./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-packetengines-hamachi.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_7cbea5e4-53c0-4483-8cc3-85883e5d0796/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cbea5e4-53c0-4483-8cc3-85883e5d0796/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_7cbea5e4-53c0-4483-8cc3-85883e5d0796/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cbea5e4-53c0-4483-8cc3-85883e5d0796/bin/uautomizer-uyxdKDjOR8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-packetengines-hamachi.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cbea5e4-53c0-4483-8cc3-85883e5d0796/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_7cbea5e4-53c0-4483-8cc3-85883e5d0796/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 141cc550f279b59aa80e553b6a405c5654c50ab0a30e94ad7616006c63d0c81e --- 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 22:33:56,211 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 22:33:56,212 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 22:33:56,232 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 22:33:56,233 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 22:33:56,234 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 22:33:56,236 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 22:33:56,239 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 22:33:56,241 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 22:33:56,242 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 22:33:56,244 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 22:33:56,245 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 22:33:56,246 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 22:33:56,247 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 22:33:56,249 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 22:33:56,250 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 22:33:56,252 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 22:33:56,253 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 22:33:56,255 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 22:33:56,258 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 22:33:56,260 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 22:33:56,262 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 22:33:56,263 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 22:33:56,263 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 22:33:56,265 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 22:33:56,265 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 22:33:56,265 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 22:33:56,266 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 22:33:56,266 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 22:33:56,266 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 22:33:56,267 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 22:33:56,267 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 22:33:56,268 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 22:33:56,268 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 22:33:56,269 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 22:33:56,269 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 22:33:56,269 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 22:33:56,269 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 22:33:56,269 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 22:33:56,270 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 22:33:56,270 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 22:33:56,271 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cbea5e4-53c0-4483-8cc3-85883e5d0796/bin/uautomizer-uyxdKDjOR8/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-12-13 22:33:56,284 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 22:33:56,284 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 22:33:56,288 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 22:33:56,288 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 22:33:56,289 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-13 22:33:56,289 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-13 22:33:56,290 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 22:33:56,290 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 22:33:56,290 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 22:33:56,290 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 22:33:56,290 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-13 22:33:56,290 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 22:33:56,290 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-13 22:33:56,291 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-13 22:33:56,291 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-13 22:33:56,291 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 22:33:56,291 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 22:33:56,291 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-13 22:33:56,291 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 22:33:56,291 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 22:33:56,291 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-13 22:33:56,291 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 22:33:56,292 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 22:33:56,292 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-13 22:33:56,292 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-13 22:33:56,292 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-13 22:33:56,292 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-13 22:33:56,292 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-12-13 22:33:56,292 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-13 22:33:56,292 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-12-13 22:33:56,293 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-13 22:33:56,293 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2022-12-13 22:33:56,293 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_7cbea5e4-53c0-4483-8cc3-85883e5d0796/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cbea5e4-53c0-4483-8cc3-85883e5d0796/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 141cc550f279b59aa80e553b6a405c5654c50ab0a30e94ad7616006c63d0c81e [2022-12-13 22:33:56,456 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 22:33:56,476 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 22:33:56,479 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 22:33:56,480 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 22:33:56,480 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 22:33:56,481 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cbea5e4-53c0-4483-8cc3-85883e5d0796/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-packetengines-hamachi.cil.i [2022-12-13 22:33:59,075 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 22:33:59,492 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 22:33:59,493 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cbea5e4-53c0-4483-8cc3-85883e5d0796/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-packetengines-hamachi.cil.i [2022-12-13 22:33:59,528 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cbea5e4-53c0-4483-8cc3-85883e5d0796/bin/uautomizer-uyxdKDjOR8/data/66c8c0225/f6c05f7f6cf547178b79738eb4cc738e/FLAG68bcf99e1 [2022-12-13 22:33:59,542 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cbea5e4-53c0-4483-8cc3-85883e5d0796/bin/uautomizer-uyxdKDjOR8/data/66c8c0225/f6c05f7f6cf547178b79738eb4cc738e [2022-12-13 22:33:59,544 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 22:33:59,546 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 22:33:59,547 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 22:33:59,547 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 22:33:59,551 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 22:33:59,551 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 10:33:59" (1/1) ... [2022-12-13 22:33:59,552 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1b674a02 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:33:59, skipping insertion in model container [2022-12-13 22:33:59,553 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 10:33:59" (1/1) ... [2022-12-13 22:33:59,560 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 22:33:59,666 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 22:34:00,268 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock [2022-12-13 22:34:00,277 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irq [2022-12-13 22:34:00,285 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock [2022-12-13 22:34:00,294 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock_irq [2022-12-13 22:34:00,347 WARN L623 FunctionHandler]: Unknown extern function ioremap_nocache [2022-12-13 22:34:00,412 WARN L623 FunctionHandler]: Unknown extern function __phys_addr [2022-12-13 22:34:00,416 WARN L623 FunctionHandler]: Unknown extern function __phys_addr [2022-12-13 22:34:00,416 WARN L623 FunctionHandler]: Unknown extern function debug_dma_map_page [2022-12-13 22:34:00,422 WARN L623 FunctionHandler]: Unknown extern function debug_dma_unmap_page [2022-12-13 22:34:00,427 WARN L623 FunctionHandler]: Unknown extern function debug_dma_sync_single_for_cpu [2022-12-13 22:34:00,432 WARN L623 FunctionHandler]: Unknown extern function debug_dma_sync_single_for_device [2022-12-13 22:34:00,447 WARN L623 FunctionHandler]: Unknown extern function debug_dma_alloc_coherent [2022-12-13 22:34:00,453 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-12-13 22:34:00,455 WARN L623 FunctionHandler]: Unknown extern function debug_dma_free_coherent [2022-12-13 22:34:00,473 WARN L623 FunctionHandler]: Unknown extern function __netdev_alloc_skb [2022-12-13 22:34:00,478 WARN L623 FunctionHandler]: Unknown extern function __netdev_alloc_skb [2022-12-13 22:34:00,516 WARN L623 FunctionHandler]: Unknown extern function netpoll_trap [2022-12-13 22:34:00,517 WARN L623 FunctionHandler]: Unknown extern function __netif_schedule [2022-12-13 22:34:00,524 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-12-13 22:34:00,524 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 22:34:00,538 WARN L623 FunctionHandler]: Unknown extern function __dev_kfree_skb_irq [2022-12-13 22:34:00,609 WARN L623 FunctionHandler]: Unknown extern function request_threaded_irq [2022-12-13 22:34:00,701 WARN L623 FunctionHandler]: Unknown extern function pci_enable_device [2022-12-13 22:34:00,702 WARN L623 FunctionHandler]: Unknown extern function pci_set_master [2022-12-13 22:34:00,702 WARN L623 FunctionHandler]: Unknown extern function pci_request_regions [2022-12-13 22:34:00,706 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-12-13 22:34:00,709 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 22:34:00,710 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 22:34:00,714 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 22:34:00,715 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 22:34:00,717 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 22:34:00,719 WARN L623 FunctionHandler]: Unknown extern function iounmap [2022-12-13 22:34:00,719 WARN L623 FunctionHandler]: Unknown extern function pci_release_regions [2022-12-13 22:34:00,721 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 22:34:00,728 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 22:34:00,730 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 22:34:00,731 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 22:34:00,731 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 22:34:00,732 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 22:34:00,733 WARN L623 FunctionHandler]: Unknown extern function init_timer_key [2022-12-13 22:34:00,733 WARN L623 FunctionHandler]: Unknown extern function add_timer [2022-12-13 22:34:00,735 WARN L623 FunctionHandler]: Unknown extern function consume_skb [2022-12-13 22:34:00,738 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 22:34:00,739 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 22:34:00,739 WARN L623 FunctionHandler]: Unknown extern function add_timer [2022-12-13 22:34:00,740 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 22:34:00,740 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 22:34:00,741 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 22:34:00,741 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 22:34:00,742 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 22:34:00,742 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 22:34:00,743 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 22:34:00,745 WARN L623 FunctionHandler]: Unknown extern function consume_skb [2022-12-13 22:34:00,745 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 22:34:00,746 WARN L623 FunctionHandler]: Unknown extern function consume_skb [2022-12-13 22:34:00,753 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 22:34:00,757 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 22:34:00,759 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 22:34:00,763 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 22:34:00,764 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 22:34:00,766 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 22:34:00,768 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 22:34:00,769 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 22:34:00,770 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 22:34:00,770 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 22:34:00,772 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 22:34:00,774 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 22:34:00,775 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-12-13 22:34:00,777 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-12-13 22:34:00,778 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-12-13 22:34:00,778 WARN L623 FunctionHandler]: Unknown extern function eth_type_trans [2022-12-13 22:34:00,782 WARN L623 FunctionHandler]: Unknown extern function netif_rx [2022-12-13 22:34:00,788 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 22:34:00,790 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 22:34:00,792 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 22:34:00,792 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 22:34:00,794 WARN L623 FunctionHandler]: Unknown extern function consume_skb [2022-12-13 22:34:00,796 WARN L623 FunctionHandler]: Unknown extern function consume_skb [2022-12-13 22:34:00,811 WARN L623 FunctionHandler]: Unknown extern function strlcpy [2022-12-13 22:34:00,812 WARN L623 FunctionHandler]: Unknown extern function strlcpy [2022-12-13 22:34:00,813 WARN L623 FunctionHandler]: Unknown extern function strlcpy [2022-12-13 22:34:00,818 WARN L623 FunctionHandler]: Unknown extern function mii_ethtool_gset [2022-12-13 22:34:00,824 WARN L623 FunctionHandler]: Unknown extern function mii_ethtool_sset [2022-12-13 22:34:00,829 WARN L623 FunctionHandler]: Unknown extern function mii_nway_restart [2022-12-13 22:34:00,835 WARN L623 FunctionHandler]: Unknown extern function mii_link_ok [2022-12-13 22:34:00,837 WARN L623 FunctionHandler]: Unknown extern function capable [2022-12-13 22:34:00,838 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 22:34:00,839 WARN L623 FunctionHandler]: Unknown extern function generic_mii_ioctl [2022-12-13 22:34:00,855 WARN L623 FunctionHandler]: Unknown extern function iounmap [2022-12-13 22:34:00,856 WARN L623 FunctionHandler]: Unknown extern function pci_release_regions [2022-12-13 22:34:00,862 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 22:34:01,138 WARN L623 FunctionHandler]: Unknown extern function eth_change_mtu [2022-12-13 22:34:01,139 WARN L623 FunctionHandler]: Unknown extern function eth_mac_addr [2022-12-13 22:34:01,139 WARN L623 FunctionHandler]: Unknown extern function eth_validate_addr [2022-12-13 22:34:01,142 WARN L623 FunctionHandler]: Unknown extern function ldv_initialize [2022-12-13 22:34:01,145 WARN L623 FunctionHandler]: Unknown extern function ldv_switch_to_interrupt_context [2022-12-13 22:34:01,145 WARN L623 FunctionHandler]: Unknown extern function ldv_switch_to_process_context [2022-12-13 22:34:01,152 WARN L623 FunctionHandler]: Unknown extern function ldv_pre_probe [2022-12-13 22:34:01,153 WARN L623 FunctionHandler]: Unknown extern function ldv_pre_register_netdev [2022-12-13 22:34:01,159 WARN L623 FunctionHandler]: Unknown extern function ldv_switch_to_interrupt_context [2022-12-13 22:34:01,160 WARN L623 FunctionHandler]: Unknown extern function ldv_switch_to_process_context [2022-12-13 22:34:01,161 WARN L623 FunctionHandler]: Unknown extern function alloc_etherdev_mqs [2022-12-13 22:34:01,161 WARN L623 FunctionHandler]: Unknown extern function register_netdev [2022-12-13 22:34:01,162 WARN L623 FunctionHandler]: Unknown extern function free_netdev [2022-12-13 22:34:01,163 WARN L623 FunctionHandler]: Unknown extern function free_irq [2022-12-13 22:34:01,163 WARN L623 FunctionHandler]: Unknown extern function del_timer_sync [2022-12-13 22:34:01,164 WARN L623 FunctionHandler]: Unknown extern function unregister_netdev [2022-12-13 22:34:01,164 WARN L623 FunctionHandler]: Unknown extern function free_netdev [2022-12-13 22:34:01,164 WARN L623 FunctionHandler]: Unknown extern function __pci_register_driver [2022-12-13 22:34:01,165 WARN L623 FunctionHandler]: Unknown extern function pci_unregister_driver [2022-12-13 22:34:01,202 WARN L623 FunctionHandler]: Unknown extern function ldv_check_alloc_flags [2022-12-13 22:34:01,202 WARN L623 FunctionHandler]: Unknown extern function ldv_after_alloc [2022-12-13 22:34:01,209 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-13 22:34:01,593 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_7cbea5e4-53c0-4483-8cc3-85883e5d0796/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-packetengines-hamachi.cil.i[322818,322831] [2022-12-13 22:34:01,596 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_7cbea5e4-53c0-4483-8cc3-85883e5d0796/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-packetengines-hamachi.cil.i[322987,323000] [2022-12-13 22:34:01,597 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_7cbea5e4-53c0-4483-8cc3-85883e5d0796/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-packetengines-hamachi.cil.i[323154,323167] [2022-12-13 22:34:01,597 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_7cbea5e4-53c0-4483-8cc3-85883e5d0796/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-packetengines-hamachi.cil.i[323322,323335] [2022-12-13 22:34:01,613 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 22:34:01,640 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 22:34:01,711 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock [2022-12-13 22:34:01,711 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irq [2022-12-13 22:34:01,711 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock [2022-12-13 22:34:01,712 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock_irq [2022-12-13 22:34:01,713 WARN L623 FunctionHandler]: Unknown extern function ioremap_nocache [2022-12-13 22:34:01,717 WARN L623 FunctionHandler]: Unknown extern function __phys_addr [2022-12-13 22:34:01,718 WARN L623 FunctionHandler]: Unknown extern function __phys_addr [2022-12-13 22:34:01,718 WARN L623 FunctionHandler]: Unknown extern function debug_dma_map_page [2022-12-13 22:34:01,719 WARN L623 FunctionHandler]: Unknown extern function debug_dma_unmap_page [2022-12-13 22:34:01,720 WARN L623 FunctionHandler]: Unknown extern function debug_dma_sync_single_for_cpu [2022-12-13 22:34:01,721 WARN L623 FunctionHandler]: Unknown extern function debug_dma_sync_single_for_device [2022-12-13 22:34:01,723 WARN L623 FunctionHandler]: Unknown extern function debug_dma_alloc_coherent [2022-12-13 22:34:01,724 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-12-13 22:34:01,724 WARN L623 FunctionHandler]: Unknown extern function debug_dma_free_coherent [2022-12-13 22:34:01,725 WARN L623 FunctionHandler]: Unknown extern function __netdev_alloc_skb [2022-12-13 22:34:01,726 WARN L623 FunctionHandler]: Unknown extern function __netdev_alloc_skb [2022-12-13 22:34:01,727 WARN L623 FunctionHandler]: Unknown extern function netpoll_trap [2022-12-13 22:34:01,727 WARN L623 FunctionHandler]: Unknown extern function __netif_schedule [2022-12-13 22:34:01,728 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-12-13 22:34:01,728 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 22:34:01,729 WARN L623 FunctionHandler]: Unknown extern function __dev_kfree_skb_irq [2022-12-13 22:34:01,732 WARN L623 FunctionHandler]: Unknown extern function request_threaded_irq [2022-12-13 22:34:01,735 WARN L623 FunctionHandler]: Unknown extern function pci_enable_device [2022-12-13 22:34:01,735 WARN L623 FunctionHandler]: Unknown extern function pci_set_master [2022-12-13 22:34:01,735 WARN L623 FunctionHandler]: Unknown extern function pci_request_regions [2022-12-13 22:34:01,737 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-12-13 22:34:01,739 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 22:34:01,739 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 22:34:01,742 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 22:34:01,742 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 22:34:01,743 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 22:34:01,744 WARN L623 FunctionHandler]: Unknown extern function iounmap [2022-12-13 22:34:01,744 WARN L623 FunctionHandler]: Unknown extern function pci_release_regions [2022-12-13 22:34:01,746 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 22:34:01,750 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 22:34:01,751 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 22:34:01,751 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 22:34:01,751 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 22:34:01,752 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 22:34:01,752 WARN L623 FunctionHandler]: Unknown extern function init_timer_key [2022-12-13 22:34:01,753 WARN L623 FunctionHandler]: Unknown extern function add_timer [2022-12-13 22:34:01,754 WARN L623 FunctionHandler]: Unknown extern function consume_skb [2022-12-13 22:34:01,755 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 22:34:01,756 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 22:34:01,756 WARN L623 FunctionHandler]: Unknown extern function add_timer [2022-12-13 22:34:01,757 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 22:34:01,757 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 22:34:01,757 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 22:34:01,758 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 22:34:01,758 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 22:34:01,758 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 22:34:01,759 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 22:34:01,760 WARN L623 FunctionHandler]: Unknown extern function consume_skb [2022-12-13 22:34:01,760 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 22:34:01,761 WARN L623 FunctionHandler]: Unknown extern function consume_skb [2022-12-13 22:34:01,765 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 22:34:01,766 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 22:34:01,767 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 22:34:01,769 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 22:34:01,769 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 22:34:01,771 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 22:34:01,771 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 22:34:01,772 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 22:34:01,772 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 22:34:01,772 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 22:34:01,773 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 22:34:01,774 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 22:34:01,775 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-12-13 22:34:01,775 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-12-13 22:34:01,776 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-12-13 22:34:01,776 WARN L623 FunctionHandler]: Unknown extern function eth_type_trans [2022-12-13 22:34:01,778 WARN L623 FunctionHandler]: Unknown extern function netif_rx [2022-12-13 22:34:01,782 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 22:34:01,783 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 22:34:01,784 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 22:34:01,785 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 22:34:01,786 WARN L623 FunctionHandler]: Unknown extern function consume_skb [2022-12-13 22:34:01,787 WARN L623 FunctionHandler]: Unknown extern function consume_skb [2022-12-13 22:34:01,791 WARN L623 FunctionHandler]: Unknown extern function strlcpy [2022-12-13 22:34:01,792 WARN L623 FunctionHandler]: Unknown extern function strlcpy [2022-12-13 22:34:01,793 WARN L623 FunctionHandler]: Unknown extern function strlcpy [2022-12-13 22:34:01,793 WARN L623 FunctionHandler]: Unknown extern function mii_ethtool_gset [2022-12-13 22:34:01,794 WARN L623 FunctionHandler]: Unknown extern function mii_ethtool_sset [2022-12-13 22:34:01,794 WARN L623 FunctionHandler]: Unknown extern function mii_nway_restart [2022-12-13 22:34:01,795 WARN L623 FunctionHandler]: Unknown extern function mii_link_ok [2022-12-13 22:34:01,796 WARN L623 FunctionHandler]: Unknown extern function capable [2022-12-13 22:34:01,797 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 22:34:01,797 WARN L623 FunctionHandler]: Unknown extern function generic_mii_ioctl [2022-12-13 22:34:01,798 WARN L623 FunctionHandler]: Unknown extern function iounmap [2022-12-13 22:34:01,798 WARN L623 FunctionHandler]: Unknown extern function pci_release_regions [2022-12-13 22:34:01,799 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 22:34:01,805 WARN L623 FunctionHandler]: Unknown extern function eth_change_mtu [2022-12-13 22:34:01,805 WARN L623 FunctionHandler]: Unknown extern function eth_mac_addr [2022-12-13 22:34:01,806 WARN L623 FunctionHandler]: Unknown extern function eth_validate_addr [2022-12-13 22:34:01,807 WARN L623 FunctionHandler]: Unknown extern function ldv_initialize [2022-12-13 22:34:01,810 WARN L623 FunctionHandler]: Unknown extern function ldv_switch_to_interrupt_context [2022-12-13 22:34:01,810 WARN L623 FunctionHandler]: Unknown extern function ldv_switch_to_process_context [2022-12-13 22:34:01,816 WARN L623 FunctionHandler]: Unknown extern function ldv_pre_probe [2022-12-13 22:34:01,817 WARN L623 FunctionHandler]: Unknown extern function ldv_pre_register_netdev [2022-12-13 22:34:01,827 WARN L623 FunctionHandler]: Unknown extern function ldv_switch_to_interrupt_context [2022-12-13 22:34:01,827 WARN L623 FunctionHandler]: Unknown extern function ldv_switch_to_process_context [2022-12-13 22:34:01,832 WARN L623 FunctionHandler]: Unknown extern function alloc_etherdev_mqs [2022-12-13 22:34:01,832 WARN L623 FunctionHandler]: Unknown extern function register_netdev [2022-12-13 22:34:01,833 WARN L623 FunctionHandler]: Unknown extern function free_netdev [2022-12-13 22:34:01,834 WARN L623 FunctionHandler]: Unknown extern function free_irq [2022-12-13 22:34:01,834 WARN L623 FunctionHandler]: Unknown extern function del_timer_sync [2022-12-13 22:34:01,834 WARN L623 FunctionHandler]: Unknown extern function unregister_netdev [2022-12-13 22:34:01,835 WARN L623 FunctionHandler]: Unknown extern function free_netdev [2022-12-13 22:34:01,835 WARN L623 FunctionHandler]: Unknown extern function __pci_register_driver [2022-12-13 22:34:01,835 WARN L623 FunctionHandler]: Unknown extern function pci_unregister_driver [2022-12-13 22:34:01,838 WARN L623 FunctionHandler]: Unknown extern function ldv_check_alloc_flags [2022-12-13 22:34:01,838 WARN L623 FunctionHandler]: Unknown extern function ldv_after_alloc [2022-12-13 22:34:01,839 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-13 22:34:01,856 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_7cbea5e4-53c0-4483-8cc3-85883e5d0796/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-packetengines-hamachi.cil.i[322818,322831] [2022-12-13 22:34:01,857 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cbea5e4-53c0-4483-8cc3-85883e5d0796/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-packetengines-hamachi.cil.i[322987,323000] [2022-12-13 22:34:01,857 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cbea5e4-53c0-4483-8cc3-85883e5d0796/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-packetengines-hamachi.cil.i[323154,323167] [2022-12-13 22:34:01,858 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_7cbea5e4-53c0-4483-8cc3-85883e5d0796/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-packetengines-hamachi.cil.i[323322,323335] [2022-12-13 22:34:01,865 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 22:34:02,048 INFO L208 MainTranslator]: Completed translation [2022-12-13 22:34:02,048 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:34:02 WrapperNode [2022-12-13 22:34:02,048 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 22:34:02,049 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 22:34:02,050 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 22:34:02,050 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 22:34:02,057 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:34:02" (1/1) ... [2022-12-13 22:34:02,114 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:34:02" (1/1) ... [2022-12-13 22:34:02,248 INFO L138 Inliner]: procedures = 412, calls = 1858, calls flagged for inlining = 207, calls inlined = 191, statements flattened = 4675 [2022-12-13 22:34:02,249 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 22:34:02,249 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 22:34:02,249 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 22:34:02,249 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 22:34:02,258 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:34:02" (1/1) ... [2022-12-13 22:34:02,259 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:34:02" (1/1) ... [2022-12-13 22:34:02,275 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:34:02" (1/1) ... [2022-12-13 22:34:02,276 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:34:02" (1/1) ... [2022-12-13 22:34:02,340 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:34:02" (1/1) ... [2022-12-13 22:34:02,349 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:34:02" (1/1) ... [2022-12-13 22:34:02,384 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:34:02" (1/1) ... [2022-12-13 22:34:02,393 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:34:02" (1/1) ... [2022-12-13 22:34:02,419 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 22:34:02,419 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 22:34:02,419 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 22:34:02,420 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 22:34:02,420 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:34:02" (1/1) ... [2022-12-13 22:34:02,426 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 22:34:02,435 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cbea5e4-53c0-4483-8cc3-85883e5d0796/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 22:34:02,447 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cbea5e4-53c0-4483-8cc3-85883e5d0796/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-13 22:34:02,448 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cbea5e4-53c0-4483-8cc3-85883e5d0796/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-13 22:34:02,480 INFO L130 BoogieDeclarations]: Found specification of procedure check_if_running [2022-12-13 22:34:02,480 INFO L138 BoogieDeclarations]: Found implementation of procedure check_if_running [2022-12-13 22:34:02,480 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2022-12-13 22:34:02,480 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2022-12-13 22:34:02,481 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-12-13 22:34:02,481 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-12-13 22:34:02,481 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb [2022-12-13 22:34:02,481 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb [2022-12-13 22:34:02,481 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2022-12-13 22:34:02,481 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2022-12-13 22:34:02,481 INFO L130 BoogieDeclarations]: Found specification of procedure hamachi_close [2022-12-13 22:34:02,481 INFO L138 BoogieDeclarations]: Found implementation of procedure hamachi_close [2022-12-13 22:34:02,481 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-12-13 22:34:02,481 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-12-13 22:34:02,481 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dma_sync_single_for_cpu [2022-12-13 22:34:02,482 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dma_sync_single_for_cpu [2022-12-13 22:34:02,482 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-12-13 22:34:02,482 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-12-13 22:34:02,482 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-12-13 22:34:02,482 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-12-13 22:34:02,482 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_lock_of_hamachi_private [2022-12-13 22:34:02,482 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_lock_of_hamachi_private [2022-12-13 22:34:02,482 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-12-13 22:34:02,482 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-12-13 22:34:02,482 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2022-12-13 22:34:02,482 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2022-12-13 22:34:02,483 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2022-12-13 22:34:02,483 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2022-12-13 22:34:02,483 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-12-13 22:34:02,483 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-12-13 22:34:02,483 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2022-12-13 22:34:02,483 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2022-12-13 22:34:02,483 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-13 22:34:02,483 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2022-12-13 22:34:02,483 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2022-12-13 22:34:02,483 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-12-13 22:34:02,483 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-12-13 22:34:02,483 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-12-13 22:34:02,484 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-12-13 22:34:02,484 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-12-13 22:34:02,484 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-12-13 22:34:02,484 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-12-13 22:34:02,484 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-12-13 22:34:02,484 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-13 22:34:02,484 INFO L130 BoogieDeclarations]: Found specification of procedure set_rx_mode [2022-12-13 22:34:02,484 INFO L138 BoogieDeclarations]: Found implementation of procedure set_rx_mode [2022-12-13 22:34:02,484 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2022-12-13 22:34:02,484 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2022-12-13 22:34:02,484 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2022-12-13 22:34:02,484 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2022-12-13 22:34:02,485 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2022-12-13 22:34:02,485 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2022-12-13 22:34:02,485 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2022-12-13 22:34:02,485 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2022-12-13 22:34:02,485 INFO L130 BoogieDeclarations]: Found specification of procedure __netdev_alloc_skb [2022-12-13 22:34:02,485 INFO L138 BoogieDeclarations]: Found implementation of procedure __netdev_alloc_skb [2022-12-13 22:34:02,485 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2022-12-13 22:34:02,485 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2022-12-13 22:34:02,485 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2022-12-13 22:34:02,485 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2022-12-13 22:34:02,485 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-12-13 22:34:02,485 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2022-12-13 22:34:02,486 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2022-12-13 22:34:02,486 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2022-12-13 22:34:02,486 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2022-12-13 22:34:02,486 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_2 [2022-12-13 22:34:02,486 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_2 [2022-12-13 22:34:02,486 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-13 22:34:02,486 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-12-13 22:34:02,486 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-12-13 22:34:02,486 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-12-13 22:34:02,486 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-12-13 22:34:02,486 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-12-13 22:34:02,486 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-12-13 22:34:02,487 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-12-13 22:34:02,487 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2022-12-13 22:34:02,487 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2022-12-13 22:34:02,487 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_lock_of_hamachi_private [2022-12-13 22:34:02,487 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_lock_of_hamachi_private [2022-12-13 22:34:02,487 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2022-12-13 22:34:02,487 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2022-12-13 22:34:02,487 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-12-13 22:34:02,487 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-12-13 22:34:02,487 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2022-12-13 22:34:02,487 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2022-12-13 22:34:02,487 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2022-12-13 22:34:02,487 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2022-12-13 22:34:02,488 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2022-12-13 22:34:02,488 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2022-12-13 22:34:02,488 INFO L130 BoogieDeclarations]: Found specification of procedure writeb [2022-12-13 22:34:02,488 INFO L138 BoogieDeclarations]: Found implementation of procedure writeb [2022-12-13 22:34:02,488 INFO L130 BoogieDeclarations]: Found specification of procedure writew [2022-12-13 22:34:02,488 INFO L138 BoogieDeclarations]: Found implementation of procedure writew [2022-12-13 22:34:02,488 INFO L130 BoogieDeclarations]: Found specification of procedure hamachi_nway_reset [2022-12-13 22:34:02,488 INFO L138 BoogieDeclarations]: Found implementation of procedure hamachi_nway_reset [2022-12-13 22:34:02,488 INFO L130 BoogieDeclarations]: Found specification of procedure mdio_read [2022-12-13 22:34:02,488 INFO L138 BoogieDeclarations]: Found implementation of procedure mdio_read [2022-12-13 22:34:02,488 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 22:34:02,488 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 22:34:02,489 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-12-13 22:34:02,489 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-12-13 22:34:02,489 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-12-13 22:34:02,489 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-12-13 22:34:02,489 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-12-13 22:34:02,489 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-12-13 22:34:02,489 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_hamachi_exit_15_2 [2022-12-13 22:34:02,489 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_hamachi_exit_15_2 [2022-12-13 22:34:02,489 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2022-12-13 22:34:02,489 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2022-12-13 22:34:02,489 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2022-12-13 22:34:02,489 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2022-12-13 22:34:02,490 INFO L130 BoogieDeclarations]: Found specification of procedure hamachi_open [2022-12-13 22:34:02,490 INFO L138 BoogieDeclarations]: Found implementation of procedure hamachi_open [2022-12-13 22:34:02,490 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2022-12-13 22:34:02,490 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2022-12-13 22:34:02,490 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2022-12-13 22:34:02,490 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2022-12-13 22:34:02,490 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2022-12-13 22:34:02,490 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2022-12-13 22:34:02,490 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-13 22:34:02,490 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2022-12-13 22:34:02,490 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2022-12-13 22:34:02,490 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-12-13 22:34:02,491 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2022-12-13 22:34:02,491 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2022-12-13 22:34:02,491 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-12-13 22:34:02,491 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2022-12-13 22:34:02,491 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2022-12-13 22:34:02,491 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2022-12-13 22:34:02,491 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2022-12-13 22:34:02,491 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-12-13 22:34:02,491 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-12-13 22:34:02,491 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_irq_68 [2022-12-13 22:34:02,491 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_irq_68 [2022-12-13 22:34:02,491 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-12-13 22:34:02,491 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-12-13 22:34:02,492 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2022-12-13 22:34:02,492 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2022-12-13 22:34:02,492 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2022-12-13 22:34:02,492 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2022-12-13 22:34:02,492 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-12-13 22:34:02,492 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-12-13 22:34:02,492 INFO L130 BoogieDeclarations]: Found specification of procedure hamachi_remove_one [2022-12-13 22:34:02,492 INFO L138 BoogieDeclarations]: Found implementation of procedure hamachi_remove_one [2022-12-13 22:34:02,492 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-13 22:34:02,492 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-12-13 22:34:02,492 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-12-13 22:34:02,492 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irq_69 [2022-12-13 22:34:02,493 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irq_69 [2022-12-13 22:34:02,493 INFO L130 BoogieDeclarations]: Found specification of procedure hamachi_get_stats [2022-12-13 22:34:02,493 INFO L138 BoogieDeclarations]: Found implementation of procedure hamachi_get_stats [2022-12-13 22:34:02,493 INFO L130 BoogieDeclarations]: Found specification of procedure hamachi_tx_timeout [2022-12-13 22:34:02,493 INFO L138 BoogieDeclarations]: Found implementation of procedure hamachi_tx_timeout [2022-12-13 22:34:02,493 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-12-13 22:34:02,493 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-12-13 22:34:02,493 INFO L130 BoogieDeclarations]: Found specification of procedure readw [2022-12-13 22:34:02,493 INFO L138 BoogieDeclarations]: Found implementation of procedure readw [2022-12-13 22:34:02,493 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2022-12-13 22:34:02,493 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2022-12-13 22:34:02,493 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-13 22:34:02,494 INFO L130 BoogieDeclarations]: Found specification of procedure hamachi_timer [2022-12-13 22:34:02,494 INFO L138 BoogieDeclarations]: Found implementation of procedure hamachi_timer [2022-12-13 22:34:02,494 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-12-13 22:34:02,494 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-12-13 22:34:02,494 INFO L130 BoogieDeclarations]: Found specification of procedure readb [2022-12-13 22:34:02,494 INFO L138 BoogieDeclarations]: Found implementation of procedure readb [2022-12-13 22:34:02,996 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 22:34:03,000 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 22:34:03,130 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-12-13 22:34:05,206 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2022-12-13 22:34:05,263 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 22:34:05,277 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 22:34:05,277 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-13 22:34:05,281 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 10:34:05 BoogieIcfgContainer [2022-12-13 22:34:05,281 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 22:34:05,283 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-13 22:34:05,283 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-13 22:34:05,286 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-13 22:34:05,286 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.12 10:33:59" (1/3) ... [2022-12-13 22:34:05,287 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@388ca998 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 10:34:05, skipping insertion in model container [2022-12-13 22:34:05,287 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:34:02" (2/3) ... [2022-12-13 22:34:05,287 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@388ca998 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 10:34:05, skipping insertion in model container [2022-12-13 22:34:05,287 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 10:34:05" (3/3) ... [2022-12-13 22:34:05,288 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-packetengines-hamachi.cil.i [2022-12-13 22:34:05,306 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-13 22:34:05,306 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2022-12-13 22:34:05,371 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-13 22:34:05,376 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;@504a6034, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-12-13 22:34:05,376 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2022-12-13 22:34:05,384 INFO L276 IsEmpty]: Start isEmpty. Operand has 1579 states, 1105 states have (on average 1.2941176470588236) internal successors, (1430), 1132 states have internal predecessors, (1430), 397 states have call successors, (397), 75 states have call predecessors, (397), 74 states have return successors, (390), 377 states have call predecessors, (390), 390 states have call successors, (390) [2022-12-13 22:34:05,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2022-12-13 22:34:05,402 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 22:34:05,403 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 9, 9, 9, 9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:34:05,404 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-12-13 22:34:05,408 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 22:34:05,409 INFO L85 PathProgramCache]: Analyzing trace with hash -2021020728, now seen corresponding path program 1 times [2022-12-13 22:34:05,417 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 22:34:05,418 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1447898192] [2022-12-13 22:34:05,418 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 22:34:05,418 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 22:34:05,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:34:05,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-12-13 22:34:05,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:34:05,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:34:05,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:34:05,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-12-13 22:34:05,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:34:05,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:34:05,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:34:05,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-12-13 22:34:05,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:34:05,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:34:05,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:34:05,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-12-13 22:34:05,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:34:05,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:34:05,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:34:05,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-12-13 22:34:05,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:34:05,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:34:05,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:34:05,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-12-13 22:34:05,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:34:05,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:34:05,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:34:05,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-12-13 22:34:05,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:34:05,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:34:05,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:34:05,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-12-13 22:34:05,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:34:05,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:34:05,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:34:05,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-12-13 22:34:06,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:34:06,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:34:06,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:34:06,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-12-13 22:34:06,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:34:06,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-12-13 22:34:06,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:34:06,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2022-12-13 22:34:06,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:34:06,033 INFO L134 CoverageAnalysis]: Checked inductivity of 351 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 351 trivial. 0 not checked. [2022-12-13 22:34:06,034 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 22:34:06,034 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1447898192] [2022-12-13 22:34:06,034 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1447898192] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 22:34:06,035 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 22:34:06,035 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-13 22:34:06,036 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [230326319] [2022-12-13 22:34:06,036 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 22:34:06,040 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-13 22:34:06,040 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 22:34:06,063 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-13 22:34:06,063 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-13 22:34:06,067 INFO L87 Difference]: Start difference. First operand has 1579 states, 1105 states have (on average 1.2941176470588236) internal successors, (1430), 1132 states have internal predecessors, (1430), 397 states have call successors, (397), 75 states have call predecessors, (397), 74 states have return successors, (390), 377 states have call predecessors, (390), 390 states have call successors, (390) Second operand has 4 states, 4 states have (on average 8.75) internal successors, (35), 3 states have internal predecessors, (35), 3 states have call successors, (15), 3 states have call predecessors, (15), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) [2022-12-13 22:34:09,022 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 22:34:09,022 INFO L93 Difference]: Finished difference Result 4465 states and 6399 transitions. [2022-12-13 22:34:09,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-13 22:34:09,024 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.75) internal successors, (35), 3 states have internal predecessors, (35), 3 states have call successors, (15), 3 states have call predecessors, (15), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) Word has length 129 [2022-12-13 22:34:09,025 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 22:34:09,054 INFO L225 Difference]: With dead ends: 4465 [2022-12-13 22:34:09,054 INFO L226 Difference]: Without dead ends: 2893 [2022-12-13 22:34:09,065 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-13 22:34:09,068 INFO L413 NwaCegarLoop]: 1823 mSDtfsCounter, 2455 mSDsluCounter, 2254 mSDsCounter, 0 mSdLazyCounter, 2181 mSolverCounterSat, 1012 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2765 SdHoareTripleChecker+Valid, 4077 SdHoareTripleChecker+Invalid, 3193 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1012 IncrementalHoareTripleChecker+Valid, 2181 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2022-12-13 22:34:09,069 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2765 Valid, 4077 Invalid, 3193 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1012 Valid, 2181 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2022-12-13 22:34:09,086 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2893 states. [2022-12-13 22:34:09,261 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2893 to 2833. [2022-12-13 22:34:09,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2833 states, 1980 states have (on average 1.2808080808080808) internal successors, (2536), 2038 states have internal predecessors, (2536), 703 states have call successors, (703), 142 states have call predecessors, (703), 147 states have return successors, (725), 670 states have call predecessors, (725), 699 states have call successors, (725) [2022-12-13 22:34:09,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2833 states to 2833 states and 3964 transitions. [2022-12-13 22:34:09,287 INFO L78 Accepts]: Start accepts. Automaton has 2833 states and 3964 transitions. Word has length 129 [2022-12-13 22:34:09,287 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 22:34:09,287 INFO L495 AbstractCegarLoop]: Abstraction has 2833 states and 3964 transitions. [2022-12-13 22:34:09,288 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.75) internal successors, (35), 3 states have internal predecessors, (35), 3 states have call successors, (15), 3 states have call predecessors, (15), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) [2022-12-13 22:34:09,288 INFO L276 IsEmpty]: Start isEmpty. Operand 2833 states and 3964 transitions. [2022-12-13 22:34:09,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2022-12-13 22:34:09,292 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 22:34:09,292 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 9, 9, 9, 9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:34:09,292 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-13 22:34:09,292 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 22:34:09,293 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 22:34:09,293 INFO L85 PathProgramCache]: Analyzing trace with hash 959549857, now seen corresponding path program 1 times [2022-12-13 22:34:09,293 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 22:34:09,293 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [410838583] [2022-12-13 22:34:09,293 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 22:34:09,293 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 22:34:09,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:34:09,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-12-13 22:34:09,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:34:09,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:34:09,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:34:09,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-12-13 22:34:09,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:34:09,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:34:09,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:34:09,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-12-13 22:34:09,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:34:09,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:34:09,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:34:09,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-12-13 22:34:09,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:34:09,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:34:09,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:34:09,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-12-13 22:34:09,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:34:09,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:34:09,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:34:09,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-12-13 22:34:09,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:34:09,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:34:09,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:34:09,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-12-13 22:34:09,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:34:09,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:34:09,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:34:09,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-12-13 22:34:09,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:34:09,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:34:09,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:34:09,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-12-13 22:34:09,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:34:09,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:34:09,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:34:09,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-12-13 22:34:09,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:34:09,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2022-12-13 22:34:09,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:34:09,633 INFO L134 CoverageAnalysis]: Checked inductivity of 351 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 351 trivial. 