00,204 INFO L495 AbstractCegarLoop]: Abstraction has 9787 states and 13819 transitions. [2022-12-13 13:26:00,204 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 12.5) internal successors, (75), 4 states have internal predecessors, (75), 3 states have call successors, (26), 5 states have call predecessors, (26), 1 states have return successors, (22), 2 states have call predecessors, (22), 3 states have call successors, (22) [2022-12-13 13:26:00,204 INFO L276 IsEmpty]: Start isEmpty. Operand 9787 states and 13819 transitions. [2022-12-13 13:26:00,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2022-12-13 13:26:00,205 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 13:26:00,206 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:26:00,206 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2022-12-13 13:26:00,206 INFO L420 AbstractCegarLoop]: === Iteration 22 === 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 13:26:00,206 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 13:26:00,206 INFO L85 PathProgramCache]: Analyzing trace with hash 1834636595, now seen corresponding path program 1 times [2022-12-13 13:26:00,206 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 13:26:00,206 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1593727009] [2022-12-13 13:26:00,206 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 13:26:00,207 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 13:26:00,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:26:00,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 13:26:00,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:26:00,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-12-13 13:26:00,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:26:00,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-12-13 13:26:00,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:26:00,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 13:26:00,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:26:00,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 13:26:00,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:26:00,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-12-13 13:26:00,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:26:00,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-12-13 13:26:00,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:26:00,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 13:26:00,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:26:00,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 13:26:00,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:26:00,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-12-13 13:26:00,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:26:00,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-12-13 13:26:00,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:26:00,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 13:26:00,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:26:00,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 13:26:00,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:26:00,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-12-13 13:26:00,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:26:00,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-12-13 13:26:00,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:26:00,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2022-12-13 13:26:00,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:26:00,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 13:26:00,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:26:00,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2022-12-13 13:26:00,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:26:00,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-12-13 13:26:00,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:26:00,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2022-12-13 13:26:00,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:26:00,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-12-13 13:26:00,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:26:00,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2022-12-13 13:26:00,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:26:00,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2022-12-13 13:26:00,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:26:00,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2022-12-13 13:26:00,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:26:00,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2022-12-13 13:26:00,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:26:00,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-12-13 13:26:00,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:26:00,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-12-13 13:26:00,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:26:00,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2022-12-13 13:26:00,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:26:00,969 INFO L134 CoverageAnalysis]: Checked inductivity of 234 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 234 trivial. 0 not checked. [2022-12-13 13:26:00,969 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 13:26:00,969 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1593727009] [2022-12-13 13:26:00,969 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1593727009] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 13:26:00,969 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 13:26:00,969 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-12-13 13:26:00,969 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1141695115] [2022-12-13 13:26:00,970 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 13:26:00,970 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-13 13:26:00,970 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 13:26:00,970 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 13:26:00,970 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-12-13 13:26:00,971 INFO L87 Difference]: Start difference. First operand 9787 states and 13819 transitions. Second operand has 6 states, 5 states have (on average 16.0) internal successors, (80), 4 states have internal predecessors, (80), 3 states have call successors, (27), 4 states have call predecessors, (27), 2 states have return successors, (22), 2 states have call predecessors, (22), 3 states have call successors, (22) [2022-12-13 13:26:03,042 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 13:26:05,311 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.27s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 13:26:58,412 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 13:26:58,412 INFO L93 Difference]: Finished difference Result 20524 states and 29236 transitions. [2022-12-13 13:26:58,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-13 13:26:58,413 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 16.0) internal successors, (80), 4 states have internal predecessors, (80), 3 states have call successors, (27), 4 states have call predecessors, (27), 2 states have return successors, (22), 2 states have call predecessors, (22), 3 states have call successors, (22) Word has length 188 [2022-12-13 13:26:58,413 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 13:26:58,450 INFO L225 Difference]: With dead ends: 20524 [2022-12-13 13:26:58,450 INFO L226 Difference]: Without dead ends: 10756 [2022-12-13 13:26:58,484 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2022-12-13 13:26:58,485 INFO L413 NwaCegarLoop]: 2852 mSDtfsCounter, 3806 mSDsluCounter, 7715 mSDsCounter, 0 mSdLazyCounter, 9849 mSolverCounterSat, 3328 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 50.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4115 SdHoareTripleChecker+Valid, 10567 SdHoareTripleChecker+Invalid, 13179 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 3328 IncrementalHoareTripleChecker+Valid, 9849 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 55.2s IncrementalHoareTripleChecker+Time [2022-12-13 13:26:58,485 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4115 Valid, 10567 Invalid, 13179 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [3328 Valid, 9849 Invalid, 2 Unknown, 0 Unchecked, 55.2s Time] [2022-12-13 13:26:58,493 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10756 states. [2022-12-13 13:26:59,259 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10756 to 9791. [2022-12-13 13:26:59,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9791 states, 6417 states have (on average 1.264297958547608) internal successors, (8113), 6625 states have internal predecessors, (8113), 2733 states have call successors, (2733), 606 states have call predecessors, (2733), 638 states have return successors, (2977), 2699 states have call predecessors, (2977), 2730 states have call successors, (2977) [2022-12-13 13:26:59,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9791 states to 9791 states and 13823 transitions. [2022-12-13 13:26:59,295 INFO L78 Accepts]: Start accepts. Automaton has 9791 states and 13823 transitions. Word has length 188 [2022-12-13 13:26:59,295 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 13:26:59,295 INFO L495 AbstractCegarLoop]: Abstraction has 9791 states and 13823 transitions. [2022-12-13 13:26:59,295 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 16.0) internal successors, (80), 4 states have internal predecessors, (80), 3 states have call successors, (27), 4 states have call predecessors, (27), 2 states have return successors, (22), 2 states have call predecessors, (22), 3 states have call successors, (22) [2022-12-13 13:26:59,295 INFO L276 IsEmpty]: Start isEmpty. Operand 9791 states and 13823 transitions. [2022-12-13 13:26:59,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2022-12-13 13:26:59,297 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 13:26:59,297 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:26:59,297 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2022-12-13 13:26:59,297 INFO L420 AbstractCegarLoop]: === Iteration 23 === 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 13:26:59,297 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 13:26:59,298 INFO L85 PathProgramCache]: Analyzing trace with hash 1216262923, now seen corresponding path program 1 times [2022-12-13 13:26:59,298 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 13:26:59,298 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1700351189] [2022-12-13 13:26:59,298 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 13:26:59,298 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 13:26:59,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:26:59,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 13:26:59,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:26:59,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-12-13 13:26:59,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:26:59,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-12-13 13:26:59,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:26:59,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 13:26:59,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:26:59,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 13:26:59,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:26:59,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-12-13 13:26:59,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:26:59,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-12-13 13:26:59,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:26:59,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 13:26:59,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:26:59,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 13:26:59,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:26:59,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-12-13 13:26:59,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:26:59,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-12-13 13:26:59,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:26:59,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 13:26:59,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:26:59,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 13:26:59,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:26:59,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-12-13 13:26:59,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:26:59,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-12-13 13:26:59,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:26:59,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2022-12-13 13:26:59,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:26:59,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 13:26:59,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:26:59,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2022-12-13 13:26:59,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:26:59,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-12-13 13:26:59,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:26:59,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2022-12-13 13:26:59,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:26:59,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-12-13 13:26:59,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:26:59,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2022-12-13 13:26:59,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:26:59,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 13:26:59,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:26:59,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2022-12-13 13:26:59,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:26:59,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-12-13 13:26:59,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:26:59,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2022-12-13 13:26:59,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:26:59,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-12-13 13:26:59,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:26:59,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-12-13 13:26:59,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:26:59,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2022-12-13 13:26:59,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:26:59,900 INFO L134 CoverageAnalysis]: Checked inductivity of 234 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 234 trivial. 0 not checked. [2022-12-13 13:26:59,900 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 13:26:59,900 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1700351189] [2022-12-13 13:26:59,900 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1700351189] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 13:26:59,901 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 13:26:59,901 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-13 13:26:59,901 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [4712832] [2022-12-13 13:26:59,901 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 13:26:59,901 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-13 13:26:59,901 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 13:26:59,902 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-13 13:26:59,902 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-13 13:26:59,902 INFO L87 Difference]: Start difference. First operand 9791 states and 13823 transitions. Second operand has 5 states, 4 states have (on average 20.5) internal successors, (82), 3 states have internal predecessors, (82), 4 states have call successors, (28), 4 states have call predecessors, (28), 1 states have return successors, (23), 2 states have call predecessors, (23), 3 states have call successors, (23) [2022-12-13 13:27:01,972 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 13:27:04,242 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.27s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 13:27:43,506 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.14s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 13:27:45,187 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 13:27:45,187 INFO L93 Difference]: Finished difference Result 20901 states and 29826 transitions. [2022-12-13 13:27:45,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-12-13 13:27:45,189 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 20.5) internal successors, (82), 3 states have internal predecessors, (82), 4 states have call successors, (28), 4 states have call predecessors, (28), 1 states have return successors, (23), 2 states have call predecessors, (23), 3 states have call successors, (23) Word has length 192 [2022-12-13 13:27:45,189 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 13:27:45,226 INFO L225 Difference]: With dead ends: 20901 [2022-12-13 13:27:45,226 INFO L226 Difference]: Without dead ends: 11129 [2022-12-13 13:27:45,249 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-12-13 13:27:45,249 INFO L413 NwaCegarLoop]: 2907 mSDtfsCounter, 4299 mSDsluCounter, 5006 mSDsCounter, 0 mSdLazyCounter, 7039 mSolverCounterSat, 3518 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 39.