0 not checked. [2022-12-13 22:34:09,634 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 22:34:09,634 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [410838583] [2022-12-13 22:34:09,634 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [410838583] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 22:34:09,634 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 22:34:09,634 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-13 22:34:09,634 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2012505174] [2022-12-13 22:34:09,634 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 22:34:09,635 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-13 22:34:09,635 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 22:34:09,636 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-13 22:34:09,636 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-13 22:34:09,636 INFO L87 Difference]: Start difference. First operand 2833 states and 3964 transitions. Second operand has 4 states, 4 states have (on average 9.25) internal successors, (37), 3 states have internal predecessors, (37), 3 states have call successors, (14), 3 states have call predecessors, (14), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2022-12-13 22:34:12,780 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 22:34:12,781 INFO L93 Difference]: Finished difference Result 8376 states and 11746 transitions. [2022-12-13 22:34:12,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-13 22:34:12,781 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.25) internal successors, (37), 3 states have internal predecessors, (37), 3 states have call successors, (14), 3 states have call predecessors, (14), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) Word has length 129 [2022-12-13 22:34:12,782 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 22:34:12,803 INFO L225 Difference]: With dead ends: 8376 [2022-12-13 22:34:12,803 INFO L226 Difference]: Without dead ends: 5566 [2022-12-13 22:34:12,810 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-13 22:34:12,811 INFO L413 NwaCegarLoop]: 1762 mSDtfsCounter, 2708 mSDsluCounter, 2170 mSDsCounter, 0 mSdLazyCounter, 2253 mSolverCounterSat, 1016 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3060 SdHoareTripleChecker+Valid, 3932 SdHoareTripleChecker+Invalid, 3269 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1016 IncrementalHoareTripleChecker+Valid, 2253 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2022-12-13 22:34:12,811 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3060 Valid, 3932 Invalid, 3269 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1016 Valid, 2253 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2022-12-13 22:34:12,816 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5566 states. [2022-12-13 22:34:13,013 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5566 to 5496. [2022-12-13 22:34:13,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5496 states, 3858 states have (on average 1.2817522032141007) internal successors, (4945), 3966 states have internal predecessors, (4945), 1344 states have call successors, (1344), 280 states have call predecessors, (1344), 291 states have return successors, (1392), 1285 states have call predecessors, (1392), 1340 states have call successors, (1392) [2022-12-13 22:34:13,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5496 states to 5496 states and 7681 transitions. [2022-12-13 22:34:13,062 INFO L78 Accepts]: Start accepts. Automaton has 5496 states and 7681 transitions. Word has length 129 [2022-12-13 22:34:13,063 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 22:34:13,063 INFO L495 AbstractCegarLoop]: Abstraction has 5496 states and 7681 transitions. [2022-12-13 22:34:13,063 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.25) internal successors, (37), 3 states have internal predecessors, (37), 3 states have call successors, (14), 3 states have call predecessors, (14), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2022-12-13 22:34:13,063 INFO L276 IsEmpty]: Start isEmpty. Operand 5496 states and 7681 transitions. [2022-12-13 22:34:13,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2022-12-13 22:34:13,067 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 22:34:13,067 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 9, 9, 9, 9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:34:13,068 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-13 22:34:13,068 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-12-13 22:34:13,068 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 22:34:13,068 INFO L85 PathProgramCache]: Analyzing trace with hash 872002648, now seen corresponding path program 1 times [2022-12-13 22:34:13,068 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 22:34:13,069 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [226693631] [2022-12-13 22:34:13,069 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 22:34:13,069 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 22:34:13,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:34:13,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-12-13 22:34:13,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:34:13,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:34:13,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:34:13,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-12-13 22:34:13,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:34:13,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:34:13,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:34:13,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-12-13 22:34:13,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:34:13,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:34:13,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:34:13,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-12-13 22:34:13,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:34:13,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:34:13,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:34:13,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-12-13 22:34:13,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:34:13,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:34:13,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:34:13,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-12-13 22:34:13,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:34:13,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:34:13,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:34:13,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-12-13 22:34:13,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:34:13,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:34:13,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:34:13,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-12-13 22:34:13,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:34:13,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:34:13,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:34:13,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-12-13 22:34:13,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:34:13,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:34:13,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:34:13,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-12-13 22:34:13,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:34:13,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2022-12-13 22:34:13,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:34:13,335 INFO L134 CoverageAnalysis]: Checked inductivity of 351 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 351 trivial. 0 not checked. [2022-12-13 22:34:13,335 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 22:34:13,335 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [226693631] [2022-12-13 22:34:13,335 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [226693631] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 22:34:13,335 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 22:34:13,336 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-13 22:34:13,336 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1376398784] [2022-12-13 22:34:13,336 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 22:34:13,336 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-13 22:34:13,336 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 22:34:13,337 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-13 22:34:13,337 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-13 22:34:13,337 INFO L87 Difference]: Start difference. First operand 5496 states and 7681 transitions. Second operand has 4 states, 4 states have (on average 10.25) internal successors, (41), 3 states have internal predecessors, (41), 3 states have call successors, (15), 3 states have call predecessors, (15), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2022-12-13 22:34:16,373 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 22:34:16,374 INFO L93 Difference]: Finished difference Result 15608 states and 21866 transitions. [2022-12-13 22:34:16,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-13 22:34:16,374 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.25) internal successors, (41), 3 states have internal predecessors, (41), 3 states have call successors, (15), 3 states have call predecessors, (15), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) Word has length 134 [2022-12-13 22:34:16,375 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 22:34:16,410 INFO L225 Difference]: With dead ends: 15608 [2022-12-13 22:34:16,410 INFO L226 Difference]: Without dead ends: 10135 [2022-12-13 22:34:16,423 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-13 22:34:16,424 INFO L413 NwaCegarLoop]: 1742 mSDtfsCounter, 2455 mSDsluCounter, 2165 mSDsCounter, 0 mSdLazyCounter, 2250 mSolverCounterSat, 1034 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2777 SdHoareTripleChecker+Valid, 3907 SdHoareTripleChecker+Invalid, 3284 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1034 IncrementalHoareTripleChecker+Valid, 2250 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2022-12-13 22:34:16,424 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2777 Valid, 3907 Invalid, 3284 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1034 Valid, 2250 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2022-12-13 22:34:16,432 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10135 states. [2022-12-13 22:34:16,725 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10135 to 9918. [2022-12-13 22:34:16,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9918 states, 6918 states have (on average 1.2825961260479908) internal successors, (8873), 7120 states have internal predecessors, (8873), 2452 states have call successors, (2452), 532 states have call predecessors, (2452), 545 states have return successors, (2530), 2329 states have call predecessors, (2530), 2448 states have call successors, (2530) [2022-12-13 22:34:16,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9918 states to 9918 states and 13855 transitions. [2022-12-13 22:34:16,769 INFO L78 Accepts]: Start accepts. Automaton has 9918 states and 13855 transitions. Word has length 134 [2022-12-13 22:34:16,770 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 22:34:16,770 INFO L495 AbstractCegarLoop]: Abstraction has 9918 states and 13855 transitions. [2022-12-13 22:34:16,770 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.25) internal successors, (41), 3 states have internal predecessors, (41), 3 states have call successors, (15), 3 states have call predecessors, (15), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2022-12-13 22:34:16,770 INFO L276 IsEmpty]: Start isEmpty. Operand 9918 states and 13855 transitions. [2022-12-13 22:34:16,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2022-12-13 22:34:16,774 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 22:34:16,774 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 9, 9, 9, 9, 9, 9, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 22:34:16,774 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-12-13 22:34:16,774 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 22:34:16,775 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 22:34:16,775 INFO L85 PathProgramCache]: Analyzing trace with hash -1425459078, now seen corresponding path program 1 times [2022-12-13 22:34:16,775 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 22:34:16,775 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [579465662] [2022-12-13 22:34:16,775 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 22:34:16,775 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 22:34:16,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:34:16,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-12-13 22:34:16,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:34:16,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:34:16,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:34:16,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-12-13 22:34:16,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:34:16,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:34:16,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:34:16,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-12-13 22:34:16,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:34:17,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:34:17,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:34:17,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-12-13 22:34:17,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:34:17,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:34:17,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:34:17,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-12-13 22:34:17,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:34:17,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:34:17,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:34:17,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-12-13 22:34:17,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:34:17,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:34:17,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:34:17,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-12-13 22:34:17,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:34:17,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:34:17,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:34:17,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-12-13 22:34:17,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:34:17,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:34:17,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:34:17,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-12-13 22:34:17,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:34:17,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:34:17,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:34:17,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-12-13 22:34:17,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:34:17,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2022-12-13 22:34:17,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:34:17,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2022-12-13 22:34:17,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:34:17,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2022-12-13 22:34:17,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:34:17,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2022-12-13 22:34:17,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:34:17,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:34:17,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:34:17,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2022-12-13 22:34:17,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:34:17,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-12-13 22:34:17,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:34:17,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2022-12-13 22:34:17,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:34:17,105 INFO L134 CoverageAnalysis]: Checked inductivity of 486 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 474 trivial. 0 not checked. [2022-12-13 22:34:17,105 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 22:34:17,105 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [579465662] [2022-12-13 22:34:17,105 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [579465662] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 22:34:17,105 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 22:34:17,106 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-13 22:34:17,106 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1917773124] [2022-12-13 22:34:17,106 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 22:34:17,106 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-13 22:34:17,106 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 22:34:17,107 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-13 22:34:17,107 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-13 22:34:17,107 INFO L87 Difference]: Start difference. First operand 9918 states and 13855 transitions. Second operand has 4 states, 4 states have (on average 16.5) internal successors, (66), 3 states have internal predecessors, (66), 3 states have call successors, (21), 3 states have call predecessors, (21), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) [2022-12-13 22:34:19,530 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 22:34:19,530 INFO L93 Difference]: Finished difference Result 20140 states and 28194 transitions. [2022-12-13 22:34:19,530 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-13 22:34:19,531 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 16.5) internal successors, (66), 3 states have internal predecessors, (66), 3 states have call successors, (21), 3 states have call predecessors, (21), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) Word has length 187 [2022-12-13 22:34:19,531 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 22:34:19,580 INFO L225 Difference]: With dead ends: 20140 [2022-12-13 22:34:19,580 INFO L226 Difference]: Without dead ends: 15010 [2022-12-13 22:34:19,598 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-13 22:34:19,599 INFO L413 NwaCegarLoop]: 2920 mSDtfsCounter, 2212 mSDsluCounter, 3037 mSDsCounter, 0 mSdLazyCounter, 2774 mSolverCounterSat, 665 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2561 SdHoareTripleChecker+Valid, 5957 SdHoareTripleChecker+Invalid, 3439 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 665 IncrementalHoareTripleChecker+Valid, 2774 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2022-12-13 22:34:19,600 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2561 Valid, 5957 Invalid, 3439 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [665 Valid, 2774 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2022-12-13 22:34:19,614 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15010 states. [2022-12-13 22:34:20,106 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15010 to 14727. [2022-12-13 22:34:20,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14727 states, 10281 states have (on average 1.2828518626592744) internal successors, (13189), 10577 states have internal predecessors, (13189), 3628 states have call successors, (3628), 795 states have call predecessors, (3628), 815 states have return successors, (3747), 3450 states have call predecessors, (3747), 3624 states have call successors, (3747) [2022-12-13 22:34:20,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14727 states to 14727 states and 20564 transitions. [2022-12-13 22:34:20,204 INFO L78 Accepts]: Start accepts. Automaton has 14727 states and 20564 transitions. Word has length 187 [2022-12-13 22:34:20,204 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 22:34:20,205 INFO L495 AbstractCegarLoop]: Abstraction has 14727 states and 20564 transitions. [2022-12-13 22:34:20,205 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 16.5) internal successors, (66), 3 states have internal predecessors, (66), 3 states have call successors, (21), 3 states have call predecessors, (21), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) [2022-12-13 22:34:20,205 INFO L276 IsEmpty]: Start isEmpty. Operand 14727 states and 20564 transitions. [2022-12-13 22:34:20,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2022-12-13 22:34:20,211 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 22:34:20,211 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 9, 9, 9, 9, 9, 9, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 22:34:20,211 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-12-13 22:34:20,211 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 22:34:20,211 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 22:34:20,212 INFO L85 PathProgramCache]: Analyzing trace with hash 497768956, now seen corresponding path program 1 times [2022-12-13 22:34:20,212 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 22:34:20,212 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [476465699] [2022-12-13 22:34:20,212 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 22:34:20,212 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 22:34:20,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:34:20,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-12-13 22:34:20,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:34:20,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:34:20,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:34:20,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-12-13 22:34:20,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:34:20,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:34:20,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:34:20,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-12-13 22:34:20,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:34:20,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:34:20,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:34:20,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-12-13 22:34:20,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:34:20,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:34:20,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:34:20,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-12-13 22:34:20,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:34:20,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:34:20,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:34:20,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-12-13 22:34:20,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:34:20,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:34:20,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:34:20,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-12-13 22:34:20,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:34:20,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:34:20,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:34:20,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-12-13 22:34:20,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:34:20,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:34:20,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:34:20,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-12-13 22:34:20,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:34:20,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:34:20,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:34:20,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-12-13 22:34:20,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:34:20,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2022-12-13 22:34:20,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:34:20,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2022-12-13 22:34:20,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:34:20,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2022-12-13 22:34:20,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:34:20,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2022-12-13 22:34:20,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:34:20,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:34:20,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:34:20,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2022-12-13 22:34:20,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:34:20,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-12-13 22:34:20,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:34:20,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2022-12-13 22:34:20,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:34:20,769 INFO L134 CoverageAnalysis]: Checked inductivity of 486 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 486 trivial. 0 not checked. [2022-12-13 22:34:20,770 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 22:34:20,770 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [476465699] [2022-12-13 22:34:20,770 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [476465699] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 22:34:20,770 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 22:34:20,770 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-12-13 22:34:20,770 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1363629258] [2022-12-13 22:34:20,770 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 22:34:20,770 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-13 22:34:20,770 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 22:34:20,771 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 22:34:20,771 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-12-13 22:34:20,771 INFO L87 Difference]: Start difference. First operand 14727 states and 20564 transitions. Second operand has 6 states, 6 states have (on average 9.333333333333334) internal successors, (56), 4 states have internal predecessors, (56), 2 states have call successors, (20), 4 states have call predecessors, (20), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2022-12-13 22:34:23,091 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 22:34:23,091 INFO L93 Difference]: Finished difference Result 15012 states and 21019 transitions. [2022-12-13 22:34:23,092 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-13 22:34:23,092 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.333333333333334) internal successors, (56), 4 states have internal predecessors, (56), 2 states have call successors, (20), 4 states have call predecessors, (20), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 187 [2022-12-13 22:34:23,092 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 22:34:23,129 INFO L225 Difference]: With dead ends: 15012 [2022-12-13 22:34:23,129 INFO L226 Difference]: Without dead ends: 15010 [2022-12-13 22:34:23,134 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2022-12-13 22:34:23,135 INFO L413 NwaCegarLoop]: 1524 mSDtfsCounter, 2191 mSDsluCounter, 3511 mSDsCounter, 0 mSdLazyCounter, 2758 mSolverCounterSat, 788 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2421 SdHoareTripleChecker+Valid, 5035 SdHoareTripleChecker+Invalid, 3546 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 788 IncrementalHoareTripleChecker+Valid, 2758 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2022-12-13 22:34:23,135 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2421 Valid, 5035 Invalid, 3546 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [788 Valid, 2758 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2022-12-13 22:34:23,147 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15010 states. [2022-12-13 22:34:23,651 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15010 to 14731. [2022-12-13 22:34:23,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14731 states, 10284 states have (on average 1.2827693504472968) internal successors, (13192), 10580 states have internal predecessors, (13192), 3628 states have call successors, (3628), 796 states have call predecessors, (3628), 816 states have return successors, (3747), 3450 states have call predecessors, (3747), 3624 states have call successors, (3747) [2022-12-13 22:34:23,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14731 states to 14731 states and 20567 transitions. [2022-12-13 22:34:23,698 INFO L78 Accepts]: Start accepts. Automaton has 14731 states and 20567 transitions. Word has length 187 [2022-12-13 22:34:23,699 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 22:34:23,699 INFO L495 AbstractCegarLoop]: Abstraction has 14731 states and 20567 transitions. [2022-12-13 22:34:23,699 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.333333333333334) internal successors, (56), 4 states have internal predecessors, (56), 2 states have call successors, (20), 4 states have call predecessors, (20), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2022-12-13 22:34:23,700 INFO L276 IsEmpty]: Start isEmpty. Operand 14731 states and 20567 transitions. [2022-12-13 22:34:23,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2022-12-13 22:34:23,704 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 22:34:23,704 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 9, 9, 9, 9, 9, 9, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 22:34:23,705 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-12-13 22:34:23,705 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 22:34:23,705 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 22:34:23,705 INFO L85 PathProgramCache]: Analyzing trace with hash -324717635, now seen corresponding path program 1 times [2022-12-13 22:34:23,705 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 22:34:23,705 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [9819527] [2022-12-13 22:34:23,705 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 22:34:23,705 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 22:34:23,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:34:23,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-12-13 22:34:23,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:34:23,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:34:23,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:34:23,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-12-13 22:34:23,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:34:23,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:34:23,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:34:24,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-12-13 22:34:24,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:34:24,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:34:24,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:34:24,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-12-13 22:34:24,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:34:24,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:34:24,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:34:24,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-12-13 22:34:24,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:34:24,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:34:24,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:34:24,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-12-13 22:34:24,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:34:24,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:34:24,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:34:24,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-12-13 22:34:24,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:34:24,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:34:24,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:34:24,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-12-13 22:34:24,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:34:24,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:34:24,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:34:24,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-12-13 22:34:24,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:34:24,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:34:24,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:34:24,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-12-13 22:34:24,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:34:24,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2022-12-13 22:34:24,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:34:24,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2022-12-13 22:34:24,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:34:24,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2022-12-13 22:34:24,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:34:24,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2022-12-13 22:34:24,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:34:24,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:34:24,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:34:24,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2022-12-13 22:34:24,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:34:24,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-12-13 22:34:24,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:34:24,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2022-12-13 22:34:24,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:34:24,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2022-12-13 22:34:24,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:34:24,127 INFO L134 CoverageAnalysis]: Checked inductivity of 488 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 486 trivial. 0 not checked. [2022-12-13 22:34:24,128 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 22:34:24,128 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [9819527] [2022-12-13 22:34:24,128 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [9819527] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 22:34:24,128 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 22:34:24,128 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-12-13 22:34:24,128 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [39701916] [2022-12-13 22:34:24,128 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 22:34:24,128 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-13 22:34:24,128 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 22:34:24,129 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 22:34:24,129 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-12-13 22:34:24,129 INFO L87 Difference]: Start difference. First operand 14731 states and 20567 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, (21), 4 states have call predecessors, (21), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2022-12-13 22:34:26,376 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 22:34:26,376 INFO L93 Difference]: Finished difference Result 15016 states and 21022 transitions. [2022-12-13 22:34:26,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-13 22:34:26,377 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, (21), 4 states have call predecessors, (21), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 192 [2022-12-13 22:34:26,378 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 22:34:26,450 INFO L225 Difference]: With dead ends: 15016 [2022-12-13 22:34:26,450 INFO L226 Difference]: Without dead ends: 15014 [2022-12-13 22:34:26,455 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 57 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2022-12-13 22:34:26,456 INFO L413 NwaCegarLoop]: 1523 mSDtfsCounter, 2183 mSDsluCounter, 3508 mSDsCounter, 0 mSdLazyCounter, 2761 mSolverCounterSat, 787 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2414 SdHoareTripleChecker+Valid, 5031 SdHoareTripleChecker+Invalid, 3548 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 787 IncrementalHoareTripleChecker+Valid, 2761 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2022-12-13 22:34:26,456 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2414 Valid, 5031 Invalid, 3548 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [787 Valid, 2761 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2022-12-13 22:34:26,470 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15014 states. [2022-12-13 22:34:26,989 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15014 to 14735. [2022-12-13 22:34:27,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14735 states, 10287 states have (on average 1.2826868863614271) internal successors, (13195), 10583 states have internal predecessors, (13195), 3628 states have call successors, (3628), 797 states have call predecessors, (3628), 817 states have return successors, (3747), 3450 states have call predecessors, (3747), 3624 states have call successors, (3747) [2022-12-13 22:34:27,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14735 states to 14735 states and 20570 transitions. [2022-12-13 22:34:27,042 INFO L78 Accepts]: Start accepts. Automaton has 14735 states and 20570 transitions. Word has length 192 [2022-12-13 22:34:27,043 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 22:34:27,043 INFO L495 AbstractCegarLoop]: Abstraction has 14735 states and 20570 transitions. [2022-12-13 22:34:27,043 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, (21), 4 states have call predecessors, (21), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2022-12-13 22:34:27,043 INFO L276 IsEmpty]: Start isEmpty. Operand 14735 states and 20570 transitions. [2022-12-13 22:34:27,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2022-12-13 22:34:27,049 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 22:34:27,049 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 9, 9, 9, 9, 9, 9, 4, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 22:34:27,049 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-12-13 22:34:27,049 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 22:34:27,049 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 22:34:27,049 INFO L85 PathProgramCache]: Analyzing trace with hash 643785308, now seen corresponding path program 1 times [2022-12-13 22:34:27,049 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 22:34:27,049 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [81166917] [2022-12-13 22:34:27,049 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 22:34:27,050 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 22:34:27,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:34:27,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-12-13 22:34:27,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:34:27,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:34:27,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:34:27,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-12-13 22:34:27,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:34:27,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:34:27,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:34:27,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-12-13 22:34:27,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:34:27,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:34:27,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:34:27,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-12-13 22:34:27,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:34:27,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:34:27,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:34:27,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-12-13 22:34:27,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:34:27,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:34:27,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:34:27,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-12-13 22:34:27,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:34:27,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:34:27,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:34:27,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-12-13 22:34:27,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:34:27,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:34:27,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:34:27,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-12-13 22:34:27,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:34:27,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:34:27,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:34:27,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-12-13 22:34:27,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:34:27,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:34:27,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:34:27,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-12-13 22:34:27,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:34:27,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2022-12-13 22:34:27,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:34:27,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2022-12-13 22:34:27,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:34:27,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2022-12-13 22:34:27,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:34:27,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2022-12-13 22:34:27,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:34:27,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:34:27,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:34:27,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2022-12-13 22:34:27,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:34:27,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-12-13 22:34:27,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:34:27,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2022-12-13 22:34:27,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:34:27,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2022-12-13 22:34:27,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:34:27,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2022-12-13 22:34:27,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:34:27,480 INFO L134 CoverageAnalysis]: Checked inductivity of 494 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 490 trivial. 0 not checked. [2022-12-13 22:34:27,480 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 22:34:27,480 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [81166917] [2022-12-13 22:34:27,480 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [81166917] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 22:34:27,481 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 22:34:27,481 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-12-13 22:34:27,481 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1917449456] [2022-12-13 22:34:27,481 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 22:34:27,481 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-13 22:34:27,481 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 22:34:27,482 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 22:34:27,482 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-12-13 22:34:27,482 INFO L87 Difference]: Start difference. First operand 14735 states and 20570 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, (22), 4 states have call predecessors, (22), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2022-12-13 22:34:29,850 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 22:34:29,850 INFO L93 Difference]: Finished difference Result 15020 states and 21025 transitions. [2022-12-13 22:34:29,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-13 22:34:29,851 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, (22), 4 states have call predecessors, (22), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 197 [2022-12-13 22:34:29,852 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 22:34:29,888 INFO L225 Difference]: With dead ends: 15020 [2022-12-13 22:34:29,888 INFO L226 Difference]: Without dead ends: 15018 [2022-12-13 22:34:29,894 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2022-12-13 22:34:29,895 INFO L413 NwaCegarLoop]: 1521 mSDtfsCounter, 2185 mSDsluCounter, 3504 mSDsCounter, 0 mSdLazyCounter, 2758 mSolverCounterSat, 787 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2416 SdHoareTripleChecker+Valid, 5025 SdHoareTripleChecker+Invalid, 3545 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 787 IncrementalHoareTripleChecker+Valid, 2758 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2022-12-13 22:34:29,895 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2416 Valid, 5025 Invalid, 3545 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [787 Valid, 2758 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2022-12-13 22:34:29,905 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15018 states. [2022-12-13 22:34:30,522 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15018 to 14739. [2022-12-13 22:34:30,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14739 states, 10290 states have (on average 1.2826044703595725) internal successors, (13198), 10586 states have internal predecessors, (13198), 3628 states have call successors, (3628), 798 states have call predecessors, (3628), 818 states have return successors, (3747), 3450 states have call predecessors, (3747), 3624 states have call successors, (3747) [2022-12-13 22:34:30,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14739 states to 14739 states and 20573 transitions. [2022-12-13 22:34:30,566 INFO L78 Accepts]: Start accepts. Automaton has 14739 states and 20573 transitions. Word has length 197 [2022-12-13 22:34:30,567 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 22:34:30,567 INFO L495 AbstractCegarLoop]: Abstraction has 14739 states and 20573 transitions. [2022-12-13 22:34:30,567 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, (22), 4 states have call predecessors, (22), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2022-12-13 22:34:30,567 INFO L276 IsEmpty]: Start isEmpty. Operand 14739 states and 20573 transitions. [2022-12-13 22:34:30,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2022-12-13 22:34:30,572 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 22:34:30,573 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 9, 9, 9, 9, 9, 9, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 22:34:30,573 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-12-13 22:34:30,573 INFO L420 AbstractCegarLoop]: === Iteration 8 === 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 22:34:30,573 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 22:34:30,573 INFO L85 PathProgramCache]: Analyzing trace with hash 1228785783, now seen corresponding path program 1 times [2022-12-13 22:34:30,573 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 22:34:30,574 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [133779033] [2022-12-13 22:34:30,574 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 22:34:30,574 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 22:34:30,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:34:30,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-12-13 22:34:30,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:34:30,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:34:30,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:34:30,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-12-13 22:34:30,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:34:30,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:34:30,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:34:30,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-12-13 22:34:30,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:34:30,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:34:30,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:34:30,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-12-13 22:34:30,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:34:30,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:34:30,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:34:30,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-12-13 22:34:30,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:34:30,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:34:30,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:34:31,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-12-13 22:34:31,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:34:31,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:34:31,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:34:31,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-12-13 22:34:31,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:34:31,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:34:31,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:34:31,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-12-13 22:34:31,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:34:31,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:34:31,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:34:31,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-12-13 22:34:31,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:34:31,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:34:31,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:34:31,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-12-13 22:34:31,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:34:31,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2022-12-13 22:34:31,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:34:31,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-12-13 22:34:31,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:34:31,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:34:31,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:34:31,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-12-13 22:34:31,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:34:31,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-12-13 22:34:31,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:34:31,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-12-13 22:34:31,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:34:31,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2022-12-13 22:34:31,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:34:31,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2022-12-13 22:34:31,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:34:31,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2022-12-13 22:34:31,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:34:31,201 INFO L134 CoverageAnalysis]: Checked inductivity of 425 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 421 trivial. 0 not checked. [2022-12-13 22:34:31,201 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 22:34:31,201 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [133779033] [2022-12-13 22:34:31,201 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [133779033] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 22:34:31,201 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 22:34:31,201 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-12-13 22:34:31,201 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [439301742] [2022-12-13 22:34:31,201 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 22:34:31,202 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-13 22:34:31,202 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 22:34:31,203 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 22:34:31,203 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2022-12-13 22:34:31,203 INFO L87 Difference]: Start difference. First operand 14739 states and 20573 transitions. Second operand has 6 states, 6 states have (on average 13.0) internal successors, (78), 3 states have internal predecessors, (78), 3 states have call successors, (22), 5 states have call predecessors, (22), 1 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2022-12-13 22:34:35,959 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 22:34:35,959 INFO L93 Difference]: Finished difference Result 30080 states and 41876 transitions. [2022-12-13 22:34:35,960 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-13 22:34:35,960 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 13.0) internal successors, (78), 3 states have internal predecessors, (78), 3 states have call successors, (22), 5 states have call predecessors, (22), 1 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) Word has length 195 [2022-12-13 22:34:35,960 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 22:34:36,002 INFO L225 Difference]: With dead ends: 30080 [2022-12-13 22:34:36,002 INFO L226 Difference]: Without dead ends: 15364 [2022-12-13 22:34:36,034 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2022-12-13 22:34:36,034 INFO L413 NwaCegarLoop]: 1834 mSDtfsCounter, 2195 mSDsluCounter, 2253 mSDsCounter, 0 mSdLazyCounter, 2887 mSolverCounterSat, 1388 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2445 SdHoareTripleChecker+Valid, 4087 SdHoareTripleChecker+Invalid, 4275 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1388 IncrementalHoareTripleChecker+Valid, 2887 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.8s IncrementalHoareTripleChecker+Time [2022-12-13 22:34:36,035 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2445 Valid, 4087 Invalid, 4275 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1388 Valid, 2887 Invalid, 0 Unknown, 0 Unchecked, 3.8s Time] [2022-12-13 22:34:36,045 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15364 states. [2022-12-13 22:34:36,821 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15364 to 14899. [2022-12-13 22:34:36,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14899 states, 10575 states have (on average 1.2756501182033098) internal successors, (13490), 10839 states have internal predecessors, (13490), 3466 states have call successors, (3466), 846 states have call predecessors, (3466), 855 states have return successors, (3544), 3299 states have call predecessors, (3544), 3462 states have call successors, (3544) [2022-12-13 22:34:36,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14899 states to 14899 states and 20500 transitions. [2022-12-13 22:34:36,865 INFO L78 Accepts]: Start accepts. Automaton has 14899 states and 20500 transitions. Word has length 195 [2022-12-13 22:34:36,865 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 22:34:36,866 INFO L495 AbstractCegarLoop]: Abstraction has 14899 states and 20500 transitions. [2022-12-13 22:34:36,866 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 13.0) internal successors, (78), 3 states have internal predecessors, (78), 3 states have call successors, (22), 5 states have call predecessors, (22), 1 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2022-12-13 22:34:36,866 INFO L276 IsEmpty]: Start isEmpty. Operand 14899 states and 20500 transitions. [2022-12-13 22:34:36,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2022-12-13 22:34:36,870 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 22:34:36,870 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 9, 9, 9, 9, 9, 9, 5, 5, 5, 4, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 22:34:36,870 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-12-13 22:34:36,870 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 22:34:36,870 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 22:34:36,870 INFO L85 PathProgramCache]: Analyzing trace with hash -603565049, now seen corresponding path program 1 times [2022-12-13 22:34:36,870 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 22:34:36,871 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [181483732] [2022-12-13 22:34:36,871 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 22:34:36,871 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 22:34:36,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:34:37,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-12-13 22:34:37,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:34:37,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:34:37,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:34:37,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-12-13 22:34:37,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:34:37,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:34:37,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:34:37,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-12-13 22:34:37,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:34:37,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:34:37,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:34:37,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-12-13 22:34:37,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:34:37,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:34:37,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:34:37,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-12-13 22:34:37,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:34:37,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:34:37,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:34:37,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-12-13 22:34:37,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:34:37,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:34:37,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:34:37,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-12-13 22:34:37,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:34:37,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:34:37,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:34:37,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-12-13 22:34:37,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:34:37,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:34:37,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:34:37,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-12-13 22:34:37,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:34:37,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:34:37,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:34:37,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-12-13 22:34:37,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:34:37,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2022-12-13 22:34:37,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:34:37,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2022-12-13 22:34:37,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:34:37,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2022-12-13 22:34:37,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:34:37,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2022-12-13 22:34:37,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:34:37,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:34:37,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:34:37,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2022-12-13 22:34:37,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:34:37,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-12-13 22:34:37,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:34:37,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2022-12-13 22:34:37,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:34:37,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2022-12-13 22:34:37,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:34:37,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 22:34:37,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:34:37,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2022-12-13 22:34:37,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:34:37,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2022-12-13 22:34:37,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:34:37,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2022-12-13 22:34:37,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:34:37,165 INFO L134 CoverageAnalysis]: Checked inductivity of 514 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 502 trivial. 