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4674 SdHoareTripleChecker+Valid, 7913 SdHoareTripleChecker+Invalid, 10559 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3518 IncrementalHoareTripleChecker+Valid, 7039 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 43.0s IncrementalHoareTripleChecker+Time [2022-12-13 13:27:45,250 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4674 Valid, 7913 Invalid, 10559 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3518 Valid, 7039 Invalid, 2 Unknown, 0 Unchecked, 43.0s Time] [2022-12-13 13:27:45,257 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11129 states. [2022-12-13 13:27:46,048 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11129 to 9799. [2022-12-13 13:27:46,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9799 states, 6423 states have (on average 1.2643624474544606) internal successors, (8121), 6632 states have internal predecessors, (8121), 2734 states have call successors, (2734), 606 states have call predecessors, (2734), 639 states have return successors, (2980), 2700 states have call predecessors, (2980), 2731 states have call successors, (2980) [2022-12-13 13:27:46,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9799 states to 9799 states and 13835 transitions. [2022-12-13 13:27:46,088 INFO L78 Accepts]: Start accepts. Automaton has 9799 states and 13835 transitions. Word has length 192 [2022-12-13 13:27:46,089 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 13:27:46,089 INFO L495 AbstractCegarLoop]: Abstraction has 9799 states and 13835 transitions. [2022-12-13 13:27:46,089 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 20.5) internal successors, (82), 3 states have internal predecessors, (82), 4 states have call successors, (28), 4 states have call predecessors, (28), 1 states have return successors, (23), 2 states have call predecessors, (23), 3 states have call successors, (23) [2022-12-13 13:27:46,089 INFO L276 IsEmpty]: Start isEmpty. Operand 9799 states and 13835 transitions. [2022-12-13 13:27:46,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2022-12-13 13:27:46,091 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 13:27:46,091 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2022-12-13 13:27:46,091 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2022-12-13 13:27:46,092 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 13:27:46,092 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 13:27:46,092 INFO L85 PathProgramCache]: Analyzing trace with hash 781595662, now seen corresponding path program 1 times [2022-12-13 13:27:46,092 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 13:27:46,092 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1271806224] [2022-12-13 13:27:46,092 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 13:27:46,092 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 13:27:46,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:27:46,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 13:27:46,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:27:46,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-12-13 13:27:46,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:27:46,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-12-13 13:27:46,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:27:46,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 13:27:46,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:27:46,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 13:27:46,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:27:46,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-12-13 13:27:46,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:27:46,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-12-13 13:27:46,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:27:46,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 13:27:46,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:27:46,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 13:27:46,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:27:46,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-12-13 13:27:46,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:27:46,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-12-13 13:27:46,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:27:46,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 13:27:46,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:27:46,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 13:27:46,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:27:46,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-12-13 13:27:46,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:27:46,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-12-13 13:27:46,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:27:46,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2022-12-13 13:27:46,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:27:46,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 13:27:46,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:27:46,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2022-12-13 13:27:46,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:27:46,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-12-13 13:27:46,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:27:46,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2022-12-13 13:27:46,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:27:46,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2022-12-13 13:27:46,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:27:46,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2022-12-13 13:27:46,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:27:46,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2022-12-13 13:27:46,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:27:46,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2022-12-13 13:27:46,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:27:46,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2022-12-13 13:27:46,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:27:46,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-12-13 13:27:46,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:27:46,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-12-13 13:27:46,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:27:46,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-12-13 13:27:46,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:27:46,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2022-12-13 13:27:46,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:27:47,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2022-12-13 13:27:47,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:27:47,051 INFO L134 CoverageAnalysis]: Checked inductivity of 242 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 240 trivial. 0 not checked. [2022-12-13 13:27:47,051 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 13:27:47,051 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1271806224] [2022-12-13 13:27:47,051 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1271806224] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 13:27:47,051 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 13:27:47,052 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-12-13 13:27:47,052 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [131818957] [2022-12-13 13:27:47,052 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 13:27:47,052 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-12-13 13:27:47,052 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 13:27:47,053 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-12-13 13:27:47,053 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-12-13 13:27:47,053 INFO L87 Difference]: Start difference. First operand 9799 states and 13835 transitions. Second operand has 7 states, 6 states have (on average 13.166666666666666) internal successors, (79), 3 states have internal predecessors, (79), 3 states have call successors, (28), 6 states have call predecessors, (28), 2 states have return successors, (24), 2 states have call predecessors, (24), 3 states have call successors, (24) [2022-12-13 13:27:49,136 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 13:27:51,394 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.26s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 13:27:53,653 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.26s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 13:27:55,903 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.25s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 13:28:57,244 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 13:29:04,851 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.18s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 13:29:07,732 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 13:29:07,732 INFO L93 Difference]: Finished difference Result 21724 states and 31530 transitions. [2022-12-13 13:29:07,733 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-12-13 13:29:07,733 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 13.166666666666666) internal successors, (79), 3 states have internal predecessors, (79), 3 states have call successors, (28), 6 states have call predecessors, (28), 2 states have return successors, (24), 2 states have call predecessors, (24), 3 states have call successors, (24) Word has length 192 [2022-12-13 13:29:07,733 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 13:29:07,775 INFO L225 Difference]: With dead ends: 21724 [2022-12-13 13:29:07,775 INFO L226 Difference]: Without dead ends: 11944 [2022-12-13 13:29:07,803 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 72 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=103, Invalid=239, Unknown=0, NotChecked=0, Total=342 [2022-12-13 13:29:07,804 INFO L413 NwaCegarLoop]: 2851 mSDtfsCounter, 7754 mSDsluCounter, 8098 mSDsCounter, 0 mSdLazyCounter, 11035 mSolverCounterSat, 8064 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 71.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7994 SdHoareTripleChecker+Valid, 10949 SdHoareTripleChecker+Invalid, 19104 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 8064 IncrementalHoareTripleChecker+Valid, 11035 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 77.1s IncrementalHoareTripleChecker+Time [2022-12-13 13:29:07,804 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7994 Valid, 10949 Invalid, 19104 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [8064 Valid, 11035 Invalid, 5 Unknown, 0 Unchecked, 77.1s Time] [2022-12-13 13:29:07,815 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11944 states. [2022-12-13 13:29:08,838 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11944 to 9623. [2022-12-13 13:29:08,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9623 states, 6329 states have (on average 1.2663927950703113) internal successors, (8015), 6529 states have internal predecessors, (8015), 2668 states have call successors, (2668), 601 states have call predecessors, (2668), 623 states have return successors, (2870), 2630 states have call predecessors, (2870), 2665 states have call successors, (2870) [2022-12-13 13:29:08,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9623 states to 9623 states and 13553 transitions. [2022-12-13 13:29:08,870 INFO L78 Accepts]: Start accepts. Automaton has 9623 states and 13553 transitions. Word has length 192 [2022-12-13 13:29:08,870 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 13:29:08,870 INFO L495 AbstractCegarLoop]: Abstraction has 9623 states and 13553 transitions. [2022-12-13 13:29:08,870 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 13.166666666666666) internal successors, (79), 3 states have internal predecessors, (79), 3 states have call successors, (28), 6 states have call predecessors, (28), 2 states have return successors, (24), 2 states have call predecessors, (24), 3 states have call successors, (24) [2022-12-13 13:29:08,871 INFO L276 IsEmpty]: Start isEmpty. Operand 9623 states and 13553 transitions. [2022-12-13 13:29:08,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2022-12-13 13:29:08,872 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 13:29:08,872 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2022-12-13 13:29:08,872 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2022-12-13 13:29:08,872 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 13:29:08,873 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 13:29:08,873 INFO L85 PathProgramCache]: Analyzing trace with hash -538360889, now seen corresponding path program 1 times [2022-12-13 13:29:08,873 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 13:29:08,873 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [885771174] [2022-12-13 13:29:08,873 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 13:29:08,873 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 13:29:09,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:29:10,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 13:29:10,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:29:10,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-12-13 13:29:10,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:29:10,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-12-13 13:29:10,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:29:10,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 13:29:10,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:29:10,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 13:29:10,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:29:10,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-12-13 13:29:10,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:29:10,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-12-13 13:29:10,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:29:10,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 13:29:10,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:29:10,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 13:29:10,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:29:10,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-12-13 13:29:10,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:29:10,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-12-13 13:29:10,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:29:10,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 13:29:10,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:29:10,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 13:29:10,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:29:10,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-12-13 13:29:10,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:29:10,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-12-13 13:29:10,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:29:10,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2022-12-13 13:29:10,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:29:10,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 13:29:10,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:29:10,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2022-12-13 