0 not checked. [2022-12-13 22:34:37,166 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 22:34:37,166 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [181483732] [2022-12-13 22:34:37,166 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [181483732] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 22:34:37,166 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 22:34:37,166 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-13 22:34:37,166 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [901635415] [2022-12-13 22:34:37,166 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 22:34:37,166 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-13 22:34:37,167 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 22:34:37,167 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-13 22:34:37,167 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-13 22:34:37,167 INFO L87 Difference]: Start difference. First operand 14899 states and 20500 transitions. Second operand has 5 states, 5 states have (on average 14.4) internal successors, (72), 3 states have internal predecessors, (72), 3 states have call successors, (26), 4 states have call predecessors, (26), 1 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) [2022-12-13 22:34:43,229 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 22:34:43,229 INFO L93 Difference]: Finished difference Result 37201 states and 51333 transitions. [2022-12-13 22:34:43,229 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-12-13 22:34:43,230 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.4) internal successors, (72), 3 states have internal predecessors, (72), 3 states have call successors, (26), 4 states have call predecessors, (26), 1 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) Word has length 212 [2022-12-13 22:34:43,230 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 22:34:43,282 INFO L225 Difference]: With dead ends: 37201 [2022-12-13 22:34:43,282 INFO L226 Difference]: Without dead ends: 22494 [2022-12-13 22:34:43,312 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 67 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-12-13 22:34:43,312 INFO L413 NwaCegarLoop]: 2309 mSDtfsCounter, 2710 mSDsluCounter, 3968 mSDsCounter, 0 mSdLazyCounter, 4420 mSolverCounterSat, 1761 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2951 SdHoareTripleChecker+Valid, 6277 SdHoareTripleChecker+Invalid, 6181 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1761 IncrementalHoareTripleChecker+Valid, 4420 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.4s IncrementalHoareTripleChecker+Time [2022-12-13 22:34:43,312 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2951 Valid, 6277 Invalid, 6181 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1761 Valid, 4420 Invalid, 0 Unknown, 0 Unchecked, 4.4s Time] [2022-12-13 22:34:43,328 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22494 states. [2022-12-13 22:34:44,573 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22494 to 21968. [2022-12-13 22:34:44,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21968 states, 15610 states have (on average 1.2759128763613068) internal successors, (19917), 15991 states have internal predecessors, (19917), 5092 states have call successors, (5092), 1247 states have call predecessors, (5092), 1263 states have return successors, (5211), 4858 states have call predecessors, (5211), 5088 states have call successors, (5211) [2022-12-13 22:34:44,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21968 states to 21968 states and 30220 transitions. [2022-12-13 22:34:44,638 INFO L78 Accepts]: Start accepts. Automaton has 21968 states and 30220 transitions. Word has length 212 [2022-12-13 22:34:44,638 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 22:34:44,638 INFO L495 AbstractCegarLoop]: Abstraction has 21968 states and 30220 transitions. [2022-12-13 22:34:44,638 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.4) internal successors, (72), 3 states have internal predecessors, (72), 3 states have call successors, (26), 4 states have call predecessors, (26), 1 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) [2022-12-13 22:34:44,638 INFO L276 IsEmpty]: Start isEmpty. Operand 21968 states and 30220 transitions. [2022-12-13 22:34:44,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 203 [2022-12-13 22:34:44,642 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 22:34:44,642 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 9, 9, 9, 9, 9, 9, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 22:34:44,643 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-12-13 22:34:44,643 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 22:34:44,643 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 22:34:44,643 INFO L85 PathProgramCache]: Analyzing trace with hash 2135004893, now seen corresponding path program 1 times [2022-12-13 22:34:44,643 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 22:34:44,643 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [843926221] [2022-12-13 22:34:44,643 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 22:34:44,644 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 22:34:44,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:34:44,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-12-13 22:34:44,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:34:44,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:34:44,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:34:44,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-12-13 22:34:44,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:34:44,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:34:44,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:34:44,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-12-13 22:34:44,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:34:44,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:34:44,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:34:44,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-12-13 22:34:44,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:34:44,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:34:44,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:34:44,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-12-13 22:34:44,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:34:44,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:34:44,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:34:44,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-12-13 22:34:44,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:34:44,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:34:44,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:34:44,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-12-13 22:34:44,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:34:44,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:34:44,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:34:44,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-12-13 22:34:44,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:34:44,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:34:44,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:34:44,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-12-13 22:34:44,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:34:44,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:34:44,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:34:44,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-12-13 22:34:44,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:34:44,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2022-12-13 22:34:44,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:34:44,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2022-12-13 22:34:44,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:34:45,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2022-12-13 22:34:45,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:34:45,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2022-12-13 22:34:45,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:34:45,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:34:45,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:34:45,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2022-12-13 22:34:45,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:34:45,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-12-13 22:34:45,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:34:45,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2022-12-13 22:34:45,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:34:45,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2022-12-13 22:34:45,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:34:45,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2022-12-13 22:34:45,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:34:45,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2022-12-13 22:34:45,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:34:45,049 INFO L134 CoverageAnalysis]: Checked inductivity of 504 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 498 trivial. 0 not checked. [2022-12-13 22:34:45,049 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 22:34:45,049 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [843926221] [2022-12-13 22:34:45,049 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [843926221] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 22:34:45,050 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 22:34:45,050 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-12-13 22:34:45,050 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [266319711] [2022-12-13 22:34:45,050 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 22:34:45,050 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-13 22:34:45,051 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 22:34:45,051 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 22:34:45,051 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-12-13 22:34:45,051 INFO L87 Difference]: Start difference. First operand 21968 states and 30220 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, (23), 4 states have call predecessors, (23), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2022-12-13 22:34:48,308 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 22:34:48,309 INFO L93 Difference]: Finished difference Result 22466 states and 30993 transitions. [2022-12-13 22:34:48,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-13 22:34:48,309 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, (23), 4 states have call predecessors, (23), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) Word has length 202 [2022-12-13 22:34:48,310 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 22:34:48,365 INFO L225 Difference]: With dead ends: 22466 [2022-12-13 22:34:48,365 INFO L226 Difference]: Without dead ends: 22464 [2022-12-13 22:34:48,371 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 61 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2022-12-13 22:34:48,372 INFO L413 NwaCegarLoop]: 1520 mSDtfsCounter, 2185 mSDsluCounter, 3501 mSDsCounter, 0 mSdLazyCounter, 2758 mSolverCounterSat, 786 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2417 SdHoareTripleChecker+Valid, 5021 SdHoareTripleChecker+Invalid, 3544 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 786 IncrementalHoareTripleChecker+Valid, 2758 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2022-12-13 22:34:48,372 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2417 Valid, 5021 Invalid, 3544 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [786 Valid, 2758 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2022-12-13 22:34:48,388 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22464 states. [2022-12-13 22:34:49,793 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22464 to 21972. [2022-12-13 22:34:49,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21972 states, 15613 states have (on average 1.2758598603727662) internal successors, (19920), 15994 states have internal predecessors, (19920), 5092 states have call successors, (5092), 1248 states have call predecessors, (5092), 1264 states have return successors, (5211), 4858 states have call predecessors, (5211), 5088 states have call successors, (5211) [2022-12-13 22:34:49,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21972 states to 21972 states and 30223 transitions. [2022-12-13 22:34:49,858 INFO L78 Accepts]: Start accepts. Automaton has 21972 states and 30223 transitions. Word has length 202 [2022-12-13 22:34:49,859 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 22:34:49,859 INFO L495 AbstractCegarLoop]: Abstraction has 21972 states and 30223 transitions. [2022-12-13 22:34:49,859 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, (23), 4 states have call predecessors, (23), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2022-12-13 22:34:49,859 INFO L276 IsEmpty]: Start isEmpty. Operand 21972 states and 30223 transitions. [2022-12-13 22:34:49,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 208 [2022-12-13 22:34:49,862 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 22:34:49,862 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 9, 9, 9, 9, 9, 9, 5, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 22:34:49,862 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-12-13 22:34:49,862 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 22:34:49,862 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 22:34:49,862 INFO L85 PathProgramCache]: Analyzing trace with hash -69328196, now seen corresponding path program 1 times [2022-12-13 22:34:49,863 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 22:34:49,863 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1996239687] [2022-12-13 22:34:49,863 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 22:34:49,863 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 22:34:49,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:34:50,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-12-13 22:34:50,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:34:50,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:34:50,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:34:50,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-12-13 22:34:50,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:34:50,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:34:50,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:34:50,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-12-13 22:34:50,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:34:50,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:34:50,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:34:50,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-12-13 22:34:50,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:34:50,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:34:50,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:34:50,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-12-13 22:34:50,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:34:50,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:34:50,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:34:50,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-12-13 22:34:50,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:34:50,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:34:50,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:34:50,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-12-13 22:34:50,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:34:50,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:34:50,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:34:50,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-12-13 22:34:50,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:34:50,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:34:50,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:34:50,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-12-13 22:34:50,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:34:50,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:34:50,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:34:50,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-12-13 22:34:50,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:34:50,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2022-12-13 22:34:50,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:34:50,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2022-12-13 22:34:50,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:34:50,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2022-12-13 22:34:50,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:34:50,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2022-12-13 22:34:50,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:34:50,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:34:50,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:34:50,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2022-12-13 22:34:50,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:34:50,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-12-13 22:34:50,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:34:50,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2022-12-13 22:34:50,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:34:50,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2022-12-13 22:34:50,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:34:50,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2022-12-13 22:34:50,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:34:50,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2022-12-13 22:34:50,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:34:50,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2022-12-13 22:34:50,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:34:50,293 INFO L134 CoverageAnalysis]: Checked inductivity of 518 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 510 trivial. 0 not checked. [2022-12-13 22:34:50,293 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 22:34:50,293 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1996239687] [2022-12-13 22:34:50,293 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1996239687] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 22:34:50,294 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 22:34:50,294 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-12-13 22:34:50,294 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [170673587] [2022-12-13 22:34:50,294 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 22:34:50,294 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-13 22:34:50,294 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 22:34:50,295 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 22:34:50,295 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-12-13 22:34:50,295 INFO L87 Difference]: Start difference. First operand 21972 states and 30223 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, (24), 4 states have call predecessors, (24), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2022-12-13 22:34:53,283 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 22:34:53,283 INFO L93 Difference]: Finished difference Result 22470 states and 30996 transitions. [2022-12-13 22:34:53,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-13 22:34:53,284 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, (24), 4 states have call predecessors, (24), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) Word has length 207 [2022-12-13 22:34:53,284 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 22:34:53,331 INFO L225 Difference]: With dead ends: 22470 [2022-12-13 22:34:53,331 INFO L226 Difference]: Without dead ends: 22468 [2022-12-13 22:34:53,340 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 63 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2022-12-13 22:34:53,341 INFO L413 NwaCegarLoop]: 1522 mSDtfsCounter, 2183 mSDsluCounter, 3505 mSDsCounter, 0 mSdLazyCounter, 2761 mSolverCounterSat, 784 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2415 SdHoareTripleChecker+Valid, 5027 SdHoareTripleChecker+Invalid, 3545 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 784 IncrementalHoareTripleChecker+Valid, 2761 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2022-12-13 22:34:53,341 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2415 Valid, 5027 Invalid, 3545 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [784 Valid, 2761 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2022-12-13 22:34:53,356 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22468 states. [2022-12-13 22:34:54,933 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22468 to 21976. [2022-12-13 22:34:54,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21976 states, 15616 states have (on average 1.2758068647540983) internal successors, (19923), 15997 states have internal predecessors, (19923), 5092 states have call successors, (5092), 1249 states have call predecessors, (5092), 1265 states have return successors, (5211), 4858 states have call predecessors, (5211), 5088 states have call successors, (5211) [2022-12-13 22:34:54,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21976 states to 21976 states and 30226 transitions. [2022-12-13 22:34:54,998 INFO L78 Accepts]: Start accepts. Automaton has 21976 states and 30226 transitions. Word has length 207 [2022-12-13 22:34:54,999 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 22:34:54,999 INFO L495 AbstractCegarLoop]: Abstraction has 21976 states and 30226 transitions. [2022-12-13 22:34:54,999 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, (24), 4 states have call predecessors, (24), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2022-12-13 22:34:54,999 INFO L276 IsEmpty]: Start isEmpty. Operand 21976 states and 30226 transitions. [2022-12-13 22:34:55,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2022-12-13 22:34:55,002 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 22:34:55,002 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 9, 9, 9, 9, 9, 9, 6, 5, 5, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 22:34:55,002 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-12-13 22:34:55,002 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 22:34:55,003 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 22:34:55,003 INFO L85 PathProgramCache]: Analyzing trace with hash -1358544387, now seen corresponding path program 1 times [2022-12-13 22:34:55,003 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 22:34:55,003 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1089999302] [2022-12-13 22:34:55,003 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 22:34:55,003 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 22:34:55,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:34:55,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-12-13 22:34:55,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:34:55,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:34:55,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:34:55,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-12-13 22:34:55,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:34:55,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:34:55,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:34:55,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-12-13 22:34:55,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:34:55,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:34:55,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:34:55,259 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-12-13 22:34:55,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:34:55,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:34:55,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:34:55,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-12-13 22:34:55,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:34:55,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:34:55,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:34:55,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-12-13 22:34:55,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:34:55,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:34:55,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:34:55,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-12-13 22:34:55,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:34:55,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:34:55,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:34:55,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-12-13 22:34:55,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:34:55,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:34:55,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:34:55,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-12-13 22:34:55,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:34:55,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:34:55,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:34:55,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-12-13 22:34:55,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:34:55,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2022-12-13 22:34:55,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:34:55,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2022-12-13 22:34:55,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:34:55,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2022-12-13 22:34:55,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:34:55,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2022-12-13 22:34:55,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:34:55,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:34:55,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:34:55,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2022-12-13 22:34:55,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:34:55,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-12-13 22:34:55,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:34:55,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2022-12-13 22:34:55,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:34:55,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2022-12-13 22:34:55,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:34:55,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2022-12-13 22:34:55,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:34:55,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2022-12-13 22:34:55,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:34:55,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2022-12-13 22:34:55,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:34:55,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2022-12-13 22:34:55,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:34:55,400 INFO L134 CoverageAnalysis]: Checked inductivity of 536 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 526 trivial. 0 not checked. [2022-12-13 22:34:55,400 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 22:34:55,400 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1089999302] [2022-12-13 22:34:55,400 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1089999302] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 22:34:55,400 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 22:34:55,400 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-12-13 22:34:55,400 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [431293408] [2022-12-13 22:34:55,400 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 22:34:55,401 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-13 22:34:55,401 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 22:34:55,401 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 22:34:55,401 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-12-13 22:34:55,401 INFO L87 Difference]: Start difference. First operand 21976 states and 30226 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, (25), 4 states have call predecessors, (25), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2022-12-13 22:34:58,945 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 22:34:58,945 INFO L93 Difference]: Finished difference Result 22474 states and 30999 transitions. [2022-12-13 22:34:58,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-13 22:34:58,946 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, (25), 4 states have call predecessors, (25), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 212 [2022-12-13 22:34:58,946 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 22:34:58,988 INFO L225 Difference]: With dead ends: 22474 [2022-12-13 22:34:58,988 INFO L226 Difference]: Without dead ends: 22472 [2022-12-13 22:34:58,996 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2022-12-13 22:34:58,996 INFO L413 NwaCegarLoop]: 1522 mSDtfsCounter, 2183 mSDsluCounter, 3505 mSDsCounter, 0 mSdLazyCounter, 2761 mSolverCounterSat, 783 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2415 SdHoareTripleChecker+Valid, 5027 SdHoareTripleChecker+Invalid, 3544 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 783 IncrementalHoareTripleChecker+Valid, 2761 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2022-12-13 22:34:58,997 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2415 Valid, 5027 Invalid, 3544 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [783 Valid, 2761 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2022-12-13 22:34:59,010 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22472 states. [2022-12-13 22:35:00,414 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22472 to 21980. [2022-12-13 22:35:00,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21980 states, 15619 states have (on average 1.2757538894935656) internal successors, (19926), 16000 states have internal predecessors, (19926), 5092 states have call successors, (5092), 1250 states have call predecessors, (5092), 1266 states have return successors, (5211), 4858 states have call predecessors, (5211), 5088 states have call successors, (5211) [2022-12-13 22:35:00,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21980 states to 21980 states and 30229 transitions. [2022-12-13 22:35:00,482 INFO L78 Accepts]: Start accepts. Automaton has 21980 states and 30229 transitions. Word has length 212 [2022-12-13 22:35:00,482 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 22:35:00,482 INFO L495 AbstractCegarLoop]: Abstraction has 21980 states and 30229 transitions. [2022-12-13 22:35:00,483 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, (25), 4 states have call predecessors, (25), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2022-12-13 22:35:00,483 INFO L276 IsEmpty]: Start isEmpty. Operand 21980 states and 30229 transitions. [2022-12-13 22:35:00,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2022-12-13 22:35:00,486 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 22:35:00,486 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 9, 9, 9, 9, 9, 9, 7, 6, 6, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 22:35:00,487 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-12-13 22:35:00,487 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 22:35:00,487 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 22:35:00,487 INFO L85 PathProgramCache]: Analyzing trace with hash 169974556, now seen corresponding path program 1 times [2022-12-13 22:35:00,487 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 22:35:00,487 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [123912558] [2022-12-13 22:35:00,487 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 22:35:00,487 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 22:35:00,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:35:00,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-12-13 22:35:00,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:35:00,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:35:00,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:35:00,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-12-13 22:35:00,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:35:00,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:35:00,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:35:00,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-12-13 22:35:00,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:35:00,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:35:00,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:35:00,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-12-13 22:35:00,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:35:00,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:35:00,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:35:00,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-12-13 22:35:00,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:35:00,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:35:00,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:35:00,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-12-13 22:35:00,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:35:00,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:35:00,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:35:00,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-12-13 22:35:00,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:35:00,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:35:00,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:35:00,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-12-13 22:35:00,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:35:00,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:35:00,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:35:00,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-12-13 22:35:00,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:35:00,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:35:00,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:35:00,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-12-13 22:35:00,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:35:00,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2022-12-13 22:35:00,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:35:00,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2022-12-13 22:35:00,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:35:00,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2022-12-13 22:35:00,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:35:00,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2022-12-13 22:35:00,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:35:00,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:35:00,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:35:00,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2022-12-13 22:35:00,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:35:00,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-12-13 22:35:00,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:35:00,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2022-12-13 22:35:00,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:35:00,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2022-12-13 22:35:00,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:35:00,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2022-12-13 22:35:00,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:35:00,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2022-12-13 22:35:00,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:35:00,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2022-12-13 22:35:00,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:35:00,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2022-12-13 22:35:00,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:35:00,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2022-12-13 22:35:00,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:35:00,828 INFO L134 CoverageAnalysis]: Checked inductivity of 558 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 546 trivial. 0 not checked. [2022-12-13 22:35:00,828 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 22:35:00,828 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [123912558] [2022-12-13 22:35:00,828 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [123912558] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 22:35:00,828 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 22:35:00,828 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-12-13 22:35:00,829 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [87820078] [2022-12-13 22:35:00,829 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 22:35:00,829 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-13 22:35:00,829 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 22:35:00,830 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 22:35:00,830 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-12-13 22:35:00,830 INFO L87 Difference]: Start difference. First operand 21980 states and 30229 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, (26), 4 states have call predecessors, (26), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2022-12-13 22:35:04,282 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 22:35:04,282 INFO L93 Difference]: Finished difference Result 23840 states and 32460 transitions. [2022-12-13 22:35:04,283 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-12-13 22:35:04,283 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, (26), 4 states have call predecessors, (26), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) Word has length 217 [2022-12-13 22:35:04,283 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 22:35:04,334 INFO L225 Difference]: With dead ends: 23840 [2022-12-13 22:35:04,334 INFO L226 Difference]: Without dead ends: 23838 [2022-12-13 22:35:04,343 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 67 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2022-12-13 22:35:04,344 INFO L413 NwaCegarLoop]: 1523 mSDtfsCounter, 2017 mSDsluCounter, 3775 mSDsCounter, 0 mSdLazyCounter, 3119 mSolverCounterSat, 762 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2234 SdHoareTripleChecker+Valid, 5298 SdHoareTripleChecker+Invalid, 3881 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 762 IncrementalHoareTripleChecker+Valid, 3119 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2022-12-13 22:35:04,344 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2234 Valid, 5298 Invalid, 3881 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [762 Valid, 3119 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2022-12-13 22:35:04,360 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23838 states. [2022-12-13 22:35:05,950 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23838 to 23247. [2022-12-13 22:35:05,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23247 states, 16465 states have (on average 1.265411478894625) internal successors, (20835), 16855 states have internal predecessors, (20835), 5305 states have call successors, (5305), 1458 states have call predecessors, (5305), 1474 states have return successors, (5424), 5071 states have call predecessors, (5424), 5301 states have call successors, (5424) [2022-12-13 22:35:06,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23247 states to 23247 states and 31564 transitions. [2022-12-13 22:35:06,014 INFO L78 Accepts]: Start accepts. Automaton has 23247 states and 31564 transitions. Word has length 217 [2022-12-13 22:35:06,014 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 22:35:06,014 INFO L495 AbstractCegarLoop]: Abstraction has 23247 states and 31564 transitions. [2022-12-13 22:35:06,014 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, (26), 4 states have call predecessors, (26), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2022-12-13 22:35:06,014 INFO L276 IsEmpty]: Start isEmpty. Operand 23247 states and 31564 transitions. [2022-12-13 22:35:06,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 223 [2022-12-13 22:35:06,018 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 22:35:06,018 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 9, 9, 9, 9, 9, 9, 8, 7, 7, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 22:35:06,018 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-12-13 22:35:06,018 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 22:35:06,019 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 22:35:06,019 INFO L85 PathProgramCache]: Analyzing trace with hash 2084123933, now seen corresponding path program 1 times [2022-12-13 22:35:06,019 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 22:35:06,019 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1640623449] [2022-12-13 22:35:06,019 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 22:35:06,019 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 22:35:06,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:35:06,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-12-13 22:35:06,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:35:06,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:35:06,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:35:06,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-12-13 22:35:06,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:35:06,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:35:06,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:35:06,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-12-13 22:35:06,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:35:06,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:35:06,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:35:06,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-12-13 22:35:06,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:35:06,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:35:06,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:35:06,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-12-13 22:35:06,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:35:06,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:35:06,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:35:06,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-12-13 22:35:06,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:35:06,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:35:06,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:35:06,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-12-13 22:35:06,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:35:06,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:35:06,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:35:06,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-12-13 22:35:06,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:35:06,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:35:06,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:35:06,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-12-13 22:35:06,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:35:06,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:35:06,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:35:06,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-12-13 22:35:06,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:35:06,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2022-12-13 22:35:06,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:35:06,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2022-12-13 22:35:06,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:35:06,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2022-12-13 22:35:06,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:35:06,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2022-12-13 22:35:06,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:35:06,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:35:06,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:35:06,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2022-12-13 22:35:06,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:35:06,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-12-13 22:35:06,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:35:06,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2022-12-13 22:35:06,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:35:06,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2022-12-13 22:35:06,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:35:06,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2022-12-13 22:35:06,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:35:06,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2022-12-13 22:35:06,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:35:06,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2022-12-13 22:35:06,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:35:06,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2022-12-13 22:35:06,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:35:06,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2022-12-13 22:35:06,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:35:06,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2022-12-13 22:35:06,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:35:06,373 INFO L134 CoverageAnalysis]: Checked inductivity of 584 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 570 trivial. 0 not checked. [2022-12-13 22:35:06,373 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 22:35:06,373 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1640623449] [2022-12-13 22:35:06,373 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1640623449] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 22:35:06,373 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 22:35:06,373 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-12-13 22:35:06,373 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1925955699] [2022-12-13 22:35:06,373 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 22:35:06,374 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-13 22:35:06,374 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 22:35:06,374 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 22:35:06,374 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-12-13 22:35:06,374 INFO L87 Difference]: Start difference. First operand 23247 states and 31564 transitions. Second operand has 6 states, 6 states have (on average 9.833333333333334) internal successors, (59), 4 states have internal predecessors, (59), 2 states have call successors, (27), 4 states have call predecessors, (27), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2022-12-13 22:35:10,695 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 22:35:10,696 INFO L93 Difference]: Finished difference Result 23844 states and 32463 transitions. [2022-12-13 22:35:10,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-13 22:35:10,696 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.833333333333334) internal successors, (59), 4 states have internal predecessors, (59), 2 states have call successors, (27), 4 states have call predecessors, (27), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) Word has length 222 [2022-12-13 22:35:10,697 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 22:35:10,740 INFO L225 Difference]: With dead ends: 23844 [2022-12-13 22:35:10,740 INFO L226 Difference]: Without dead ends: 23842 [2022-12-13 22:35:10,747 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 69 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2022-12-13 22:35:10,747 INFO L413 NwaCegarLoop]: 1522 mSDtfsCounter, 2183 mSDsluCounter, 3505 mSDsCounter, 0 mSdLazyCounter, 2761 mSolverCounterSat, 781 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2415 SdHoareTripleChecker+Valid, 5027 SdHoareTripleChecker+Invalid, 3542 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 781 IncrementalHoareTripleChecker+Valid, 2761 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2022-12-13 22:35:10,747 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2415 Valid, 5027 Invalid, 3542 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [781 Valid, 2761 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2022-12-13 22:35:10,763 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23842 states. [2022-12-13 22:35:12,394 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23842 to 23251. [2022-12-13 22:35:12,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23251 states, 16468 states have (on average 1.26536312849162) internal successors, (20838), 16858 states have internal predecessors, (20838), 5305 states have call successors, (5305), 1459 states have call predecessors, (5305), 1475 states have return successors, (5424), 5071 states have call predecessors, (5424), 5301 states have call successors, (5424) [2022-12-13 22:35:12,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23251 states to 23251 states and 31567 transitions. [2022-12-13 22:35:12,461 INFO L78 Accepts]: Start accepts. Automaton has 23251 states and 31567 transitions. Word has length 222 [2022-12-13 22:35:12,462 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 22:35:12,462 INFO L495 AbstractCegarLoop]: Abstraction has 23251 states and 31567 transitions. [2022-12-13 22:35:12,462 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.833333333333334) internal successors, (59), 4 states have internal predecessors, (59), 2 states have call successors, (27), 4 states have call predecessors, (27), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2022-12-13 22:35:12,462 INFO L276 IsEmpty]: Start isEmpty. Operand 23251 states and 31567 transitions. [2022-12-13 22:35:12,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 228 [2022-12-13 22:35:12,466 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 22:35:12,467 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 9, 9, 9, 9, 9, 9, 9, 8, 8, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 22:35:12,467 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-12-13 22:35:12,467 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 22:35:12,467 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 22:35:12,467 INFO L85 PathProgramCache]: Analyzing trace with hash -1935422596, now seen corresponding path program 1 times [2022-12-13 22:35:12,467 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 22:35:12,467 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [754802350] [2022-12-13 22:35:12,467 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 22:35:12,467 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 22:35:12,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:35:12,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-12-13 22:35:12,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:35:12,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:35:12,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:35:12,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-12-13 22:35:12,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:35:12,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:35:12,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:35:12,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-12-13 22:35:12,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:35:12,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:35:12,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:35:12,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-12-13 22:35:12,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:35:12,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:35:12,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:35:12,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-12-13 22:35:12,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:35:12,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:35:12,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:35:12,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-12-13 22:35:12,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:35:12,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:35:12,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:35:12,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-12-13 22:35:12,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:35:12,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:35:12,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:35:12,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-12-13 22:35:12,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:35:12,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:35:12,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:35:12,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-12-13 22:35:12,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:35:12,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:35:12,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:35:12,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-12-13 22:35:12,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:35:12,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2022-12-13 22:35:12,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:35:12,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2022-12-13 22:35:12,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:35:12,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2022-12-13 22:35:12,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:35:12,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2022-12-13 22:35:12,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:35:12,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:35:12,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:35:12,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2022-12-13 22:35:12,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:35:12,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-12-13 22:35:12,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:35:12,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2022-12-13 22:35:12,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:35:12,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2022-12-13 22:35:12,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:35:12,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2022-12-13 22:35:12,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:35:12,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2022-12-13 22:35:12,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:35:12,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2022-12-13 22:35:12,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:35:12,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2022-12-13 22:35:12,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:35:12,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2022-12-13 22:35:12,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:35:12,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2022-12-13 22:35:12,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:35:12,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2022-12-13 22:35:12,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:35:12,805 INFO L134 CoverageAnalysis]: Checked inductivity of 614 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 598 trivial. 