13:29:10,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:29:10,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-12-13 13:29:10,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:29:10,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2022-12-13 13:29:10,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:29:10,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-12-13 13:29:10,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:29:10,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2022-12-13 13:29:10,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:29:10,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 13:29:10,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:29:10,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2022-12-13 13:29:10,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:29:10,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-12-13 13:29:10,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:29:10,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2022-12-13 13:29:10,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:29:10,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-12-13 13:29:10,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:29:10,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-12-13 13:29:10,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:29:10,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2022-12-13 13:29:10,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:29:10,700 INFO L134 CoverageAnalysis]: Checked inductivity of 236 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 234 trivial. 0 not checked. [2022-12-13 13:29:10,700 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 13:29:10,701 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [885771174] [2022-12-13 13:29:10,701 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [885771174] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 13:29:10,701 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 13:29:10,701 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-12-13 13:29:10,701 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [384512734] [2022-12-13 13:29:10,701 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 13:29:10,702 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-12-13 13:29:10,702 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 13:29:10,702 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-12-13 13:29:10,703 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-12-13 13:29:10,703 INFO L87 Difference]: Start difference. First operand 9623 states and 13553 transitions. Second operand has 7 states, 6 states have (on average 14.166666666666666) internal successors, (85), 4 states have internal predecessors, (85), 3 states have call successors, (28), 5 states have call predecessors, (28), 1 states have return successors, (23), 2 states have call predecessors, (23), 3 states have call successors, (23) [2022-12-13 13:29:12,787 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 13:29:15,050 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.26s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 13:30:13,920 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 13:30:13,920 INFO L93 Difference]: Finished difference Result 10890 states and 15639 transitions. [2022-12-13 13:30:13,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-12-13 13:30:13,921 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 14.166666666666666) internal successors, (85), 4 states have internal predecessors, (85), 3 states have call successors, (28), 5 states have call predecessors, (28), 1 states have return successors, (23), 2 states have call predecessors, (23), 3 states have call successors, (23) Word has length 195 [2022-12-13 13:30:13,922 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 13:30:13,955 INFO L225 Difference]: With dead ends: 10890 [2022-12-13 13:30:13,955 INFO L226 Difference]: Without dead ends: 10888 [2022-12-13 13:30:13,958 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=64, Invalid=118, Unknown=0, NotChecked=0, Total=182 [2022-12-13 13:30:13,959 INFO L413 NwaCegarLoop]: 2855 mSDtfsCounter, 7561 mSDsluCounter, 7785 mSDsCounter, 0 mSdLazyCounter, 9920 mSolverCounterSat, 5399 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 55.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7999 SdHoareTripleChecker+Valid, 10640 SdHoareTripleChecker+Invalid, 15321 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 5399 IncrementalHoareTripleChecker+Valid, 9920 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 60.3s IncrementalHoareTripleChecker+Time [2022-12-13 13:30:13,959 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7999 Valid, 10640 Invalid, 15321 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [5399 Valid, 9920 Invalid, 2 Unknown, 0 Unchecked, 60.3s Time] [2022-12-13 13:30:13,967 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10888 states. [2022-12-13 13:30:14,853 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10888 to 9639. [2022-12-13 13:30:14,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9639 states, 6341 states have (on average 1.2658886610944646) internal successors, (8027), 6541 states have internal predecessors, (8027), 2668 states have call successors, (2668), 605 states have call predecessors, (2668), 627 states have return successors, (2870), 2630 states have call predecessors, (2870), 2665 states have call successors, (2870) [2022-12-13 13:30:14,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9639 states to 9639 states and 13565 transitions. [2022-12-13 13:30:14,885 INFO L78 Accepts]: Start accepts. Automaton has 9639 states and 13565 transitions. Word has length 195 [2022-12-13 13:30:14,886 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 13:30:14,886 INFO L495 AbstractCegarLoop]: Abstraction has 9639 states and 13565 transitions. [2022-12-13 13:30:14,886 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 14.166666666666666) internal successors, (85), 4 states have internal predecessors, (85), 3 states have call successors, (28), 5 states have call predecessors, (28), 1 states have return successors, (23), 2 states have call predecessors, (23), 3 states have call successors, (23) [2022-12-13 13:30:14,886 INFO L276 IsEmpty]: Start isEmpty. Operand 9639 states and 13565 transitions. [2022-12-13 13:30:14,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2022-12-13 13:30:14,887 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 13:30:14,888 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:30:14,888 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2022-12-13 13:30:14,888 INFO L420 AbstractCegarLoop]: === Iteration 26 === 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 13:30:14,888 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 13:30:14,888 INFO L85 PathProgramCache]: Analyzing trace with hash -1699060153, now seen corresponding path program 1 times [2022-12-13 13:30:14,888 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 13:30:14,888 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1331711200] [2022-12-13 13:30:14,888 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 13:30:14,889 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 13:30:15,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:30:15,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 13:30:15,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:30:15,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-12-13 13:30:15,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:30:15,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-12-13 13:30:15,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:30:15,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 13:30:15,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:30:15,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 13:30:15,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:30:15,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-12-13 13:30:15,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:30:15,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-12-13 13:30:15,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:30:15,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 13:30:15,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:30:15,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 13:30:15,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:30:15,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-12-13 13:30:15,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:30:15,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-12-13 13:30:15,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:30:15,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 13:30:15,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:30:15,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 13:30:15,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:30:15,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-12-13 13:30:15,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:30:15,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-12-13 13:30:15,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:30:15,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2022-12-13 13:30:15,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:30:15,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 13:30:15,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:30:15,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2022-12-13 13:30:15,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:30:15,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-12-13 13:30:15,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:30:15,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2022-12-13 13:30:15,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:30:15,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-12-13 13:30:15,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:30:15,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2022-12-13 13:30:15,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:30:15,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 13:30:15,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:30:15,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2022-12-13 13:30:15,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:30:15,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-12-13 13:30:15,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:30:15,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2022-12-13 13:30:15,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:30:15,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-12-13 13:30:15,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:30:15,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-12-13 13:30:15,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:30:15,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2022-12-13 13:30:15,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:30:15,589 INFO L134 CoverageAnalysis]: Checked inductivity of 234 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 234 trivial. 0 not checked. [2022-12-13 13:30:15,590 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 13:30:15,590 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1331711200] [2022-12-13 13:30:15,590 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1331711200] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 13:30:15,590 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 13:30:15,590 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-13 13:30:15,590 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [330463716] [2022-12-13 13:30:15,590 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 13:30:15,591 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-13 13:30:15,591 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 13:30:15,591 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-13 13:30:15,592 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-13 13:30:15,592 INFO L87 Difference]: Start difference. First operand 9639 states and 13565 transitions. Second operand has 5 states, 4 states have (on average 21.5) internal successors, (86), 3 states have internal predecessors, (86), 3 states have call successors, (28), 4 states have call predecessors, (28), 1 states have return successors, (23), 1 states have call predecessors, (23), 2 states have call successors, (23) [2022-12-13 13:30:17,662 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 13:30:19,931 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.27s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 13:31:05,528 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 13:31:05,529 INFO L93 Difference]: Finished difference Result 20618 states and 29385 transitions. [2022-12-13 13:31:05,530 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-13 13:31:05,530 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 21.5) internal successors, (86), 3 states have internal predecessors, (86), 3 states have call successors, (28), 4 states have call predecessors, (28), 1 states have return successors, (23), 1 states have call predecessors, (23), 2 states have call successors, (23) Word has length 196 [2022-12-13 13:31:05,531 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 13:31:05,570 INFO L225 Difference]: With dead ends: 20618 [2022-12-13 13:31:05,571 INFO L226 Difference]: Without dead ends: 10998 [2022-12-13 13:31:05,598 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2022-12-13 13:31:05,599 INFO L413 NwaCegarLoop]: 2842 mSDtfsCounter, 3903 mSDsluCounter, 5241 mSDsCounter, 0 mSdLazyCounter, 7025 mSolverCounterSat, 3367 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 43.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4213 SdHoareTripleChecker+Valid, 8083 SdHoareTripleChecker+Invalid, 10394 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3367 IncrementalHoareTripleChecker+Valid, 7025 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 47.4s IncrementalHoareTripleChecker+Time [2022-12-13 13:31:05,599 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4213 Valid, 8083 Invalid, 10394 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3367 Valid, 7025 Invalid, 2 Unknown, 0 Unchecked, 47.4s Time] [2022-12-13 13:31:05,608 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10998 states. [2022-12-13 13:31:06,513 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10998 to 9641. [2022-12-13 13:31:06,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9641 states, 6343 states have (on average 1.2658048242156708) internal successors, (8029), 6543 states have internal predecessors, (8029), 2668 states have call successors, (2668), 605 states have call predecessors, (2668), 627 states have return successors, (2870), 2630 states have call predecessors, (2870), 2665 states have call successors, (2870) [2022-12-13 13:31:06,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9641 states to 9641 states and 13567 transitions. [2022-12-13 13:31:06,548 INFO L78 Accepts]: Start accepts. Automaton has 9641 states and 13567 transitions. Word has length 196 [2022-12-13 13:31:06,549 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 13:31:06,549 INFO L495 AbstractCegarLoop]: Abstraction has 9641 states and 13567 transitions. [2022-12-13 13:31:06,549 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 21.5) internal successors, (86), 3 states have internal predecessors, (86), 3 states have call successors, (28), 4 states have call predecessors, (28), 1 states have return successors, (23), 1 states have call predecessors, (23), 2 states have call successors, (23) [2022-12-13 13:31:06,549 INFO L276 IsEmpty]: Start isEmpty. Operand 9641 states and 13567 transitions. [2022-12-13 13:31:06,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2022-12-13 13:31:06,550 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 13:31:06,550 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:31:06,551 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2022-12-13 13:31:06,551 INFO L420 AbstractCegarLoop]: === Iteration 27 === 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 13:31:06,551 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 13:31:06,551 INFO L85 PathProgramCache]: Analyzing trace with hash -1109186333, now seen corresponding path program 1 times [2022-12-13 13:31:06,551 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 13:31:06,551 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1864364307] [2022-12-13 13:31:06,551 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 13:31:06,551 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 13:31:06,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:31:07,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 13:31:07,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:31:07,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-12-13 13:31:07,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:31:07,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-12-13 13:31:07,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:31:07,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 13:31:07,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:31:07,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 13:31:07,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:31:07,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-12-13 13:31:07,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:31:07,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-12-13 13:31:07,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:31:07,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 13:31:07,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:31:07,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 13:31:07,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:31:07,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-12-13 13:31:07,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:31:07,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-12-13 13:31:07,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:31:07,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 13:31:07,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:31:07,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 13:31:07,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:31:07,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-12-13 13:31:07,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:31:07,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-12-13 13:31:07,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:31:07,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2022-12-13 13:31:07,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:31:07,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 13:31:07,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:31:07,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2022-12-13 13:31:07,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:31:07,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-12-13 13:31:07,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:31:07,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2022-12-13 13:31:07,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:31:07,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-12-13 13:31:07,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:31:07,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2022-12-13 13:31:07,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:31:07,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 13:31:07,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:31:07,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2022-12-13 13:31:07,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:31:07,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-12-13 13:31:07,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:31:07,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2022-12-13 13:31:07,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:31:07,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-12-13 13:31:07,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:31:07,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-12-13 13:31:07,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:31:07,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2022-12-13 13:31:07,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:31:07,755 INFO L134 CoverageAnalysis]: Checked inductivity of 234 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 234 trivial. 0 not checked. [2022-12-13 13:31:07,755 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 13:31:07,755 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1864364307] [2022-12-13 13:31:07,755 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1864364307] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 13:31:07,755 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 13:31:07,755 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-12-13 13:31:07,755 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [253595320] [2022-12-13 13:31:07,755 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 13:31:07,756 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-12-13 13:31:07,756 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 13:31:07,756 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-12-13 13:31:07,756 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-12-13 13:31:07,756 INFO L87 Difference]: Start difference. First operand 9641 states and 13567 transitions. Second operand has 7 states, 6 states have (on average 14.5) internal successors, (87), 4 states have internal predecessors, (87), 3 states have call successors, (28), 5 states have call predecessors, (28), 2 states have return successors, (23), 2 states have call predecessors, (23), 3 states have call successors, (23) [2022-12-13 13:31:09,826 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 13:31:12,086 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.26s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 13:31:14,341 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.25s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 13:32:17,509 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.15s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 13:32:45,301 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.46s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 13:32:48,561 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 13:32:48,561 INFO L93 Difference]: Finished difference Result 11040 states and 15886 transitions. [2022-12-13 13:32:48,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-12-13 13:32:48,562 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 14.5) internal successors, (87), 4 states have internal predecessors, (87), 3 states have call successors, (28), 5 states have call predecessors, (28), 2 states have return successors, (23), 2 states have call predecessors, (23), 3 states have call successors, (23) Word has length 197 [2022-12-13 13:32:48,563 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 13:32:48,593 INFO L225 Difference]: With dead ends: 11040 [2022-12-13 13:32:48,593 INFO L226 Difference]: Without dead ends: 11038 [2022-12-13 13:32:48,596 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 63 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=72, Invalid=138, Unknown=0, NotChecked=0, Total=210 [2022-12-13 13:32:48,597 INFO L413 NwaCegarLoop]: 2760 mSDtfsCounter, 8140 mSDsluCounter, 9226 mSDsCounter, 0 mSdLazyCounter, 14629 mSolverCounterSat, 6369 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 89.