0 not checked. [2022-12-13 22:35:12,805 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 22:35:12,805 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [754802350] [2022-12-13 22:35:12,805 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [754802350] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 22:35:12,805 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 22:35:12,805 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-12-13 22:35:12,806 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1004305448] [2022-12-13 22:35:12,806 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 22:35:12,806 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-13 22:35:12,806 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 22:35:12,806 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 22:35:12,806 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-12-13 22:35:12,807 INFO L87 Difference]: Start difference. First operand 23251 states and 31567 transitions. Second operand has 6 states, 6 states have (on average 9.833333333333334) internal successors, (59), 4 states have internal predecessors, (59), 2 states have call successors, (28), 4 states have call predecessors, (28), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2022-12-13 22:35:16,386 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 22:35:16,386 INFO L93 Difference]: Finished difference Result 23848 states and 32466 transitions. [2022-12-13 22:35:16,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-13 22:35:16,387 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.833333333333334) internal successors, (59), 4 states have internal predecessors, (59), 2 states have call successors, (28), 4 states have call predecessors, (28), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) Word has length 227 [2022-12-13 22:35:16,387 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 22:35:16,432 INFO L225 Difference]: With dead ends: 23848 [2022-12-13 22:35:16,432 INFO L226 Difference]: Without dead ends: 23846 [2022-12-13 22:35:16,440 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 71 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2022-12-13 22:35:16,440 INFO L413 NwaCegarLoop]: 1519 mSDtfsCounter, 2185 mSDsluCounter, 3498 mSDsCounter, 0 mSdLazyCounter, 2758 mSolverCounterSat, 781 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2418 SdHoareTripleChecker+Valid, 5017 SdHoareTripleChecker+Invalid, 3539 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 781 IncrementalHoareTripleChecker+Valid, 2758 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2022-12-13 22:35:16,440 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2418 Valid, 5017 Invalid, 3539 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [781 Valid, 2758 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2022-12-13 22:35:16,456 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23846 states. [2022-12-13 22:35:18,173 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23846 to 23255. [2022-12-13 22:35:18,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23255 states, 16471 states have (on average 1.265314795701536) internal successors, (20841), 16861 states have internal predecessors, (20841), 5305 states have call successors, (5305), 1460 states have call predecessors, (5305), 1476 states have return successors, (5424), 5071 states have call predecessors, (5424), 5301 states have call successors, (5424) [2022-12-13 22:35:18,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23255 states to 23255 states and 31570 transitions. [2022-12-13 22:35:18,244 INFO L78 Accepts]: Start accepts. Automaton has 23255 states and 31570 transitions. Word has length 227 [2022-12-13 22:35:18,245 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 22:35:18,245 INFO L495 AbstractCegarLoop]: Abstraction has 23255 states and 31570 transitions. [2022-12-13 22:35:18,245 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.833333333333334) internal successors, (59), 4 states have internal predecessors, (59), 2 states have call successors, (28), 4 states have call predecessors, (28), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2022-12-13 22:35:18,245 INFO L276 IsEmpty]: Start isEmpty. Operand 23255 states and 31570 transitions. [2022-12-13 22:35:18,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 233 [2022-12-13 22:35:18,250 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 22:35:18,250 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 10, 9, 9, 9, 9, 9, 9, 9, 9, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 22:35:18,250 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-12-13 22:35:18,250 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 22:35:18,250 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 22:35:18,251 INFO L85 PathProgramCache]: Analyzing trace with hash -945786819, now seen corresponding path program 1 times [2022-12-13 22:35:18,251 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 22:35:18,251 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1629203481] [2022-12-13 22:35:18,251 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 22:35:18,251 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 22:35:18,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:35:18,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-12-13 22:35:18,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:35:18,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:35:18,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:35:18,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-12-13 22:35:18,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:35:18,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:35:18,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:35:18,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-12-13 22:35:18,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:35:18,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:35:18,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:35:18,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-12-13 22:35:18,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:35:18,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:35:18,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:35:18,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-12-13 22:35:18,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:35:18,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:35:18,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:35:18,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-12-13 22:35:18,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:35:18,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:35:18,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:35:18,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-12-13 22:35:18,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:35:18,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:35:18,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:35:18,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-12-13 22:35:18,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:35:18,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:35:18,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:35:18,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-12-13 22:35:18,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:35:18,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:35:18,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:35:18,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-12-13 22:35:18,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:35:18,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2022-12-13 22:35:18,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:35:18,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2022-12-13 22:35:18,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:35:18,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2022-12-13 22:35:18,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:35:18,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2022-12-13 22:35:18,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:35:18,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:35:18,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:35:18,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2022-12-13 22:35:18,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:35:18,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-12-13 22:35:18,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:35:18,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2022-12-13 22:35:18,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:35:18,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2022-12-13 22:35:18,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:35:18,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2022-12-13 22:35:18,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:35:18,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2022-12-13 22:35:18,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:35:18,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2022-12-13 22:35:18,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:35:18,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2022-12-13 22:35:18,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:35:18,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2022-12-13 22:35:18,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:35:18,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2022-12-13 22:35:18,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:35:18,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2022-12-13 22:35:18,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:35:18,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-12-13 22:35:18,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:35:18,578 INFO L134 CoverageAnalysis]: Checked inductivity of 648 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 630 trivial. 0 not checked. [2022-12-13 22:35:18,578 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 22:35:18,578 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1629203481] [2022-12-13 22:35:18,578 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1629203481] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 22:35:18,578 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 22:35:18,578 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-12-13 22:35:18,578 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [929559949] [2022-12-13 22:35:18,578 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 22:35:18,579 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-13 22:35:18,579 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 22:35:18,579 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 22:35:18,579 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-12-13 22:35:18,579 INFO L87 Difference]: Start difference. First operand 23255 states and 31570 transitions. Second operand has 6 states, 6 states have (on average 9.833333333333334) internal successors, (59), 4 states have internal predecessors, (59), 2 states have call successors, (29), 4 states have call predecessors, (29), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2022-12-13 22:35:22,437 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 22:35:22,437 INFO L93 Difference]: Finished difference Result 23852 states and 32469 transitions. [2022-12-13 22:35:22,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-13 22:35:22,439 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, (29), 4 states have call predecessors, (29), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) Word has length 232 [2022-12-13 22:35:22,439 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 22:35:22,488 INFO L225 Difference]: With dead ends: 23852 [2022-12-13 22:35:22,488 INFO L226 Difference]: Without dead ends: 23850 [2022-12-13 22:35:22,496 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 73 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2022-12-13 22:35:22,497 INFO L413 NwaCegarLoop]: 1523 mSDtfsCounter, 2183 mSDsluCounter, 3508 mSDsCounter, 0 mSdLazyCounter, 2761 mSolverCounterSat, 779 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2414 SdHoareTripleChecker+Valid, 5031 SdHoareTripleChecker+Invalid, 3540 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 779 IncrementalHoareTripleChecker+Valid, 2761 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2022-12-13 22:35:22,497 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2414 Valid, 5031 Invalid, 3540 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [779 Valid, 2761 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2022-12-13 22:35:22,513 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23850 states. [2022-12-13 22:35:24,341 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23850 to 23259. [2022-12-13 22:35:24,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23259 states, 16474 states have (on average 1.2652664805147504) internal successors, (20844), 16864 states have internal predecessors, (20844), 5305 states have call successors, (5305), 1461 states have call predecessors, (5305), 1477 states have return successors, (5424), 5071 states have call predecessors, (5424), 5301 states have call successors, (5424) [2022-12-13 22:35:24,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23259 states to 23259 states and 31573 transitions. [2022-12-13 22:35:24,401 INFO L78 Accepts]: Start accepts. Automaton has 23259 states and 31573 transitions. Word has length 232 [2022-12-13 22:35:24,401 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 22:35:24,401 INFO L495 AbstractCegarLoop]: Abstraction has 23259 states and 31573 transitions. [2022-12-13 22:35:24,402 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, (29), 4 states have call predecessors, (29), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2022-12-13 22:35:24,402 INFO L276 IsEmpty]: Start isEmpty. Operand 23259 states and 31573 transitions. [2022-12-13 22:35:24,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 274 [2022-12-13 22:35:24,407 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 22:35:24,407 INFO L195 NwaCegarLoop]: trace histogram [15, 15, 11, 10, 10, 9, 9, 9, 9, 9, 9, 6, 6, 6, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 22:35:24,407 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-12-13 22:35:24,407 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-12-13 22:35:24,407 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 22:35:24,407 INFO L85 PathProgramCache]: Analyzing trace with hash 1984151073, now seen corresponding path program 1 times [2022-12-13 22:35:24,407 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 22:35:24,407 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [326263842] [2022-12-13 22:35:24,408 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 22:35:24,408 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 22:35:24,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:35:24,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-12-13 22:35:24,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:35:24,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:35:24,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:35:24,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-12-13 22:35:24,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:35:24,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:35:24,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:35:24,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-12-13 22:35:24,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:35:24,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:35:24,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:35:24,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-12-13 22:35:24,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:35:24,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:35:24,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:35:24,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-12-13 22:35:24,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:35:24,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:35:24,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:35:24,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-12-13 22:35:24,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:35:24,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:35:24,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:35:24,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-12-13 22:35:24,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:35:24,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:35:24,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:35:24,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-12-13 22:35:24,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:35:24,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:35:24,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:35:24,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-12-13 22:35:24,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:35:24,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:35:24,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:35:24,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-12-13 22:35:24,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:35:24,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2022-12-13 22:35:24,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:35:24,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2022-12-13 22:35:24,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:35:24,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2022-12-13 22:35:24,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:35:24,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2022-12-13 22:35:24,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:35:24,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:35:24,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:35:24,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2022-12-13 22:35:24,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:35:24,715 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-12-13 22:35:24,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:35:24,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2022-12-13 22:35:24,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:35:24,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2022-12-13 22:35:24,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:35:24,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2022-12-13 22:35:24,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:35:24,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2022-12-13 22:35:24,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:35:24,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2022-12-13 22:35:24,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:35:24,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 22:35:24,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:35:24,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2022-12-13 22:35:24,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:35:24,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2022-12-13 22:35:24,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:35:24,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2022-12-13 22:35:24,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:35:24,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2022-12-13 22:35:24,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:35:24,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2022-12-13 22:35:24,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:35:24,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2022-12-13 22:35:24,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:35:24,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2022-12-13 22:35:24,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:35:24,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2022-12-13 22:35:24,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:35:24,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2022-12-13 22:35:24,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:35:24,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 264 [2022-12-13 22:35:24,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:35:24,784 INFO L134 CoverageAnalysis]: Checked inductivity of 815 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 795 trivial. 0 not checked. [2022-12-13 22:35:24,784 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 22:35:24,784 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [326263842] [2022-12-13 22:35:24,784 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [326263842] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 22:35:24,784 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 22:35:24,784 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-12-13 22:35:24,784 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1567464063] [2022-12-13 22:35:24,784 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 22:35:24,784 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-12-13 22:35:24,784 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 22:35:24,785 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-12-13 22:35:24,785 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-12-13 22:35:24,785 INFO L87 Difference]: Start difference. First operand 23259 states and 31573 transitions. Second operand has 7 states, 7 states have (on average 10.142857142857142) internal successors, (71), 4 states have internal predecessors, (71), 2 states have call successors, (34), 5 states have call predecessors, (34), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2022-12-13 22:35:29,731 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 22:35:29,731 INFO L93 Difference]: Finished difference Result 23856 states and 32472 transitions. [2022-12-13 22:35:29,732 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-12-13 22:35:29,732 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 10.142857142857142) internal successors, (71), 4 states have internal predecessors, (71), 2 states have call successors, (34), 5 states have call predecessors, (34), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) Word has length 273 [2022-12-13 22:35:29,733 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 22:35:29,780 INFO L225 Difference]: With dead ends: 23856 [2022-12-13 22:35:29,780 INFO L226 Difference]: Without dead ends: 23852 [2022-12-13 22:35:29,787 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 96 GetRequests, 85 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=56, Invalid=100, Unknown=0, NotChecked=0, Total=156 [2022-12-13 22:35:29,788 INFO L413 NwaCegarLoop]: 1217 mSDtfsCounter, 2697 mSDsluCounter, 3591 mSDsCounter, 0 mSdLazyCounter, 4003 mSolverCounterSat, 1507 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2884 SdHoareTripleChecker+Valid, 4808 SdHoareTripleChecker+Invalid, 5510 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1507 IncrementalHoareTripleChecker+Valid, 4003 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.9s IncrementalHoareTripleChecker+Time [2022-12-13 22:35:29,788 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2884 Valid, 4808 Invalid, 5510 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1507 Valid, 4003 Invalid, 0 Unknown, 0 Unchecked, 2.9s Time] [2022-12-13 22:35:29,803 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23852 states. [2022-12-13 22:35:31,648 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23852 to 23261. [2022-12-13 22:35:31,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23261 states, 16476 states have (on average 1.2651735858218014) internal successors, (20845), 16865 states have internal predecessors, (20845), 5305 states have call successors, (5305), 1462 states have call predecessors, (5305), 1477 states have return successors, (5424), 5071 states have call predecessors, (5424), 5301 states have call successors, (5424) [2022-12-13 22:35:31,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23261 states to 23261 states and 31574 transitions. [2022-12-13 22:35:31,765 INFO L78 Accepts]: Start accepts. Automaton has 23261 states and 31574 transitions. Word has length 273 [2022-12-13 22:35:31,766 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 22:35:31,766 INFO L495 AbstractCegarLoop]: Abstraction has 23261 states and 31574 transitions. [2022-12-13 22:35:31,766 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 10.142857142857142) internal successors, (71), 4 states have internal predecessors, (71), 2 states have call successors, (34), 5 states have call predecessors, (34), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2022-12-13 22:35:31,766 INFO L276 IsEmpty]: Start isEmpty. Operand 23261 states and 31574 transitions. [2022-12-13 22:35:31,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 278 [2022-12-13 22:35:31,771 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 22:35:31,771 INFO L195 NwaCegarLoop]: trace histogram [15, 15, 12, 11, 11, 9, 9, 9, 9, 9, 9, 6, 6, 6, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 22:35:31,771 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-12-13 22:35:31,771 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 22:35:31,771 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 22:35:31,771 INFO L85 PathProgramCache]: Analyzing trace with hash -1478671704, now seen corresponding path program 1 times [2022-12-13 22:35:31,772 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 22:35:31,772 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1490693347] [2022-12-13 22:35:31,772 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 22:35:31,772 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 22:35:31,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:35:31,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-12-13 22:35:31,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:35:31,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:35:31,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:35:31,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-12-13 22:35:31,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:35:31,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:35:31,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:35:31,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-12-13 22:35:31,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:35:31,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:35:31,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:35:31,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-12-13 22:35:31,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:35:31,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:35:31,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:35:31,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-12-13 22:35:31,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:35:31,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:35:31,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:35:31,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-12-13 22:35:31,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:35:31,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:35:31,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:35:31,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-12-13 22:35:31,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:35:31,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:35:31,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:35:31,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-12-13 22:35:31,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:35:31,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:35:31,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:35:31,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-12-13 22:35:31,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:35:31,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:35:31,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:35:31,934 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-12-13 22:35:31,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:35:31,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2022-12-13 22:35:31,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:35:31,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2022-12-13 22:35:31,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:35:31,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2022-12-13 22:35:31,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:35:31,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2022-12-13 22:35:31,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:35:31,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:35:31,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:35:31,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2022-12-13 22:35:31,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:35:31,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-12-13 22:35:31,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:35:31,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2022-12-13 22:35:31,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:35:31,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2022-12-13 22:35:31,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:35:31,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2022-12-13 22:35:31,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:35:31,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2022-12-13 22:35:31,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:35:31,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-12-13 22:35:31,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:35:31,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 22:35:31,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:35:31,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2022-12-13 22:35:31,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:35:31,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-12-13 22:35:31,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:35:31,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2022-12-13 22:35:31,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:35:31,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2022-12-13 22:35:31,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:35:31,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2022-12-13 22:35:31,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:35:31,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2022-12-13 22:35:31,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:35:31,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2022-12-13 22:35:31,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:35:31,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2022-12-13 22:35:31,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:35:31,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2022-12-13 22:35:31,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:35:32,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2022-12-13 22:35:32,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:35:32,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2022-12-13 22:35:32,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:35:32,004 INFO L134 CoverageAnalysis]: Checked inductivity of 855 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 822 trivial. 0 not checked. [2022-12-13 22:35:32,004 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 22:35:32,004 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1490693347] [2022-12-13 22:35:32,004 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1490693347] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 22:35:32,004 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 22:35:32,005 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-13 22:35:32,005 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [648479070] [2022-12-13 22:35:32,005 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 22:35:32,005 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-13 22:35:32,005 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 22:35:32,005 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-13 22:35:32,005 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-13 22:35:32,006 INFO L87 Difference]: Start difference. First operand 23261 states and 31574 transitions. Second operand has 5 states, 5 states have (on average 15.0) internal successors, (75), 3 states have internal predecessors, (75), 3 states have call successors, (36), 4 states have call predecessors, (36), 1 states have return successors, (34), 3 states have call predecessors, (34), 3 states have call successors, (34) [2022-12-13 22:35:39,501 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 22:35:39,501 INFO L93 Difference]: Finished difference Result 54680 states and 74332 transitions. [2022-12-13 22:35:39,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-12-13 22:35:39,501 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 15.0) internal successors, (75), 3 states have internal predecessors, (75), 3 states have call successors, (36), 4 states have call predecessors, (36), 1 states have return successors, (34), 3 states have call predecessors, (34), 3 states have call successors, (34) Word has length 277 [2022-12-13 22:35:39,502 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 22:35:39,578 INFO L225 Difference]: With dead ends: 54680 [2022-12-13 22:35:39,578 INFO L226 Difference]: Without dead ends: 31611 [2022-12-13 22:35:39,622 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 96 GetRequests, 89 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2022-12-13 22:35:39,622 INFO L413 NwaCegarLoop]: 2310 mSDtfsCounter, 2705 mSDsluCounter, 3967 mSDsCounter, 0 mSdLazyCounter, 4441 mSolverCounterSat, 1733 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2947 SdHoareTripleChecker+Valid, 6277 SdHoareTripleChecker+Invalid, 6174 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1733 IncrementalHoareTripleChecker+Valid, 4441 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.4s IncrementalHoareTripleChecker+Time [2022-12-13 22:35:39,623 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2947 Valid, 6277 Invalid, 6174 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1733 Valid, 4441 Invalid, 0 Unknown, 0 Unchecked, 4.4s Time] [2022-12-13 22:35:39,644 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31611 states. [2022-12-13 22:35:42,219 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31611 to 30759. [2022-12-13 22:35:42,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30759 states, 21788 states have (on average 1.2653754360198275) internal successors, (27570), 22297 states have internal predecessors, (27570), 7010 states have call successors, (7010), 1940 states have call predecessors, (7010), 1958 states have return successors, (7170), 6705 states have call predecessors, (7170), 7006 states have call successors, (7170) [2022-12-13 22:35:42,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30759 states to 30759 states and 41750 transitions. [2022-12-13 22:35:42,309 INFO L78 Accepts]: Start accepts. Automaton has 30759 states and 41750 transitions. Word has length 277 [2022-12-13 22:35:42,309 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 22:35:42,309 INFO L495 AbstractCegarLoop]: Abstraction has 30759 states and 41750 transitions. [2022-12-13 22:35:42,309 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 15.0) internal successors, (75), 3 states have internal predecessors, (75), 3 states have call successors, (36), 4 states have call predecessors, (36), 1 states have return successors, (34), 3 states have call predecessors, (34), 3 states have call successors, (34) [2022-12-13 22:35:42,310 INFO L276 IsEmpty]: Start isEmpty. Operand 30759 states and 41750 transitions. [2022-12-13 22:35:42,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 279 [2022-12-13 22:35:42,316 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 22:35:42,316 INFO L195 NwaCegarLoop]: trace histogram [15, 15, 12, 11, 11, 9, 9, 9, 9, 9, 9, 6, 6, 6, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 22:35:42,317 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-12-13 22:35:42,317 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 22:35:42,317 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 22:35:42,317 INFO L85 PathProgramCache]: Analyzing trace with hash 401706040, now seen corresponding path program 1 times [2022-12-13 22:35:42,317 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 22:35:42,317 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [194666530] [2022-12-13 22:35:42,317 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 22:35:42,317 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 22:35:42,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:35:42,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-12-13 22:35:42,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:35:42,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:35:42,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:35:42,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-12-13 22:35:42,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:35:42,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:35:42,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:35:42,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-12-13 22:35:42,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:35:42,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:35:42,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:35:42,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-12-13 22:35:42,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:35:42,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:35:42,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:35:42,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-12-13 22:35:42,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:35:42,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:35:42,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:35:42,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-12-13 22:35:42,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:35:42,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:35:42,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:35:42,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-12-13 22:35:42,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:35:42,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:35:42,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:35:42,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-12-13 22:35:42,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:35:42,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:35:42,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:35:42,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-12-13 22:35:42,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:35:42,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:35:42,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:35:42,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-12-13 22:35:42,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:35:42,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2022-12-13 22:35:42,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:35:42,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2022-12-13 22:35:42,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:35:42,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2022-12-13 22:35:42,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:35:42,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2022-12-13 22:35:42,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:35:42,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:35:42,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:35:42,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2022-12-13 22:35:42,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:35:42,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-12-13 22:35:42,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:35:42,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2022-12-13 22:35:42,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:35:42,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2022-12-13 22:35:42,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:35:42,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2022-12-13 22:35:42,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:35:42,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2022-12-13 22:35:42,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:35:42,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2022-12-13 22:35:42,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:35:42,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 22:35:42,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:35:42,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2022-12-13 22:35:42,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:35:42,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2022-12-13 22:35:42,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:35:42,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2022-12-13 22:35:42,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:35:42,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2022-12-13 22:35:42,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:35:42,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2022-12-13 22:35:42,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:35:42,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2022-12-13 22:35:42,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:35:42,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2022-12-13 22:35:42,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:35:42,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2022-12-13 22:35:42,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:35:42,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2022-12-13 22:35:42,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:35:42,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 264 [2022-12-13 22:35:42,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:35:42,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2022-12-13 22:35:42,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:35:42,690 INFO L134 CoverageAnalysis]: Checked inductivity of 857 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 835 trivial. 0 not checked. [2022-12-13 22:35:42,690 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 22:35:42,690 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [194666530] [2022-12-13 22:35:42,690 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [194666530] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 22:35:42,690 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 22:35:42,690 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-12-13 22:35:42,690 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1648305008] [2022-12-13 22:35:42,691 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 22:35:42,691 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-12-13 22:35:42,691 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 22:35:42,692 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-12-13 22:35:42,692 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-12-13 22:35:42,692 INFO L87 Difference]: Start difference. First operand 30759 states and 41750 transitions. Second operand has 7 states, 7 states have (on average 10.142857142857142) internal successors, (71), 4 states have internal predecessors, (71), 2 states have call successors, (35), 5 states have call predecessors, (35), 1 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) [2022-12-13 22:35:48,340 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 22:35:48,340 INFO L93 Difference]: Finished difference Result 31547 states and 42939 transitions. [2022-12-13 22:35:48,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-12-13 22:35:48,341 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 10.142857142857142) internal successors, (71), 4 states have internal predecessors, (71), 2 states have call successors, (35), 5 states have call predecessors, (35), 1 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) Word has length 278 [2022-12-13 22:35:48,341 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 22:35:48,411 INFO L225 Difference]: With dead ends: 31547 [2022-12-13 22:35:48,411 INFO L226 Difference]: Without dead ends: 30882 [2022-12-13 22:35:48,422 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 87 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=56, Invalid=100, Unknown=0, NotChecked=0, Total=156 [2022-12-13 22:35:48,422 INFO L413 NwaCegarLoop]: 1217 mSDtfsCounter, 2693 mSDsluCounter, 3591 mSDsCounter, 0 mSdLazyCounter, 3982 mSolverCounterSat, 1510 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2880 SdHoareTripleChecker+Valid, 4808 SdHoareTripleChecker+Invalid, 5492 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1510 IncrementalHoareTripleChecker+Valid, 3982 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2022-12-13 22:35:48,422 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2880 Valid, 4808 Invalid, 5492 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1510 Valid, 3982 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2022-12-13 22:35:48,442 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30882 states. [2022-12-13 22:35:50,625 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30882 to 22853. [2022-12-13 22:35:50,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22853 states, 16190 states have (on average 1.2652872143298333) internal successors, (20485), 16555 states have internal predecessors, (20485), 5208 states have call successors, (5208), 1432 states have call predecessors, (5208), 1453 states have return successors, (5331), 5003 states have call predecessors, (5331), 5208 states have call successors, (5331) [2022-12-13 22:35:50,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22853 states to 22853 states and 31024 transitions. [2022-12-13 22:35:50,690 INFO L78 Accepts]: Start accepts. Automaton has 22853 states and 31024 transitions. Word has length 278 [2022-12-13 22:35:50,690 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 22:35:50,690 INFO L495 AbstractCegarLoop]: Abstraction has 22853 states and 31024 transitions. [2022-12-13 22:35:50,690 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 10.142857142857142) internal successors, (71), 4 states have internal predecessors, (71), 2 states have call successors, (35), 5 states have call predecessors, (35), 1 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) [2022-12-13 22:35:50,690 INFO L276 IsEmpty]: Start isEmpty. Operand 22853 states and 31024 transitions. [2022-12-13 22:35:50,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 261 [2022-12-13 22:35:50,697 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 22:35:50,697 INFO L195 NwaCegarLoop]: trace histogram [15, 15, 9, 9, 9, 9, 9, 9, 6, 6, 6, 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, 1, 1, 1, 1, 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 22:35:50,697 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-12-13 22:35:50,697 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-12-13 22:35:50,697 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 22:35:50,697 INFO L85 PathProgramCache]: Analyzing trace with hash 872296312, now seen corresponding path program 1 times [2022-12-13 22:35:50,697 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 22:35:50,697 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1134607571] [2022-12-13 22:35:50,697 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 22:35:50,698 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 22:35:50,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:35:50,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-12-13 22:35:50,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:35:50,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:35:50,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:35:50,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-12-13 22:35:50,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:35:50,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:35:50,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:35:50,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-12-13 22:35:50,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:35:50,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:35:50,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:35:50,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-12-13 22:35:50,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:35:50,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:35:50,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:35:50,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-12-13 22:35:50,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:35:50,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:35:50,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:35:50,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-12-13 22:35:50,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:35:50,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:35:50,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:35:50,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-12-13 22:35:50,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:35:50,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:35:50,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:35:50,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-12-13 22:35:50,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:35:50,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:35:50,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:35:50,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-12-13 22:35:50,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:35:50,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:35:50,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:35:50,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-12-13 22:35:50,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:35:50,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2022-12-13 22:35:50,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:35:50,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2022-12-13 22:35:50,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:35:50,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2022-12-13 22:35:50,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:35:50,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2022-12-13 22:35:50,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:35:50,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2022-12-13 22:35:50,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:35:50,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:35:50,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:35:50,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2022-12-13 22:35:50,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:35:50,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2022-12-13 22:35:50,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:35:50,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2022-12-13 22:35:50,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:35:51,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-12-13 22:35:51,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:35:51,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:35:51,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:35:51,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-12-13 22:35:51,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:35:51,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-12-13 22:35:51,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:35:51,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-12-13 22:35:51,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:35:51,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2022-12-13 22:35:51,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:35:51,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2022-12-13 22:35:51,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:35:51,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2022-12-13 22:35:51,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:35:51,030 INFO L134 CoverageAnalysis]: Checked inductivity of 604 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 594 trivial. 0 not checked. [2022-12-13 22:35:51,030 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 22:35:51,030 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1134607571] [2022-12-13 22:35:51,030 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1134607571] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 22:35:51,030 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 22:35:51,031 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-12-13 22:35:51,031 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1658528281] [2022-12-13 22:35:51,031 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 22:35:51,031 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-13 22:35:51,031 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 22:35:51,032 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 22:35:51,032 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2022-12-13 22:35:51,032 INFO L87 Difference]: Start difference. First operand 22853 states and 31024 transitions. Second operand has 6 states, 6 states have (on average 18.166666666666668) internal successors, (109), 3 states have internal predecessors, (109), 3 states have call successors, (30), 5 states have call predecessors, (30), 1 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) [2022-12-13 22:35:59,386 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 22:35:59,386 INFO L93 Difference]: Finished difference Result 54065 states and 73354 transitions. [2022-12-13 22:35:59,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-13 22:35:59,387 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 18.166666666666668) internal successors, (109), 3 states have internal predecessors, (109), 3 states have call successors, (30), 5 states have call predecessors, (30), 1 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) Word has length 260 [2022-12-13 22:35:59,387 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 22:35:59,457 INFO L225 Difference]: With dead ends: 54065 [2022-12-13 22:35:59,458 INFO L226 Difference]: Without dead ends: 31404 [2022-12-13 22:35:59,495 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 72 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2022-12-13 22:35:59,496 INFO L413 NwaCegarLoop]: 2276 mSDtfsCounter, 1574 mSDsluCounter, 3670 mSDsCounter, 0 mSdLazyCounter, 3697 mSolverCounterSat, 590 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1812 SdHoareTripleChecker+Valid, 5946 SdHoareTripleChecker+Invalid, 4287 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 590 IncrementalHoareTripleChecker+Valid, 3697 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.0s IncrementalHoareTripleChecker+Time [2022-12-13 22:35:59,496 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1812 Valid, 5946 Invalid, 4287 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [590 Valid, 3697 Invalid, 0 Unknown, 0 Unchecked, 5.0s Time] [2022-12-13 22:35:59,516 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31404 states. [2022-12-13 22:36:02,323 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31404 to 30343. [2022-12-13 22:36:02,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30343 states, 21641 states have (on average 1.2617716371701861) internal successors, (27306), 22082 states have internal predecessors, (27306), 6728 states have call successors, (6728), 1951 states have call predecessors, (6728), 1972 states have return successors, (6851), 6483 states have call predecessors, (6851), 6728 states have call successors, (6851) [2022-12-13 22:36:02,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30343 states to 30343 states and 40885 transitions. [2022-12-13 22:36:02,410 INFO L78 Accepts]: Start accepts. Automaton has 30343 states and 40885 transitions. Word has length 260 [2022-12-13 22:36:02,411 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 22:36:02,411 INFO L495 AbstractCegarLoop]: Abstraction has 30343 states and 40885 transitions. [2022-12-13 22:36:02,411 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 18.166666666666668) internal successors, (109), 3 states have internal predecessors, (109), 3 states have call successors, (30), 5 states have call predecessors, (30), 1 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) [2022-12-13 22:36:02,411 INFO L276 IsEmpty]: Start isEmpty. Operand 30343 states and 40885 transitions. [2022-12-13 22:36:02,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 336 [2022-12-13 22:36:02,419 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 22:36:02,420 INFO L195 NwaCegarLoop]: trace histogram [17, 17, 10, 10, 10, 9, 9, 9, 9, 9, 9, 4, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:36:02,420 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-12-13 22:36:02,420 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 22:36:02,420 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 22:36:02,420 INFO L85 PathProgramCache]: Analyzing trace with hash 1764062527, now seen corresponding path program 1 times [2022-12-13 22:36:02,420 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 22:36:02,420 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [238291722] [2022-12-13 22:36:02,420 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 22:36:02,420 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 22:36:02,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:36:02,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-12-13 22:36:02,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:36:02,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:36:02,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:36:02,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-12-13 22:36:02,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:36:02,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:36:02,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:36:02,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-12-13 22:36:02,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:36:02,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:36:02,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:36:02,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-12-13 22:36:02,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:36:02,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:36:02,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:36:02,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-12-13 22:36:02,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:36:02,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:36:02,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:36:02,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-12-13 22:36:02,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:36:02,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:36:02,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:36:02,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-12-13 22:36:02,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:36:02,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:36:02,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:36:02,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-12-13 22:36:02,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:36:02,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:36:02,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:36:02,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-12-13 22:36:02,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:36:02,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:36:02,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:36:02,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-12-13 22:36:02,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:36:02,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2022-12-13 22:36:02,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:36:02,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2022-12-13 22:36:02,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:36:02,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2022-12-13 22:36:02,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:36:02,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2022-12-13 22:36:02,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:36:02,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2022-12-13 22:36:02,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:36:02,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:36:02,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:36:02,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2022-12-13 22:36:02,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:36:02,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2022-12-13 22:36:02,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:36:02,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2022-12-13 22:36:02,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:36:02,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:36:02,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:36:02,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 22:36:02,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:36:02,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-12-13 22:36:02,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:36:02,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2022-12-13 22:36:02,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:36:02,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:36:02,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:36:02,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 22:36:02,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:36:02,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-12-13 22:36:02,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:36:02,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 237 [2022-12-13 22:36:02,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:36:02,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2022-12-13 22:36:02,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:36:02,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2022-12-13 22:36:02,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:36:02,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-12-13 22:36:02,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:36:02,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:36:02,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:36:02,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-12-13 22:36:02,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:36:02,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-12-13 22:36:02,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:36:02,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-12-13 22:36:02,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:36:02,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 310 [2022-12-13 22:36:02,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:36:02,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 321 [2022-12-13 22:36:02,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:36:02,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 325 [2022-12-13 22:36:02,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:36:02,820 INFO L134 CoverageAnalysis]: Checked inductivity of 849 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 821 trivial. 0 not checked. [2022-12-13 22:36:02,820 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 22:36:02,820 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [238291722] [2022-12-13 22:36:02,820 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [238291722] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 22:36:02,820 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 22:36:02,820 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-12-13 22:36:02,821 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [574600760] [2022-12-13 22:36:02,821 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 22:36:02,821 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-13 22:36:02,821 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 22:36:02,821 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 22:36:02,821 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2022-12-13 22:36:02,822 INFO L87 Difference]: Start difference. First operand 30343 states and 40885 transitions. Second operand has 6 states, 6 states have (on average 23.5) internal successors, (141), 3 states have internal predecessors, (141), 3 states have call successors, (36), 5 states have call predecessors, (36), 1 states have return successors, (34), 3 states have call predecessors, (34), 3 states have call successors, (34) [2022-12-13 22:36:11,820 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 22:36:11,820 INFO L93 Difference]: Finished difference Result 69204 states and 93278 transitions. [2022-12-13 22:36:11,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-13 22:36:11,821 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 23.5) internal successors, (141), 3 states have internal predecessors, (141), 3 states have call successors, (36), 5 states have call predecessors, (36), 1 states have return successors, (34), 3 states have call predecessors, (34), 3 states have call successors, (34) Word has length 335 [2022-12-13 22:36:11,821 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 22:36:11,909 INFO L225 Difference]: With dead ends: 69204 [2022-12-13 22:36:11,909 INFO L226 Difference]: Without dead ends: 38884 [2022-12-13 22:36:11,955 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 92 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2022-12-13 22:36:11,955 INFO L413 NwaCegarLoop]: 2304 mSDtfsCounter, 1965 mSDsluCounter, 3784 mSDsCounter, 0 mSdLazyCounter, 3410 mSolverCounterSat, 1094 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2202 SdHoareTripleChecker+Valid, 6088 SdHoareTripleChecker+Invalid, 4504 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1094 IncrementalHoareTripleChecker+Valid, 3410 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.9s IncrementalHoareTripleChecker+Time [2022-12-13 22:36:11,955 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2202 Valid, 6088 Invalid, 4504 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1094 Valid, 3410 Invalid, 0 Unknown, 0 Unchecked, 4.9s Time] [2022-12-13 22:36:11,982 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38884 states. [2022-12-13 22:36:15,504 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38884 to 37547. [2022-12-13 22:36:15,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 37547 states, 26890 states have (on average 1.2600223131275567) internal successors, (33882), 27407 states have internal predecessors, (33882), 8180 states have call successors, (8180), 2454 states have call predecessors, (8180), 2475 states have return successors, (8303), 7895 states have call predecessors, (8303), 8180 states have call successors, (8303) [2022-12-13 22:36:15,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37547 states to 37547 states and 50365 transitions. [2022-12-13 22:36:15,612 INFO L78 Accepts]: Start accepts. Automaton has 37547 states and 50365 transitions. Word has length 335 [2022-12-13 22:36:15,613 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 22:36:15,613 INFO L495 AbstractCegarLoop]: Abstraction has 37547 states and 50365 transitions. [2022-12-13 22:36:15,613 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 23.5) internal successors, (141), 3 states have internal predecessors, (141), 3 states have call successors, (36), 5 states have call predecessors, (36), 1 states have return successors, (34), 3 states have call predecessors, (34), 3 states have call successors, (34) [2022-12-13 22:36:15,613 INFO L276 IsEmpty]: Start isEmpty. Operand 37547 states and 50365 transitions. [2022-12-13 22:36:15,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 336 [2022-12-13 22:36:15,622 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 22:36:15,622 INFO L195 NwaCegarLoop]: trace histogram [17, 17, 10, 10, 10, 9, 9, 9, 9, 9, 9, 4, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:36:15,622 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2022-12-13 22:36:15,622 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-12-13 22:36:15,622 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 22:36:15,622 INFO L85 PathProgramCache]: Analyzing trace with hash 880553537, now seen corresponding path program 1 times [2022-12-13 22:36:15,623 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 22:36:15,623 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1887865019] [2022-12-13 22:36:15,623 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 22:36:15,623 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 22:36:15,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:36:15,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-12-13 22:36:15,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:36:15,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:36:15,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:36:15,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-12-13 22:36:15,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:36:15,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:36:15,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:36:15,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-12-13 22:36:15,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:36:15,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:36:15,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:36:15,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-12-13 22:36:15,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:36:15,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:36:15,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:36:15,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-12-13 22:36:15,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:36:15,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:36:15,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:36:15,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-12-13 22:36:15,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:36:15,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:36:15,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:36:15,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-12-13 22:36:15,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:36:15,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:36:15,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:36:15,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-12-13 22:36:15,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:36:15,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:36:15,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:36:15,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-12-13 22:36:15,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:36:15,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:36:15,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:36:15,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-12-13 22:36:15,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:36:15,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2022-12-13 22:36:15,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:36:15,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2022-12-13 22:36:15,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:36:15,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2022-12-13 22:36:15,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:36:15,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2022-12-13 22:36:15,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:36:15,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2022-12-13 22:36:15,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:36:15,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:36:15,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:36:15,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2022-12-13 22:36:15,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:36:15,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2022-12-13 22:36:15,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:36:15,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2022-12-13 22:36:15,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:36:15,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:36:15,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:36:15,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 22:36:15,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:36:15,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-12-13 22:36:15,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:36:15,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2022-12-13 22:36:15,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:36:15,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:36:15,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:36:15,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 22:36:15,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:36:15,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-12-13 22:36:15,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:36:15,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 237 [2022-12-13 22:36:15,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:36:15,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2022-12-13 22:36:15,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:36:15,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2022-12-13 22:36:15,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:36:15,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-12-13 22:36:15,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:36:15,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:36:15,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:36:15,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-12-13 22:36:15,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:36:15,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-12-13 22:36:15,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:36:15,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-12-13 22:36:15,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:36:15,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 310 [2022-12-13 22:36:15,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:36:15,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 321 [2022-12-13 22:36:15,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:36:15,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 325 [2022-12-13 22:36:15,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:36:15,960 INFO L134 CoverageAnalysis]: Checked inductivity of 849 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 821 trivial. 0 not checked. [2022-12-13 22:36:15,960 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 22:36:15,960 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1887865019] [2022-12-13 22:36:15,960 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1887865019] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 22:36:15,960 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 22:36:15,960 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-12-13 22:36:15,961 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1161096429] [2022-12-13 22:36:15,961 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 22:36:15,961 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-13 22:36:15,961 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 22:36:15,961 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 22:36:15,961 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2022-12-13 22:36:15,962 INFO L87 Difference]: Start difference. First operand 37547 states and 50365 transitions. Second operand has 6 states, 6 states have (on average 23.5) internal successors, (141), 3 states have internal predecessors, (141), 3 states have call successors, (36), 5 states have call predecessors, (36), 1 states have return successors, (34), 3 states have call predecessors, (34), 3 states have call successors, (34) [2022-12-13 22:36:26,271 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 22:36:26,271 INFO L93 Difference]: Finished difference Result 86285 states and 115924 transitions. [2022-12-13 22:36:26,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-13 22:36:26,271 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 23.5) internal successors, (141), 3 states have internal predecessors, (141), 3 states have call successors, (36), 5 states have call predecessors, (36), 1 states have return successors, (34), 3 states have call predecessors, (34), 3 states have call successors, (34) Word has length 335 [2022-12-13 22:36:26,272 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 22:36:26,380 INFO L225 Difference]: With dead ends: 86285 [2022-12-13 22:36:26,380 INFO L226 Difference]: Without dead ends: 48930 [2022-12-13 22:36:26,437 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 92 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2022-12-13 22:36:26,437 INFO L413 NwaCegarLoop]: 2469 mSDtfsCounter, 2406 mSDsluCounter, 3669 mSDsCounter, 0 mSdLazyCounter, 3470 mSolverCounterSat, 1147 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2729 SdHoareTripleChecker+Valid, 6138 SdHoareTripleChecker+Invalid, 4617 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1147 IncrementalHoareTripleChecker+Valid, 3470 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.0s IncrementalHoareTripleChecker+Time [2022-12-13 22:36:26,437 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2729 Valid, 6138 Invalid, 4617 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1147 Valid, 3470 Invalid, 0 Unknown, 0 Unchecked, 5.0s Time] [2022-12-13 22:36:26,471 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48930 states. [2022-12-13 22:36:30,961 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48930 to 47173. [2022-12-13 22:36:30,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 47173 states, 33643 states have (on average 1.2567547483874804) internal successors, (42281), 34320 states have internal predecessors, (42281), 10375 states have call successors, (10375), 3132 states have call predecessors, (10375), 3153 states have return successors, (10492), 9978 states have call predecessors, (10492), 10375 states have call successors, (10492) [2022-12-13 22:36:31,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47173 states to 47173 states and 63148 transitions. [2022-12-13 22:36:31,090 INFO L78 Accepts]: Start accepts. Automaton has 47173 states and 63148 transitions. Word has length 335 [2022-12-13 22:36:31,091 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 22:36:31,091 INFO L495 AbstractCegarLoop]: Abstraction has 47173 states and 63148 transitions. [2022-12-13 22:36:31,091 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 23.5) internal successors, (141), 3 states have internal predecessors, (141), 3 states have call successors, (36), 5 states have call predecessors, (36), 1 states have return successors, (34), 3 states have call predecessors, (34), 3 states have call successors, (34) [2022-12-13 22:36:31,091 INFO L276 IsEmpty]: Start isEmpty. Operand 47173 states and 63148 transitions. [2022-12-13 22:36:31,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 390 [2022-12-13 22:36:31,101 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 22:36:31,101 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 12, 12, 12, 9, 9, 9, 9, 9, 9, 5, 5, 5, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 22:36:31,101 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2022-12-13 22:36:31,101 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-12-13 22:36:31,102 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 22:36:31,102 INFO L85 PathProgramCache]: Analyzing trace with hash -569452251, now seen corresponding path program 1 times [2022-12-13 22:36:31,102 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 22:36:31,102 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [823406331] [2022-12-13 22:36:31,102 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 22:36:31,102 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 22:36:31,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:36:31,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-12-13 22:36:31,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:36:31,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:36:31,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:36:31,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-12-13 22:36:31,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:36:31,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:36:31,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:36:31,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-12-13 22:36:31,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:36:31,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:36:31,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:36:31,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-12-13 22:36:31,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:36:31,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:36:31,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:36:31,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-12-13 22:36:31,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:36:31,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:36:31,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:36:31,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-12-13 22:36:31,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:36:31,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:36:31,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:36:31,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-12-13 22:36:31,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:36:31,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:36:31,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:36:31,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-12-13 22:36:31,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:36:31,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:36:31,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:36:31,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-12-13 22:36:31,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:36:31,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:36:31,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:36:31,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-12-13 22:36:31,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:36:31,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2022-12-13 22:36:31,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:36:31,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2022-12-13 22:36:31,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:36:31,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2022-12-13 22:36:31,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:36:31,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2022-12-13 22:36:31,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:36:31,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2022-12-13 22:36:31,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:36:31,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:36:31,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:36:31,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2022-12-13 22:36:31,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:36:31,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2022-12-13 22:36:31,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:36:31,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2022-12-13 22:36:31,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:36:31,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:36:31,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:36:31,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 22:36:31,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:36:31,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-12-13 22:36:31,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:36:31,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2022-12-13 22:36:31,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:36:31,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:36:31,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:36:31,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 22:36:31,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:36:31,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-12-13 22:36:31,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:36:31,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 237 [2022-12-13 22:36:31,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:36:31,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2022-12-13 22:36:31,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:36:31,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2022-12-13 22:36:31,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:36:31,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 280 [2022-12-13 22:36:31,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:36:31,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:36:31,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:36:31,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 292 [2022-12-13 22:36:31,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:36:31,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 299 [2022-12-13 22:36:31,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:36:31,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 316 [2022-12-13 22:36:31,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:36:31,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-12-13 22:36:31,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:36:31,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:36:31,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:36:31,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-12-13 22:36:31,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:36:31,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-12-13 22:36:31,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:36:31,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-12-13 22:36:31,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:36:31,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 364 [2022-12-13 22:36:31,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:36:31,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 375 [2022-12-13 22:36:31,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:36:31,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 379 [2022-12-13 22:36:31,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:36:31,550 INFO L134 CoverageAnalysis]: Checked inductivity of 1084 backedges. 45 proven. 0 refuted. 0 times theorem prover too weak. 1039 trivial. 0 not checked. [2022-12-13 22:36:31,550 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 22:36:31,550 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [823406331] [2022-12-13 22:36:31,550 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [823406331] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 22:36:31,551 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 22:36:31,551 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-12-13 22:36:31,551 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1388412986] [2022-12-13 22:36:31,551 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 22:36:31,551 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-13 22:36:31,551 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 22:36:31,552 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 22:36:31,552 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2022-12-13 22:36:31,552 INFO L87 Difference]: Start difference. First operand 47173 states and 63148 transitions. Second operand has 6 states, 6 states have (on average 25.5) internal successors, (153), 3 states have internal predecessors, (153), 3 states have call successors, (39), 5 states have call predecessors, (39), 1 states have return successors, (37), 3 states have call predecessors, (37), 3 states have call successors, (37) [2022-12-13 22:36:42,563 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 22:36:42,563 INFO L93 Difference]: Finished difference Result 103539 states and 138784 transitions. [2022-12-13 22:36:42,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-13 22:36:42,564 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 25.5) internal successors, (153), 3 states have internal predecessors, (153), 3 states have call successors, (39), 5 states have call predecessors, (39), 1 states have return successors, (37), 3 states have call predecessors, (37), 3 states have call successors, (37) Word has length 389 [2022-12-13 22:36:42,565 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 22:36:42,706 INFO L225 Difference]: With dead ends: 103539 [2022-12-13 22:36:42,706 INFO L226 Difference]: Without dead ends: 56558 [2022-12-13 22:36:42,785 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 108 GetRequests, 102 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2022-12-13 22:36:42,785 INFO L413 NwaCegarLoop]: 2107 mSDtfsCounter, 1990 mSDsluCounter, 3492 mSDsCounter, 0 mSdLazyCounter, 3369 mSolverCounterSat, 1173 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2229 SdHoareTripleChecker+Valid, 5599 SdHoareTripleChecker+Invalid, 4542 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1173 IncrementalHoareTripleChecker+Valid, 3369 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.9s IncrementalHoareTripleChecker+Time [2022-12-13 22:36:42,785 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2229 Valid, 5599 Invalid, 4542 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1173 Valid, 3369 Invalid, 0 Unknown, 0 Unchecked, 4.9s Time] [2022-12-13 22:36:42,825 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56558 states. [2022-12-13 22:36:47,999 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56558 to 54525. [2022-12-13 22:36:48,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 54525 states, 39010 states have (on average 1.256549602665983) internal successors, (49018), 39763 states have internal predecessors, (49018), 11859 states have call successors, (11859), 3633 states have call predecessors, (11859), 3654 states have return successors, (11976), 11422 states have call predecessors, (11976), 11859 states have call successors, (11976) [2022-12-13 22:36:48,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54525 states to 54525 states and 72853 transitions. [2022-12-13 22:36:48,199 INFO L78 Accepts]: Start accepts. Automaton has 54525 states and 72853 transitions. Word has length 389 [2022-12-13 22:36:48,200 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 22:36:48,200 INFO L495 AbstractCegarLoop]: Abstraction has 54525 states and 72853 transitions. [2022-12-13 22:36:48,200 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 25.5) internal successors, (153), 3 states have internal predecessors, (153), 3 states have call successors, (39), 5 states have call predecessors, (39), 1 states have return successors, (37), 3 states have call predecessors, (37), 3 states have call successors, (37) [2022-12-13 22:36:48,200 INFO L276 IsEmpty]: Start isEmpty. Operand 54525 states and 72853 transitions. [2022-12-13 22:36:48,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 391 [2022-12-13 22:36:48,211 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 22:36:48,211 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 12, 12, 12, 9, 9, 9, 9, 9, 9, 5, 5, 5, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 22:36:48,211 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2022-12-13 22:36:48,211 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 22:36:48,211 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 22:36:48,212 INFO L85 PathProgramCache]: Analyzing trace with hash 1082586425, now seen corresponding path program 1 times [2022-12-13 22:36:48,212 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 22:36:48,212 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [648112220] [2022-12-13 22:36:48,212 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 22:36:48,212 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 22:36:48,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:36:48,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-12-13 22:36:48,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:36:48,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:36:48,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:36:48,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-12-13 22:36:48,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:36:48,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:36:48,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:36:48,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-12-13 22:36:48,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:36:48,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:36:48,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:36:48,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-12-13 22:36:48,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:36:48,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:36:48,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:36:48,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-12-13 22:36:48,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:36:48,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:36:48,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:36:48,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-12-13 22:36:48,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:36:48,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:36:48,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:36:48,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-12-13 22:36:48,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:36:48,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:36:48,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:36:48,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-12-13 22:36:48,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:36:48,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:36:48,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:36:48,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-12-13 22:36:48,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:36:48,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:36:48,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:36:48,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-12-13 22:36:48,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:36:48,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2022-12-13 22:36:48,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:36:48,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2022-12-13 22:36:48,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:36:48,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2022-12-13 22:36:48,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:36:48,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2022-12-13 22:36:48,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:36:48,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2022-12-13 22:36:48,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:36:48,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:36:48,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:36:48,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2022-12-13 22:36:48,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:36:48,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2022-12-13 22:36:48,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:36:48,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2022-12-13 22:36:48,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:36:48,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:36:48,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:36:48,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 22:36:48,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:36:48,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-12-13 22:36:48,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:36:48,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2022-12-13 22:36:48,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:36:48,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:36:48,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:36:48,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 22:36:48,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:36:48,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-12-13 22:36:48,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:36:48,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 237 [2022-12-13 22:36:48,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:36:48,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2022-12-13 22:36:48,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:36:48,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2022-12-13 22:36:48,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:36:48,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 280 [2022-12-13 22:36:48,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:36:48,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:36:48,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:36:48,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 292 [2022-12-13 22:36:48,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:36:48,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 299 [2022-12-13 22:36:48,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:36:48,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2022-12-13 22:36:48,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:36:48,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-12-13 22:36:48,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:36:48,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:36:48,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:36:48,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-12-13 22:36:48,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:36:48,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-12-13 22:36:48,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:36:48,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-12-13 22:36:48,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:36:48,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 365 [2022-12-13 22:36:48,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:36:48,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 376 [2022-12-13 22:36:48,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:36:48,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 380 [2022-12-13 22:36:48,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:36:48,578 INFO L134 CoverageAnalysis]: Checked inductivity of 1086 backedges. 47 proven. 0 refuted. 0 times theorem prover too weak. 1039 trivial. 0 not checked. [2022-12-13 22:36:48,578 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 22:36:48,578 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [648112220] [2022-12-13 22:36:48,578 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [648112220] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 22:36:48,578 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 22:36:48,578 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-12-13 22:36:48,578 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [430238609] [2022-12-13 22:36:48,578 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 22:36:48,579 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-13 22:36:48,579 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 22:36:48,579 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 22:36:48,579 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2022-12-13 22:36:48,579 INFO L87 Difference]: Start difference. First operand 54525 states and 72853 transitions. Second operand has 6 states, 6 states have (on average 25.666666666666668) internal successors, (154), 3 states have internal predecessors, (154), 3 states have call successors, (39), 5 states have call predecessors, (39), 1 states have return successors, (37), 3 states have call predecessors, (37), 3 states have call successors, (37) [2022-12-13 22:37:00,080 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 22:37:00,080 INFO L93 Difference]: Finished difference Result 118663 states and 158770 transitions. [2022-12-13 22:37:00,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-13 22:37:00,081 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 25.666666666666668) internal successors, (154), 3 states have internal predecessors, (154), 3 states have call successors, (39), 5 states have call predecessors, (39), 1 states have return successors, (37), 3 states have call predecessors, (37), 3 states have call successors, (37) Word has length 390 [2022-12-13 22:37:00,081 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 22:37:00,235 INFO L225 Difference]: With dead ends: 118663 [2022-12-13 22:37:00,235 INFO L226 Difference]: Without dead ends: 64330 [2022-12-13 22:37:00,316 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 108 GetRequests, 102 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2022-12-13 22:37:00,317 INFO L413 NwaCegarLoop]: 2304 mSDtfsCounter, 1996 mSDsluCounter, 3786 mSDsCounter, 0 mSdLazyCounter, 3417 mSolverCounterSat, 1100 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2235 SdHoareTripleChecker+Valid, 6090 SdHoareTripleChecker+Invalid, 4517 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1100 IncrementalHoareTripleChecker+Valid, 3417 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.8s IncrementalHoareTripleChecker+Time [2022-12-13 22:37:00,317 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2235 Valid, 6090 Invalid, 4517 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1100 Valid, 3417 Invalid, 0 Unknown, 0 Unchecked, 4.8s Time] [2022-12-13 22:37:00,362 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64330 states. [2022-12-13 22:37:06,302 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64330 to 62021. [2022-12-13 22:37:06,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 62021 states, 44497 states have (on average 1.2562419938422815) internal successors, (55899), 45326 states have internal predecessors, (55899), 13355 states have call successors, (13355), 4146 states have call predecessors, (13355), 4167 states have return successors, (13472), 12878 states have call predecessors, (13472), 13355 states have call successors, (13472) [2022-12-13 22:37:06,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62021 states to 62021 states and 82726 transitions. [2022-12-13 22:37:06,496 INFO L78 Accepts]: Start accepts. Automaton has 62021 states and 82726 transitions. Word has length 390 [2022-12-13 22:37:06,496 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 22:37:06,496 INFO L495 AbstractCegarLoop]: Abstraction has 62021 states and 82726 transitions. [2022-12-13 22:37:06,496 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 25.666666666666668) internal successors, (154), 3 states have internal predecessors, (154), 3 states have call successors, (39), 5 states have call predecessors, (39), 1 states have return successors, (37), 3 states have call predecessors, (37), 3 states have call successors, (37) [2022-12-13 22:37:06,496 INFO L276 IsEmpty]: Start isEmpty. Operand 62021 states and 82726 transitions. [2022-12-13 22:37:06,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 431 [2022-12-13 22:37:06,509 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 22:37:06,509 INFO L195 NwaCegarLoop]: trace histogram [21, 21, 13, 13, 13, 9, 9, 9, 9, 9, 9, 6, 6, 6, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:37:06,510 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2022-12-13 22:37:06,510 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 22:37:06,510 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 22:37:06,510 INFO L85 PathProgramCache]: Analyzing trace with hash 1968852225, now seen corresponding path program 1 times [2022-12-13 22:37:06,510 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 22:37:06,510 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1902199949] [2022-12-13 22:37:06,510 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 22:37:06,510 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 22:37:06,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:37:06,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-12-13 22:37:06,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:37:06,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:37:06,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:37:06,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-12-13 22:37:06,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:37:06,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:37:06,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:37:06,715 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-12-13 22:37:06,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:37:06,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:37:06,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:37:06,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-12-13 22:37:06,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:37:06,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:37:06,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:37:06,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-12-13 22:37:06,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:37:06,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:37:06,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:37:06,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-12-13 22:37:06,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:37:06,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:37:06,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:37:06,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-12-13 22:37:06,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:37:06,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:37:06,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:37:06,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-12-13 22:37:06,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:37:06,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:37:06,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:37:06,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-12-13 22:37:06,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:37:06,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:37:06,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:37:06,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-12-13 22:37:06,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:37:06,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2022-12-13 22:37:06,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:37:06,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2022-12-13 22:37:06,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:37:06,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2022-12-13 22:37:06,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:37:06,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2022-12-13 22:37:06,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:37:06,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2022-12-13 22:37:06,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:37:06,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:37:06,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:37:06,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2022-12-13 22:37:06,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:37:06,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2022-12-13 22:37:06,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:37:06,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2022-12-13 22:37:06,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:37:06,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:37:06,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:37:06,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 22:37:06,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:37:06,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-12-13 22:37:06,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:37:06,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2022-12-13 22:37:06,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:37:06,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:37:06,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:37:06,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 22:37:06,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:37:06,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-12-13 22:37:06,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:37:06,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 237 [2022-12-13 22:37:06,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:37:06,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2022-12-13 22:37:06,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:37:06,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2022-12-13 22:37:06,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:37:06,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 280 [2022-12-13 22:37:06,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:37:06,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:37:06,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:37:06,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 292 [2022-12-13 22:37:06,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:37:06,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 299 [2022-12-13 22:37:06,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:37:06,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2022-12-13 22:37:06,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:37:06,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 327 [2022-12-13 22:37:06,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:37:06,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:37:06,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:37:06,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 340 [2022-12-13 22:37:06,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:37:06,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 357 [2022-12-13 22:37:06,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:37:06,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-12-13 22:37:06,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:37:06,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:37:06,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:37:06,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-12-13 22:37:06,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:37:06,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-12-13 22:37:06,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:37:06,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-12-13 22:37:06,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:37:06,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 405 [2022-12-13 22:37:06,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:37:06,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 416 [2022-12-13 22:37:06,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:37:06,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 420 [2022-12-13 22:37:06,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:37:06,916 INFO L134 CoverageAnalysis]: Checked inductivity of 1311 backedges. 63 proven. 0 refuted. 0 times theorem prover too weak. 1248 trivial. 0 not checked. [2022-12-13 22:37:06,916 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 22:37:06,916 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1902199949] [2022-12-13 22:37:06,916 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1902199949] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 22:37:06,916 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 22:37:06,916 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-12-13 22:37:06,916 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [483686301] [2022-12-13 22:37:06,916 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 22:37:06,916 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-12-13 22:37:06,917 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 22:37:06,917 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-12-13 22:37:06,917 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2022-12-13 22:37:06,917 INFO L87 Difference]: Start difference. First operand 62021 states and 82726 transitions. Second operand has 8 states, 8 states have (on average 20.0) internal successors, (160), 4 states have internal predecessors, (160), 3 states have call successors, (42), 5 states have call predecessors, (42), 2 states have return successors, (40), 4 states have call predecessors, (40), 3 states have call successors, (40) [2022-12-13 22:37:20,769 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 22:37:20,769 INFO L93 Difference]: Finished difference Result 135539 states and 180854 transitions. [2022-12-13 22:37:20,770 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-12-13 22:37:20,770 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 20.0) internal successors, (160), 4 states have internal predecessors, (160), 3 states have call successors, (42), 5 states have call predecessors, (42), 2 states have return successors, (40), 4 states have call predecessors, (40), 3 states have call successors, (40) Word has length 430 [2022-12-13 22:37:20,771 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 22:37:20,951 INFO L225 Difference]: With dead ends: 135539 [2022-12-13 22:37:20,951 INFO L226 Difference]: Without dead ends: 73710 [2022-12-13 22:37:21,046 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 119 GetRequests, 110 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2022-12-13 22:37:21,047 INFO L413 NwaCegarLoop]: 2261 mSDtfsCounter, 1810 mSDsluCounter, 7490 mSDsCounter, 0 mSdLazyCounter, 6655 mSolverCounterSat, 708 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2048 SdHoareTripleChecker+Valid, 9751 SdHoareTripleChecker+Invalid, 7363 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 708 IncrementalHoareTripleChecker+Valid, 6655 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.9s IncrementalHoareTripleChecker+Time [2022-12-13 22:37:21,047 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2048 Valid, 9751 Invalid, 7363 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [708 Valid, 6655 Invalid, 0 Unknown, 0 Unchecked, 5.9s Time] [2022-12-13 22:37:21,099 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73710 states. [2022-12-13 22:37:28,007 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73710 to 71029. [2022-12-13 22:37:28,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 71029 states, 50914 states have (on average 1.254212986604863) internal successors, (63857), 51867 states have internal predecessors, (63857), 15277 states have call successors, (15277), 4806 states have call predecessors, (15277), 4836 states have return successors, (15403), 14739 states have call predecessors, (15403), 15277 states have call successors, (15403) [2022-12-13 22:37:28,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71029 states to 71029 states and 94537 transitions. [2022-12-13 22:37:28,274 INFO L78 Accepts]: Start accepts. Automaton has 71029 states and 94537 transitions. Word has length 430 [2022-12-13 22:37:28,275 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 22:37:28,275 INFO L495 AbstractCegarLoop]: Abstraction has 71029 states and 94537 transitions. [2022-12-13 22:37:28,275 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 20.0) internal successors, (160), 4 states have internal predecessors, (160), 3 states have call successors, (42), 5 states have call predecessors, (42), 2 states have return successors, (40), 4 states have call predecessors, (40), 3 states have call successors, (40) [2022-12-13 22:37:28,275 INFO L276 IsEmpty]: Start isEmpty. Operand 71029 states and 94537 transitions. [2022-12-13 22:37:28,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 433 [2022-12-13 22:37:28,289 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 22:37:28,289 INFO L195 NwaCegarLoop]: trace histogram [21, 21, 13, 13, 13, 9, 9, 9, 9, 9, 9, 6, 6, 6, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 22:37:28,289 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2022-12-13 22:37:28,290 INFO L420 AbstractCegarLoop]: === Iteration 26 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-12-13 22:37:28,290 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 22:37:28,290 INFO L85 PathProgramCache]: Analyzing trace with hash 1575696233, now seen corresponding path program 1 times [2022-12-13 22:37:28,290 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 22:37:28,290 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1163591487] [2022-12-13 22:37:28,290 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 22:37:28,290 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 22:37:28,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:37:28,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-12-13 22:37:28,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:37:28,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:37:28,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:37:28,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-12-13 22:37:28,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:37:28,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:37:28,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:37:28,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-12-13 22:37:28,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:37:28,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:37:28,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:37:28,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-12-13 22:37:28,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:37:28,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:37:28,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:37:28,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-12-13 22:37:28,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:37:28,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:37:28,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:37:28,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-12-13 22:37:28,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:37:28,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:37:28,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:37:28,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-12-13 22:37:28,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:37:28,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:37:28,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:37:28,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-12-13 22:37:28,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:37:28,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:37:28,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:37:28,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-12-13 22:37:28,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:37:28,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:37:28,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:37:28,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-12-13 22:37:28,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:37:28,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2022-12-13 22:37:28,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:37:28,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2022-12-13 22:37:28,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:37:28,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2022-12-13 22:37:28,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:37:28,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2022-12-13 22:37:28,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:37:28,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2022-12-13 22:37:28,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:37:28,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:37:28,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:37:28,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2022-12-13 22:37:28,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:37:28,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2022-12-13 22:37:28,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:37:28,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2022-12-13 22:37:28,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:37:28,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:37:28,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:37:28,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 22:37:28,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:37:28,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-12-13 22:37:28,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:37:28,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2022-12-13 22:37:28,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:37:28,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:37:28,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:37:28,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 22:37:28,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:37:28,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-12-13 22:37:28,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:37:28,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 237 [2022-12-13 22:37:28,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:37:28,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2022-12-13 22:37:28,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:37:28,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2022-12-13 22:37:28,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:37:28,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 280 [2022-12-13 22:37:28,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:37:28,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:37:28,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:37:28,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 292 [2022-12-13 22:37:28,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:37:28,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 299 [2022-12-13 22:37:28,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:37:28,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2022-12-13 22:37:28,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:37:28,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 327 [2022-12-13 22:37:28,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:37:28,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:37:28,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:37:28,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 341 [2022-12-13 22:37:28,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:37:28,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 359 [2022-12-13 22:37:28,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:37:28,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-12-13 22:37:28,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:37:28,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:37:28,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:37:28,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-12-13 22:37:28,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:37:28,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-12-13 22:37:28,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:37:28,715 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-12-13 22:37:28,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:37:28,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 407 [2022-12-13 22:37:28,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:37:28,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 418 [2022-12-13 22:37:28,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:37:28,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 422 [2022-12-13 22:37:28,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:37:28,730 INFO L134 CoverageAnalysis]: Checked inductivity of 1314 backedges. 66 proven. 0 refuted. 0 times theorem prover too weak. 1248 trivial. 0 not checked. [2022-12-13 22:37:28,730 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 22:37:28,730 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1163591487] [2022-12-13 22:37:28,730 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1163591487] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 22:37:28,730 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 22:37:28,730 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-12-13 22:37:28,730 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1476044363] [2022-12-13 22:37:28,730 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 22:37:28,731 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-12-13 22:37:28,731 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 22:37:28,731 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-12-13 22:37:28,731 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2022-12-13 22:37:28,732 INFO L87 Difference]: Start difference. First operand 71029 states and 94537 transitions. Second operand has 8 states, 8 states have (on average 20.25) internal successors, (162), 4 states have internal predecessors, (162), 3 states have call successors, (42), 5 states have call predecessors, (42), 2 states have return successors, (40), 4 states have call predecessors, (40), 3 states have call successors, (40) [2022-12-13 22:37:42,011 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 22:37:42,012 INFO L93 Difference]: Finished difference Result 152319 states and 202958 transitions. [2022-12-13 22:37:42,012 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-12-13 22:37:42,012 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 20.25) internal successors, (162), 4 states have internal predecessors, (162), 3 states have call successors, (42), 5 states have call predecessors, (42), 2 states have return successors, (40), 4 states have call predecessors, (40), 3 states have call successors, (40) Word has length 432 [2022-12-13 22:37:42,013 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 22:37:42,211 INFO L225 Difference]: With dead ends: 152319 [2022-12-13 22:37:42,212 INFO L226 Difference]: Without dead ends: 81482 [2022-12-13 22:37:42,318 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 119 GetRequests, 110 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2022-12-13 22:37:42,319 INFO L413 NwaCegarLoop]: 2308 mSDtfsCounter, 1992 mSDsluCounter, 6522 mSDsCounter, 0 mSdLazyCounter, 5846 mSolverCounterSat, 1070 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2230 SdHoareTripleChecker+Valid, 8830 SdHoareTripleChecker+Invalid, 6916 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1070 IncrementalHoareTripleChecker+Valid, 5846 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.9s IncrementalHoareTripleChecker+Time [2022-12-13 22:37:42,319 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2230 Valid, 8830 Invalid, 6916 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1070 Valid, 5846 Invalid, 0 Unknown, 0 Unchecked, 4.9s Time] [2022-12-13 22:37:42,379 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 81482 states. [2022-12-13 22:37:50,299 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 81482 to 78525. [2022-12-13 22:37:50,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 78525 states, 56353 states have (on average 1.2539882526218658) internal successors, (70666), 57382 states have internal predecessors, (70666), 16785 states have call successors, (16785), 5343 states have call predecessors, (16785), 5385 states have return successors, (16923), 16219 states have call predecessors, (16923), 16785 states have call successors, (16923) [2022-12-13 22:37:50,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78525 states to 78525 states and 104374 transitions. [2022-12-13 22:37:50,536 INFO L78 Accepts]: Start accepts. Automaton has 78525 states and 104374 transitions. Word has length 432 [2022-12-13 22:37:50,536 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 22:37:50,536 INFO L495 AbstractCegarLoop]: Abstraction has 78525 states and 104374 transitions. [2022-12-13 22:37:50,537 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 20.25) internal successors, (162), 4 states have internal predecessors, (162), 3 states have call successors, (42), 5 states have call predecessors, (42), 2 states have return successors, (40), 4 states have call predecessors, (40), 3 states have call successors, (40) [2022-12-13 22:37:50,537 INFO L276 IsEmpty]: Start isEmpty. Operand 78525 states and 104374 transitions. [2022-12-13 22:37:50,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 434 [2022-12-13 22:37:50,552 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 22:37:50,552 INFO L195 NwaCegarLoop]: trace histogram [21, 21, 13, 13, 13, 9, 9, 9, 9, 9, 9, 6, 6, 6, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 22:37:50,552 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2022-12-13 22:37:50,552 INFO L420 AbstractCegarLoop]: === Iteration 27 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-12-13 22:37:50,552 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 22:37:50,553 INFO L85 PathProgramCache]: Analyzing trace with hash 967855486, now seen corresponding path program 1 times [2022-12-13 22:37:50,553 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 22:37:50,553 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1568234313] [2022-12-13 22:37:50,553 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 22:37:50,553 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 22:37:50,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:37:50,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-12-13 22:37:50,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:37:50,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:37:50,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:37:50,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-12-13 22:37:50,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:37:50,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:37:50,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:37:50,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-12-13 22:37:50,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:37:50,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:37:50,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:37:50,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-12-13 22:37:50,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:37:50,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:37:50,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:37:50,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-12-13 22:37:50,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:37:50,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:37:50,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:37:50,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-12-13 22:37:50,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:37:50,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:37:50,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:37:50,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-12-13 22:37:50,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:37:50,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:37:50,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:37:50,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-12-13 22:37:50,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:37:50,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:37:50,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:37:50,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-12-13 22:37:50,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:37:50,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:37:50,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:37:50,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-12-13 22:37:50,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:37:50,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2022-12-13 22:37:50,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:37:50,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2022-12-13 22:37:50,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:37:50,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2022-12-13 22:37:50,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:37:50,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2022-12-13 22:37:50,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:37:50,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2022-12-13 22:37:50,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:37:50,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:37:50,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:37:50,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2022-12-13 22:37:50,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:37:50,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2022-12-13 22:37:50,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:37:50,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2022-12-13 22:37:50,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:37:50,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:37:50,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:37:50,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 22:37:50,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:37:50,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-12-13 22:37:50,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:37:50,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2022-12-13 22:37:50,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:37:50,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:37:50,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:37:50,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 22:37:50,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:37:50,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-12-13 22:37:50,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:37:50,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 237 [2022-12-13 22:37:50,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:37:50,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2022-12-13 22:37:50,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:37:50,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2022-12-13 22:37:50,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:37:50,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 280 [2022-12-13 22:37:50,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:37:50,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:37:50,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:37:50,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 292 [2022-12-13 22:37:50,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:37:50,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 299 [2022-12-13 22:37:50,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:37:50,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2022-12-13 22:37:50,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:37:50,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 327 [2022-12-13 22:37:50,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:37:50,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:37:50,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:37:50,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 342 [2022-12-13 22:37:50,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:37:50,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 360 [2022-12-13 22:37:50,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:37:51,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-12-13 22:37:51,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:37:51,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:37:51,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:37:51,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-12-13 22:37:51,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:37:51,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-12-13 22:37:51,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:37:51,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-12-13 22:37:51,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:37:51,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 408 [2022-12-13 22:37:51,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:37:51,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 419 [2022-12-13 22:37:51,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:37:51,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 423 [2022-12-13 22:37:51,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:37:51,058 INFO L134 CoverageAnalysis]: Checked inductivity of 1314 backedges. 66 proven. 0 refuted. 0 times theorem prover too weak. 1248 trivial. 0 not checked. [2022-12-13 22:37:51,058 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 22:37:51,058 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1568234313] [2022-12-13 22:37:51,058 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1568234313] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 22:37:51,058 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 22:37:51,058 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-12-13 22:37:51,058 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1296100656] [2022-12-13 22:37:51,058 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 22:37:51,059 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-12-13 22:37:51,059 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 22:37:51,059 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-12-13 22:37:51,059 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2022-12-13 22:37:51,059 INFO L87 Difference]: Start difference. First operand 78525 states and 104374 transitions. Second operand has 8 states, 8 states have (on average 20.375) internal successors, (163), 4 states have internal predecessors, (163), 3 states have call successors, (42), 5 states have call predecessors, (42), 2 states have return successors, (40), 4 states have call predecessors, (40), 3 states have call successors, (40) [2022-12-13 22:38:06,056 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 22:38:06,056 INFO L93 Difference]: Finished difference Result 167419 states and 222896 transitions. [2022-12-13 22:38:06,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-12-13 22:38:06,056 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 20.375) internal successors, (163), 4 states have internal predecessors, (163), 3 states have call successors, (42), 5 states have call predecessors, (42), 2 states have return successors, (40), 4 states have call predecessors, (40), 3 states have call successors, (40) Word has length 433 [2022-12-13 22:38:06,057 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 22:38:06,277 INFO L225 Difference]: With dead ends: 167419 [2022-12-13 22:38:06,278 INFO L226 Difference]: Without dead ends: 89086 [2022-12-13 22:38:06,401 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 119 GetRequests, 110 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2022-12-13 22:38:06,401 INFO L413 NwaCegarLoop]: 2308 mSDtfsCounter, 1562 mSDsluCounter, 7603 mSDsCounter, 0 mSdLazyCounter, 6636 mSolverCounterSat, 576 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1798 SdHoareTripleChecker+Valid, 9911 SdHoareTripleChecker+Invalid, 7212 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 576 IncrementalHoareTripleChecker+Valid, 6636 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.7s IncrementalHoareTripleChecker+Time [2022-12-13 22:38:06,401 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1798 Valid, 9911 Invalid, 7212 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [576 Valid, 6636 Invalid, 0 Unknown, 0 Unchecked, 5.7s Time] [2022-12-13 22:38:06,466 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 89086 states. [2022-12-13 22:38:15,027 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 89086 to 85853. [2022-12-13 22:38:15,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 85853 states, 61696 states have (on average 1.2541980031120332) internal successors, (77379), 62801 states have internal predecessors, (77379), 18269 states have call successors, (18269), 5844 states have call predecessors, (18269), 5886 states have return successors, (18407), 17663 states have call predecessors, (18407), 18269 states have call successors, (18407) [2022-12-13 22:38:15,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85853 states to 85853 states and 114055 transitions. [2022-12-13 22:38:15,292 INFO L78 Accepts]: Start accepts. Automaton has 85853 states and 114055 transitions. Word has length 433 [2022-12-13 22:38:15,292 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 22:38:15,293 INFO L495 AbstractCegarLoop]: Abstraction has 85853 states and 114055 transitions. [2022-12-13 22:38:15,293 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 20.375) internal successors, (163), 4 states have internal predecessors, (163), 3 states have call successors, (42), 5 states have call predecessors, (42), 2 states have return successors, (40), 4 states have call predecessors, (40), 3 states have call successors, (40) [2022-12-13 22:38:15,293 INFO L276 IsEmpty]: Start isEmpty. Operand 85853 states and 114055 transitions. [2022-12-13 22:38:15,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 449 [2022-12-13 22:38:15,309 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 22:38:15,309 INFO L195 NwaCegarLoop]: trace histogram [22, 22, 13, 13, 13, 9, 9, 9, 9, 9, 9, 7, 7, 7, 6, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 22:38:15,309 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2022-12-13 22:38:15,310 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 22:38:15,310 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 22:38:15,310 INFO L85 PathProgramCache]: Analyzing trace with hash -2045623591, now seen corresponding path program 1 times [2022-12-13 22:38:15,310 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 22:38:15,310 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1852485665] [2022-12-13 22:38:15,310 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 22:38:15,310 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 22:38:15,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:38:15,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-12-13 22:38:15,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:38:15,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:38:15,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:38:15,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-12-13 22:38:15,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:38:15,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:38:15,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:38:15,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-12-13 22:38:15,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:38:15,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:38:15,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:38:15,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-12-13 22:38:15,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:38:15,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:38:15,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:38:15,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-12-13 22:38:15,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:38:15,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:38:15,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:38:15,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-12-13 22:38:15,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:38:15,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:38:15,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:38:15,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-12-13 22:38:15,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:38:15,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:38:15,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:38:15,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-12-13 22:38:15,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:38:15,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:38:15,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:38:15,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-12-13 22:38:15,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:38:15,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:38:15,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:38:15,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-12-13 22:38:15,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:38:15,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2022-12-13 22:38:15,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:38:15,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2022-12-13 22:38:15,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:38:15,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2022-12-13 22:38:15,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:38:15,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2022-12-13 22:38:15,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:38:15,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2022-12-13 22:38:15,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:38:15,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:38:15,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:38:15,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2022-12-13 22:38:15,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:38:15,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2022-12-13 22:38:15,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:38:15,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2022-12-13 22:38:15,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:38:15,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:38:15,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:38:15,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 22:38:15,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:38:15,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-12-13 22:38:15,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:38:15,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2022-12-13 22:38:15,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:38:15,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:38:15,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:38:15,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 22:38:15,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:38:15,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-12-13 22:38:15,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:38:15,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 237 [2022-12-13 22:38:15,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:38:15,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2022-12-13 22:38:15,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:38:15,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2022-12-13 22:38:15,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:38:15,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 280 [2022-12-13 22:38:15,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:38:15,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:38:15,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:38:15,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 292 [2022-12-13 22:38:15,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:38:15,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 299 [2022-12-13 22:38:15,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:38:15,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2022-12-13 22:38:15,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:38:15,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 327 [2022-12-13 22:38:15,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:38:15,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:38:15,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:38:15,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 340 [2022-12-13 22:38:15,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:38:15,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 357 [2022-12-13 22:38:15,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:38:15,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 375 [2022-12-13 22:38:15,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:38:15,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-12-13 22:38:15,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:38:15,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:38:15,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:38:15,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-12-13 22:38:15,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:38:15,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-12-13 22:38:15,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:38:15,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-12-13 22:38:15,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:38:15,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 423 [2022-12-13 22:38:15,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:38:15,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 434 [2022-12-13 22:38:15,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:38:15,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 438 [2022-12-13 22:38:15,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:38:15,643 INFO L134 CoverageAnalysis]: Checked inductivity of 1428 backedges. 82 proven. 0 refuted. 0 times theorem prover too weak. 1346 trivial. 0 not checked. [2022-12-13 22:38:15,643 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 22:38:15,643 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1852485665] [2022-12-13 22:38:15,644 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1852485665] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 22:38:15,644 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 22:38:15,644 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-12-13 22:38:15,644 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1688178303] [2022-12-13 22:38:15,644 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 22:38:15,644 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-13 22:38:15,644 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 22:38:15,645 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 22:38:15,645 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2022-12-13 22:38:15,645 INFO L87 Difference]: Start difference. First operand 85853 states and 114055 transitions. Second operand has 6 states, 6 states have (on average 27.5) internal successors, (165), 3 states have internal predecessors, (165), 3 states have call successors, (42), 5 states have call predecessors, (42), 1 states have return successors, (40), 3 states have call predecessors, (40), 3 states have call successors, (40) [2022-12-13 22:38:29,757 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 22:38:29,758 INFO L93 Difference]: Finished difference Result 182936 states and 243311 transitions. [2022-12-13 22:38:29,759 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-13 22:38:29,759 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 27.5) internal successors, (165), 3 states have internal predecessors, (165), 3 states have call successors, (42), 5 states have call predecessors, (42), 1 states have return successors, (40), 3 states have call predecessors, (40), 3 states have call successors, (40) Word has length 448 [2022-12-13 22:38:29,759 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 22:38:30,013 INFO L225 Difference]: With dead ends: 182936 [2022-12-13 22:38:30,013 INFO L226 Difference]: Without dead ends: 97275 [2022-12-13 22:38:30,144 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 118 GetRequests, 112 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2022-12-13 22:38:30,145 INFO L413 NwaCegarLoop]: 2306 mSDtfsCounter, 2114 mSDsluCounter, 2652 mSDsCounter, 0 mSdLazyCounter, 3070 mSolverCounterSat, 1186 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2354 SdHoareTripleChecker+Valid, 4958 SdHoareTripleChecker+Invalid, 4256 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1186 IncrementalHoareTripleChecker+Valid, 3070 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.0s IncrementalHoareTripleChecker+Time [2022-12-13 22:38:30,145 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2354 Valid, 4958 Invalid, 4256 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1186 Valid, 3070 Invalid, 0 Unknown, 0 Unchecked, 4.0s Time] [2022-12-13 22:38:30,216 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 97275 states. [2022-12-13 22:38:39,623 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 97275 to 93790. [2022-12-13 22:38:39,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 93790 states, 67399 states have (on average 1.2539503553465186) internal successors, (84515), 68586 states have internal predecessors, (84515), 19936 states have call successors, (19936), 6417 states have call predecessors, (19936), 6453 states have return successors, (20074), 19284 states have call predecessors, (20074), 19936 states have call successors, (20074) [2022-12-13 22:38:39,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93790 states to 93790 states and 124525 transitions. [2022-12-13 22:38:39,951 INFO L78 Accepts]: Start accepts. Automaton has 93790 states and 124525 transitions. Word has length 448 [2022-12-13 22:38:39,952 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 22:38:39,952 INFO L495 AbstractCegarLoop]: Abstraction has 93790 states and 124525 transitions. [2022-12-13 22:38:39,952 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 27.5) internal successors, (165), 3 states have internal predecessors, (165), 3 states have call successors, (42), 5 states have call predecessors, (42), 1 states have return successors, (40), 3 states have call predecessors, (40), 3 states have call successors, (40) [2022-12-13 22:38:39,952 INFO L276 IsEmpty]: Start isEmpty. Operand 93790 states and 124525 transitions. [2022-12-13 22:38:39,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 456 [2022-12-13 22:38:39,969 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 22:38:39,969 INFO L195 NwaCegarLoop]: trace histogram [22, 22, 13, 13, 13, 9, 9, 9, 9, 9, 9, 7, 7, 7, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:38:39,970 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2022-12-13 22:38:39,970 INFO L420 AbstractCegarLoop]: === Iteration 29 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-12-13 22:38:39,970 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 22:38:39,970 INFO L85 PathProgramCache]: Analyzing trace with hash 714938432, now seen corresponding path program 1 times [2022-12-13 22:38:39,970 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 22:38:39,970 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [701243089] [2022-12-13 22:38:39,970 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 22:38:39,970 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 22:38:40,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:38:40,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-12-13 22:38:40,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:38:40,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:38:40,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:38:40,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-12-13 22:38:40,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:38:40,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:38:40,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:38:40,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-12-13 22:38:40,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:38:40,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:38:40,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:38:40,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-12-13 22:38:40,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:38:40,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:38:40,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:38:40,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-12-13 22:38:40,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:38:40,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:38:40,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:38:40,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-12-13 22:38:40,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:38:40,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:38:40,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:38:40,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-12-13 22:38:40,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:38:40,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:38:40,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:38:40,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-12-13 22:38:40,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:38:40,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:38:40,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:38:40,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-12-13 22:38:40,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:38:40,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:38:40,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:38:40,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-12-13 22:38:40,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:38:40,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2022-12-13 22:38:40,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:38:40,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2022-12-13 22:38:40,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:38:40,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2022-12-13 22:38:40,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:38:40,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2022-12-13 22:38:40,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:38:40,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2022-12-13 22:38:40,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:38:40,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:38:40,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:38:40,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2022-12-13 22:38:40,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:38:40,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2022-12-13 22:38:40,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:38:40,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2022-12-13 22:38:40,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:38:40,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:38:40,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:38:40,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 22:38:40,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:38:40,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-12-13 22:38:40,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:38:40,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2022-12-13 22:38:40,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:38:40,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:38:40,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:38:40,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 22:38:40,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:38:40,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-12-13 22:38:40,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:38:40,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 237 [2022-12-13 22:38:40,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:38:40,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2022-12-13 22:38:40,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:38:40,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2022-12-13 22:38:40,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:38:40,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 280 [2022-12-13 22:38:40,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:38:40,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:38:40,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:38:40,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 292 [2022-12-13 22:38:40,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:38:40,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 299 [2022-12-13 22:38:40,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:38:40,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2022-12-13 22:38:40,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:38:40,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 327 [2022-12-13 22:38:40,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:38:40,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:38:40,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:38:40,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 342 [2022-12-13 22:38:40,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:38:40,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 364 [2022-12-13 22:38:40,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:38:40,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 382 [2022-12-13 22:38:40,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:38:40,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-12-13 22:38:40,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:38:40,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:38:40,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:38:40,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-12-13 22:38:40,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:38:40,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-12-13 22:38:40,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:38:40,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-12-13 22:38:40,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:38:40,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 430 [2022-12-13 22:38:40,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:38:40,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 441 [2022-12-13 22:38:40,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:38:40,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 445 [2022-12-13 22:38:40,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:38:40,337 INFO L134 CoverageAnalysis]: Checked inductivity of 1452 backedges. 85 proven. 0 refuted. 0 times theorem prover too weak. 1367 trivial. 0 not checked. [2022-12-13 22:38:40,337 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 22:38:40,337 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [701243089] [2022-12-13 22:38:40,337 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [701243089] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 22:38:40,337 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 22:38:40,337 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-12-13 22:38:40,337 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1473069507] [2022-12-13 22:38:40,337 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 22:38:40,338 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-13 22:38:40,338 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 22:38:40,338 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 22:38:40,338 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2022-12-13 22:38:40,338 INFO L87 Difference]: Start difference. First operand 93790 states and 124525 transitions. Second operand has 6 states, 6 states have (on average 27.5) internal successors, (165), 3 states have internal predecessors, (165), 3 states have call successors, (42), 5 states have call predecessors, (42), 1 states have return successors, (40), 3 states have call predecessors, (40), 3 states have call successors, (40) [2022-12-13 22:38:55,261 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 22:38:55,261 INFO L93 Difference]: Finished difference Result 198597 states and 264086 transitions. [2022-12-13 22:38:55,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-13 22:38:55,262 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 27.5) internal successors, (165), 3 states have internal predecessors, (165), 3 states have call successors, (42), 5 states have call predecessors, (42), 1 states have return successors, (40), 3 states have call predecessors, (40), 3 states have call successors, (40) Word has length 455 [2022-12-13 22:38:55,263 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 22:38:55,541 INFO L225 Difference]: With dead ends: 198597 [2022-12-13 22:38:55,541 INFO L226 Difference]: Without dead ends: 104999 [2022-12-13 22:38:55,689 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 118 GetRequests, 112 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2022-12-13 22:38:55,690 INFO L413 NwaCegarLoop]: 2305 mSDtfsCounter, 1983 mSDsluCounter, 2657 mSDsCounter, 0 mSdLazyCounter, 2906 mSolverCounterSat, 1069 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2220 SdHoareTripleChecker+Valid, 4962 SdHoareTripleChecker+Invalid, 3975 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1069 IncrementalHoareTripleChecker+Valid, 2906 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.9s IncrementalHoareTripleChecker+Time [2022-12-13 22:38:55,690 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2220 Valid, 4962 Invalid, 3975 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1069 Valid, 2906 Invalid, 0 Unknown, 0 Unchecked, 3.9s Time] [2022-12-13 22:38:55,767 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104999 states. [2022-12-13 22:39:06,021 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104999 to 101238. [2022-12-13 22:39:06,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 101238 states, 72838 states have (on average 1.2541255937834648) internal successors, (91348), 74101 states have internal predecessors, (91348), 21432 states have call successors, (21432), 6930 states have call predecessors, (21432), 6966 states have return successors, (21570), 20740 states have call predecessors, (21570), 21432 states have call successors, (21570) [2022-12-13 22:39:06,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101238 states to 101238 states and 134350 transitions. [2022-12-13 22:39:06,341 INFO L78 Accepts]: Start accepts. Automaton has 101238 states and 134350 transitions. Word has length 455 [2022-12-13 22:39:06,341 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 22:39:06,341 INFO L495 AbstractCegarLoop]: Abstraction has 101238 states and 134350 transitions. [2022-12-13 22:39:06,341 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 27.5) internal successors, (165), 3 states have internal predecessors, (165), 3 states have call successors, (42), 5 states have call predecessors, (42), 1 states have return successors, (40), 3 states have call predecessors, (40), 3 states have call successors, (40) [2022-12-13 22:39:06,341 INFO L276 IsEmpty]: Start isEmpty. Operand 101238 states and 134350 transitions. [2022-12-13 22:39:06,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 469 [2022-12-13 22:39:06,360 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 22:39:06,360 INFO L195 NwaCegarLoop]: trace histogram [22, 22, 14, 14, 14, 9, 9, 9, 9, 9, 9, 7, 7, 7, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:39:06,360 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2022-12-13 22:39:06,361 INFO L420 AbstractCegarLoop]: === Iteration 30 === 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 22:39:06,361 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 22:39:06,361 INFO L85 PathProgramCache]: Analyzing trace with hash -282108967, now seen corresponding path program 1 times [2022-12-13 22:39:06,361 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 22:39:06,361 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1910160921] [2022-12-13 22:39:06,361 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 22:39:06,361 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 22:39:06,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:39:06,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-12-13 22:39:06,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:39:06,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:39:06,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:39:06,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-12-13 22:39:06,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:39:06,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:39:06,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:39:06,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-12-13 22:39:06,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:39:06,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:39:06,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:39:06,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-12-13 22:39:06,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:39:06,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:39:06,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:39:06,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-12-13 22:39:06,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:39:06,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:39:06,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:39:06,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-12-13 22:39:06,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:39:06,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:39:06,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:39:06,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-12-13 22:39:06,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:39:06,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:39:06,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:39:06,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-12-13 22:39:06,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:39:06,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:39:06,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:39:06,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-12-13 22:39:06,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:39:06,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:39:06,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:39:06,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-12-13 22:39:06,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:39:06,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2022-12-13 22:39:06,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:39:06,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2022-12-13 22:39:06,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:39:06,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2022-12-13 22:39:06,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:39:06,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2022-12-13 22:39:06,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:39:06,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2022-12-13 22:39:06,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:39:06,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:39:06,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:39:06,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2022-12-13 22:39:06,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:39:06,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2022-12-13 22:39:06,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:39:06,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2022-12-13 22:39:06,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:39:06,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:39:06,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:39:06,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 22:39:06,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:39:06,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-12-13 22:39:06,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:39:06,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2022-12-13 22:39:06,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:39:06,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:39:06,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:39:06,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 22:39:06,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:39:06,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-12-13 22:39:06,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:39:06,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 237 [2022-12-13 22:39:06,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:39:06,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2022-12-13 22:39:06,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:39:06,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2022-12-13 22:39:06,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:39:06,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 280 [2022-12-13 22:39:06,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:39:06,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:39:06,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:39:06,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 292 [2022-12-13 22:39:06,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:39:06,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 299 [2022-12-13 22:39:06,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:39:06,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2022-12-13 22:39:06,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:39:06,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 327 [2022-12-13 22:39:06,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:39:06,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:39:06,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:39:06,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 341 [2022-12-13 22:39:06,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:39:06,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 361 [2022-12-13 22:39:06,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:39:06,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:39:06,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:39:06,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:39:06,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:39:06,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 378 [2022-12-13 22:39:06,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:39:06,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 395 [2022-12-13 22:39:06,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:39:06,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-12-13 22:39:06,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:39:06,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:39:06,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:39:06,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-12-13 22:39:06,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:39:06,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-12-13 22:39:06,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:39:06,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-12-13 22:39:06,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:39:06,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 443 [2022-12-13 22:39:06,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:39:06,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 454 [2022-12-13 22:39:06,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:39:06,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 458 [2022-12-13 22:39:06,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:39:06,737 INFO L134 CoverageAnalysis]: Checked inductivity of 1504 backedges. 81 proven. 0 refuted. 0 times theorem prover too weak. 1423 trivial. 0 not checked. [2022-12-13 22:39:06,737 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 22:39:06,737 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1910160921] [2022-12-13 22:39:06,737 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1910160921] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 22:39:06,737 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 22:39:06,737 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-12-13 22:39:06,737 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2097672671] [2022-12-13 22:39:06,738 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 22:39:06,738 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-13 22:39:06,738 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 22:39:06,738 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 22:39:06,738 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2022-12-13 22:39:06,739 INFO L87 Difference]: Start difference. First operand 101238 states and 134350 transitions. Second operand has 6 states, 6 states have (on average 28.0) internal successors, (168), 3 states have internal predecessors, (168), 3 states have call successors, (44), 5 states have call predecessors, (44), 1 states have return successors, (42), 3 states have call predecessors, (42), 3 states have call successors, (42) [2022-12-13 22:39:22,363 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 22:39:22,363 INFO L93 Difference]: Finished difference Result 213613 states and 283928 transitions. [2022-12-13 22:39:22,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-13 22:39:22,364 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 28.0) internal successors, (168), 3 states have internal predecessors, (168), 3 states have call successors, (44), 5 states have call predecessors, (44), 1 states have return successors, (42), 3 states have call predecessors, (42), 3 states have call successors, (42) Word has length 468 [2022-12-13 22:39:22,365 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 22:39:22,718 INFO L225 Difference]: With dead ends: 213613 [2022-12-13 22:39:22,719 INFO L226 Difference]: Without dead ends: 112567 [2022-12-13 22:39:22,870 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 124 GetRequests, 118 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2022-12-13 22:39:22,870 INFO L413 NwaCegarLoop]: 2305 mSDtfsCounter, 2383 mSDsluCounter, 2647 mSDsCounter, 0 mSdLazyCounter, 2685 mSolverCounterSat, 1583 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2621 SdHoareTripleChecker+Valid, 4952 SdHoareTripleChecker+Invalid, 4268 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1583 IncrementalHoareTripleChecker+Valid, 2685 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.9s IncrementalHoareTripleChecker+Time [2022-12-13 22:39:22,870 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2621 Valid, 4952 Invalid, 4268 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1583 Valid, 2685 Invalid, 0 Unknown, 0 Unchecked, 3.9s Time] [2022-12-13 22:39:22,943 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 112567 states. [2022-12-13 22:39:33,553 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 112567 to 108530. [2022-12-13 22:39:33,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 108530 states, 78145 states have (on average 1.2543988738882845) internal successors, (98025), 79484 states have internal predecessors, (98025), 22916 states have call successors, (22916), 7431 states have call predecessors, (22916), 7467 states have return successors, (23054), 22184 states have call predecessors, (23054), 22916 states have call successors, (23054) [2022-12-13 22:39:33,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108530 states to 108530 states and 143995 transitions. [2022-12-13 22:39:33,952 INFO L78 Accepts]: Start accepts. Automaton has 108530 states and 143995 transitions. Word has length 468 [2022-12-13 22:39:33,952 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 22:39:33,952 INFO L495 AbstractCegarLoop]: Abstraction has 108530 states and 143995 transitions. [2022-12-13 22:39:33,953 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 28.0) internal successors, (168), 3 states have internal predecessors, (168), 3 states have call successors, (44), 5 states have call predecessors, (44), 1 states have return successors, (42), 3 states have call predecessors, (42), 3 states have call successors, (42) [2022-12-13 22:39:33,953 INFO L276 IsEmpty]: Start isEmpty. Operand 108530 states and 143995 transitions. [2022-12-13 22:39:33,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 479 [2022-12-13 22:39:33,972 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 22:39:33,972 INFO L195 NwaCegarLoop]: trace histogram [23, 23, 14, 14, 14, 9, 9, 9, 9, 9, 9, 8, 8, 8, 7, 6, 6, 6, 6, 6, 6, 5, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 22:39:33,972 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2022-12-13 22:39:33,972 INFO L420 AbstractCegarLoop]: === Iteration 31 === 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 22:39:33,973 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 22:39:33,973 INFO L85 PathProgramCache]: Analyzing trace with hash 616306716, now seen corresponding path program 1 times [2022-12-13 22:39:33,973 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 22:39:33,973 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [113287663] [2022-12-13 22:39:33,973 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 22:39:33,973 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 22:39:34,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:39:34,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-12-13 22:39:34,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:39:34,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:39:34,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:39:34,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-12-13 22:39:34,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:39:34,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:39:34,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:39:34,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-12-13 22:39:34,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:39:34,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:39:34,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:39:34,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-12-13 22:39:34,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:39:34,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:39:34,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:39:34,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-12-13 22:39:34,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:39:34,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:39:34,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:39:34,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-12-13 22:39:34,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:39:34,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:39:34,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:39:34,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-12-13 22:39:34,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:39:34,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:39:34,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:39:34,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-12-13 22:39:34,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:39:34,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:39:34,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:39:34,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-12-13 22:39:34,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:39:34,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:39:34,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:39:34,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-12-13 22:39:34,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:39:34,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2022-12-13 22:39:34,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:39:34,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2022-12-13 22:39:34,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:39:34,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2022-12-13 22:39:34,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:39:34,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2022-12-13 22:39:34,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:39:34,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2022-12-13 22:39:34,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:39:34,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:39:34,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:39:34,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2022-12-13 22:39:34,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:39:34,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2022-12-13 22:39:34,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:39:34,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2022-12-13 22:39:34,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:39:34,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:39:34,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:39:34,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 22:39:34,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:39:34,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-12-13 22:39:34,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:39:34,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2022-12-13 22:39:34,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:39:34,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:39:34,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:39:34,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 22:39:34,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:39:34,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-12-13 22:39:34,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:39:34,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 237 [2022-12-13 22:39:34,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:39:34,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2022-12-13 22:39:34,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:39:34,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2022-12-13 22:39:34,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:39:34,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 280 [2022-12-13 22:39:34,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:39:34,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:39:34,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:39:34,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 292 [2022-12-13 22:39:34,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:39:34,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 299 [2022-12-13 22:39:34,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:39:34,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2022-12-13 22:39:34,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:39:34,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 327 [2022-12-13 22:39:34,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:39:34,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:39:34,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:39:34,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 340 [2022-12-13 22:39:34,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:39:34,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 357 [2022-12-13 22:39:34,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:39:34,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 369 [2022-12-13 22:39:34,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:39:34,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 375 [2022-12-13 22:39:34,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:39:34,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 387 [2022-12-13 22:39:34,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:39:34,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 405 [2022-12-13 22:39:34,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:39:34,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-12-13 22:39:34,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:39:34,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:39:34,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:39:34,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-12-13 22:39:34,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:39:34,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-12-13 22:39:34,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:39:34,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-12-13 22:39:34,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:39:34,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 453 [2022-12-13 22:39:34,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:39:34,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 464 [2022-12-13 22:39:34,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:39:34,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 468 [2022-12-13 22:39:34,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:39:34,567 INFO L134 CoverageAnalysis]: Checked inductivity of 1603 backedges. 97 proven. 0 refuted. 0 times theorem prover too weak. 1506 trivial. 0 not checked. [2022-12-13 22:39:34,567 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 22:39:34,567 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [113287663] [2022-12-13 22:39:34,567 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [113287663] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 22:39:34,567 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 22:39:34,567 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-12-13 22:39:34,567 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [10662751] [2022-12-13 22:39:34,567 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 22:39:34,568 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-12-13 22:39:34,568 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 22:39:34,568 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-12-13 22:39:34,568 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2022-12-13 22:39:34,568 INFO L87 Difference]: Start difference. First operand 108530 states and 143995 transitions. Second operand has 7 states, 7 states have (on average 25.142857142857142) internal successors, (176), 3 states have internal predecessors, (176), 3 states have call successors, (44), 6 states have call predecessors, (44), 1 states have return successors, (42), 3 states have call predecessors, (42), 3 states have call successors, (42) [2022-12-13 22:39:54,652 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 22:39:54,652 INFO L93 Difference]: Finished difference Result 228401 states and 303470 transitions. [2022-12-13 22:39:54,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-13 22:39:54,653 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 25.142857142857142) internal successors, (176), 3 states have internal predecessors, (176), 3 states have call successors, (44), 6 states have call predecessors, (44), 1 states have return successors, (42), 3 states have call predecessors, (42), 3 states have call successors, (42) Word has length 478 [2022-12-13 22:39:54,653 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 22:39:55,062 INFO L225 Difference]: With dead ends: 228401 [2022-12-13 22:39:55,062 INFO L226 Difference]: Without dead ends: 120063 [2022-12-13 22:39:55,286 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 126 GetRequests, 118 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-12-13 22:39:55,286 INFO L413 NwaCegarLoop]: 2286 mSDtfsCounter, 2300 mSDsluCounter, 4708 mSDsCounter, 0 mSdLazyCounter, 4532 mSolverCounterSat, 1732 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2454 SdHoareTripleChecker+Valid, 6994 SdHoareTripleChecker+Invalid, 6264 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1732 IncrementalHoareTripleChecker+Valid, 4532 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.6s IncrementalHoareTripleChecker+Time [2022-12-13 22:39:55,287 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2454 Valid, 6994 Invalid, 6264 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1732 Valid, 4532 Invalid, 0 Unknown, 0 Unchecked, 6.6s Time] [2022-12-13 22:39:55,386 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 120063 states. [2022-12-13 22:40:07,468 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 120063 to 115750. [2022-12-13 22:40:07,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 115750 states, 83380 states have (on average 1.254857279923243) internal successors, (104630), 84795 states have internal predecessors, (104630), 24400 states have call successors, (24400), 7932 states have call predecessors, (24400), 7968 states have return successors, (24538), 23628 states have call predecessors, (24538), 24400 states have call successors, (24538) [2022-12-13 22:40:07,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115750 states to 115750 states and 153568 transitions. [2022-12-13 22:40:07,846 INFO L78 Accepts]: Start accepts. Automaton has 115750 states and 153568 transitions. Word has length 478 [2022-12-13 22:40:07,847 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 22:40:07,847 INFO L495 AbstractCegarLoop]: Abstraction has 115750 states and 153568 transitions. [2022-12-13 22:40:07,847 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 25.142857142857142) internal successors, (176), 3 states have internal predecessors, (176), 3 states have call successors, (44), 6 states have call predecessors, (44), 1 states have return successors, (42), 3 states have call predecessors, (42), 3 states have call successors, (42) [2022-12-13 22:40:07,847 INFO L276 IsEmpty]: Start isEmpty. Operand 115750 states and 153568 transitions. [2022-12-13 22:40:07,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 488 [2022-12-13 22:40:07,868 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 22:40:07,868 INFO L195 NwaCegarLoop]: trace histogram [24, 24, 13, 13, 13, 9, 9, 9, 9, 9, 9, 8, 8, 8, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:40:07,868 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2022-12-13 22:40:07,869 INFO L420 AbstractCegarLoop]: === Iteration 32 === 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 22:40:07,869 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 22:40:07,869 INFO L85 PathProgramCache]: Analyzing trace with hash -1032709630, now seen corresponding path program 1 times [2022-12-13 22:40:07,869 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 22:40:07,869 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [978748196] [2022-12-13 22:40:07,869 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 22:40:07,869 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 22:40:07,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:40:08,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-12-13 22:40:08,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:40:08,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:40:08,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:40:08,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-12-13 22:40:08,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:40:08,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:40:08,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:40:08,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-12-13 22:40:08,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:40:08,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:40:08,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:40:08,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-12-13 22:40:08,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:40:08,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:40:08,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:40:08,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-12-13 22:40:08,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:40:08,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:40:08,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:40:08,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-12-13 22:40:08,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:40:08,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:40:08,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:40:08,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-12-13 22:40:08,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:40:08,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:40:08,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:40:08,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-12-13 22:40:08,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:40:08,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:40:08,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:40:08,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-12-13 22:40:08,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:40:08,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:40:08,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:40:08,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-12-13 22:40:08,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:40:08,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2022-12-13 22:40:08,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:40:08,202 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2022-12-13 22:40:08,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:40:08,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2022-12-13 22:40:08,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:40:08,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2022-12-13 22:40:08,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:40:08,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2022-12-13 22:40:08,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:40:08,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:40:08,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:40:08,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2022-12-13 22:40:08,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:40:08,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2022-12-13 22:40:08,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:40:08,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2022-12-13 22:40:08,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:40:08,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:40:08,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:40:08,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 22:40:08,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:40:08,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-12-13 22:40:08,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:40:08,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2022-12-13 22:40:08,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:40:08,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:40:08,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:40:08,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 22:40:08,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:40:08,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-12-13 22:40:08,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:40:08,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 237 [2022-12-13 22:40:08,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:40:08,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2022-12-13 22:40:08,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:40:08,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2022-12-13 22:40:08,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:40:08,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 280 [2022-12-13 22:40:08,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:40:08,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:40:08,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:40:08,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 292 [2022-12-13 22:40:08,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:40:08,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 299 [2022-12-13 22:40:08,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:40:08,259 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2022-12-13 22:40:08,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:40:08,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 327 [2022-12-13 22:40:08,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:40:08,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:40:08,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:40:08,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 342 [2022-12-13 22:40:08,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:40:08,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 364 [2022-12-13 22:40:08,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:40:08,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 383 [2022-12-13 22:40:08,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:40:08,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:40:08,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:40:08,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 396 [2022-12-13 22:40:08,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:40:08,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 414 [2022-12-13 22:40:08,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:40:08,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-12-13 22:40:08,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:40:08,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:40:08,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:40:08,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-12-13 22:40:08,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:40:08,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-12-13 22:40:08,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:40:08,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-12-13 22:40:08,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:40:08,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 462 [2022-12-13 22:40:08,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:40:08,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 473 [2022-12-13 22:40:08,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:40:08,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 477 [2022-12-13 22:40:08,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:40:08,374 INFO L134 CoverageAnalysis]: Checked inductivity of 1682 backedges. 106 proven. 0 refuted. 0 times theorem prover too weak. 1576 trivial. 0 not checked. [2022-12-13 22:40:08,374 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 22:40:08,374 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [978748196] [2022-12-13 22:40:08,374 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [978748196] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 22:40:08,374 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 22:40:08,374 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-12-13 22:40:08,374 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [412413280] [2022-12-13 22:40:08,374 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 22:40:08,374 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-12-13 22:40:08,375 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 22:40:08,375 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-12-13 22:40:08,375 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2022-12-13 22:40:08,375 INFO L87 Difference]: Start difference. First operand 115750 states and 153568 transitions. Second operand has 8 states, 8 states have (on average 21.25) internal successors, (170), 4 states have internal predecessors, (170), 3 states have call successors, (43), 5 states have call predecessors, (43), 2 states have return successors, (41), 4 states have call predecessors, (41), 3 states have call successors, (41) [2022-12-13 22:40:29,174 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 22:40:29,174 INFO L93 Difference]: Finished difference Result 244707 states and 324938 transitions. [2022-12-13 22:40:29,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-12-13 22:40:29,175 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 21.25) internal successors, (170), 4 states have internal predecessors, (170), 3 states have call successors, (43), 5 states have call predecessors, (43), 2 states have return successors, (41), 4 states have call predecessors, (41), 3 states have call successors, (41) Word has length 487 [2022-12-13 22:40:29,175 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 22:40:29,545 INFO L225 Difference]: With dead ends: 244707 [2022-12-13 22:40:29,545 INFO L226 Difference]: Without dead ends: 129149 [2022-12-13 22:40:29,733 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 128 GetRequests, 119 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2022-12-13 22:40:29,733 INFO L413 NwaCegarLoop]: 2261 mSDtfsCounter, 2821 mSDsluCounter, 6413 mSDsCounter, 0 mSdLazyCounter, 5659 mSolverCounterSat, 1840 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3059 SdHoareTripleChecker+Valid, 8674 SdHoareTripleChecker+Invalid, 7499 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1840 IncrementalHoareTripleChecker+Valid, 5659 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.3s IncrementalHoareTripleChecker+Time [2022-12-13 22:40:29,734 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3059 Valid, 8674 Invalid, 7499 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1840 Valid, 5659 Invalid, 0 Unknown, 0 Unchecked, 5.3s Time] [2022-12-13 22:40:29,831 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 129149 states. [2022-12-13 22:40:42,318 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 129149 to 117124. [2022-12-13 22:40:42,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 117124 states, 84298 states have (on average 1.2538613015729911) internal successors, (105698), 85743 states have internal predecessors, (105698), 24664 states have call successors, (24664), 8112 states have call predecessors, (24664), 8160 states have return successors, (24814), 23886 states have call predecessors, (24814), 24664 states have call successors, (24814) [2022-12-13 22:40:42,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117124 states to 117124 states and 155176 transitions. [2022-12-13 22:40:42,706 INFO L78 Accepts]: Start accepts. Automaton has 117124 states and 155176 transitions. Word has length 487 [2022-12-13 22:40:42,706 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 22:40:42,706 INFO L495 AbstractCegarLoop]: Abstraction has 117124 states and 155176 transitions. [2022-12-13 22:40:42,707 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 21.25) internal successors, (170), 4 states have internal predecessors, (170), 3 states have call successors, (43), 5 states have call predecessors, (43), 2 states have return successors, (41), 4 states have call predecessors, (41), 3 states have call successors, (41) [2022-12-13 22:40:42,707 INFO L276 IsEmpty]: Start isEmpty. Operand 117124 states and 155176 transitions. [2022-12-13 22:40:42,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 488 [2022-12-13 22:40:42,728 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 22:40:42,728 INFO L195 NwaCegarLoop]: trace histogram [24, 24, 13, 13, 13, 9, 9, 9, 9, 9, 9, 8, 8, 8, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:40:42,728 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2022-12-13 22:40:42,728 INFO L420 AbstractCegarLoop]: === Iteration 33 === 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 22:40:42,728 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 22:40:42,729 INFO L85 PathProgramCache]: Analyzing trace with hash -741891606, now seen corresponding path program 1 times [2022-12-13 22:40:42,729 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 22:40:42,729 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1319795077] [2022-12-13 22:40:42,729 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 22:40:42,729 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 22:40:42,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:40:42,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-12-13 22:40:42,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:40:42,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:40:42,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:40:42,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-12-13 22:40:42,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:40:42,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:40:42,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:40:42,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-12-13 22:40:42,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:40:42,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:40:42,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:40:42,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-12-13 22:40:42,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:40:42,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:40:42,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:40:42,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-12-13 22:40:42,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:40:42,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:40:42,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:40:42,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-12-13 22:40:42,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:40:43,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:40:43,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:40:43,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-12-13 22:40:43,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:40:43,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:40:43,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:40:43,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-12-13 22:40:43,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:40:43,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:40:43,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:40:43,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-12-13 22:40:43,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:40:43,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:40:43,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:40:43,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-12-13 22:40:43,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:40:43,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2022-12-13 22:40:43,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:40:43,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2022-12-13 22:40:43,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:40:43,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2022-12-13 22:40:43,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:40:43,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2022-12-13 22:40:43,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:40:43,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2022-12-13 22:40:43,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:40:43,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:40:43,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:40:43,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2022-12-13 22:40:43,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:40:43,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2022-12-13 22:40:43,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:40:43,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2022-12-13 22:40:43,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:40:43,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:40:43,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:40:43,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 22:40:43,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:40:43,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-12-13 22:40:43,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:40:43,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2022-12-13 22:40:43,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:40:43,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:40:43,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:40:43,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 22:40:43,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:40:43,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-12-13 22:40:43,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:40:43,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 237 [2022-12-13 22:40:43,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:40:43,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2022-12-13 22:40:43,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:40:43,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2022-12-13 22:40:43,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:40:43,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 280 [2022-12-13 22:40:43,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:40:43,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:40:43,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:40:43,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 292 [2022-12-13 22:40:43,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:40:43,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 299 [2022-12-13 22:40:43,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:40:43,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2022-12-13 22:40:43,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:40:43,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 327 [2022-12-13 22:40:43,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:40:43,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:40:43,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:40:43,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 342 [2022-12-13 22:40:43,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:40:43,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 364 [2022-12-13 22:40:43,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:40:43,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 383 [2022-12-13 22:40:43,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:40:43,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:40:43,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:40:43,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 397 [2022-12-13 22:40:43,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:40:43,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 414 [2022-12-13 22:40:43,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:40:43,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-12-13 22:40:43,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:40:43,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:40:43,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:40:43,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-12-13 22:40:43,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:40:43,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-12-13 22:40:43,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:40:43,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-12-13 22:40:43,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:40:43,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 462 [2022-12-13 22:40:43,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:40:43,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 473 [2022-12-13 22:40:43,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:40:43,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 477 [2022-12-13 22:40:43,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:40:43,206 INFO L134 CoverageAnalysis]: Checked inductivity of 1678 backedges. 101 proven. 0 refuted. 0 times theorem prover too weak. 1577 trivial. 0 not checked. [2022-12-13 22:40:43,206 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 22:40:43,206 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1319795077] [2022-12-13 22:40:43,206 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1319795077] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 22:40:43,206 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 22:40:43,207 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-12-13 22:40:43,207 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [161367267] [2022-12-13 22:40:43,207 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 22:40:43,207 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-12-13 22:40:43,207 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 22:40:43,207 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-12-13 22:40:43,208 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2022-12-13 22:40:43,208 INFO L87 Difference]: Start difference. First operand 117124 states and 155176 transitions. Second operand has 8 states, 8 states have (on average 21.125) internal successors, (169), 4 states have internal predecessors, (169), 3 states have call successors, (43), 5 states have call predecessors, (43), 2 states have return successors, (41), 4 states have call predecessors, (41), 3 states have call successors, (41) [2022-12-13 22:41:02,859 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 22:41:02,859 INFO L93 Difference]: Finished difference Result 246225 states and 326738 transitions. [2022-12-13 22:41:02,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-12-13 22:41:02,860 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 21.125) internal successors, (169), 4 states have internal predecessors, (169), 3 states have call successors, (43), 5 states have call predecessors, (43), 2 states have return successors, (41), 4 states have call predecessors, (41), 3 states have call successors, (41) Word has length 487 [2022-12-13 22:41:02,860 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 22:41:03,202 INFO L225 Difference]: With dead ends: 246225 [2022-12-13 22:41:03,203 INFO L226 Difference]: Without dead ends: 129293 [2022-12-13 22:41:03,386 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 128 GetRequests, 119 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2022-12-13 22:41:03,386 INFO L413 NwaCegarLoop]: 2309 mSDtfsCounter, 1992 mSDsluCounter, 6525 mSDsCounter, 0 mSdLazyCounter, 5846 mSolverCounterSat, 1070 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2230 SdHoareTripleChecker+Valid, 8834 SdHoareTripleChecker+Invalid, 6916 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1070 IncrementalHoareTripleChecker+Valid, 5846 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.1s IncrementalHoareTripleChecker+Time [2022-12-13 22:41:03,386 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2230 Valid, 8834 Invalid, 6916 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1070 Valid, 5846 Invalid, 0 Unknown, 0 Unchecked, 5.1s Time] [2022-12-13 22:41:03,484 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 129293 states. [2022-12-13 22:41:16,152 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 129293 to 117208. [2022-12-13 22:41:16,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 117208 states, 84358 states have (on average 1.2536807416012707) internal successors, (105758), 85803 states have internal predecessors, (105758), 24664 states have call successors, (24664), 8124 states have call predecessors, (24664), 8184 states have return successors, (24826), 23898 states have call predecessors, (24826), 24664 states have call successors, (24826) [2022-12-13 22:41:16,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117208 states to 117208 states and 155248 transitions. [2022-12-13 22:41:16,493 INFO L78 Accepts]: Start accepts. Automaton has 117208 states and 155248 transitions. Word has length 487 [2022-12-13 22:41:16,494 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 22:41:16,494 INFO L495 AbstractCegarLoop]: Abstraction has 117208 states and 155248 transitions. [2022-12-13 22:41:16,494 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 21.125) internal successors, (169), 4 states have internal predecessors, (169), 3 states have call successors, (43), 5 states have call predecessors, (43), 2 states have return successors, (41), 4 states have call predecessors, (41), 3 states have call successors, (41) [2022-12-13 22:41:16,494 INFO L276 IsEmpty]: Start isEmpty. Operand 117208 states and 155248 transitions. [2022-12-13 22:41:16,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 489 [2022-12-13 22:41:16,514 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 22:41:16,515 INFO L195 NwaCegarLoop]: trace histogram [24, 24, 13, 13, 13, 9, 9, 9, 9, 9, 9, 8, 8, 8, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:41:16,515 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2022-12-13 22:41:16,515 INFO L420 AbstractCegarLoop]: === Iteration 34 === 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 22:41:16,515 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 22:41:16,515 INFO L85 PathProgramCache]: Analyzing trace with hash -231509065, now seen corresponding path program 1 times [2022-12-13 22:41:16,515 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 22:41:16,515 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [223716393] [2022-12-13 22:41:16,516 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 22:41:16,516 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 22:41:16,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:41:16,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-12-13 22:41:16,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:41:16,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:41:16,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:41:16,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-12-13 22:41:16,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:41:16,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:41:16,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:41:16,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-12-13 22:41:16,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:41:16,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:41:16,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:41:16,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-12-13 22:41:16,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:41:16,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:41:16,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:41:16,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-12-13 22:41:16,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:41:16,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:41:16,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:41:16,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-12-13 22:41:16,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:41:16,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:41:16,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:41:16,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-12-13 22:41:16,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:41:16,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:41:16,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:41:16,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-12-13 22:41:16,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:41:16,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:41:16,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:41:16,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-12-13 22:41:16,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:41:16,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:41:16,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:41:16,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-12-13 22:41:16,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:41:16,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2022-12-13 22:41:16,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:41:16,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2022-12-13 22:41:16,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:41:16,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2022-12-13 22:41:16,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:41:16,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2022-12-13 22:41:16,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:41:16,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2022-12-13 22:41:16,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:41:16,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:41:16,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:41:16,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2022-12-13 22:41:16,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:41:16,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2022-12-13 22:41:16,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:41:16,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2022-12-13 22:41:16,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:41:16,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:41:16,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:41:16,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 22:41:16,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:41:16,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-12-13 22:41:16,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:41:16,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2022-12-13 22:41:16,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:41:16,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:41:16,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:41:16,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 22:41:16,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:41:16,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-12-13 22:41:16,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:41:16,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 237 [2022-12-13 22:41:16,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:41:16,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2022-12-13 22:41:16,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:41:16,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2022-12-13 22:41:16,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:41:16,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 280 [2022-12-13 22:41:16,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:41:16,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:41:16,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:41:16,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 292 [2022-12-13 22:41:16,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:41:16,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 299 [2022-12-13 22:41:16,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:41:16,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2022-12-13 22:41:16,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:41:16,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 327 [2022-12-13 22:41:16,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:41:16,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:41:16,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:41:16,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 342 [2022-12-13 22:41:16,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:41:16,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 364 [2022-12-13 22:41:16,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:41:16,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 383 [2022-12-13 22:41:16,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:41:16,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:41:16,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:41:16,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 398 [2022-12-13 22:41:16,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:41:17,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 415 [2022-12-13 22:41:17,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:41:17,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-12-13 22:41:17,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:41:17,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:41:17,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:41:17,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-12-13 22:41:17,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:41:17,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-12-13 22:41:17,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:41:17,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-12-13 22:41:17,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:41:17,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 463 [2022-12-13 22:41:17,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:41:17,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 474 [2022-12-13 22:41:17,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:41:17,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 478 [2022-12-13 22:41:17,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:41:17,073 INFO L134 CoverageAnalysis]: Checked inductivity of 1680 backedges. 127 proven. 28 refuted. 0 times theorem prover too weak. 1525 trivial. 0 not checked. [2022-12-13 22:41:17,073 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 22:41:17,073 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [223716393] [2022-12-13 22:41:17,073 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [223716393] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 22:41:17,073 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [302792803] [2022-12-13 22:41:17,073 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 22:41:17,073 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 22:41:17,074 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cbea5e4-53c0-4483-8cc3-85883e5d0796/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 22:41:17,074 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cbea5e4-53c0-4483-8cc3-85883e5d0796/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 22:41:17,075 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cbea5e4-53c0-4483-8cc3-85883e5d0796/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-12-13 22:41:17,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:41:17,684 INFO L263 TraceCheckSpWp]: Trace formula consists of 3807 conjuncts, 4 conjunts are in the unsatisfiable core [2022-12-13 22:41:17,700 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 22:41:17,769 INFO L134 CoverageAnalysis]: Checked inductivity of 1680 backedges. 384 proven. 0 refuted. 0 times theorem prover too weak. 1296 trivial. 0 not checked. [2022-12-13 22:41:17,769 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 22:41:17,769 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [302792803] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 22:41:17,769 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-13 22:41:17,770 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [11] total 13 [2022-12-13 22:41:17,770 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1591727432] [2022-12-13 22:41:17,770 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 22:41:17,770 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-13 22:41:17,770 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 22:41:17,771 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-13 22:41:17,771 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2022-12-13 22:41:17,771 INFO L87 Difference]: Start difference. First operand 117208 states and 155248 transitions. Second operand has 5 states, 5 states have (on average 35.0) internal successors, (175), 4 states have internal predecessors, (175), 3 states have call successors, (43), 3 states have call predecessors, (43), 4 states have return successors, (41), 4 states have call predecessors, (41), 3 states have call successors, (41) [2022-12-13 22:41:31,111 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 22:41:31,111 INFO L93 Difference]: Finished difference Result 241656 states and 320211 transitions. [2022-12-13 22:41:31,112 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-13 22:41:31,112 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 35.0) internal successors, (175), 4 states have internal predecessors, (175), 3 states have call successors, (43), 3 states have call predecessors, (43), 4 states have return successors, (41), 4 states have call predecessors, (41), 3 states have call successors, (41) Word has length 488 [2022-12-13 22:41:31,112 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 22:41:31,446 INFO L225 Difference]: With dead ends: 241656 [2022-12-13 22:41:31,446 INFO L226 Difference]: Without dead ends: 124640 [2022-12-13 22:41:31,656 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 615 GetRequests, 603 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=36, Invalid=146, Unknown=0, NotChecked=0, Total=182 [2022-12-13 22:41:31,656 INFO L413 NwaCegarLoop]: 2730 mSDtfsCounter, 1844 mSDsluCounter, 7147 mSDsCounter, 0 mSdLazyCounter, 115 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1844 SdHoareTripleChecker+Valid, 9877 SdHoareTripleChecker+Invalid, 142 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 115 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-13 22:41:31,656 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1844 Valid, 9877 Invalid, 142 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 115 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-13 22:41:31,752 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 124640 states. [2022-12-13 22:41:44,658 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 124640 to 124608. [2022-12-13 22:41:44,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 124608 states, 89773 states have (on average 1.2545531507246055) internal successors, (112625), 91294 states have internal predecessors, (112625), 26148 states have call successors, (26148), 8625 states have call predecessors, (26148), 8685 states have return successors, (26310), 25342 states have call predecessors, (26310), 26148 states have call successors, (26310) [2022-12-13 22:41:45,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124608 states to 124608 states and 165083 transitions. [2022-12-13 22:41:45,020 INFO L78 Accepts]: Start accepts. Automaton has 124608 states and 165083 transitions. Word has length 488 [2022-12-13 22:41:45,020 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 22:41:45,020 INFO L495 AbstractCegarLoop]: Abstraction has 124608 states and 165083 transitions. [2022-12-13 22:41:45,021 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 35.0) internal successors, (175), 4 states have internal predecessors, (175), 3 states have call successors, (43), 3 states have call predecessors, (43), 4 states have return successors, (41), 4 states have call predecessors, (41), 3 states have call successors, (41) [2022-12-13 22:41:45,021 INFO L276 IsEmpty]: Start isEmpty. Operand 124608 states and 165083 transitions. [2022-12-13 22:41:45,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 505 [2022-12-13 22:41:45,044 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 22:41:45,044 INFO L195 NwaCegarLoop]: trace histogram [23, 23, 15, 15, 15, 9, 9, 9, 9, 9, 9, 8, 8, 8, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 22:41:45,055 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cbea5e4-53c0-4483-8cc3-85883e5d0796/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-12-13 22:41:45,245 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cbea5e4-53c0-4483-8cc3-85883e5d0796/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable33 [2022-12-13 22:41:45,246 INFO L420 AbstractCegarLoop]: === Iteration 35 === 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 22:41:45,247 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 22:41:45,247 INFO L85 PathProgramCache]: Analyzing trace with hash -1941969988, now seen corresponding path program 1 times [2022-12-13 22:41:45,248 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 22:41:45,248 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [963452399] [2022-12-13 22:41:45,248 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 22:41:45,249 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 22:41:45,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:41:45,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-12-13 22:41:45,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:41:45,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:41:45,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:41:45,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-12-13 22:41:45,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:41:45,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:41:45,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:41:45,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-12-13 22:41:45,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:41:45,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:41:45,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:41:45,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-12-13 22:41:45,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:41:45,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:41:45,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:41:45,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-12-13 22:41:45,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:41:45,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:41:45,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:41:45,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-12-13 22:41:45,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:41:45,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:41:45,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:41:45,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-12-13 22:41:45,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:41:45,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:41:45,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:41:45,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-12-13 22:41:45,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:41:45,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:41:45,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:41:45,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-12-13 22:41:45,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:41:45,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:41:45,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:41:45,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-12-13 22:41:45,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:41:45,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2022-12-13 22:41:45,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:41:45,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2022-12-13 22:41:45,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:41:45,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2022-12-13 22:41:45,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:41:45,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2022-12-13 22:41:45,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:41:45,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2022-12-13 22:41:45,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:41:45,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:41:45,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:41:45,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2022-12-13 22:41:45,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:41:45,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2022-12-13 22:41:45,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:41:45,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2022-12-13 22:41:45,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:41:45,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:41:45,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:41:45,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 22:41:45,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:41:45,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-12-13 22:41:45,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:41:45,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2022-12-13 22:41:45,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:41:45,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:41:45,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:41:45,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 22:41:45,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:41:45,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-12-13 22:41:45,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:41:45,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 237 [2022-12-13 22:41:45,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:41:45,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2022-12-13 22:41:45,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:41:45,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2022-12-13 22:41:45,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:41:45,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 280 [2022-12-13 22:41:45,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:41:45,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:41:45,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:41:45,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 292 [2022-12-13 22:41:45,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:41:45,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 299 [2022-12-13 22:41:45,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:41:45,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2022-12-13 22:41:45,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:41:45,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 327 [2022-12-13 22:41:45,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:41:45,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:41:45,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:41:45,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 341 [2022-12-13 22:41:45,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:41:45,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 361 [2022-12-13 22:41:45,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:41:45,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:41:45,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:41:45,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:41:45,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:41:45,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 378 [2022-12-13 22:41:45,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:41:45,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 397 [2022-12-13 22:41:45,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:41:45,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:41:45,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:41:45,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:41:45,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:41:45,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 414 [2022-12-13 22:41:45,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:41:45,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 431 [2022-12-13 22:41:45,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:41:45,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-12-13 22:41:45,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:41:45,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:41:45,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:41:45,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-12-13 22:41:45,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:41:45,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-12-13 22:41:45,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:41:45,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-12-13 22:41:45,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:41:45,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 479 [2022-12-13 22:41:45,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:41:45,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 490 [2022-12-13 22:41:45,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:41:45,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 494 [2022-12-13 22:41:45,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:41:45,707 INFO L134 CoverageAnalysis]: Checked inductivity of 1726 backedges. 99 proven. 0 refuted. 0 times theorem prover too weak. 1627 trivial. 0 not checked. [2022-12-13 22:41:45,707 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 22:41:45,707 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [963452399] [2022-12-13 22:41:45,707 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [963452399] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 22:41:45,707 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 22:41:45,707 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-12-13 22:41:45,708 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1235774866] [2022-12-13 22:41:45,708 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 22:41:45,708 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-13 22:41:45,708 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 22:41:45,708 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 22:41:45,708 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2022-12-13 22:41:45,709 INFO L87 Difference]: Start difference. First operand 124608 states and 165083 transitions. Second operand has 6 states, 6 states have (on average 28.666666666666668) internal successors, (172), 3 states have internal predecessors, (172), 3 states have call successors, (45), 5 states have call predecessors, (45), 1 states have return successors, (43), 3 states have call predecessors, (43), 3 states have call successors, (43) [2022-12-13 22:42:06,007 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 22:42:06,007 INFO L93 Difference]: Finished difference Result 264274 states and 350827 transitions. [2022-12-13 22:42:06,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-13 22:42:06,008 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 28.666666666666668) internal successors, (172), 3 states have internal predecessors, (172), 3 states have call successors, (45), 5 states have call predecessors, (45), 1 states have return successors, (43), 3 states have call predecessors, (43), 3 states have call successors, (43) Word has length 504 [2022-12-13 22:42:06,009 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 22:42:06,398 INFO L225 Difference]: With dead ends: 264274 [2022-12-13 22:42:06,398 INFO L226 Difference]: Without dead ends: 139858 [2022-12-13 22:42:06,597 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 133 GetRequests, 127 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2022-12-13 22:42:06,597 INFO L413 NwaCegarLoop]: 2346 mSDtfsCounter, 2298 mSDsluCounter, 2648 mSDsCounter, 0 mSdLazyCounter, 2912 mSolverCounterSat, 1268 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2578 SdHoareTripleChecker+Valid, 4994 SdHoareTripleChecker+Invalid, 4180 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1268 IncrementalHoareTripleChecker+Valid, 2912 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.3s IncrementalHoareTripleChecker+Time [2022-12-13 22:42:06,598 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2578 Valid, 4994 Invalid, 4180 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1268 Valid, 2912 Invalid, 0 Unknown, 0 Unchecked, 4.3s Time] [2022-12-13 22:42:06,707 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 139858 states. [2022-12-13 22:42:20,692 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 139858 to 134663. [2022-12-13 22:42:20,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 134663 states, 96760 states have (on average 1.2540822653989252) internal successors, (121345), 98453 states have internal predecessors, (121345), 28517 states have call successors, (28517), 9318 states have call predecessors, (28517), 9384 states have return successors, (28685), 27587 states have call predecessors, (28685), 28517 states have call successors, (28685) [2022-12-13 22:42:21,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134663 states to 134663 states and 178547 transitions. [2022-12-13 22:42:21,121 INFO L78 Accepts]: Start accepts. Automaton has 134663 states and 178547 transitions. Word has length 504 [2022-12-13 22:42:21,122 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 22:42:21,122 INFO L495 AbstractCegarLoop]: Abstraction has 134663 states and 178547 transitions. [2022-12-13 22:42:21,122 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 28.666666666666668) internal successors, (172), 3 states have internal predecessors, (172), 3 states have call successors, (45), 5 states have call predecessors, (45), 1 states have return successors, (43), 3 states have call predecessors, (43), 3 states have call successors, (43) [2022-12-13 22:42:21,122 INFO L276 IsEmpty]: Start isEmpty. Operand 134663 states and 178547 transitions. [2022-12-13 22:42:21,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 506 [2022-12-13 22:42:21,147 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 22:42:21,148 INFO L195 NwaCegarLoop]: trace histogram [23, 23, 15, 15, 15, 9, 9, 9, 9, 9, 9, 8, 8, 8, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 22:42:21,148 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2022-12-13 22:42:21,148 INFO L420 AbstractCegarLoop]: === Iteration 36 === 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 22:42:21,148 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 22:42:21,148 INFO L85 PathProgramCache]: Analyzing trace with hash -1927248768, now seen corresponding path program 1 times [2022-12-13 22:42:21,148 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 22:42:21,149 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2087884153] [2022-12-13 22:42:21,149 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 22:42:21,149 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 22:42:21,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:42:21,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-12-13 22:42:21,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:42:21,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:42:21,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:42:21,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-12-13 22:42:21,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:42:21,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:42:21,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:42:21,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-12-13 22:42:21,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:42:21,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:42:21,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:42:21,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-12-13 22:42:21,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:42:21,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:42:21,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:42:21,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-12-13 22:42:21,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:42:21,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:42:21,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:42:21,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-12-13 22:42:21,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:42:21,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:42:21,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:42:21,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-12-13 22:42:21,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:42:21,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:42:21,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:42:21,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-12-13 22:42:21,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:42:21,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:42:21,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:42:21,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-12-13 22:42:21,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:42:21,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:42:21,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:42:21,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-12-13 22:42:21,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:42:21,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2022-12-13 22:42:21,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:42:21,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2022-12-13 22:42:21,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:42:21,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2022-12-13 22:42:21,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:42:21,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2022-12-13 22:42:21,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:42:21,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2022-12-13 22:42:21,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:42:21,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:42:21,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:42:21,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2022-12-13 22:42:21,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:42:21,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2022-12-13 22:42:21,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:42:21,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2022-12-13 22:42:21,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:42:21,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:42:21,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:42:21,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 22:42:21,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:42:21,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-12-13 22:42:21,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:42:21,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2022-12-13 22:42:21,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:42:21,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:42:21,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:42:21,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 22:42:21,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:42:21,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-12-13 22:42:21,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:42:21,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 237 [2022-12-13 22:42:21,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:42:21,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2022-12-13 22:42:21,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:42:21,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2022-12-13 22:42:21,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:42:21,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 280 [2022-12-13 22:42:21,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:42:21,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:42:21,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:42:21,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 292 [2022-12-13 22:42:21,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:42:21,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 299 [2022-12-13 22:42:21,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:42:21,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2022-12-13 22:42:21,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:42:21,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 327 [2022-12-13 22:42:21,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:42:21,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:42:21,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:42:21,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 341 [2022-12-13 22:42:21,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:42:21,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 361 [2022-12-13 22:42:21,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:42:21,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:42:21,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:42:21,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:42:21,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:42:21,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 378 [2022-12-13 22:42:21,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:42:21,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 397 [2022-12-13 22:42:21,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:42:21,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:42:21,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:42:21,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:42:21,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:42:21,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 414 [2022-12-13 22:42:21,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:42:21,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 432 [2022-12-13 22:42:21,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:42:21,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-12-13 22:42:21,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:42:21,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:42:21,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:42:21,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-12-13 22:42:21,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:42:21,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-12-13 22:42:21,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:42:21,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-12-13 22:42:21,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:42:21,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 480 [2022-12-13 22:42:21,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:42:21,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 491 [2022-12-13 22:42:21,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:42:21,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 495 [2022-12-13 22:42:21,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:42:21,852 INFO L134 CoverageAnalysis]: Checked inductivity of 1731 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1731 trivial. 0 not checked. [2022-12-13 22:42:21,852 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 22:42:21,852 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2087884153] [2022-12-13 22:42:21,852 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2087884153] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 22:42:21,852 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 22:42:21,853 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-12-13 22:42:21,853 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1627061543] [2022-12-13 22:42:21,853 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 22:42:21,853 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-12-13 22:42:21,853 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 22:42:21,853 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-12-13 22:42:21,854 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2022-12-13 22:42:21,854 INFO L87 Difference]: Start difference. First operand 134663 states and 178547 transitions. Second operand has 8 states, 8 states have (on average 19.75) internal successors, (158), 4 states have internal predecessors, (158), 2 states have call successors, (43), 6 states have call predecessors, (43), 1 states have return successors, (41), 2 states have call predecessors, (41), 2 states have call successors, (41) [2022-12-13 22:42:42,192 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 22:42:42,192 INFO L93 Difference]: Finished difference Result 139850 states and 185924 transitions. [2022-12-13 22:42:42,193 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-12-13 22:42:42,193 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 19.75) internal successors, (158), 4 states have internal predecessors, (158), 2 states have call successors, (43), 6 states have call predecessors, (43), 1 states have return successors, (41), 2 states have call predecessors, (41), 2 states have call successors, (41) Word has length 505 [2022-12-13 22:42:42,193 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 22:42:42,553 INFO L225 Difference]: With dead ends: 139850 [2022-12-13 22:42:42,553 INFO L226 Difference]: Without dead ends: 139848 [2022-12-13 22:42:42,594 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 137 GetRequests, 127 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=47, Invalid=85, Unknown=0, NotChecked=0, Total=132 [2022-12-13 22:42:42,595 INFO L413 NwaCegarLoop]: 1472 mSDtfsCounter, 2389 mSDsluCounter, 4332 mSDsCounter, 0 mSdLazyCounter, 3761 mSolverCounterSat, 1224 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2591 SdHoareTripleChecker+Valid, 5804 SdHoareTripleChecker+Invalid, 4985 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1224 IncrementalHoareTripleChecker+Valid, 3761 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.7s IncrementalHoareTripleChecker+Time [2022-12-13 22:42:42,595 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2591 Valid, 5804 Invalid, 4985 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1224 Valid, 3761 Invalid, 0 Unknown, 0 Unchecked, 4.7s Time] [2022-12-13 22:42:42,699 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 139848 states. [2022-12-13 22:42:56,810 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 139848 to 134661. [2022-12-13 22:42:56,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 134661 states, 96759 states have (on average 1.252596657675255) internal successors, (121200), 98451 states have internal predecessors, (121200), 28517 states have call successors, (28517), 9318 states have call predecessors, (28517), 9384 states have return successors, (28685), 27587 states have call predecessors, (28685), 28517 states have call successors, (28685) [2022-12-13 22:42:57,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134661 states to 134661 states and 178402 transitions. [2022-12-13 22:42:57,223 INFO L78 Accepts]: Start accepts. Automaton has 134661 states and 178402 transitions. Word has length 505 [2022-12-13 22:42:57,224 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 22:42:57,224 INFO L495 AbstractCegarLoop]: Abstraction has 134661 states and 178402 transitions. [2022-12-13 22:42:57,224 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 19.75) internal successors, (158), 4 states have internal predecessors, (158), 2 states have call successors, (43), 6 states have call predecessors, (43), 1 states have return successors, (41), 2 states have call predecessors, (41), 2 states have call successors, (41) [2022-12-13 22:42:57,224 INFO L276 IsEmpty]: Start isEmpty. Operand 134661 states and 178402 transitions. [2022-12-13 22:42:57,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 533 [2022-12-13 22:42:57,259 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 22:42:57,259 INFO L195 NwaCegarLoop]: trace histogram [23, 23, 16, 16, 16, 9, 9, 9, 9, 9, 9, 8, 8, 8, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 22:42:57,259 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2022-12-13 22:42:57,259 INFO L420 AbstractCegarLoop]: === Iteration 37 === 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 22:42:57,259 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 22:42:57,260 INFO L85 PathProgramCache]: Analyzing trace with hash 1179811755, now seen corresponding path program 1 times [2022-12-13 22:42:57,260 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 22:42:57,260 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [329091987] [2022-12-13 22:42:57,260 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 22:42:57,260 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 22:42:57,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:42:57,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-12-13 22:42:57,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:42:57,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:42:57,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:42:57,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-12-13 22:42:57,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:42:57,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:42:57,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:42:57,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-12-13 22:42:57,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:42:57,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:42:57,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:42:57,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-12-13 22:42:57,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:42:57,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:42:57,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:42:57,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-12-13 22:42:57,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:42:57,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:42:57,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:42:57,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-12-13 22:42:57,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:42:57,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:42:57,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:42:57,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-12-13 22:42:57,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:42:57,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:42:57,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:42:57,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-12-13 22:42:57,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:42:57,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:42:57,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:42:57,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-12-13 22:42:57,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:42:57,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:42:57,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:42:57,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-12-13 22:42:57,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:42:57,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2022-12-13 22:42:57,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:42:57,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2022-12-13 22:42:57,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:42:57,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2022-12-13 22:42:57,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:42:57,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2022-12-13 22:42:57,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:42:57,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2022-12-13 22:42:57,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:42:57,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:42:57,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:42:57,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2022-12-13 22:42:57,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:42:57,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2022-12-13 22:42:57,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:42:57,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2022-12-13 22:42:57,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:42:57,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:42:57,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:42:57,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 22:42:57,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:42:57,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-12-13 22:42:57,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:42:57,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2022-12-13 22:42:57,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:42:57,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:42:57,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:42:57,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 22:42:57,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:42:57,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-12-13 22:42:57,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:42:57,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 237 [2022-12-13 22:42:57,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:42:57,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2022-12-13 22:42:57,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:42:57,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2022-12-13 22:42:57,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:42:57,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 280 [2022-12-13 22:42:57,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:42:57,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:42:57,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:42:57,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 292 [2022-12-13 22:42:57,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:42:57,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 299 [2022-12-13 22:42:57,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:42:57,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2022-12-13 22:42:57,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:42:57,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 327 [2022-12-13 22:42:57,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:42:57,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:42:57,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:42:57,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 341 [2022-12-13 22:42:57,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:42:57,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 361 [2022-12-13 22:42:57,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:42:57,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:42:57,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:42:57,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:42:57,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:42:57,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 378 [2022-12-13 22:42:57,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:42:57,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 397 [2022-12-13 22:42:57,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:42:57,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:42:57,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:42:57,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:42:57,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:42:57,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 414 [2022-12-13 22:42:57,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:42:57,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 432 [2022-12-13 22:42:57,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:42:57,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-12-13 22:42:57,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:42:57,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:42:57,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:42:57,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-12-13 22:42:57,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:42:57,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-12-13 22:42:57,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:42:57,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-12-13 22:42:57,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:42:57,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 480 [2022-12-13 22:42:57,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:42:57,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 491 [2022-12-13 22:42:57,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:42:57,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 495 [2022-12-13 22:42:57,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:42:57,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 500 [2022-12-13 22:42:57,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:42:57,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-12-13 22:42:57,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:42:57,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-12-13 22:42:57,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:42:57,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 518 [2022-12-13 22:42:57,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:42:57,818 INFO L134 CoverageAnalysis]: Checked inductivity of 1791 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1791 trivial. 0 not checked. [2022-12-13 22:42:57,818 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 22:42:57,818 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [329091987] [2022-12-13 22:42:57,818 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [329091987] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 22:42:57,818 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 22:42:57,818 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-12-13 22:42:57,818 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [137062733] [2022-12-13 22:42:57,818 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 22:42:57,819 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-12-13 22:42:57,819 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 22:42:57,819 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-12-13 22:42:57,819 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2022-12-13 22:42:57,819 INFO L87 Difference]: Start difference. First operand 134661 states and 178402 transitions. Second operand has 7 states, 6 states have (on average 29.0) internal successors, (174), 3 states have internal predecessors, (174), 4 states have call successors, (47), 6 states have call predecessors, (47), 1 states have return successors, (45), 2 states have call predecessors, (45), 3 states have call successors, (45) [2022-12-13 22:43:17,170 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 22:43:17,170 INFO L93 Difference]: Finished difference Result 269693 states and 357807 transitions. [2022-12-13 22:43:17,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-13 22:43:17,171 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 29.0) internal successors, (174), 3 states have internal predecessors, (174), 4 states have call successors, (47), 6 states have call predecessors, (47), 1 states have return successors, (45), 2 states have call predecessors, (45), 3 states have call successors, (45) Word has length 532 [2022-12-13 22:43:17,171 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 22:43:17,591 INFO L225 Difference]: With dead ends: 269693 [2022-12-13 22:43:17,591 INFO L226 Difference]: Without dead ends: 135055 [2022-12-13 22:43:17,806 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 145 GetRequests, 136 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2022-12-13 22:43:17,806 INFO L413 NwaCegarLoop]: 1165 mSDtfsCounter, 2893 mSDsluCounter, 1570 mSDsCounter, 0 mSdLazyCounter, 1764 mSolverCounterSat, 1779 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3059 SdHoareTripleChecker+Valid, 2735 SdHoareTripleChecker+Invalid, 3543 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1779 IncrementalHoareTripleChecker+Valid, 1764 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2022-12-13 22:43:17,807 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3059 Valid, 2735 Invalid, 3543 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1779 Valid, 1764 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2022-12-13 22:43:17,911 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 135055 states. [2022-12-13 22:43:32,140 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 135055 to 129868. [2022-12-13 22:43:32,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 129868 states, 94309 states have (on average 1.248608298253613) internal successors, (117755), 96001 states have internal predecessors, (117755), 26281 states have call successors, (26281), 9211 states have call predecessors, (26281), 9277 states have return successors, (26449), 25351 states have call predecessors, (26449), 26281 states have call successors, (26449) [2022-12-13 22:43:32,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129868 states to 129868 states and 170485 transitions. [2022-12-13 22:43:32,532 INFO L78 Accepts]: Start accepts. Automaton has 129868 states and 170485 transitions. Word has length 532 [2022-12-13 22:43:32,532 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 22:43:32,532 INFO L495 AbstractCegarLoop]: Abstraction has 129868 states and 170485 transitions. [2022-12-13 22:43:32,533 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 29.0) internal successors, (174), 3 states have internal predecessors, (174), 4 states have call successors, (47), 6 states have call predecessors, (47), 1 states have return successors, (45), 2 states have call predecessors, (45), 3 states have call successors, (45) [2022-12-13 22:43:32,533 INFO L276 IsEmpty]: Start isEmpty. Operand 129868 states and 170485 transitions. [2022-12-13 22:43:32,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 533 [2022-12-13 22:43:32,563 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 22:43:32,564 INFO L195 NwaCegarLoop]: trace histogram [23, 23, 16, 16, 16, 9, 9, 9, 9, 9, 9, 8, 8, 8, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 22:43:32,564 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36 [2022-12-13 22:43:32,564 INFO L420 AbstractCegarLoop]: === Iteration 38 === 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 22:43:32,564 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 22:43:32,564 INFO L85 PathProgramCache]: Analyzing trace with hash 1859870125, now seen corresponding path program 1 times [2022-12-13 22:43:32,564 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 22:43:32,564 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1339628332] [2022-12-13 22:43:32,565 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 22:43:32,565 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 22:43:32,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:43:32,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-12-13 22:43:32,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:43:32,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:43:32,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:43:32,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-12-13 22:43:32,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:43:32,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:43:32,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:43:32,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-12-13 22:43:32,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:43:32,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:43:32,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:43:32,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-12-13 22:43:32,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:43:32,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:43:32,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:43:32,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-12-13 22:43:32,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:43:32,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:43:32,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:43:32,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-12-13 22:43:32,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:43:32,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:43:32,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:43:32,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-12-13 22:43:32,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:43:32,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:43:32,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:43:32,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-12-13 22:43:32,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:43:32,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:43:32,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:43:32,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-12-13 22:43:32,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:43:32,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:43:32,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:43:32,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-12-13 22:43:32,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:43:32,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2022-12-13 22:43:32,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:43:32,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2022-12-13 22:43:32,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:43:32,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2022-12-13 22:43:32,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:43:32,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2022-12-13 22:43:32,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:43:32,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2022-12-13 22:43:32,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:43:32,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:43:32,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:43:32,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2022-12-13 22:43:32,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:43:32,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2022-12-13 22:43:32,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:43:32,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2022-12-13 22:43:32,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:43:32,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:43:32,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:43:32,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 22:43:32,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:43:32,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-12-13 22:43:32,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:43:32,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2022-12-13 22:43:32,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:43:32,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:43:32,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:43:32,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 22:43:32,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:43:32,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-12-13 22:43:32,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:43:33,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 237 [2022-12-13 22:43:33,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:43:33,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2022-12-13 22:43:33,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:43:33,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2022-12-13 22:43:33,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:43:33,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 280 [2022-12-13 22:43:33,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:43:33,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:43:33,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:43:33,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 292 [2022-12-13 22:43:33,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:43:33,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 299 [2022-12-13 22:43:33,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:43:33,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2022-12-13 22:43:33,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:43:33,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 327 [2022-12-13 22:43:33,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:43:33,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:43:33,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:43:33,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 341 [2022-12-13 22:43:33,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:43:33,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 361 [2022-12-13 22:43:33,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:43:33,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:43:33,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:43:33,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:43:33,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:43:33,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 378 [2022-12-13 22:43:33,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:43:33,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 397 [2022-12-13 22:43:33,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:43:33,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:43:33,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:43:33,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:43:33,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:43:33,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 414 [2022-12-13 22:43:33,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:43:33,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 432 [2022-12-13 22:43:33,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:43:33,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-12-13 22:43:33,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:43:33,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:43:33,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:43:33,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-12-13 22:43:33,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:43:33,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-12-13 22:43:33,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:43:33,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-12-13 22:43:33,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:43:33,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 480 [2022-12-13 22:43:33,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:43:33,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 491 [2022-12-13 22:43:33,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:43:33,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 495 [2022-12-13 22:43:33,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:43:33,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 500 [2022-12-13 22:43:33,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:43:33,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-12-13 22:43:33,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:43:33,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-12-13 22:43:33,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:43:33,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 518 [2022-12-13 22:43:33,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:43:33,160 INFO L134 CoverageAnalysis]: Checked inductivity of 1791 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1791 trivial. 0 not checked. [2022-12-13 22:43:33,160 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 22:43:33,160 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1339628332] [2022-12-13 22:43:33,161 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1339628332] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 22:43:33,161 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 22:43:33,161 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-12-13 22:43:33,161 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1864671927] [2022-12-13 22:43:33,161 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 22:43:33,161 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-12-13 22:43:33,161 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 22:43:33,162 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-12-13 22:43:33,162 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2022-12-13 22:43:33,162 INFO L87 Difference]: Start difference. First operand 129868 states and 170485 transitions. Second operand has 9 states, 8 states have (on average 21.75) internal successors, (174), 4 states have internal predecessors, (174), 3 states have call successors, (47), 7 states have call predecessors, (47), 2 states have return successors, (45), 2 states have call predecessors, (45), 3 states have call successors, (45) [2022-12-13 22:43:54,805 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 22:43:54,805 INFO L93 Difference]: Finished difference Result 135055 states and 177862 transitions. [2022-12-13 22:43:54,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-12-13 22:43:54,806 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 21.75) internal successors, (174), 4 states have internal predecessors, (174), 3 states have call successors, (47), 7 states have call predecessors, (47), 2 states have return successors, (45), 2 states have call predecessors, (45), 3 states have call successors, (45) Word has length 532 [2022-12-13 22:43:54,806 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 22:43:54,815 INFO L225 Difference]: With dead ends: 135055 [2022-12-13 22:43:54,815 INFO L226 Difference]: Without dead ends: 0 [2022-12-13 22:43:54,998 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 153 GetRequests, 138 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=88, Invalid=184, Unknown=0, NotChecked=0, Total=272 [2022-12-13 22:43:54,999 INFO L413 NwaCegarLoop]: 1142 mSDtfsCounter, 1497 mSDsluCounter, 5577 mSDsCounter, 0 mSdLazyCounter, 6430 mSolverCounterSat, 1035 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1592 SdHoareTripleChecker+Valid, 6719 SdHoareTripleChecker+Invalid, 7465 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1035 IncrementalHoareTripleChecker+Valid, 6430 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.7s IncrementalHoareTripleChecker+Time [2022-12-13 22:43:54,999 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1592 Valid, 6719 Invalid, 7465 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1035 Valid, 6430 Invalid, 0 Unknown, 0 Unchecked, 5.7s Time] [2022-12-13 22:43:54,999 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-12-13 22:43:55,000 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-12-13 22:43:55,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 22:43:55,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-12-13 22:43:55,008 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 532 [2022-12-13 22:43:55,008 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 22:43:55,008 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-12-13 22:43:55,008 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 21.75) internal successors, (174), 4 states have internal predecessors, (174), 3 states have call successors, (47), 7 states have call predecessors, (47), 2 states have return successors, (45), 2 states have call predecessors, (45), 3 states have call successors, (45) [2022-12-13 22:43:55,009 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-12-13 22:43:55,009 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-12-13 22:43:55,011 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 3 remaining) [2022-12-13 22:43:55,012 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (1 of 3 remaining) [2022-12-13 22:43:55,012 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 3 remaining) [2022-12-13 22:43:55,012 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37 [2022-12-13 22:43:55,014 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.