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8449 SdHoareTripleChecker+Valid, 11986 SdHoareTripleChecker+Invalid, 21001 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.3s SdHoareTripleChecker+Time, 6369 IncrementalHoareTripleChecker+Valid, 14629 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 97.3s IncrementalHoareTripleChecker+Time [2022-12-13 13:32:48,597 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8449 Valid, 11986 Invalid, 21001 Unknown, 0 Unchecked, 0.3s Time], IncrementalHoareTripleChecker [6369 Valid, 14629 Invalid, 3 Unknown, 0 Unchecked, 97.3s Time] [2022-12-13 13:32:48,604 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11038 states. [2022-12-13 13:32:49,484 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11038 to 9655. [2022-12-13 13:32:49,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9655 states, 6353 states have (on average 1.2653864316071148) internal successors, (8039), 6553 states have internal predecessors, (8039), 2668 states have call successors, (2668), 607 states have call predecessors, (2668), 631 states have return successors, (2870), 2632 states have call predecessors, (2870), 2665 states have call successors, (2870) [2022-12-13 13:32:49,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9655 states to 9655 states and 13577 transitions. [2022-12-13 13:32:49,550 INFO L78 Accepts]: Start accepts. Automaton has 9655 states and 13577 transitions. Word has length 197 [2022-12-13 13:32:49,550 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 13:32:49,550 INFO L495 AbstractCegarLoop]: Abstraction has 9655 states and 13577 transitions. [2022-12-13 13:32:49,551 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 14.5) internal successors, (87), 4 states have internal predecessors, (87), 3 states have call successors, (28), 5 states have call predecessors, (28), 2 states have return successors, (23), 2 states have call predecessors, (23), 3 states have call successors, (23) [2022-12-13 13:32:49,551 INFO L276 IsEmpty]: Start isEmpty. Operand 9655 states and 13577 transitions. [2022-12-13 13:32:49,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 209 [2022-12-13 13:32:49,552 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 13:32:49,552 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 13:32:49,552 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2022-12-13 13:32:49,553 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 13:32:49,553 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 13:32:49,553 INFO L85 PathProgramCache]: Analyzing trace with hash 1709757256, now seen corresponding path program 1 times [2022-12-13 13:32:49,553 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 13:32:49,553 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2147044012] [2022-12-13 13:32:49,553 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 13:32:49,553 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 13:32:50,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:32:51,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 13:32:51,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:32:51,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-12-13 13:32:51,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:32:51,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-12-13 13:32:51,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:32:51,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 13:32:51,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:32:51,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 13:32:51,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:32:51,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-12-13 13:32:51,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:32:51,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-12-13 13:32:51,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:32:51,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 13:32:51,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:32:51,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 13:32:51,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:32:51,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-12-13 13:32:51,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:32:51,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-12-13 13:32:51,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:32:51,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 13:32:51,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:32:51,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 13:32:51,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:32:51,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-12-13 13:32:51,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:32:51,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-12-13 13:32:51,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:32:51,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2022-12-13 13:32:51,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:32:51,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 13:32:51,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:32:51,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2022-12-13 13:32:51,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:32:51,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-12-13 13:32:51,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:32:51,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2022-12-13 13:32:51,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:32:51,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2022-12-13 13:32:51,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:32:51,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2022-12-13 13:32:51,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:32:51,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2022-12-13 13:32:51,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:32:51,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2022-12-13 13:32:51,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:32:51,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2022-12-13 13:32:51,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:32:51,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-12-13 13:32:51,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:32:51,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-12-13 13:32:51,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:32:51,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-12-13 13:32:51,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:32:51,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2022-12-13 13:32:51,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:32:51,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 13:32:51,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:32:51,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-12-13 13:32:51,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:32:51,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-12-13 13:32:51,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:32:51,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-12-13 13:32:51,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:32:51,587 INFO L134 CoverageAnalysis]: Checked inductivity of 293 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 286 trivial. 0 not checked. [2022-12-13 13:32:51,588 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 13:32:51,588 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2147044012] [2022-12-13 13:32:51,588 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2147044012] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 13:32:51,588 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 13:32:51,588 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-12-13 13:32:51,588 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1651188343] [2022-12-13 13:32:51,588 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 13:32:51,588 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-13 13:32:51,589 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 13:32:51,589 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 13:32:51,589 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-12-13 13:32:51,589 INFO L87 Difference]: Start difference. First operand 9655 states and 13577 transitions. Second operand has 6 states, 5 states have (on average 16.2) internal successors, (81), 3 states have internal predecessors, (81), 4 states have call successors, (32), 5 states have call predecessors, (32), 1 states have return successors, (27), 2 states have call predecessors, (27), 4 states have call successors, (27) [2022-12-13 13:32:53,662 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 13:32:55,925 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.26s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 13:32:58,181 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.25s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []