./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-adm8211.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_f858fa83-bfa6-4043-b9df-bf9384a95ff4/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f858fa83-bfa6-4043-b9df-bf9384a95ff4/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_f858fa83-bfa6-4043-b9df-bf9384a95ff4/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f858fa83-bfa6-4043-b9df-bf9384a95ff4/bin/uautomizer-uyxdKDjOR8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-adm8211.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f858fa83-bfa6-4043-b9df-bf9384a95ff4/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_f858fa83-bfa6-4043-b9df-bf9384a95ff4/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 265e49c3377c52c97dc3fc0a083b7daee63958176975b73f1e1d54651892cb04 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-2329fc7 [2022-12-13 12:23:55,420 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 12:23:55,422 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 12:23:55,442 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 12:23:55,443 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 12:23:55,444 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 12:23:55,445 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 12:23:55,446 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 12:23:55,448 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 12:23:55,449 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 12:23:55,449 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 12:23:55,450 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 12:23:55,451 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 12:23:55,452 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 12:23:55,453 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 12:23:55,458 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 12:23:55,459 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 12:23:55,460 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 12:23:55,461 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 12:23:55,463 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 12:23:55,464 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 12:23:55,465 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 12:23:55,466 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 12:23:55,467 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 12:23:55,470 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 12:23:55,470 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 12:23:55,471 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 12:23:55,472 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 12:23:55,472 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 12:23:55,473 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 12:23:55,473 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 12:23:55,474 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 12:23:55,474 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 12:23:55,475 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 12:23:55,476 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 12:23:55,476 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 12:23:55,476 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 12:23:55,476 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 12:23:55,476 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 12:23:55,477 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 12:23:55,477 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 12:23:55,478 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f858fa83-bfa6-4043-b9df-bf9384a95ff4/bin/uautomizer-uyxdKDjOR8/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-12-13 12:23:55,497 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 12:23:55,497 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 12:23:55,497 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 12:23:55,497 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 12:23:55,498 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-13 12:23:55,498 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-13 12:23:55,499 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 12:23:55,499 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 12:23:55,499 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 12:23:55,499 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 12:23:55,499 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-13 12:23:55,499 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 12:23:55,499 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-13 12:23:55,499 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-13 12:23:55,500 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-13 12:23:55,500 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 12:23:55,500 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 12:23:55,500 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-13 12:23:55,500 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 12:23:55,500 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 12:23:55,500 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-13 12:23:55,500 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 12:23:55,501 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 12:23:55,501 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-13 12:23:55,501 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-13 12:23:55,501 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-13 12:23:55,501 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-13 12:23:55,501 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-12-13 12:23:55,501 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-13 12:23:55,501 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-12-13 12:23:55,502 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-13 12:23:55,502 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2022-12-13 12:23:55,502 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_f858fa83-bfa6-4043-b9df-bf9384a95ff4/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f858fa83-bfa6-4043-b9df-bf9384a95ff4/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 265e49c3377c52c97dc3fc0a083b7daee63958176975b73f1e1d54651892cb04 [2022-12-13 12:23:55,680 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 12:23:55,698 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 12:23:55,700 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 12:23:55,701 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 12:23:55,701 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 12:23:55,702 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f858fa83-bfa6-4043-b9df-bf9384a95ff4/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-adm8211.cil.i [2022-12-13 12:23:58,346 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 12:23:58,754 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 12:23:58,755 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f858fa83-bfa6-4043-b9df-bf9384a95ff4/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-adm8211.cil.i [2022-12-13 12:23:58,781 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f858fa83-bfa6-4043-b9df-bf9384a95ff4/bin/uautomizer-uyxdKDjOR8/data/a122cf62f/86f4d473b9c942de93a7dc7dc98ec7bf/FLAGe3206058b [2022-12-13 12:23:58,794 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f858fa83-bfa6-4043-b9df-bf9384a95ff4/bin/uautomizer-uyxdKDjOR8/data/a122cf62f/86f4d473b9c942de93a7dc7dc98ec7bf [2022-12-13 12:23:58,796 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 12:23:58,798 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 12:23:58,799 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 12:23:58,799 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 12:23:58,802 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 12:23:58,803 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 12:23:58" (1/1) ... [2022-12-13 12:23:58,804 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1610585 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:23:58, skipping insertion in model container [2022-12-13 12:23:58,804 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 12:23:58" (1/1) ... [2022-12-13 12:23:58,810 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 12:23:58,961 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 12:23:59,495 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock [2022-12-13 12:23:59,506 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock [2022-12-13 12:23:59,518 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock_irqrestore [2022-12-13 12:23:59,600 WARN L623 FunctionHandler]: Unknown extern function pci_bus_read_config_byte [2022-12-13 12:23:59,607 WARN L623 FunctionHandler]: Unknown extern function pci_bus_read_config_dword [2022-12-13 12:23:59,694 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 12:23:59,758 WARN L623 FunctionHandler]: Unknown extern function __phys_addr [2022-12-13 12:23:59,763 WARN L623 FunctionHandler]: Unknown extern function __phys_addr [2022-12-13 12:23:59,764 WARN L623 FunctionHandler]: Unknown extern function debug_dma_map_page [2022-12-13 12:23:59,772 WARN L623 FunctionHandler]: Unknown extern function debug_dma_unmap_page [2022-12-13 12:23:59,780 WARN L623 FunctionHandler]: Unknown extern function debug_dma_sync_single_for_cpu [2022-12-13 12:23:59,787 WARN L623 FunctionHandler]: Unknown extern function debug_dma_sync_single_for_device [2022-12-13 12:23:59,819 WARN L623 FunctionHandler]: Unknown extern function debug_dma_alloc_coherent [2022-12-13 12:23:59,826 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-12-13 12:23:59,829 WARN L623 FunctionHandler]: Unknown extern function debug_dma_free_coherent [2022-12-13 12:23:59,835 WARN L623 FunctionHandler]: Unknown extern function dma_supported [2022-12-13 12:23:59,875 WARN L623 FunctionHandler]: Unknown extern function dma_set_mask [2022-12-13 12:23:59,949 WARN L623 FunctionHandler]: Unknown extern function __netdev_alloc_skb [2022-12-13 12:23:59,977 WARN L623 FunctionHandler]: Unknown extern function request_threaded_irq [2022-12-13 12:24:00,013 WARN L623 FunctionHandler]: Unknown extern function get_random_bytes [2022-12-13 12:24:00,082 WARN L623 FunctionHandler]: Unknown extern function __compiletime_assert_768 [2022-12-13 12:24:00,082 WARN L623 FunctionHandler]: Unknown extern function __compiletime_assert_770 [2022-12-13 12:24:00,082 WARN L623 FunctionHandler]: Unknown extern function __compiletime_assert_771 [2022-12-13 12:24:00,083 WARN L623 FunctionHandler]: Unknown extern function __compiletime_assert_777 [2022-12-13 12:24:00,097 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-12-13 12:24:00,144 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-13 12:24:00,149 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-13 12:24:00,150 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-13 12:24:00,155 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-13 12:24:00,156 WARN L623 FunctionHandler]: Unknown extern function eeprom_93cx6_multiread [2022-12-13 12:24:00,158 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:24:00,160 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:24:00,160 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:24:00,162 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:24:00,163 WARN L623 FunctionHandler]: Unknown extern function __compiletime_assert_186 [2022-12-13 12:24:00,165 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:24:00,167 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:24:00,168 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:24:00,173 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-13 12:24:00,173 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-13 12:24:00,174 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-13 12:24:00,174 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-13 12:24:00,174 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-13 12:24:00,174 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-13 12:24:00,179 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-13 12:24:00,182 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-13 12:24:00,188 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-13 12:24:00,189 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-13 12:24:00,203 WARN L623 FunctionHandler]: Unknown extern function skb_pull [2022-12-13 12:24:00,203 WARN L623 FunctionHandler]: Unknown extern function skb_push [2022-12-13 12:24:00,204 WARN L623 FunctionHandler]: Unknown extern function ieee80211_tx_status_irqsafe [2022-12-13 12:24:00,205 WARN L623 FunctionHandler]: Unknown extern function ieee80211_wake_queue [2022-12-13 12:24:00,213 WARN L623 FunctionHandler]: Unknown extern function net_ratelimit [2022-12-13 12:24:00,213 WARN L623 FunctionHandler]: Unknown extern function dev_printk [2022-12-13 12:24:00,217 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-12-13 12:24:00,219 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-12-13 12:24:00,224 WARN L623 FunctionHandler]: Unknown extern function ieee80211_rx_irqsafe [2022-12-13 12:24:00,232 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-13 12:24:00,232 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-13 12:24:00,234 WARN L623 FunctionHandler]: Unknown extern function dev_printk [2022-12-13 12:24:00,235 WARN L623 FunctionHandler]: Unknown extern function dev_printk [2022-12-13 12:24:00,237 WARN L623 FunctionHandler]: Unknown extern function dev_printk [2022-12-13 12:24:00,238 WARN L623 FunctionHandler]: Unknown extern function dev_printk [2022-12-13 12:24:00,240 WARN L623 FunctionHandler]: Unknown extern function dev_printk [2022-12-13 12:24:00,242 WARN L623 FunctionHandler]: Unknown extern function dev_printk [2022-12-13 12:24:00,243 WARN L623 FunctionHandler]: Unknown extern function dev_printk [2022-12-13 12:24:00,244 WARN L623 FunctionHandler]: Unknown extern function dev_printk [2022-12-13 12:24:00,246 WARN L623 FunctionHandler]: Unknown extern function dev_printk [2022-12-13 12:24:00,247 WARN L623 FunctionHandler]: Unknown extern function dev_printk [2022-12-13 12:24:00,249 WARN L623 FunctionHandler]: Unknown extern function dev_printk [2022-12-13 12:24:00,250 WARN L623 FunctionHandler]: Unknown extern function dev_printk [2022-12-13 12:24:00,252 WARN L623 FunctionHandler]: Unknown extern function dev_printk [2022-12-13 12:24:00,253 WARN L623 FunctionHandler]: Unknown extern function dev_printk [2022-12-13 12:24:00,255 WARN L623 FunctionHandler]: Unknown extern function dev_printk [2022-12-13 12:24:00,256 WARN L623 FunctionHandler]: Unknown extern function dev_printk [2022-12-13 12:24:00,258 WARN L623 FunctionHandler]: Unknown extern function dev_printk [2022-12-13 12:24:00,265 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-13 12:24:00,265 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-13 12:24:00,265 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-13 12:24:00,266 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-13 12:24:00,266 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-13 12:24:00,266 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-13 12:24:00,267 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-13 12:24:00,267 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-13 12:24:00,268 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-13 12:24:00,268 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-13 12:24:00,268 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-13 12:24:00,269 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-13 12:24:00,269 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-13 12:24:00,269 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-13 12:24:00,270 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-13 12:24:00,270 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-13 12:24:00,276 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-13 12:24:00,276 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-13 12:24:00,276 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-13 12:24:00,277 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-13 12:24:00,277 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-13 12:24:00,277 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-13 12:24:00,278 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-13 12:24:00,278 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-13 12:24:00,278 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-13 12:24:00,279 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-13 12:24:00,279 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-13 12:24:00,279 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-13 12:24:00,280 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-13 12:24:00,280 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-13 12:24:00,280 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-13 12:24:00,281 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-13 12:24:00,286 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-13 12:24:00,287 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-13 12:24:00,287 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-13 12:24:00,287 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-13 12:24:00,288 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-13 12:24:00,288 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-13 12:24:00,289 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-13 12:24:00,289 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-13 12:24:00,289 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-13 12:24:00,290 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-13 12:24:00,290 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-13 12:24:00,290 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-13 12:24:00,291 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-13 12:24:00,291 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-13 12:24:00,297 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-13 12:24:00,297 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-13 12:24:00,298 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-13 12:24:00,298 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-13 12:24:00,299 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-13 12:24:00,299 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-13 12:24:00,299 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-13 12:24:00,299 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-13 12:24:00,300 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-13 12:24:00,300 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-13 12:24:00,300 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-13 12:24:00,301 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-13 12:24:00,301 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-13 12:24:00,301 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-13 12:24:00,307 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-13 12:24:00,308 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-13 12:24:00,308 WARN L623 FunctionHandler]: Unknown extern function dev_printk [2022-12-13 12:24:00,310 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-13 12:24:00,310 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-13 12:24:00,310 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-13 12:24:00,311 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-13 12:24:00,311 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-13 12:24:00,311 WARN L623 FunctionHandler]: Unknown extern function dev_printk [2022-12-13 12:24:00,318 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-13 12:24:00,319 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-13 12:24:00,319 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-13 12:24:00,320 WARN L623 FunctionHandler]: Unknown extern function dev_printk [2022-12-13 12:24:00,321 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-13 12:24:00,322 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-13 12:24:00,322 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-13 12:24:00,323 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-13 12:24:00,323 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-13 12:24:00,323 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-13 12:24:00,324 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-13 12:24:00,324 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-13 12:24:00,325 WARN L623 FunctionHandler]: Unknown extern function dev_printk [2022-12-13 12:24:00,325 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-13 12:24:00,326 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-13 12:24:00,326 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-13 12:24:00,330 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-13 12:24:00,331 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-13 12:24:00,331 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-13 12:24:00,332 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-13 12:24:00,342 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-13 12:24:00,342 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-13 12:24:00,342 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-13 12:24:00,343 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-13 12:24:00,343 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-13 12:24:00,343 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-13 12:24:00,343 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-13 12:24:00,344 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-13 12:24:00,344 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-13 12:24:00,345 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-13 12:24:00,345 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-13 12:24:00,345 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-13 12:24:00,346 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-13 12:24:00,346 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-13 12:24:00,346 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-13 12:24:00,346 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-13 12:24:00,347 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-13 12:24:00,347 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-13 12:24:00,351 WARN L623 FunctionHandler]: Unknown extern function dev_printk [2022-12-13 12:24:00,352 WARN L623 FunctionHandler]: Unknown extern function dev_printk [2022-12-13 12:24:00,353 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-13 12:24:00,353 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-13 12:24:00,353 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-13 12:24:00,361 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-13 12:24:00,361 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-13 12:24:00,361 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-13 12:24:00,367 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-13 12:24:00,367 WARN L623 FunctionHandler]: Unknown extern function pci_set_mwi [2022-12-13 12:24:00,368 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-13 12:24:00,369 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-13 12:24:00,369 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-13 12:24:00,369 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-13 12:24:00,370 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-13 12:24:00,370 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-13 12:24:00,370 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-13 12:24:00,371 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-13 12:24:00,371 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-13 12:24:00,371 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-13 12:24:00,371 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-13 12:24:00,372 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-13 12:24:00,372 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-13 12:24:00,372 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-13 12:24:00,372 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-13 12:24:00,372 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-13 12:24:00,373 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-13 12:24:00,373 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-13 12:24:00,374 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-13 12:24:00,383 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-13 12:24:00,383 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-13 12:24:00,384 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-13 12:24:00,384 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-13 12:24:00,384 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-13 12:24:00,384 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-13 12:24:00,385 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-13 12:24:00,385 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-13 12:24:00,385 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-13 12:24:00,386 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-13 12:24:00,386 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-13 12:24:00,391 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-13 12:24:00,392 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-13 12:24:00,392 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-13 12:24:00,392 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-13 12:24:00,393 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-13 12:24:00,393 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-13 12:24:00,394 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-13 12:24:00,394 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-13 12:24:00,395 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-13 12:24:00,395 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-13 12:24:00,395 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-13 12:24:00,396 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-13 12:24:00,396 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-13 12:24:00,401 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-13 12:24:00,402 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-13 12:24:00,407 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-13 12:24:00,413 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-13 12:24:00,413 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-13 12:24:00,414 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-13 12:24:00,420 WARN L623 FunctionHandler]: Unknown extern function ieee80211_frequency_to_channel [2022-12-13 12:24:00,429 WARN L623 FunctionHandler]: Unknown extern function crc32_le [2022-12-13 12:24:00,430 WARN L623 FunctionHandler]: Unknown extern function bitrev32 [2022-12-13 12:24:00,437 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-13 12:24:00,437 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-13 12:24:00,438 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 12:24:00,438 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-13 12:24:00,438 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-13 12:24:00,439 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-13 12:24:00,440 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-13 12:24:00,446 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-13 12:24:00,447 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-13 12:24:00,447 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-13 12:24:00,447 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-13 12:24:00,448 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-13 12:24:00,448 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-13 12:24:00,461 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-13 12:24:00,462 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-13 12:24:00,468 WARN L623 FunctionHandler]: Unknown extern function consume_skb [2022-12-13 12:24:00,469 WARN L623 FunctionHandler]: Unknown extern function consume_skb [2022-12-13 12:24:00,475 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 12:24:00,476 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 12:24:00,477 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 12:24:00,477 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-13 12:24:00,477 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-13 12:24:00,483 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-13 12:24:00,483 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-13 12:24:00,483 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-13 12:24:00,496 WARN L623 FunctionHandler]: Unknown extern function ieee80211_stop_queue [2022-12-13 12:24:00,497 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-13 12:24:00,504 WARN L623 FunctionHandler]: Unknown extern function ieee80211_hdrlen [2022-12-13 12:24:00,504 WARN L623 FunctionHandler]: Unknown extern function skb_pull [2022-12-13 12:24:00,504 WARN L623 FunctionHandler]: Unknown extern function skb_push [2022-12-13 12:24:00,513 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 12:24:00,520 WARN L623 FunctionHandler]: Unknown extern function pci_enable_device [2022-12-13 12:24:00,520 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:24:00,522 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:24:00,523 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:24:00,523 WARN L623 FunctionHandler]: Unknown extern function pci_request_regions [2022-12-13 12:24:00,524 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:24:00,524 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:24:00,525 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:24:00,525 WARN L623 FunctionHandler]: Unknown extern function pci_set_master [2022-12-13 12:24:00,526 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:24:00,527 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-12-13 12:24:00,527 WARN L623 FunctionHandler]: Unknown extern function pci_iomap [2022-12-13 12:24:00,527 WARN L623 FunctionHandler]: Unknown extern function pci_iomap [2022-12-13 12:24:00,528 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:24:00,529 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:24:00,529 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-13 12:24:00,529 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-13 12:24:00,530 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:24:00,531 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-13 12:24:00,531 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-13 12:24:00,531 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-13 12:24:00,532 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-13 12:24:00,532 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-13 12:24:00,532 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:24:00,533 WARN L623 FunctionHandler]: Unknown extern function ieee80211_register_hw [2022-12-13 12:24:00,533 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:24:00,533 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-12-13 12:24:00,534 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 12:24:00,534 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 12:24:00,534 WARN L623 FunctionHandler]: Unknown extern function pci_iounmap [2022-12-13 12:24:00,535 WARN L623 FunctionHandler]: Unknown extern function pci_release_regions [2022-12-13 12:24:00,535 WARN L623 FunctionHandler]: Unknown extern function pci_disable_device [2022-12-13 12:24:00,540 WARN L623 FunctionHandler]: Unknown extern function ieee80211_unregister_hw [2022-12-13 12:24:00,541 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 12:24:00,541 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 12:24:00,541 WARN L623 FunctionHandler]: Unknown extern function pci_iounmap [2022-12-13 12:24:00,542 WARN L623 FunctionHandler]: Unknown extern function pci_release_regions [2022-12-13 12:24:00,542 WARN L623 FunctionHandler]: Unknown extern function pci_disable_device [2022-12-13 12:24:00,547 WARN L623 FunctionHandler]: Unknown extern function pci_save_state [2022-12-13 12:24:00,547 WARN L623 FunctionHandler]: Unknown extern function pci_choose_state [2022-12-13 12:24:00,547 WARN L623 FunctionHandler]: Unknown extern function pci_set_power_state [2022-12-13 12:24:00,552 WARN L623 FunctionHandler]: Unknown extern function pci_set_power_state [2022-12-13 12:24:00,553 WARN L623 FunctionHandler]: Unknown extern function pci_restore_state [2022-12-13 12:24:00,739 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 12:24:00,740 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 12:24:00,740 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 12:24:00,740 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 12:24:00,740 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 12:24:00,740 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 12:24:00,740 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 12:24:00,740 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 12:24:00,741 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 12:24:00,741 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 12:24:00,742 WARN L623 FunctionHandler]: Unknown extern function ldv_initialize [2022-12-13 12:24:00,746 WARN L623 FunctionHandler]: Unknown extern function rtnl_lock [2022-12-13 12:24:00,746 WARN L623 FunctionHandler]: Unknown extern function rtnl_unlock [2022-12-13 12:24:00,746 WARN L623 FunctionHandler]: Unknown extern function rtnl_lock [2022-12-13 12:24:00,747 WARN L623 FunctionHandler]: Unknown extern function rtnl_unlock [2022-12-13 12:24:00,751 WARN L623 FunctionHandler]: Unknown extern function ldv_switch_to_interrupt_context [2022-12-13 12:24:00,751 WARN L623 FunctionHandler]: Unknown extern function ldv_switch_to_process_context [2022-12-13 12:24:00,754 WARN L623 FunctionHandler]: Unknown extern function ldv_pre_probe [2022-12-13 12:24:00,758 WARN L623 FunctionHandler]: Unknown extern function free_irq [2022-12-13 12:24:00,758 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-12-13 12:24:00,759 WARN L623 FunctionHandler]: Unknown extern function ieee80211_alloc_hw [2022-12-13 12:24:00,759 WARN L623 FunctionHandler]: Unknown extern function ieee80211_free_hw [2022-12-13 12:24:00,759 WARN L623 FunctionHandler]: Unknown extern function ieee80211_free_hw [2022-12-13 12:24:00,759 WARN L623 FunctionHandler]: Unknown extern function __pci_register_driver [2022-12-13 12:24:00,760 WARN L623 FunctionHandler]: Unknown extern function pci_unregister_driver [2022-12-13 12:24:00,802 WARN L623 FunctionHandler]: Unknown extern function ldv_check_alloc_flags [2022-12-13 12:24:00,802 WARN L623 FunctionHandler]: Unknown extern function ldv_after_alloc [2022-12-13 12:24:00,810 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-13 12:24:01,248 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_f858fa83-bfa6-4043-b9df-bf9384a95ff4/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-adm8211.cil.i[372884,372897] [2022-12-13 12:24:01,251 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_f858fa83-bfa6-4043-b9df-bf9384a95ff4/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-adm8211.cil.i[373053,373066] [2022-12-13 12:24:01,251 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_f858fa83-bfa6-4043-b9df-bf9384a95ff4/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-adm8211.cil.i[373220,373233] [2022-12-13 12:24:01,252 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_f858fa83-bfa6-4043-b9df-bf9384a95ff4/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-adm8211.cil.i[373388,373401] [2022-12-13 12:24:01,252 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 12:24:01,253 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 12:24:01,260 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 12:24:01,261 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 12:24:01,262 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 12:24:01,262 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 12:24:01,263 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 12:24:01,284 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 12:24:01,375 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock [2022-12-13 12:24:01,375 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock [2022-12-13 12:24:01,375 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock_irqrestore [2022-12-13 12:24:01,376 WARN L623 FunctionHandler]: Unknown extern function pci_bus_read_config_byte [2022-12-13 12:24:01,379 WARN L623 FunctionHandler]: Unknown extern function pci_bus_read_config_dword [2022-12-13 12:24:01,381 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 12:24:01,385 WARN L623 FunctionHandler]: Unknown extern function __phys_addr [2022-12-13 12:24:01,385 WARN L623 FunctionHandler]: Unknown extern function __phys_addr [2022-12-13 12:24:01,386 WARN L623 FunctionHandler]: Unknown extern function debug_dma_map_page [2022-12-13 12:24:01,387 WARN L623 FunctionHandler]: Unknown extern function debug_dma_unmap_page [2022-12-13 12:24:01,387 WARN L623 FunctionHandler]: Unknown extern function debug_dma_sync_single_for_cpu [2022-12-13 12:24:01,388 WARN L623 FunctionHandler]: Unknown extern function debug_dma_sync_single_for_device [2022-12-13 12:24:01,390 WARN L623 FunctionHandler]: Unknown extern function debug_dma_alloc_coherent [2022-12-13 12:24:01,390 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-12-13 12:24:01,391 WARN L623 FunctionHandler]: Unknown extern function debug_dma_free_coherent [2022-12-13 12:24:01,391 WARN L623 FunctionHandler]: Unknown extern function dma_supported [2022-12-13 12:24:01,394 WARN L623 FunctionHandler]: Unknown extern function dma_set_mask [2022-12-13 12:24:01,395 WARN L623 FunctionHandler]: Unknown extern function __netdev_alloc_skb [2022-12-13 12:24:01,395 WARN L623 FunctionHandler]: Unknown extern function request_threaded_irq [2022-12-13 12:24:01,396 WARN L623 FunctionHandler]: Unknown extern function get_random_bytes [2022-12-13 12:24:01,398 WARN L623 FunctionHandler]: Unknown extern function __compiletime_assert_768 [2022-12-13 12:24:01,399 WARN L623 FunctionHandler]: Unknown extern function __compiletime_assert_770 [2022-12-13 12:24:01,399 WARN L623 FunctionHandler]: Unknown extern function __compiletime_assert_771 [2022-12-13 12:24:01,399 WARN L623 FunctionHandler]: Unknown extern function __compiletime_assert_777 [2022-12-13 12:24:01,400 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-12-13 12:24:01,402 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-13 12:24:01,404 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-13 12:24:01,404 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-13 12:24:01,405 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-13 12:24:01,406 WARN L623 FunctionHandler]: Unknown extern function eeprom_93cx6_multiread [2022-12-13 12:24:01,407 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:24:01,407 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:24:01,408 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:24:01,408 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:24:01,409 WARN L623 FunctionHandler]: Unknown extern function __compiletime_assert_186 [2022-12-13 12:24:01,410 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:24:01,410 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:24:01,411 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:24:01,412 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-13 12:24:01,412 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-13 12:24:01,412 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-13 12:24:01,412 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-13 12:24:01,412 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-13 12:24:01,412 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-13 12:24:01,413 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-13 12:24:01,414 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-13 12:24:01,414 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-13 12:24:01,415 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-13 12:24:01,416 WARN L623 FunctionHandler]: Unknown extern function skb_pull [2022-12-13 12:24:01,416 WARN L623 FunctionHandler]: Unknown extern function skb_push [2022-12-13 12:24:01,416 WARN L623 FunctionHandler]: Unknown extern function ieee80211_tx_status_irqsafe [2022-12-13 12:24:01,417 WARN L623 FunctionHandler]: Unknown extern function ieee80211_wake_queue [2022-12-13 12:24:01,418 WARN L623 FunctionHandler]: Unknown extern function net_ratelimit [2022-12-13 12:24:01,418 WARN L623 FunctionHandler]: Unknown extern function dev_printk [2022-12-13 12:24:01,419 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-12-13 12:24:01,420 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-12-13 12:24:01,422 WARN L623 FunctionHandler]: Unknown extern function ieee80211_rx_irqsafe [2022-12-13 12:24:01,423 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-13 12:24:01,423 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-13 12:24:01,424 WARN L623 FunctionHandler]: Unknown extern function dev_printk [2022-12-13 12:24:01,424 WARN L623 FunctionHandler]: Unknown extern function dev_printk [2022-12-13 12:24:01,425 WARN L623 FunctionHandler]: Unknown extern function dev_printk [2022-12-13 12:24:01,425 WARN L623 FunctionHandler]: Unknown extern function dev_printk [2022-12-13 12:24:01,426 WARN L623 FunctionHandler]: Unknown extern function dev_printk [2022-12-13 12:24:01,427 WARN L623 FunctionHandler]: Unknown extern function dev_printk [2022-12-13 12:24:01,427 WARN L623 FunctionHandler]: Unknown extern function dev_printk [2022-12-13 12:24:01,428 WARN L623 FunctionHandler]: Unknown extern function dev_printk [2022-12-13 12:24:01,428 WARN L623 FunctionHandler]: Unknown extern function dev_printk [2022-12-13 12:24:01,429 WARN L623 FunctionHandler]: Unknown extern function dev_printk [2022-12-13 12:24:01,429 WARN L623 FunctionHandler]: Unknown extern function dev_printk [2022-12-13 12:24:01,430 WARN L623 FunctionHandler]: Unknown extern function dev_printk [2022-12-13 12:24:01,431 WARN L623 FunctionHandler]: Unknown extern function dev_printk [2022-12-13 12:24:01,431 WARN L623 FunctionHandler]: Unknown extern function dev_printk [2022-12-13 12:24:01,432 WARN L623 FunctionHandler]: Unknown extern function dev_printk [2022-12-13 12:24:01,432 WARN L623 FunctionHandler]: Unknown extern function dev_printk [2022-12-13 12:24:01,433 WARN L623 FunctionHandler]: Unknown extern function dev_printk [2022-12-13 12:24:01,434 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-13 12:24:01,434 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-13 12:24:01,434 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-13 12:24:01,434 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-13 12:24:01,434 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-13 12:24:01,434 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-13 12:24:01,435 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-13 12:24:01,435 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-13 12:24:01,435 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-13 12:24:01,435 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-13 12:24:01,435 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-13 12:24:01,436 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-13 12:24:01,436 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-13 12:24:01,436 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-13 12:24:01,436 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-13 12:24:01,436 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-13 12:24:01,437 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-13 12:24:01,437 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-13 12:24:01,437 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-13 12:24:01,437 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-13 12:24:01,437 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-13 12:24:01,438 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-13 12:24:01,438 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-13 12:24:01,438 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-13 12:24:01,438 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-13 12:24:01,438 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-13 12:24:01,438 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-13 12:24:01,439 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-13 12:24:01,439 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-13 12:24:01,439 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-13 12:24:01,439 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-13 12:24:01,439 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-13 12:24:01,440 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-13 12:24:01,440 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-13 12:24:01,440 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-13 12:24:01,440 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-13 12:24:01,441 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-13 12:24:01,441 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-13 12:24:01,441 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-13 12:24:01,441 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-13 12:24:01,441 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-13 12:24:01,441 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-13 12:24:01,442 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-13 12:24:01,442 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-13 12:24:01,442 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-13 12:24:01,442 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-13 12:24:01,443 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-13 12:24:01,443 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-13 12:24:01,443 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-13 12:24:01,443 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-13 12:24:01,443 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-13 12:24:01,443 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-13 12:24:01,444 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-13 12:24:01,444 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-13 12:24:01,444 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-13 12:24:01,444 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-13 12:24:01,457 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-13 12:24:01,457 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-13 12:24:01,457 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-13 12:24:01,458 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-13 12:24:01,458 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-13 12:24:01,458 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-13 12:24:01,459 WARN L623 FunctionHandler]: Unknown extern function dev_printk [2022-12-13 12:24:01,459 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-13 12:24:01,460 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-13 12:24:01,460 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-13 12:24:01,460 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-13 12:24:01,460 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-13 12:24:01,460 WARN L623 FunctionHandler]: Unknown extern function dev_printk [2022-12-13 12:24:01,462 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-13 12:24:01,463 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-13 12:24:01,463 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-13 12:24:01,464 WARN L623 FunctionHandler]: Unknown extern function dev_printk [2022-12-13 12:24:01,464 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-13 12:24:01,464 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-13 12:24:01,465 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-13 12:24:01,465 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-13 12:24:01,465 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-13 12:24:01,465 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-13 12:24:01,466 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-13 12:24:01,466 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-13 12:24:01,466 WARN L623 FunctionHandler]: Unknown extern function dev_printk [2022-12-13 12:24:01,467 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-13 12:24:01,467 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-13 12:24:01,467 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-13 12:24:01,468 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-13 12:24:01,468 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-13 12:24:01,468 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-13 12:24:01,469 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-13 12:24:01,470 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-13 12:24:01,470 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-13 12:24:01,470 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-13 12:24:01,471 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-13 12:24:01,471 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-13 12:24:01,471 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-13 12:24:01,471 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-13 12:24:01,471 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-13 12:24:01,472 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-13 12:24:01,472 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-13 12:24:01,472 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-13 12:24:01,472 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-13 12:24:01,473 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-13 12:24:01,473 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-13 12:24:01,473 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-13 12:24:01,473 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-13 12:24:01,473 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-13 12:24:01,473 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-13 12:24:01,476 WARN L623 FunctionHandler]: Unknown extern function dev_printk [2022-12-13 12:24:01,476 WARN L623 FunctionHandler]: Unknown extern function dev_printk [2022-12-13 12:24:01,477 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-13 12:24:01,477 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-13 12:24:01,477 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-13 12:24:01,478 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-13 12:24:01,479 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-13 12:24:01,479 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-13 12:24:01,479 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-13 12:24:01,480 WARN L623 FunctionHandler]: Unknown extern function pci_set_mwi [2022-12-13 12:24:01,480 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-13 12:24:01,480 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-13 12:24:01,480 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-13 12:24:01,481 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-13 12:24:01,481 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-13 12:24:01,481 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-13 12:24:01,481 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-13 12:24:01,481 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-13 12:24:01,481 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-13 12:24:01,482 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-13 12:24:01,482 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-13 12:24:01,482 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-13 12:24:01,482 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-13 12:24:01,482 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-13 12:24:01,482 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-13 12:24:01,482 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-13 12:24:01,482 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-13 12:24:01,483 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-13 12:24:01,483 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-13 12:24:01,483 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-13 12:24:01,483 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-13 12:24:01,483 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-13 12:24:01,483 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-13 12:24:01,483 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-13 12:24:01,483 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-13 12:24:01,484 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-13 12:24:01,484 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-13 12:24:01,484 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-13 12:24:01,484 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-13 12:24:01,484 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-13 12:24:01,485 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-13 12:24:01,485 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-13 12:24:01,485 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-13 12:24:01,485 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-13 12:24:01,485 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-13 12:24:01,486 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-13 12:24:01,486 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-13 12:24:01,486 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-13 12:24:01,486 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-13 12:24:01,486 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-13 12:24:01,487 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-13 12:24:01,487 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-13 12:24:01,487 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-13 12:24:01,487 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-13 12:24:01,487 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-13 12:24:01,488 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-13 12:24:01,488 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-13 12:24:01,488 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-13 12:24:01,489 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-13 12:24:01,489 WARN L623 FunctionHandler]: Unknown extern function ieee80211_frequency_to_channel [2022-12-13 12:24:01,490 WARN L623 FunctionHandler]: Unknown extern function crc32_le [2022-12-13 12:24:01,490 WARN L623 FunctionHandler]: Unknown extern function bitrev32 [2022-12-13 12:24:01,492 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-13 12:24:01,493 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-13 12:24:01,493 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 12:24:01,493 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-13 12:24:01,493 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-13 12:24:01,493 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-13 12:24:01,494 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-13 12:24:01,495 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-13 12:24:01,495 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-13 12:24:01,495 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-13 12:24:01,495 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-13 12:24:01,495 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-13 12:24:01,495 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-13 12:24:01,497 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-13 12:24:01,498 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-13 12:24:01,498 WARN L623 FunctionHandler]: Unknown extern function consume_skb [2022-12-13 12:24:01,499 WARN L623 FunctionHandler]: Unknown extern function consume_skb [2022-12-13 12:24:01,499 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 12:24:01,500 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 12:24:01,500 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 12:24:01,500 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-13 12:24:01,500 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-13 12:24:01,501 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-13 12:24:01,501 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-13 12:24:01,501 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-13 12:24:01,502 WARN L623 FunctionHandler]: Unknown extern function ieee80211_stop_queue [2022-12-13 12:24:01,503 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-13 12:24:01,504 WARN L623 FunctionHandler]: Unknown extern function ieee80211_hdrlen [2022-12-13 12:24:01,504 WARN L623 FunctionHandler]: Unknown extern function skb_pull [2022-12-13 12:24:01,505 WARN L623 FunctionHandler]: Unknown extern function skb_push [2022-12-13 12:24:01,506 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 12:24:01,508 WARN L623 FunctionHandler]: Unknown extern function pci_enable_device [2022-12-13 12:24:01,508 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:24:01,509 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:24:01,509 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:24:01,509 WARN L623 FunctionHandler]: Unknown extern function pci_request_regions [2022-12-13 12:24:01,510 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:24:01,510 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:24:01,510 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:24:01,510 WARN L623 FunctionHandler]: Unknown extern function pci_set_master [2022-12-13 12:24:01,511 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:24:01,511 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-12-13 12:24:01,511 WARN L623 FunctionHandler]: Unknown extern function pci_iomap [2022-12-13 12:24:01,511 WARN L623 FunctionHandler]: Unknown extern function pci_iomap [2022-12-13 12:24:01,512 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:24:01,512 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:24:01,512 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-13 12:24:01,512 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-13 12:24:01,513 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:24:01,513 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-13 12:24:01,513 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-13 12:24:01,514 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-13 12:24:01,514 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-13 12:24:01,514 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-13 12:24:01,514 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:24:01,514 WARN L623 FunctionHandler]: Unknown extern function ieee80211_register_hw [2022-12-13 12:24:01,514 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:24:01,515 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-12-13 12:24:01,515 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 12:24:01,515 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 12:24:01,515 WARN L623 FunctionHandler]: Unknown extern function pci_iounmap [2022-12-13 12:24:01,515 WARN L623 FunctionHandler]: Unknown extern function pci_release_regions [2022-12-13 12:24:01,516 WARN L623 FunctionHandler]: Unknown extern function pci_disable_device [2022-12-13 12:24:01,516 WARN L623 FunctionHandler]: Unknown extern function ieee80211_unregister_hw [2022-12-13 12:24:01,517 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 12:24:01,517 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 12:24:01,517 WARN L623 FunctionHandler]: Unknown extern function pci_iounmap [2022-12-13 12:24:01,517 WARN L623 FunctionHandler]: Unknown extern function pci_release_regions [2022-12-13 12:24:01,517 WARN L623 FunctionHandler]: Unknown extern function pci_disable_device [2022-12-13 12:24:01,518 WARN L623 FunctionHandler]: Unknown extern function pci_save_state [2022-12-13 12:24:01,518 WARN L623 FunctionHandler]: Unknown extern function pci_choose_state [2022-12-13 12:24:01,518 WARN L623 FunctionHandler]: Unknown extern function pci_set_power_state [2022-12-13 12:24:01,518 WARN L623 FunctionHandler]: Unknown extern function pci_set_power_state [2022-12-13 12:24:01,518 WARN L623 FunctionHandler]: Unknown extern function pci_restore_state [2022-12-13 12:24:01,521 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 12:24:01,522 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 12:24:01,522 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 12:24:01,522 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 12:24:01,522 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 12:24:01,522 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 12:24:01,522 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 12:24:01,522 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 12:24:01,522 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 12:24:01,523 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 12:24:01,524 WARN L623 FunctionHandler]: Unknown extern function ldv_initialize [2022-12-13 12:24:01,526 WARN L623 FunctionHandler]: Unknown extern function rtnl_lock [2022-12-13 12:24:01,526 WARN L623 FunctionHandler]: Unknown extern function rtnl_unlock [2022-12-13 12:24:01,526 WARN L623 FunctionHandler]: Unknown extern function rtnl_lock [2022-12-13 12:24:01,527 WARN L623 FunctionHandler]: Unknown extern function rtnl_unlock [2022-12-13 12:24:01,529 WARN L623 FunctionHandler]: Unknown extern function ldv_switch_to_interrupt_context [2022-12-13 12:24:01,529 WARN L623 FunctionHandler]: Unknown extern function ldv_switch_to_process_context [2022-12-13 12:24:01,532 WARN L623 FunctionHandler]: Unknown extern function ldv_pre_probe [2022-12-13 12:24:01,535 WARN L623 FunctionHandler]: Unknown extern function free_irq [2022-12-13 12:24:01,535 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-12-13 12:24:01,536 WARN L623 FunctionHandler]: Unknown extern function ieee80211_alloc_hw [2022-12-13 12:24:01,536 WARN L623 FunctionHandler]: Unknown extern function ieee80211_free_hw [2022-12-13 12:24:01,536 WARN L623 FunctionHandler]: Unknown extern function ieee80211_free_hw [2022-12-13 12:24:01,536 WARN L623 FunctionHandler]: Unknown extern function __pci_register_driver [2022-12-13 12:24:01,537 WARN L623 FunctionHandler]: Unknown extern function pci_unregister_driver [2022-12-13 12:24:01,539 WARN L623 FunctionHandler]: Unknown extern function ldv_check_alloc_flags [2022-12-13 12:24:01,539 WARN L623 FunctionHandler]: Unknown extern function ldv_after_alloc [2022-12-13 12:24:01,539 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-13 12:24:01,553 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_f858fa83-bfa6-4043-b9df-bf9384a95ff4/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-adm8211.cil.i[372884,372897] [2022-12-13 12:24:01,553 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_f858fa83-bfa6-4043-b9df-bf9384a95ff4/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-adm8211.cil.i[373053,373066] [2022-12-13 12:24:01,553 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_f858fa83-bfa6-4043-b9df-bf9384a95ff4/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-adm8211.cil.i[373220,373233] [2022-12-13 12:24:01,554 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_f858fa83-bfa6-4043-b9df-bf9384a95ff4/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-adm8211.cil.i[373388,373401] [2022-12-13 12:24:01,554 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 12:24:01,556 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 12:24:01,558 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 12:24:01,559 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 12:24:01,559 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 12:24:01,560 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 12:24:01,560 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 12:24:01,647 INFO L208 MainTranslator]: Completed translation [2022-12-13 12:24:01,647 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:24:01 WrapperNode [2022-12-13 12:24:01,647 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 12:24:01,648 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 12:24:01,648 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 12:24:01,648 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 12:24:01,654 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:24:01" (1/1) ... [2022-12-13 12:24:01,711 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:24:01" (1/1) ... [2022-12-13 12:24:01,889 INFO L138 Inliner]: procedures = 411, calls = 2809, calls flagged for inlining = 214, calls inlined = 198, statements flattened = 6107 [2022-12-13 12:24:01,889 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 12:24:01,890 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 12:24:01,890 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 12:24:01,890 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 12:24:01,899 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:24:01" (1/1) ... [2022-12-13 12:24:01,900 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:24:01" (1/1) ... [2022-12-13 12:24:01,923 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:24:01" (1/1) ... [2022-12-13 12:24:01,923 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:24:01" (1/1) ... [2022-12-13 12:24:02,053 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:24:01" (1/1) ... [2022-12-13 12:24:02,072 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:24:01" (1/1) ... [2022-12-13 12:24:02,109 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:24:01" (1/1) ... [2022-12-13 12:24:02,120 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:24:01" (1/1) ... [2022-12-13 12:24:02,164 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 12:24:02,164 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 12:24:02,164 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 12:24:02,164 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 12:24:02,165 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:24:01" (1/1) ... [2022-12-13 12:24:02,170 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 12:24:02,177 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f858fa83-bfa6-4043-b9df-bf9384a95ff4/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 12:24:02,188 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f858fa83-bfa6-4043-b9df-bf9384a95ff4/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-13 12:24:02,190 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f858fa83-bfa6-4043-b9df-bf9384a95ff4/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-13 12:24:02,228 INFO L130 BoogieDeclarations]: Found specification of procedure adm8211_set_bssid [2022-12-13 12:24:02,228 INFO L138 BoogieDeclarations]: Found implementation of procedure adm8211_set_bssid [2022-12-13 12:24:02,228 INFO L130 BoogieDeclarations]: Found specification of procedure adm8211_start [2022-12-13 12:24:02,228 INFO L138 BoogieDeclarations]: Found implementation of procedure adm8211_start [2022-12-13 12:24:02,228 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2022-12-13 12:24:02,228 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2022-12-13 12:24:02,228 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-12-13 12:24:02,229 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-12-13 12:24:02,229 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-12-13 12:24:02,229 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-12-13 12:24:02,229 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-12-13 12:24:02,229 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-12-13 12:24:02,229 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-12-13 12:24:02,229 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-12-13 12:24:02,229 INFO L130 BoogieDeclarations]: Found specification of procedure ioread32 [2022-12-13 12:24:02,229 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread32 [2022-12-13 12:24:02,229 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2022-12-13 12:24:02,229 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2022-12-13 12:24:02,229 INFO L130 BoogieDeclarations]: Found specification of procedure adm8211_rf_write_syn_al2210l [2022-12-13 12:24:02,230 INFO L138 BoogieDeclarations]: Found implementation of procedure adm8211_rf_write_syn_al2210l [2022-12-13 12:24:02,230 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-12-13 12:24:02,230 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-12-13 12:24:02,230 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite32 [2022-12-13 12:24:02,230 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite32 [2022-12-13 12:24:02,230 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-12-13 12:24:02,230 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-12-13 12:24:02,230 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_lock_of_adm8211_priv [2022-12-13 12:24:02,230 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_lock_of_adm8211_priv [2022-12-13 12:24:02,230 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2022-12-13 12:24:02,230 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2022-12-13 12:24:02,230 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-13 12:24:02,231 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-12-13 12:24:02,231 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-12-13 12:24:02,231 INFO L130 BoogieDeclarations]: Found specification of procedure adm8211_rf_set_channel [2022-12-13 12:24:02,231 INFO L138 BoogieDeclarations]: Found implementation of procedure adm8211_rf_set_channel [2022-12-13 12:24:02,231 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-12-13 12:24:02,231 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-12-13 12:24:02,231 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-12-13 12:24:02,231 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-12-13 12:24:02,231 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-12-13 12:24:02,231 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-12-13 12:24:02,231 INFO L130 BoogieDeclarations]: Found specification of procedure adm8211_write_sram [2022-12-13 12:24:02,232 INFO L138 BoogieDeclarations]: Found implementation of procedure adm8211_write_sram [2022-12-13 12:24:02,232 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-13 12:24:02,232 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2022-12-13 12:24:02,232 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2022-12-13 12:24:02,232 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-12-13 12:24:02,232 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-12-13 12:24:02,232 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2022-12-13 12:24:02,232 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2022-12-13 12:24:02,232 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2022-12-13 12:24:02,232 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2022-12-13 12:24:02,232 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iomap [2022-12-13 12:24:02,233 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iomap [2022-12-13 12:24:02,233 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2022-12-13 12:24:02,233 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2022-12-13 12:24:02,233 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2022-12-13 12:24:02,233 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2022-12-13 12:24:02,233 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2022-12-13 12:24:02,233 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2022-12-13 12:24:02,233 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-12-13 12:24:02,233 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2022-12-13 12:24:02,233 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2022-12-13 12:24:02,233 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2022-12-13 12:24:02,234 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2022-12-13 12:24:02,234 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-13 12:24:02,234 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_free_hw [2022-12-13 12:24:02,234 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_free_hw [2022-12-13 12:24:02,234 INFO L130 BoogieDeclarations]: Found specification of procedure adm8211_rf_write_syn_max2820 [2022-12-13 12:24:02,234 INFO L138 BoogieDeclarations]: Found implementation of procedure adm8211_rf_write_syn_max2820 [2022-12-13 12:24:02,234 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-12-13 12:24:02,234 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-12-13 12:24:02,234 INFO L130 BoogieDeclarations]: Found specification of procedure adm8211_write_bbp [2022-12-13 12:24:02,234 INFO L138 BoogieDeclarations]: Found implementation of procedure adm8211_write_bbp [2022-12-13 12:24:02,234 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-12-13 12:24:02,234 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-12-13 12:24:02,235 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-12-13 12:24:02,235 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2022-12-13 12:24:02,235 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2022-12-13 12:24:02,235 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2022-12-13 12:24:02,235 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2022-12-13 12:24:02,235 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-12-13 12:24:02,235 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-12-13 12:24:02,235 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2022-12-13 12:24:02,235 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2022-12-13 12:24:02,235 INFO L130 BoogieDeclarations]: Found specification of procedure adm8211_stop [2022-12-13 12:24:02,235 INFO L138 BoogieDeclarations]: Found implementation of procedure adm8211_stop [2022-12-13 12:24:02,236 INFO L130 BoogieDeclarations]: Found specification of procedure skb_tail_pointer [2022-12-13 12:24:02,236 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_tail_pointer [2022-12-13 12:24:02,236 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 12:24:02,236 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 12:24:02,236 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2022-12-13 12:24:02,236 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2022-12-13 12:24:02,236 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-12-13 12:24:02,236 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-12-13 12:24:02,236 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-12-13 12:24:02,236 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-12-13 12:24:02,236 INFO L130 BoogieDeclarations]: Found specification of procedure skb_push [2022-12-13 12:24:02,237 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_push [2022-12-13 12:24:02,237 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-12-13 12:24:02,237 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-12-13 12:24:02,237 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ieee80211_free_hw [2022-12-13 12:24:02,237 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ieee80211_free_hw [2022-12-13 12:24:02,237 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_unlock [2022-12-13 12:24:02,237 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_unlock [2022-12-13 12:24:02,237 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2022-12-13 12:24:02,237 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2022-12-13 12:24:02,237 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-12-13 12:24:02,237 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-12-13 12:24:02,238 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2022-12-13 12:24:02,238 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2022-12-13 12:24:02,238 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-13 12:24:02,238 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-12-13 12:24:02,238 INFO L130 BoogieDeclarations]: Found specification of procedure adm8211_resume [2022-12-13 12:24:02,238 INFO L138 BoogieDeclarations]: Found implementation of procedure adm8211_resume [2022-12-13 12:24:02,238 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-12-13 12:24:02,238 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-12-13 12:24:02,238 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-12-13 12:24:02,238 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_lock_of_adm8211_priv [2022-12-13 12:24:02,238 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_lock_of_adm8211_priv [2022-12-13 12:24:02,239 INFO L130 BoogieDeclarations]: Found specification of procedure adm8211_remove [2022-12-13 12:24:02,239 INFO L138 BoogieDeclarations]: Found implementation of procedure adm8211_remove [2022-12-13 12:24:02,239 INFO L130 BoogieDeclarations]: Found specification of procedure adm8211_update_mode [2022-12-13 12:24:02,239 INFO L138 BoogieDeclarations]: Found implementation of procedure adm8211_update_mode [2022-12-13 12:24:02,239 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-12-13 12:24:02,239 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-12-13 12:24:02,239 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-13 12:24:02,239 INFO L130 BoogieDeclarations]: Found specification of procedure skb_pull [2022-12-13 12:24:02,239 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_pull [2022-12-13 12:24:02,239 INFO L130 BoogieDeclarations]: Found specification of procedure dev_alloc_skb [2022-12-13 12:24:02,239 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_alloc_skb [2022-12-13 12:24:02,240 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-12-13 12:24:02,240 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-12-13 12:24:02,240 INFO L130 BoogieDeclarations]: Found specification of procedure adm8211_rf_write_syn_rfmd2958 [2022-12-13 12:24:02,240 INFO L138 BoogieDeclarations]: Found implementation of procedure adm8211_rf_write_syn_rfmd2958 [2022-12-13 12:24:02,240 INFO L130 BoogieDeclarations]: Found specification of procedure adm8211_rf_write_syn_rfmd2948 [2022-12-13 12:24:02,240 INFO L138 BoogieDeclarations]: Found implementation of procedure adm8211_rf_write_syn_rfmd2948 [2022-12-13 12:24:02,240 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_lock [2022-12-13 12:24:02,240 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_lock [2022-12-13 12:24:02,240 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-12-13 12:24:02,240 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-12-13 12:24:02,241 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iounmap [2022-12-13 12:24:02,241 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iounmap [2022-12-13 12:24:02,241 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2022-12-13 12:24:02,241 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2022-12-13 12:24:02,241 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-13 12:24:02,241 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-12-13 12:24:02,241 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-12-13 12:24:02,241 INFO L130 BoogieDeclarations]: Found specification of procedure IEEE80211_SKB_CB [2022-12-13 12:24:02,241 INFO L138 BoogieDeclarations]: Found implementation of procedure IEEE80211_SKB_CB [2022-12-13 12:24:02,867 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 12:24:02,870 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 12:24:03,885 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-12-13 12:24:10,788 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2022-12-13 12:24:10,915 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 12:24:10,934 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 12:24:10,934 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-12-13 12:24:10,939 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 12:24:10 BoogieIcfgContainer [2022-12-13 12:24:10,939 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 12:24:10,942 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-13 12:24:10,942 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-13 12:24:10,945 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-13 12:24:10,945 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.12 12:23:58" (1/3) ... [2022-12-13 12:24:10,946 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@d7c7a36 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 12:24:10, skipping insertion in model container [2022-12-13 12:24:10,946 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:24:01" (2/3) ... [2022-12-13 12:24:10,946 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@d7c7a36 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 12:24:10, skipping insertion in model container [2022-12-13 12:24:10,946 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 12:24:10" (3/3) ... [2022-12-13 12:24:10,948 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-adm8211.cil.i [2022-12-13 12:24:10,966 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-13 12:24:10,966 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2022-12-13 12:24:11,057 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-13 12:24:11,063 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;@16351f6d, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-12-13 12:24:11,063 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2022-12-13 12:24:11,075 INFO L276 IsEmpty]: Start isEmpty. Operand has 2072 states, 1397 states have (on average 1.2569792412312097) internal successors, (1756), 1419 states have internal predecessors, (1756), 606 states have call successors, (606), 67 states have call predecessors, (606), 66 states have return successors, (601), 595 states have call predecessors, (601), 601 states have call successors, (601) [2022-12-13 12:24:11,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2022-12-13 12:24:11,091 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 12:24:11,092 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 10, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 12:24:11,092 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-12-13 12:24:11,097 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 12:24:11,098 INFO L85 PathProgramCache]: Analyzing trace with hash 1905112084, now seen corresponding path program 1 times [2022-12-13 12:24:11,106 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 12:24:11,106 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [414652181] [2022-12-13 12:24:11,106 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 12:24:11,107 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 12:24:11,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:24:11,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-12-13 12:24:11,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:24:11,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:24:11,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:24:11,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-12-13 12:24:11,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:24:11,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:24:11,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:24:11,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-12-13 12:24:11,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:24:11,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:24:11,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:24:11,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-12-13 12:24:11,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:24:11,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:24:11,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:24:11,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-12-13 12:24:11,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:24:11,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:24:11,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:24:11,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-12-13 12:24:11,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:24:11,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:24:11,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:24:11,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-12-13 12:24:11,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:24:11,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:24:11,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:24:11,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-12-13 12:24:11,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:24:11,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:24:11,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:24:11,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-12-13 12:24:11,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:24:11,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:24:11,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:24:11,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-12-13 12:24:11,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:24:11,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:24:11,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:24:11,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-12-13 12:24:11,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:24:11,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-12-13 12:24:11,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:24:11,846 INFO L134 CoverageAnalysis]: Checked inductivity of 435 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 435 trivial. 0 not checked. [2022-12-13 12:24:11,847 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 12:24:11,847 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [414652181] [2022-12-13 12:24:11,847 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [414652181] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 12:24:11,847 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 12:24:11,847 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-13 12:24:11,848 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [789079927] [2022-12-13 12:24:11,849 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 12:24:11,852 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-13 12:24:11,852 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 12:24:11,876 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-13 12:24:11,877 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-13 12:24:11,883 INFO L87 Difference]: Start difference. First operand has 2072 states, 1397 states have (on average 1.2569792412312097) internal successors, (1756), 1419 states have internal predecessors, (1756), 606 states have call successors, (606), 67 states have call predecessors, (606), 66 states have return successors, (601), 595 states have call predecessors, (601), 601 states have call successors, (601) Second operand has 4 states, 4 states have (on average 8.0) internal successors, (32), 3 states have internal predecessors, (32), 3 states have call successors, (15), 3 states have call predecessors, (15), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) [2022-12-13 12:24:14,181 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 12:24:18,643 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 12:24:18,644 INFO L93 Difference]: Finished difference Result 6077 states and 8767 transitions. [2022-12-13 12:24:18,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-13 12:24:18,646 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.0) internal successors, (32), 3 states have internal predecessors, (32), 3 states have call successors, (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 134 [2022-12-13 12:24:18,647 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 12:24:18,685 INFO L225 Difference]: With dead ends: 6077 [2022-12-13 12:24:18,685 INFO L226 Difference]: Without dead ends: 4020 [2022-12-13 12:24:18,699 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-13 12:24:18,701 INFO L413 NwaCegarLoop]: 2643 mSDtfsCounter, 3093 mSDsluCounter, 3090 mSDsCounter, 0 mSdLazyCounter, 2995 mSolverCounterSat, 1357 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3616 SdHoareTripleChecker+Valid, 5733 SdHoareTripleChecker+Invalid, 4353 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1357 IncrementalHoareTripleChecker+Valid, 2995 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.3s IncrementalHoareTripleChecker+Time [2022-12-13 12:24:18,701 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3616 Valid, 5733 Invalid, 4353 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1357 Valid, 2995 Invalid, 1 Unknown, 0 Unchecked, 6.3s Time] [2022-12-13 12:24:18,718 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4020 states. [2022-12-13 12:24:18,888 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4020 to 3905. [2022-12-13 12:24:18,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3905 states, 2657 states have (on average 1.2484004516371847) internal successors, (3317), 2695 states have internal predecessors, (3317), 1118 states have call successors, (1118), 128 states have call predecessors, (1118), 127 states have return successors, (1115), 1105 states have call predecessors, (1115), 1115 states have call successors, (1115) [2022-12-13 12:24:18,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3905 states to 3905 states and 5550 transitions. [2022-12-13 12:24:18,916 INFO L78 Accepts]: Start accepts. Automaton has 3905 states and 5550 transitions. Word has length 134 [2022-12-13 12:24:18,916 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 12:24:18,916 INFO L495 AbstractCegarLoop]: Abstraction has 3905 states and 5550 transitions. [2022-12-13 12:24:18,916 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.0) internal successors, (32), 3 states have internal predecessors, (32), 3 states have call successors, (15), 3 states have call predecessors, (15), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) [2022-12-13 12:24:18,917 INFO L276 IsEmpty]: Start isEmpty. Operand 3905 states and 5550 transitions. [2022-12-13 12:24:18,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2022-12-13 12:24:18,920 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 12:24:18,921 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 10, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 12:24:18,921 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-13 12:24:18,921 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-12-13 12:24:18,922 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 12:24:18,922 INFO L85 PathProgramCache]: Analyzing trace with hash 17038099, now seen corresponding path program 1 times [2022-12-13 12:24:18,922 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 12:24:18,922 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [350920719] [2022-12-13 12:24:18,922 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 12:24:18,922 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 12:24:18,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:24:19,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-12-13 12:24:19,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:24:19,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:24:19,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:24:19,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-12-13 12:24:19,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:24:19,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:24:19,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:24:19,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-12-13 12:24:19,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:24:19,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:24:19,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:24:19,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-12-13 12:24:19,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:24:19,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:24:19,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:24:19,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-12-13 12:24:19,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:24:19,202 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:24:19,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:24:19,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-12-13 12:24:19,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:24:19,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:24:19,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:24:19,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-12-13 12:24:19,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:24:19,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:24:19,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:24:19,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-12-13 12:24:19,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:24:19,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:24:19,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:24:19,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-12-13 12:24:19,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:24:19,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:24:19,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:24:19,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-12-13 12:24:19,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:24:19,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:24:19,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:24:19,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-12-13 12:24:19,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:24:19,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2022-12-13 12:24:19,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:24:19,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2022-12-13 12:24:19,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:24:19,296 INFO L134 CoverageAnalysis]: Checked inductivity of 435 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 435 trivial. 0 not checked. [2022-12-13 12:24:19,297 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 12:24:19,297 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [350920719] [2022-12-13 12:24:19,297 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [350920719] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 12:24:19,297 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 12:24:19,297 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-13 12:24:19,297 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [788592635] [2022-12-13 12:24:19,297 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 12:24:19,299 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-13 12:24:19,299 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 12:24:19,300 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-13 12:24:19,300 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-13 12:24:19,300 INFO L87 Difference]: Start difference. First operand 3905 states and 5550 transitions. Second operand has 4 states, 4 states have (on average 11.0) internal successors, (44), 3 states have internal predecessors, (44), 3 states have call successors, (16), 3 states have call predecessors, (16), 1 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) [2022-12-13 12:24:21,609 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 12:24:26,305 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 12:24:26,305 INFO L93 Difference]: Finished difference Result 11284 states and 16058 transitions. [2022-12-13 12:24:26,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-13 12:24:26,305 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.0) internal successors, (44), 3 states have internal predecessors, (44), 3 states have call successors, (16), 3 states have call predecessors, (16), 1 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) Word has length 148 [2022-12-13 12:24:26,306 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 12:24:26,340 INFO L225 Difference]: With dead ends: 11284 [2022-12-13 12:24:26,340 INFO L226 Difference]: Without dead ends: 7404 [2022-12-13 12:24:26,370 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-13 12:24:26,371 INFO L413 NwaCegarLoop]: 2598 mSDtfsCounter, 2813 mSDsluCounter, 3111 mSDsCounter, 0 mSdLazyCounter, 2914 mSolverCounterSat, 1375 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3280 SdHoareTripleChecker+Valid, 5709 SdHoareTripleChecker+Invalid, 4290 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1375 IncrementalHoareTripleChecker+Valid, 2914 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.6s IncrementalHoareTripleChecker+Time [2022-12-13 12:24:26,371 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3280 Valid, 5709 Invalid, 4290 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1375 Valid, 2914 Invalid, 1 Unknown, 0 Unchecked, 6.6s Time] [2022-12-13 12:24:26,376 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7404 states. [2022-12-13 12:24:26,656 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7404 to 7232. [2022-12-13 12:24:26,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7232 states, 4905 states have (on average 1.2448521916411825) internal successors, (6106), 4985 states have internal predecessors, (6106), 2069 states have call successors, (2069), 246 states have call predecessors, (2069), 255 states have return successors, (2124), 2046 states have call predecessors, (2124), 2066 states have call successors, (2124) [2022-12-13 12:24:26,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7232 states to 7232 states and 10299 transitions. [2022-12-13 12:24:26,714 INFO L78 Accepts]: Start accepts. Automaton has 7232 states and 10299 transitions. Word has length 148 [2022-12-13 12:24:26,715 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 12:24:26,715 INFO L495 AbstractCegarLoop]: Abstraction has 7232 states and 10299 transitions. [2022-12-13 12:24:26,715 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.0) internal successors, (44), 3 states have internal predecessors, (44), 3 states have call successors, (16), 3 states have call predecessors, (16), 1 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) [2022-12-13 12:24:26,715 INFO L276 IsEmpty]: Start isEmpty. Operand 7232 states and 10299 transitions. [2022-12-13 12:24:26,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2022-12-13 12:24:26,721 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 12:24:26,721 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 10, 10, 10, 10, 10, 10, 4, 4, 4, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 12:24:26,721 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-13 12:24:26,722 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-12-13 12:24:26,722 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 12:24:26,722 INFO L85 PathProgramCache]: Analyzing trace with hash -47911151, now seen corresponding path program 1 times [2022-12-13 12:24:26,722 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 12:24:26,722 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1657604909] [2022-12-13 12:24:26,723 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 12:24:26,723 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 12:24:26,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:24:27,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-12-13 12:24:27,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:24:27,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:24:27,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:24:27,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-12-13 12:24:27,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:24:27,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:24:27,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:24:27,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-12-13 12:24:27,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:24:27,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:24:27,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:24:27,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-12-13 12:24:27,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:24:27,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:24:27,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:24:27,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-12-13 12:24:27,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:24:27,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:24:27,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:24:27,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-12-13 12:24:27,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:24:27,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:24:27,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:24:27,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-12-13 12:24:27,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:24:27,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:24:27,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:24:27,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-12-13 12:24:27,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:24:27,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:24:27,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:24:27,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-12-13 12:24:27,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:24:27,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:24:27,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:24:27,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-12-13 12:24:27,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:24:27,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:24:27,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:24:27,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-12-13 12:24:27,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:24:27,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2022-12-13 12:24:27,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:24:27,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2022-12-13 12:24:27,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:24:27,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2022-12-13 12:24:27,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:24:27,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2022-12-13 12:24:27,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:24:27,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:24:27,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:24:27,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2022-12-13 12:24:27,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:24:27,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2022-12-13 12:24:27,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:24:27,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2022-12-13 12:24:27,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:24:27,560 INFO L134 CoverageAnalysis]: Checked inductivity of 573 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 573 trivial. 0 not checked. [2022-12-13 12:24:27,560 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 12:24:27,561 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1657604909] [2022-12-13 12:24:27,561 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1657604909] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 12:24:27,561 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 12:24:27,561 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-12-13 12:24:27,561 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1308631558] [2022-12-13 12:24:27,561 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 12:24:27,562 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-13 12:24:27,562 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 12:24:27,563 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 12:24:27,563 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-12-13 12:24:27,563 INFO L87 Difference]: Start difference. First operand 7232 states and 10299 transitions. Second operand has 6 states, 6 states have (on average 8.5) internal successors, (51), 4 states have internal predecessors, (51), 2 states have call successors, (21), 4 states have call predecessors, (21), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2022-12-13 12:24:29,959 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 12:24:33,565 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 12:24:33,566 INFO L93 Difference]: Finished difference Result 7523 states and 10706 transitions. [2022-12-13 12:24:33,566 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-12-13 12:24:33,566 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.5) internal successors, (51), 4 states have internal predecessors, (51), 2 states have call successors, (21), 4 states have call predecessors, (21), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 186 [2022-12-13 12:24:33,567 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 12:24:33,622 INFO L225 Difference]: With dead ends: 7523 [2022-12-13 12:24:33,622 INFO L226 Difference]: Without dead ends: 7521 [2022-12-13 12:24:33,626 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2022-12-13 12:24:33,627 INFO L413 NwaCegarLoop]: 2230 mSDtfsCounter, 2691 mSDsluCounter, 5029 mSDsCounter, 0 mSdLazyCounter, 4302 mSolverCounterSat, 969 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3127 SdHoareTripleChecker+Valid, 7259 SdHoareTripleChecker+Invalid, 5272 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 969 IncrementalHoareTripleChecker+Valid, 4302 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.7s IncrementalHoareTripleChecker+Time [2022-12-13 12:24:33,628 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3127 Valid, 7259 Invalid, 5272 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [969 Valid, 4302 Invalid, 1 Unknown, 0 Unchecked, 5.7s Time] [2022-12-13 12:24:33,638 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7521 states. [2022-12-13 12:24:33,920 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7521 to 7385. [2022-12-13 12:24:33,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7385 states, 4997 states have (on average 1.2433460076045628) internal successors, (6213), 5079 states have internal predecessors, (6213), 2122 states have call successors, (2122), 254 states have call predecessors, (2122), 263 states have return successors, (2177), 2099 states have call predecessors, (2177), 2119 states have call successors, (2177) [2022-12-13 12:24:33,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7385 states to 7385 states and 10512 transitions. [2022-12-13 12:24:33,979 INFO L78 Accepts]: Start accepts. Automaton has 7385 states and 10512 transitions. Word has length 186 [2022-12-13 12:24:33,980 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 12:24:33,980 INFO L495 AbstractCegarLoop]: Abstraction has 7385 states and 10512 transitions. [2022-12-13 12:24:33,980 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.5) internal successors, (51), 4 states have internal predecessors, (51), 2 states have call successors, (21), 4 states have call predecessors, (21), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2022-12-13 12:24:33,980 INFO L276 IsEmpty]: Start isEmpty. Operand 7385 states and 10512 transitions. [2022-12-13 12:24:33,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2022-12-13 12:24:33,986 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 12:24:33,986 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 10, 10, 10, 10, 10, 10, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 12:24:33,986 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-12-13 12:24:33,986 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 12:24:33,986 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 12:24:33,987 INFO L85 PathProgramCache]: Analyzing trace with hash 1946362919, now seen corresponding path program 1 times [2022-12-13 12:24:33,987 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 12:24:33,987 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2125130001] [2022-12-13 12:24:33,987 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 12:24:33,987 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 12:24:34,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:24:34,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-12-13 12:24:34,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:24:34,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:24:34,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:24:34,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-12-13 12:24:34,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:24:34,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:24:34,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:24:34,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-12-13 12:24:34,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:24:34,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:24:34,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:24:34,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-12-13 12:24:34,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:24:34,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:24:34,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:24:34,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-12-13 12:24:34,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:24:34,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:24:34,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:24:34,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-12-13 12:24:34,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:24:34,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:24:34,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:24:34,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-12-13 12:24:34,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:24:34,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:24:34,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:24:34,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-12-13 12:24:34,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:24:34,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:24:34,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:24:34,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-12-13 12:24:34,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:24:34,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:24:34,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:24:34,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-12-13 12:24:34,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:24:34,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:24:34,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:24:34,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-12-13 12:24:34,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:24:34,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2022-12-13 12:24:34,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:24:34,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2022-12-13 12:24:34,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:24:34,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2022-12-13 12:24:34,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:24:34,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2022-12-13 12:24:34,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:24:34,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:24:34,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:24:34,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2022-12-13 12:24:34,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:24:34,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2022-12-13 12:24:34,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:24:34,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2022-12-13 12:24:34,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:24:34,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2022-12-13 12:24:34,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:24:34,812 INFO L134 CoverageAnalysis]: Checked inductivity of 575 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 573 trivial. 0 not checked. [2022-12-13 12:24:34,812 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 12:24:34,812 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2125130001] [2022-12-13 12:24:34,813 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2125130001] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 12:24:34,813 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 12:24:34,813 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-12-13 12:24:34,813 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [967115591] [2022-12-13 12:24:34,813 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 12:24:34,813 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-13 12:24:34,814 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 12:24:34,814 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 12:24:34,814 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-12-13 12:24:34,814 INFO L87 Difference]: Start difference. First operand 7385 states and 10512 transitions. Second operand has 6 states, 6 states have (on average 9.0) internal successors, (54), 4 states have internal predecessors, (54), 2 states have call successors, (22), 4 states have call predecessors, (22), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2022-12-13 12:24:37,158 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 12:24:41,056 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 12:24:41,057 INFO L93 Difference]: Finished difference Result 7527 states and 10709 transitions. [2022-12-13 12:24:41,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-12-13 12:24:41,057 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.0) internal successors, (54), 4 states have internal predecessors, (54), 2 states have call successors, (22), 4 states have call predecessors, (22), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 191 [2022-12-13 12:24:41,058 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 12:24:41,084 INFO L225 Difference]: With dead ends: 7527 [2022-12-13 12:24:41,085 INFO L226 Difference]: Without dead ends: 7525 [2022-12-13 12:24:41,088 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 61 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2022-12-13 12:24:41,088 INFO L413 NwaCegarLoop]: 2230 mSDtfsCounter, 2683 mSDsluCounter, 5029 mSDsCounter, 0 mSdLazyCounter, 4305 mSolverCounterSat, 968 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3119 SdHoareTripleChecker+Valid, 7259 SdHoareTripleChecker+Invalid, 5274 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 968 IncrementalHoareTripleChecker+Valid, 4305 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.8s IncrementalHoareTripleChecker+Time [2022-12-13 12:24:41,089 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3119 Valid, 7259 Invalid, 5274 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [968 Valid, 4305 Invalid, 1 Unknown, 0 Unchecked, 5.8s Time] [2022-12-13 12:24:41,094 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7525 states. [2022-12-13 12:24:41,376 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7525 to 7389. [2022-12-13 12:24:41,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7389 states, 5000 states have (on average 1.2432) internal successors, (6216), 5082 states have internal predecessors, (6216), 2122 states have call successors, (2122), 255 states have call predecessors, (2122), 264 states have return successors, (2177), 2099 states have call predecessors, (2177), 2119 states have call successors, (2177) [2022-12-13 12:24:41,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7389 states to 7389 states and 10515 transitions. [2022-12-13 12:24:41,427 INFO L78 Accepts]: Start accepts. Automaton has 7389 states and 10515 transitions. Word has length 191 [2022-12-13 12:24:41,427 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 12:24:41,428 INFO L495 AbstractCegarLoop]: Abstraction has 7389 states and 10515 transitions. [2022-12-13 12:24:41,428 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.0) internal successors, (54), 4 states have internal predecessors, (54), 2 states have call successors, (22), 4 states have call predecessors, (22), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2022-12-13 12:24:41,428 INFO L276 IsEmpty]: Start isEmpty. Operand 7389 states and 10515 transitions. [2022-12-13 12:24:41,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2022-12-13 12:24:41,433 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 12:24:41,433 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 10, 10, 10, 10, 10, 10, 4, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 12:24:41,433 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-12-13 12:24:41,434 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 12:24:41,434 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 12:24:41,434 INFO L85 PathProgramCache]: Analyzing trace with hash 778421393, now seen corresponding path program 1 times [2022-12-13 12:24:41,434 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 12:24:41,434 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [578617530] [2022-12-13 12:24:41,434 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 12:24:41,434 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 12:24:41,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:24:41,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-12-13 12:24:41,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:24:41,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:24:41,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:24:41,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-12-13 12:24:41,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:24:41,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:24:41,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:24:41,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-12-13 12:24:41,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:24:41,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:24:41,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:24:41,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-12-13 12:24:41,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:24:41,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:24:41,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:24:41,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-12-13 12:24:41,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:24:41,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:24:41,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:24:41,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-12-13 12:24:41,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:24:41,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:24:41,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:24:41,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-12-13 12:24:41,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:24:41,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:24:41,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:24:41,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-12-13 12:24:41,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:24:41,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:24:41,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:24:41,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-12-13 12:24:41,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:24:41,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:24:41,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:24:41,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-12-13 12:24:41,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:24:41,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:24:41,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:24:42,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-12-13 12:24:42,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:24:42,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2022-12-13 12:24:42,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:24:42,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2022-12-13 12:24:42,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:24:42,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2022-12-13 12:24:42,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:24:42,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2022-12-13 12:24:42,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:24:42,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:24:42,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:24:42,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2022-12-13 12:24:42,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:24:42,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2022-12-13 12:24:42,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:24:42,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2022-12-13 12:24:42,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:24:42,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2022-12-13 12:24:42,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:24:42,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2022-12-13 12:24:42,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:24:42,076 INFO L134 CoverageAnalysis]: Checked inductivity of 581 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 577 trivial. 0 not checked. [2022-12-13 12:24:42,076 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 12:24:42,076 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [578617530] [2022-12-13 12:24:42,076 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [578617530] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 12:24:42,076 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 12:24:42,076 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-12-13 12:24:42,076 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [191463056] [2022-12-13 12:24:42,076 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 12:24:42,077 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-13 12:24:42,077 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 12:24:42,077 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 12:24:42,077 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-12-13 12:24:42,077 INFO L87 Difference]: Start difference. First operand 7389 states and 10515 transitions. Second operand has 6 states, 6 states have (on average 9.0) internal successors, (54), 4 states have internal predecessors, (54), 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 12:24:44,489 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 12:24:48,295 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 12:24:48,295 INFO L93 Difference]: Finished difference Result 7531 states and 10712 transitions. [2022-12-13 12:24:48,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-12-13 12:24:48,296 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.0) internal successors, (54), 4 states have internal predecessors, (54), 2 states have call successors, (23), 4 states have call predecessors, (23), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) Word has length 196 [2022-12-13 12:24:48,296 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 12:24:48,318 INFO L225 Difference]: With dead ends: 7531 [2022-12-13 12:24:48,318 INFO L226 Difference]: Without dead ends: 7529 [2022-12-13 12:24:48,321 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 63 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2022-12-13 12:24:48,321 INFO L413 NwaCegarLoop]: 2231 mSDtfsCounter, 2683 mSDsluCounter, 5032 mSDsCounter, 0 mSdLazyCounter, 4305 mSolverCounterSat, 967 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3118 SdHoareTripleChecker+Valid, 7263 SdHoareTripleChecker+Invalid, 5273 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 967 IncrementalHoareTripleChecker+Valid, 4305 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.8s IncrementalHoareTripleChecker+Time [2022-12-13 12:24:48,322 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3118 Valid, 7263 Invalid, 5273 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [967 Valid, 4305 Invalid, 1 Unknown, 0 Unchecked, 5.8s Time] [2022-12-13 12:24:48,327 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7529 states. [2022-12-13 12:24:48,631 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7529 to 7393. [2022-12-13 12:24:48,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7393 states, 5003 states have (on average 1.2430541674995004) internal successors, (6219), 5085 states have internal predecessors, (6219), 2122 states have call successors, (2122), 256 states have call predecessors, (2122), 265 states have return successors, (2177), 2099 states have call predecessors, (2177), 2119 states have call successors, (2177) [2022-12-13 12:24:48,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7393 states to 7393 states and 10518 transitions. [2022-12-13 12:24:48,672 INFO L78 Accepts]: Start accepts. Automaton has 7393 states and 10518 transitions. Word has length 196 [2022-12-13 12:24:48,672 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 12:24:48,673 INFO L495 AbstractCegarLoop]: Abstraction has 7393 states and 10518 transitions. [2022-12-13 12:24:48,673 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.0) internal successors, (54), 4 states have internal predecessors, (54), 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 12:24:48,673 INFO L276 IsEmpty]: Start isEmpty. Operand 7393 states and 10518 transitions. [2022-12-13 12:24:48,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 202 [2022-12-13 12:24:48,683 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 12:24:48,683 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 10, 10, 10, 10, 10, 10, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 12:24:48,683 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-12-13 12:24:48,683 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-12-13 12:24:48,683 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 12:24:48,684 INFO L85 PathProgramCache]: Analyzing trace with hash 1571155495, now seen corresponding path program 1 times [2022-12-13 12:24:48,684 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 12:24:48,684 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1358134671] [2022-12-13 12:24:48,684 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 12:24:48,684 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 12:24:48,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:24:49,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-12-13 12:24:49,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:24:49,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:24:49,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:24:49,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-12-13 12:24:49,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:24:49,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:24:49,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:24:49,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-12-13 12:24:49,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:24:49,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:24:49,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:24:49,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-12-13 12:24:49,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:24:49,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:24:49,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:24:49,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-12-13 12:24:49,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:24:49,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:24:49,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:24:49,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-12-13 12:24:49,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:24:49,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:24:49,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:24:49,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-12-13 12:24:49,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:24:49,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:24:49,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:24:49,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-12-13 12:24:49,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:24:49,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:24:49,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:24:49,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-12-13 12:24:49,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:24:49,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:24:49,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:24:49,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-12-13 12:24:49,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:24:49,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:24:49,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:24:49,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-12-13 12:24:49,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:24:49,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2022-12-13 12:24:49,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:24:49,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2022-12-13 12:24:49,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:24:49,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2022-12-13 12:24:49,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:24:49,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2022-12-13 12:24:49,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:24:49,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:24:49,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:24:49,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2022-12-13 12:24:49,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:24:49,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2022-12-13 12:24:49,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:24:49,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2022-12-13 12:24:49,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:24:49,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2022-12-13 12:24:49,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:24:49,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2022-12-13 12:24:49,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:24:49,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2022-12-13 12:24:49,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:24:49,415 INFO L134 CoverageAnalysis]: Checked inductivity of 591 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 585 trivial. 0 not checked. [2022-12-13 12:24:49,416 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 12:24:49,416 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1358134671] [2022-12-13 12:24:49,416 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1358134671] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 12:24:49,416 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 12:24:49,416 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-12-13 12:24:49,416 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [125946273] [2022-12-13 12:24:49,416 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 12:24:49,416 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-13 12:24:49,416 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 12:24:49,417 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 12:24:49,417 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-12-13 12:24:49,417 INFO L87 Difference]: Start difference. First operand 7393 states and 10518 transitions. Second operand has 6 states, 6 states have (on average 9.0) internal successors, (54), 4 states have internal predecessors, (54), 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 12:24:51,832 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 12:24:55,272 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 12:24:55,273 INFO L93 Difference]: Finished difference Result 7535 states and 10715 transitions. [2022-12-13 12:24:55,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-12-13 12:24:55,273 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.0) internal successors, (54), 4 states have internal predecessors, (54), 2 states have call successors, (24), 4 states have call predecessors, (24), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) Word has length 201 [2022-12-13 12:24:55,273 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 12:24:55,295 INFO L225 Difference]: With dead ends: 7535 [2022-12-13 12:24:55,295 INFO L226 Difference]: Without dead ends: 7533 [2022-12-13 12:24:55,297 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2022-12-13 12:24:55,298 INFO L413 NwaCegarLoop]: 2231 mSDtfsCounter, 2683 mSDsluCounter, 5032 mSDsCounter, 0 mSdLazyCounter, 4305 mSolverCounterSat, 966 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3118 SdHoareTripleChecker+Valid, 7263 SdHoareTripleChecker+Invalid, 5272 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 966 IncrementalHoareTripleChecker+Valid, 4305 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.5s IncrementalHoareTripleChecker+Time [2022-12-13 12:24:55,298 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3118 Valid, 7263 Invalid, 5272 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [966 Valid, 4305 Invalid, 1 Unknown, 0 Unchecked, 5.5s Time] [2022-12-13 12:24:55,303 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7533 states. [2022-12-13 12:24:55,637 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7533 to 7397. [2022-12-13 12:24:55,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7397 states, 5006 states have (on average 1.2429085097882542) internal successors, (6222), 5088 states have internal predecessors, (6222), 2122 states have call successors, (2122), 257 states have call predecessors, (2122), 266 states have return successors, (2177), 2099 states have call predecessors, (2177), 2119 states have call successors, (2177) [2022-12-13 12:24:55,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7397 states to 7397 states and 10521 transitions. [2022-12-13 12:24:55,669 INFO L78 Accepts]: Start accepts. Automaton has 7397 states and 10521 transitions. Word has length 201 [2022-12-13 12:24:55,669 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 12:24:55,669 INFO L495 AbstractCegarLoop]: Abstraction has 7397 states and 10521 transitions. [2022-12-13 12:24:55,669 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.0) internal successors, (54), 4 states have internal predecessors, (54), 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 12:24:55,669 INFO L276 IsEmpty]: Start isEmpty. Operand 7397 states and 10521 transitions. [2022-12-13 12:24:55,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207 [2022-12-13 12:24:55,673 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 12:24:55,673 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 10, 10, 10, 10, 10, 10, 5, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 12:24:55,673 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-12-13 12:24:55,674 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-12-13 12:24:55,674 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 12:24:55,674 INFO L85 PathProgramCache]: Analyzing trace with hash -1389663727, now seen corresponding path program 1 times [2022-12-13 12:24:55,674 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 12:24:55,674 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [119990353] [2022-12-13 12:24:55,674 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 12:24:55,674 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 12:24:55,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:24:55,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-12-13 12:24:55,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:24:55,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:24:55,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:24:55,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-12-13 12:24:55,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:24:55,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:24:55,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:24:55,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-12-13 12:24:55,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:24:55,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:24:55,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:24:56,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-12-13 12:24:56,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:24:56,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:24:56,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:24:56,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-12-13 12:24:56,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:24:56,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:24:56,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:24:56,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-12-13 12:24:56,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:24:56,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:24:56,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:24:56,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-12-13 12:24:56,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:24:56,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:24:56,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:24:56,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-12-13 12:24:56,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:24:56,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:24:56,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:24:56,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-12-13 12:24:56,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:24:56,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:24:56,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:24:56,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-12-13 12:24:56,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:24:56,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:24:56,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:24:56,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-12-13 12:24:56,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:24:56,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2022-12-13 12:24:56,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:24:56,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2022-12-13 12:24:56,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:24:56,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2022-12-13 12:24:56,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:24:56,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2022-12-13 12:24:56,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:24:56,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:24:56,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:24:56,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2022-12-13 12:24:56,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:24:56,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2022-12-13 12:24:56,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:24:56,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2022-12-13 12:24:56,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:24:56,202 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2022-12-13 12:24:56,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:24:56,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2022-12-13 12:24:56,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:24:56,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2022-12-13 12:24:56,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:24:56,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2022-12-13 12:24:56,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:24:56,231 INFO L134 CoverageAnalysis]: Checked inductivity of 605 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 597 trivial. 0 not checked. [2022-12-13 12:24:56,231 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 12:24:56,231 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [119990353] [2022-12-13 12:24:56,231 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [119990353] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 12:24:56,231 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 12:24:56,231 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-12-13 12:24:56,232 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [958772759] [2022-12-13 12:24:56,232 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 12:24:56,232 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-13 12:24:56,232 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 12:24:56,233 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 12:24:56,233 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-12-13 12:24:56,233 INFO L87 Difference]: Start difference. First operand 7397 states and 10521 transitions. Second operand has 6 states, 6 states have (on average 9.0) internal successors, (54), 4 states have internal predecessors, (54), 2 states have call successors, (25), 4 states have call predecessors, (25), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2022-12-13 12:24:58,681 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 12:25:02,183 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 12:25:02,183 INFO L93 Difference]: Finished difference Result 7539 states and 10718 transitions. [2022-12-13 12:25:02,183 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-12-13 12:25:02,183 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.0) internal successors, (54), 4 states have internal predecessors, (54), 2 states have call successors, (25), 4 states have call predecessors, (25), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 206 [2022-12-13 12:25:02,184 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 12:25:02,207 INFO L225 Difference]: With dead ends: 7539 [2022-12-13 12:25:02,207 INFO L226 Difference]: Without dead ends: 7537 [2022-12-13 12:25:02,211 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 12:25:02,212 INFO L413 NwaCegarLoop]: 2230 mSDtfsCounter, 2683 mSDsluCounter, 5029 mSDsCounter, 0 mSdLazyCounter, 4305 mSolverCounterSat, 965 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3119 SdHoareTripleChecker+Valid, 7259 SdHoareTripleChecker+Invalid, 5271 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 965 IncrementalHoareTripleChecker+Valid, 4305 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.4s IncrementalHoareTripleChecker+Time [2022-12-13 12:25:02,212 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3119 Valid, 7259 Invalid, 5271 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [965 Valid, 4305 Invalid, 1 Unknown, 0 Unchecked, 5.4s Time] [2022-12-13 12:25:02,217 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7537 states. [2022-12-13 12:25:02,563 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7537 to 7401. [2022-12-13 12:25:02,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7401 states, 5009 states have (on average 1.242763026552206) internal successors, (6225), 5091 states have internal predecessors, (6225), 2122 states have call successors, (2122), 258 states have call predecessors, (2122), 267 states have return successors, (2177), 2099 states have call predecessors, (2177), 2119 states have call successors, (2177) [2022-12-13 12:25:02,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7401 states to 7401 states and 10524 transitions. [2022-12-13 12:25:02,597 INFO L78 Accepts]: Start accepts. Automaton has 7401 states and 10524 transitions. Word has length 206 [2022-12-13 12:25:02,598 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 12:25:02,598 INFO L495 AbstractCegarLoop]: Abstraction has 7401 states and 10524 transitions. [2022-12-13 12:25:02,598 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.0) internal successors, (54), 4 states have internal predecessors, (54), 2 states have call successors, (25), 4 states have call predecessors, (25), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2022-12-13 12:25:02,598 INFO L276 IsEmpty]: Start isEmpty. Operand 7401 states and 10524 transitions. [2022-12-13 12:25:02,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 212 [2022-12-13 12:25:02,602 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 12:25:02,603 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 10, 10, 10, 10, 10, 10, 6, 5, 5, 4, 4, 4, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 12:25:02,603 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-12-13 12:25:02,603 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-12-13 12:25:02,603 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 12:25:02,603 INFO L85 PathProgramCache]: Analyzing trace with hash -1136269273, now seen corresponding path program 1 times [2022-12-13 12:25:02,603 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 12:25:02,603 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [338553993] [2022-12-13 12:25:02,604 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 12:25:02,604 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 12:25:02,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:25:02,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-12-13 12:25:02,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:25:02,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:25:02,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:25:02,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-12-13 12:25:02,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:25:02,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:25:02,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:25:02,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-12-13 12:25:02,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:25:02,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:25:02,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:25:02,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-12-13 12:25:02,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:25:02,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:25:02,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:25:02,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-12-13 12:25:02,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:25:02,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:25:02,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:25:02,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-12-13 12:25:03,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:25:03,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:25:03,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:25:03,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-12-13 12:25:03,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:25:03,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:25:03,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:25:03,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-12-13 12:25:03,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:25:03,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:25:03,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:25:03,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-12-13 12:25:03,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:25:03,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:25:03,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:25:03,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-12-13 12:25:03,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:25:03,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:25:03,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:25:03,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-12-13 12:25:03,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:25:03,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2022-12-13 12:25:03,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:25:03,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2022-12-13 12:25:03,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:25:03,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2022-12-13 12:25:03,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:25:03,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2022-12-13 12:25:03,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:25:03,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:25:03,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:25:03,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2022-12-13 12:25:03,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:25:03,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2022-12-13 12:25:03,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:25:03,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2022-12-13 12:25:03,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:25:03,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2022-12-13 12:25:03,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:25:03,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2022-12-13 12:25:03,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:25:03,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2022-12-13 12:25:03,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:25:03,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2022-12-13 12:25:03,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:25:03,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2022-12-13 12:25:03,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:25:03,137 INFO L134 CoverageAnalysis]: Checked inductivity of 623 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 613 trivial. 0 not checked. [2022-12-13 12:25:03,137 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 12:25:03,138 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [338553993] [2022-12-13 12:25:03,138 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [338553993] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 12:25:03,138 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 12:25:03,138 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-12-13 12:25:03,138 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1480304644] [2022-12-13 12:25:03,138 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 12:25:03,138 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-13 12:25:03,138 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 12:25:03,139 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 12:25:03,139 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-12-13 12:25:03,139 INFO L87 Difference]: Start difference. First operand 7401 states and 10524 transitions. Second operand has 6 states, 6 states have (on average 9.0) internal successors, (54), 4 states have internal predecessors, (54), 2 states have call successors, (26), 4 states have call predecessors, (26), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2022-12-13 12:25:05,458 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 12:25:09,113 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 12:25:09,113 INFO L93 Difference]: Finished difference Result 7543 states and 10721 transitions. [2022-12-13 12:25:09,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-12-13 12:25:09,114 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.0) internal successors, (54), 4 states have internal predecessors, (54), 2 states have call successors, (26), 4 states have call predecessors, (26), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) Word has length 211 [2022-12-13 12:25:09,114 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 12:25:09,133 INFO L225 Difference]: With dead ends: 7543 [2022-12-13 12:25:09,133 INFO L226 Difference]: Without dead ends: 7541 [2022-12-13 12:25:09,136 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 12:25:09,136 INFO L413 NwaCegarLoop]: 2230 mSDtfsCounter, 2683 mSDsluCounter, 5029 mSDsCounter, 0 mSdLazyCounter, 4305 mSolverCounterSat, 964 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3119 SdHoareTripleChecker+Valid, 7259 SdHoareTripleChecker+Invalid, 5270 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 964 IncrementalHoareTripleChecker+Valid, 4305 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.5s IncrementalHoareTripleChecker+Time [2022-12-13 12:25:09,136 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3119 Valid, 7259 Invalid, 5270 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [964 Valid, 4305 Invalid, 1 Unknown, 0 Unchecked, 5.5s Time] [2022-12-13 12:25:09,142 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7541 states. [2022-12-13 12:25:09,476 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7541 to 7405. [2022-12-13 12:25:09,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7405 states, 5012 states have (on average 1.2426177174780526) internal successors, (6228), 5094 states have internal predecessors, (6228), 2122 states have call successors, (2122), 259 states have call predecessors, (2122), 268 states have return successors, (2177), 2099 states have call predecessors, (2177), 2119 states have call successors, (2177) [2022-12-13 12:25:09,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7405 states to 7405 states and 10527 transitions. [2022-12-13 12:25:09,503 INFO L78 Accepts]: Start accepts. Automaton has 7405 states and 10527 transitions. Word has length 211 [2022-12-13 12:25:09,503 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 12:25:09,503 INFO L495 AbstractCegarLoop]: Abstraction has 7405 states and 10527 transitions. [2022-12-13 12:25:09,503 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.0) internal successors, (54), 4 states have internal predecessors, (54), 2 states have call successors, (26), 4 states have call predecessors, (26), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2022-12-13 12:25:09,503 INFO L276 IsEmpty]: Start isEmpty. Operand 7405 states and 10527 transitions. [2022-12-13 12:25:09,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 235 [2022-12-13 12:25:09,508 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 12:25:09,508 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 10, 10, 10, 10, 10, 10, 7, 6, 6, 6, 6, 6, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 12:25:09,508 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-12-13 12:25:09,508 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-12-13 12:25:09,508 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 12:25:09,509 INFO L85 PathProgramCache]: Analyzing trace with hash 695384542, now seen corresponding path program 1 times [2022-12-13 12:25:09,509 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 12:25:09,509 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1771904215] [2022-12-13 12:25:09,509 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 12:25:09,509 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 12:25:09,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:25:09,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-12-13 12:25:09,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:25:09,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:25:09,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:25:09,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-12-13 12:25:09,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:25:09,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:25:09,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:25:09,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-12-13 12:25:09,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:25:09,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:25:09,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:25:09,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-12-13 12:25:09,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:25:09,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:25:09,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:25:09,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-12-13 12:25:09,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:25:09,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:25:09,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:25:09,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-12-13 12:25:09,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:25:09,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:25:09,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:25:09,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-12-13 12:25:09,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:25:09,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:25:09,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:25:09,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-12-13 12:25:09,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:25:09,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:25:09,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:25:09,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-12-13 12:25:09,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:25:09,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:25:09,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:25:09,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-12-13 12:25:09,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:25:09,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:25:09,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:25:09,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-12-13 12:25:09,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:25:09,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2022-12-13 12:25:09,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:25:09,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2022-12-13 12:25:09,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:25:09,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2022-12-13 12:25:09,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:25:09,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2022-12-13 12:25:09,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:25:09,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:25:09,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:25:09,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2022-12-13 12:25:09,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:25:09,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2022-12-13 12:25:09,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:25:09,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2022-12-13 12:25:09,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:25:09,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2022-12-13 12:25:09,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:25:09,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2022-12-13 12:25:09,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:25:09,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2022-12-13 12:25:09,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:25:09,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2022-12-13 12:25:09,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:25:09,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2022-12-13 12:25:09,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:25:09,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2022-12-13 12:25:09,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:25:09,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2022-12-13 12:25:09,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:25:09,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2022-12-13 12:25:09,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:25:09,855 INFO L134 CoverageAnalysis]: Checked inductivity of 680 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 663 trivial. 0 not checked. [2022-12-13 12:25:09,856 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 12:25:09,856 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1771904215] [2022-12-13 12:25:09,856 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1771904215] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 12:25:09,856 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 12:25:09,856 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-13 12:25:09,856 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1879322676] [2022-12-13 12:25:09,856 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 12:25:09,856 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-13 12:25:09,857 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 12:25:09,857 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-13 12:25:09,857 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-13 12:25:09,857 INFO L87 Difference]: Start difference. First operand 7405 states and 10527 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, (30), 3 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 12:25:12,100 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 12:25:16,223 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 12:25:16,223 INFO L93 Difference]: Finished difference Result 15060 states and 21370 transitions. [2022-12-13 12:25:16,224 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-13 12:25:16,224 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, (30), 3 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 234 [2022-12-13 12:25:16,225 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 12:25:16,260 INFO L225 Difference]: With dead ends: 15060 [2022-12-13 12:25:16,260 INFO L226 Difference]: Without dead ends: 11150 [2022-12-13 12:25:16,276 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 76 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-13 12:25:16,276 INFO L413 NwaCegarLoop]: 4224 mSDtfsCounter, 2701 mSDsluCounter, 4203 mSDsCounter, 0 mSdLazyCounter, 3359 mSolverCounterSat, 935 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3216 SdHoareTripleChecker+Valid, 8427 SdHoareTripleChecker+Invalid, 4295 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 935 IncrementalHoareTripleChecker+Valid, 3359 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.8s IncrementalHoareTripleChecker+Time [2022-12-13 12:25:16,276 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3216 Valid, 8427 Invalid, 4295 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [935 Valid, 3359 Invalid, 1 Unknown, 0 Unchecked, 5.8s Time] [2022-12-13 12:25:16,284 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11150 states. [2022-12-13 12:25:16,805 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11150 to 10899. [2022-12-13 12:25:16,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10899 states, 7393 states have (on average 1.243608819153253) internal successors, (9194), 7510 states have internal predecessors, (9194), 3109 states have call successors, (3109), 380 states have call predecessors, (3109), 394 states have return successors, (3188), 3078 states have call predecessors, (3188), 3106 states have call successors, (3188) [2022-12-13 12:25:16,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10899 states to 10899 states and 15491 transitions. [2022-12-13 12:25:16,844 INFO L78 Accepts]: Start accepts. Automaton has 10899 states and 15491 transitions. Word has length 234 [2022-12-13 12:25:16,844 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 12:25:16,844 INFO L495 AbstractCegarLoop]: Abstraction has 10899 states and 15491 transitions. [2022-12-13 12:25:16,844 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, (30), 3 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 12:25:16,845 INFO L276 IsEmpty]: Start isEmpty. Operand 10899 states and 15491 transitions. [2022-12-13 12:25:16,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 217 [2022-12-13 12:25:16,853 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 12:25:16,853 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 10, 10, 10, 10, 10, 10, 7, 6, 6, 4, 4, 4, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 12:25:16,853 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-12-13 12:25:16,853 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-12-13 12:25:16,854 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 12:25:16,854 INFO L85 PathProgramCache]: Analyzing trace with hash 900849553, now seen corresponding path program 1 times [2022-12-13 12:25:16,854 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 12:25:16,854 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2052551078] [2022-12-13 12:25:16,854 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 12:25:16,854 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 12:25:16,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:25:17,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-12-13 12:25:17,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:25:17,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:25:17,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:25:17,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-12-13 12:25:17,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:25:17,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:25:17,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:25:17,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-12-13 12:25:17,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:25:17,259 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:25:17,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:25:17,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-12-13 12:25:17,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:25:17,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:25:17,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:25:17,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-12-13 12:25:17,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:25:17,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:25:17,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:25:17,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-12-13 12:25:17,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:25:17,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:25:17,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:25:17,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-12-13 12:25:17,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:25:17,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:25:17,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:25:17,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-12-13 12:25:17,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:25:17,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:25:17,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:25:17,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-12-13 12:25:17,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:25:17,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:25:17,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:25:17,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-12-13 12:25:17,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:25:17,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:25:17,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:25:17,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-12-13 12:25:17,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:25:17,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2022-12-13 12:25:17,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:25:17,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2022-12-13 12:25:17,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:25:17,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2022-12-13 12:25:17,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:25:17,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2022-12-13 12:25:17,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:25:17,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:25:17,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:25:17,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2022-12-13 12:25:17,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:25:17,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2022-12-13 12:25:17,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:25:17,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2022-12-13 12:25:17,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:25:17,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2022-12-13 12:25:17,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:25:17,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2022-12-13 12:25:17,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:25:17,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2022-12-13 12:25:17,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:25:17,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2022-12-13 12:25:17,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:25:17,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2022-12-13 12:25:17,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:25:17,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2022-12-13 12:25:17,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:25:17,497 INFO L134 CoverageAnalysis]: Checked inductivity of 645 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 633 trivial. 0 not checked. [2022-12-13 12:25:17,497 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 12:25:17,498 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2052551078] [2022-12-13 12:25:17,498 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2052551078] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 12:25:17,498 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 12:25:17,498 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-12-13 12:25:17,498 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1135430629] [2022-12-13 12:25:17,498 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 12:25:17,499 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-13 12:25:17,499 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 12:25:17,499 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 12:25:17,499 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-12-13 12:25:17,499 INFO L87 Difference]: Start difference. First operand 10899 states and 15491 transitions. Second operand has 6 states, 6 states have (on average 9.0) internal successors, (54), 4 states have internal predecessors, (54), 2 states have call successors, (27), 4 states have call predecessors, (27), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2022-12-13 12:25:19,909 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 12:25:23,911 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 12:25:23,911 INFO L93 Difference]: Finished difference Result 11361 states and 16042 transitions. [2022-12-13 12:25:23,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-12-13 12:25:23,912 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.0) internal successors, (54), 4 states have internal predecessors, (54), 2 states have call successors, (27), 4 states have call predecessors, (27), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) Word has length 216 [2022-12-13 12:25:23,912 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 12:25:23,943 INFO L225 Difference]: With dead ends: 11361 [2022-12-13 12:25:23,943 INFO L226 Difference]: Without dead ends: 11359 [2022-12-13 12:25:23,948 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 71 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2022-12-13 12:25:23,949 INFO L413 NwaCegarLoop]: 2232 mSDtfsCounter, 2667 mSDsluCounter, 5111 mSDsCounter, 0 mSdLazyCounter, 4412 mSolverCounterSat, 966 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3101 SdHoareTripleChecker+Valid, 7343 SdHoareTripleChecker+Invalid, 5379 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 966 IncrementalHoareTripleChecker+Valid, 4412 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.7s IncrementalHoareTripleChecker+Time [2022-12-13 12:25:23,949 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3101 Valid, 7343 Invalid, 5379 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [966 Valid, 4412 Invalid, 1 Unknown, 0 Unchecked, 5.7s Time] [2022-12-13 12:25:23,965 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11359 states. [2022-12-13 12:25:24,535 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11359 to 11131. [2022-12-13 12:25:24,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11131 states, 7552 states have (on average 1.2412605932203389) internal successors, (9374), 7669 states have internal predecessors, (9374), 3139 states have call successors, (3139), 423 states have call predecessors, (3139), 437 states have return successors, (3218), 3108 states have call predecessors, (3218), 3136 states have call successors, (3218) [2022-12-13 12:25:24,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11131 states to 11131 states and 15731 transitions. [2022-12-13 12:25:24,574 INFO L78 Accepts]: Start accepts. Automaton has 11131 states and 15731 transitions. Word has length 216 [2022-12-13 12:25:24,575 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 12:25:24,575 INFO L495 AbstractCegarLoop]: Abstraction has 11131 states and 15731 transitions. [2022-12-13 12:25:24,575 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.0) internal successors, (54), 4 states have internal predecessors, (54), 2 states have call successors, (27), 4 states have call predecessors, (27), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2022-12-13 12:25:24,575 INFO L276 IsEmpty]: Start isEmpty. Operand 11131 states and 15731 transitions. [2022-12-13 12:25:24,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 222 [2022-12-13 12:25:24,579 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 12:25:24,580 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 10, 10, 10, 10, 10, 10, 8, 7, 7, 4, 4, 4, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 12:25:24,580 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-12-13 12:25:24,580 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-12-13 12:25:24,580 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 12:25:24,580 INFO L85 PathProgramCache]: Analyzing trace with hash 421990951, now seen corresponding path program 1 times [2022-12-13 12:25:24,580 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 12:25:24,580 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [622470689] [2022-12-13 12:25:24,581 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 12:25:24,581 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 12:25:24,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:25:24,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-12-13 12:25:24,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:25:24,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:25:24,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:25:24,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-12-13 12:25:24,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:25:24,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:25:24,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:25:24,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-12-13 12:25:24,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:25:24,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:25:24,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:25:24,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-12-13 12:25:24,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:25:24,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:25:24,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:25:24,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-12-13 12:25:24,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:25:24,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:25:24,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:25:24,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-12-13 12:25:24,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:25:24,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:25:24,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:25:24,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-12-13 12:25:24,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:25:24,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:25:24,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:25:24,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-12-13 12:25:24,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:25:24,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:25:24,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:25:24,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-12-13 12:25:24,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:25:24,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:25:24,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:25:24,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-12-13 12:25:24,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:25:25,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:25:25,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:25:25,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-12-13 12:25:25,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:25:25,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2022-12-13 12:25:25,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:25:25,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2022-12-13 12:25:25,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:25:25,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2022-12-13 12:25:25,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:25:25,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2022-12-13 12:25:25,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:25:25,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:25:25,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:25:25,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2022-12-13 12:25:25,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:25:25,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2022-12-13 12:25:25,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:25:25,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2022-12-13 12:25:25,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:25:25,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2022-12-13 12:25:25,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:25:25,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2022-12-13 12:25:25,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:25:25,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2022-12-13 12:25:25,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:25:25,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2022-12-13 12:25:25,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:25:25,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2022-12-13 12:25:25,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:25:25,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2022-12-13 12:25:25,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:25:25,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2022-12-13 12:25:25,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:25:25,092 INFO L134 CoverageAnalysis]: Checked inductivity of 671 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 657 trivial. 0 not checked. [2022-12-13 12:25:25,092 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 12:25:25,092 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [622470689] [2022-12-13 12:25:25,092 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [622470689] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 12:25:25,092 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 12:25:25,092 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-12-13 12:25:25,092 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [866091878] [2022-12-13 12:25:25,092 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 12:25:25,092 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-13 12:25:25,092 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 12:25:25,093 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 12:25:25,093 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-12-13 12:25:25,093 INFO L87 Difference]: Start difference. First operand 11131 states and 15731 transitions. Second operand has 6 states, 6 states have (on average 9.0) internal successors, (54), 4 states have internal predecessors, (54), 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 12:25:27,424 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 12:25:31,361 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 12:25:31,361 INFO L93 Difference]: Finished difference Result 11365 states and 16045 transitions. [2022-12-13 12:25:31,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-12-13 12:25:31,362 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.0) internal successors, (54), 4 states have internal predecessors, (54), 2 states have call successors, (28), 4 states have call predecessors, (28), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) Word has length 221 [2022-12-13 12:25:31,362 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 12:25:31,391 INFO L225 Difference]: With dead ends: 11365 [2022-12-13 12:25:31,391 INFO L226 Difference]: Without dead ends: 11363 [2022-12-13 12:25:31,395 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 73 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2022-12-13 12:25:31,396 INFO L413 NwaCegarLoop]: 2230 mSDtfsCounter, 2683 mSDsluCounter, 5029 mSDsCounter, 0 mSdLazyCounter, 4305 mSolverCounterSat, 962 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3119 SdHoareTripleChecker+Valid, 7259 SdHoareTripleChecker+Invalid, 5268 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 962 IncrementalHoareTripleChecker+Valid, 4305 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.4s IncrementalHoareTripleChecker+Time [2022-12-13 12:25:31,396 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3119 Valid, 7259 Invalid, 5268 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [962 Valid, 4305 Invalid, 1 Unknown, 0 Unchecked, 5.4s Time] [2022-12-13 12:25:31,403 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11363 states. [2022-12-13 12:25:32,070 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11363 to 11135. [2022-12-13 12:25:32,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11135 states, 7555 states have (on average 1.241164791528789) internal successors, (9377), 7672 states have internal predecessors, (9377), 3139 states have call successors, (3139), 424 states have call predecessors, (3139), 438 states have return successors, (3218), 3108 states have call predecessors, (3218), 3136 states have call successors, (3218) [2022-12-13 12:25:32,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11135 states to 11135 states and 15734 transitions. [2022-12-13 12:25:32,127 INFO L78 Accepts]: Start accepts. Automaton has 11135 states and 15734 transitions. Word has length 221 [2022-12-13 12:25:32,127 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 12:25:32,127 INFO L495 AbstractCegarLoop]: Abstraction has 11135 states and 15734 transitions. [2022-12-13 12:25:32,127 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.0) internal successors, (54), 4 states have internal predecessors, (54), 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 12:25:32,127 INFO L276 IsEmpty]: Start isEmpty. Operand 11135 states and 15734 transitions. [2022-12-13 12:25:32,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 245 [2022-12-13 12:25:32,132 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 12:25:32,132 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 10, 10, 10, 10, 10, 10, 9, 8, 8, 6, 6, 6, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 12:25:32,132 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-12-13 12:25:32,133 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-12-13 12:25:32,133 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 12:25:32,133 INFO L85 PathProgramCache]: Analyzing trace with hash 665157276, now seen corresponding path program 1 times [2022-12-13 12:25:32,133 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 12:25:32,133 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1305722966] [2022-12-13 12:25:32,133 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 12:25:32,133 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 12:25:32,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:25:32,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-12-13 12:25:32,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:25:32,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:25:32,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:25:32,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-12-13 12:25:32,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:25:32,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:25:32,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:25:32,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-12-13 12:25:32,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:25:32,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:25:32,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:25:32,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-12-13 12:25:32,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:25:32,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:25:32,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:25:32,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-12-13 12:25:32,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:25:32,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:25:32,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:25:32,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-12-13 12:25:32,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:25:32,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:25:32,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:25:32,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-12-13 12:25:32,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:25:32,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:25:32,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:25:32,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-12-13 12:25:32,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:25:32,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:25:32,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:25:32,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-12-13 12:25:32,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:25:32,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:25:32,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:25:32,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-12-13 12:25:32,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:25:32,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:25:32,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:25:32,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-12-13 12:25:32,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:25:32,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2022-12-13 12:25:32,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:25:32,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2022-12-13 12:25:32,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:25:32,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2022-12-13 12:25:32,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:25:32,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2022-12-13 12:25:32,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:25:32,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:25:32,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:25:32,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2022-12-13 12:25:32,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:25:32,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2022-12-13 12:25:32,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:25:32,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2022-12-13 12:25:32,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:25:32,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2022-12-13 12:25:32,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:25:32,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2022-12-13 12:25:32,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:25:32,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2022-12-13 12:25:32,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:25:32,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2022-12-13 12:25:32,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:25:32,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2022-12-13 12:25:32,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:25:32,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2022-12-13 12:25:32,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:25:32,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2022-12-13 12:25:32,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:25:32,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2022-12-13 12:25:32,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:25:32,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2022-12-13 12:25:32,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:25:32,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2022-12-13 12:25:32,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:25:32,558 INFO L134 CoverageAnalysis]: Checked inductivity of 736 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 720 trivial. 0 not checked. [2022-12-13 12:25:32,558 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 12:25:32,558 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1305722966] [2022-12-13 12:25:32,558 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1305722966] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 12:25:32,558 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 12:25:32,558 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-12-13 12:25:32,558 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [546703051] [2022-12-13 12:25:32,558 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 12:25:32,559 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-13 12:25:32,559 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 12:25:32,559 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 12:25:32,559 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-12-13 12:25:32,559 INFO L87 Difference]: Start difference. First operand 11135 states and 15734 transitions. Second operand has 6 states, 6 states have (on average 10.5) internal successors, (63), 4 states have internal predecessors, (63), 2 states have call successors, (31), 4 states have call predecessors, (31), 1 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) [2022-12-13 12:25:34,941 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 12:25:39,364 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 12:25:39,365 INFO L93 Difference]: Finished difference Result 11369 states and 16048 transitions. [2022-12-13 12:25:39,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-12-13 12:25:39,365 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.5) internal successors, (63), 4 states have internal predecessors, (63), 2 states have call successors, (31), 4 states have call predecessors, (31), 1 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) Word has length 244 [2022-12-13 12:25:39,365 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 12:25:39,396 INFO L225 Difference]: With dead ends: 11369 [2022-12-13 12:25:39,396 INFO L226 Difference]: Without dead ends: 11367 [2022-12-13 12:25:39,400 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 79 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2022-12-13 12:25:39,401 INFO L413 NwaCegarLoop]: 2230 mSDtfsCounter, 2674 mSDsluCounter, 5029 mSDsCounter, 0 mSdLazyCounter, 4305 mSolverCounterSat, 961 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3108 SdHoareTripleChecker+Valid, 7259 SdHoareTripleChecker+Invalid, 5267 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 961 IncrementalHoareTripleChecker+Valid, 4305 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.0s IncrementalHoareTripleChecker+Time [2022-12-13 12:25:39,401 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3108 Valid, 7259 Invalid, 5267 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [961 Valid, 4305 Invalid, 1 Unknown, 0 Unchecked, 6.0s Time] [2022-12-13 12:25:39,408 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11367 states. [2022-12-13 12:25:40,014 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11367 to 11139. [2022-12-13 12:25:40,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11139 states, 7558 states have (on average 1.2410690658904473) internal successors, (9380), 7675 states have internal predecessors, (9380), 3139 states have call successors, (3139), 425 states have call predecessors, (3139), 439 states have return successors, (3218), 3108 states have call predecessors, (3218), 3136 states have call successors, (3218) [2022-12-13 12:25:40,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11139 states to 11139 states and 15737 transitions. [2022-12-13 12:25:40,054 INFO L78 Accepts]: Start accepts. Automaton has 11139 states and 15737 transitions. Word has length 244 [2022-12-13 12:25:40,054 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 12:25:40,054 INFO L495 AbstractCegarLoop]: Abstraction has 11139 states and 15737 transitions. [2022-12-13 12:25:40,054 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.5) internal successors, (63), 4 states have internal predecessors, (63), 2 states have call successors, (31), 4 states have call predecessors, (31), 1 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) [2022-12-13 12:25:40,054 INFO L276 IsEmpty]: Start isEmpty. Operand 11139 states and 15737 transitions. [2022-12-13 12:25:40,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 250 [2022-12-13 12:25:40,059 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 12:25:40,060 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 10, 10, 10, 10, 10, 10, 10, 9, 9, 6, 6, 6, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 12:25:40,060 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-12-13 12:25:40,060 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-12-13 12:25:40,060 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 12:25:40,060 INFO L85 PathProgramCache]: Analyzing trace with hash -862039684, now seen corresponding path program 1 times [2022-12-13 12:25:40,060 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 12:25:40,060 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1636376061] [2022-12-13 12:25:40,060 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 12:25:40,060 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 12:25:40,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:25:40,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-12-13 12:25:40,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:25:40,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:25:40,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:25:40,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-12-13 12:25:40,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:25:40,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:25:40,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:25:40,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-12-13 12:25:40,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:25:40,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:25:40,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:25:40,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-12-13 12:25:40,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:25:40,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:25:40,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:25:40,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-12-13 12:25:40,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:25:40,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:25:40,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:25:40,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-12-13 12:25:40,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:25:40,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:25:40,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:25:40,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-12-13 12:25:40,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:25:40,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:25:40,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:25:40,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-12-13 12:25:40,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:25:40,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:25:40,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:25:40,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-12-13 12:25:40,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:25:40,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:25:40,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:25:40,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-12-13 12:25:40,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:25:40,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:25:40,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:25:40,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-12-13 12:25:40,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:25:40,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2022-12-13 12:25:40,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:25:40,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2022-12-13 12:25:40,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:25:40,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2022-12-13 12:25:40,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:25:40,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2022-12-13 12:25:40,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:25:40,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:25:40,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:25:40,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2022-12-13 12:25:40,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:25:40,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2022-12-13 12:25:40,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:25:40,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2022-12-13 12:25:40,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:25:40,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2022-12-13 12:25:40,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:25:40,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2022-12-13 12:25:40,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:25:40,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2022-12-13 12:25:40,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:25:40,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2022-12-13 12:25:40,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:25:40,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2022-12-13 12:25:40,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:25:40,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2022-12-13 12:25:40,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:25:40,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2022-12-13 12:25:40,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:25:40,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2022-12-13 12:25:40,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:25:40,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2022-12-13 12:25:40,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:25:40,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2022-12-13 12:25:40,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:25:40,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2022-12-13 12:25:40,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:25:40,676 INFO L134 CoverageAnalysis]: Checked inductivity of 770 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 752 trivial. 0 not checked. [2022-12-13 12:25:40,677 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 12:25:40,677 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1636376061] [2022-12-13 12:25:40,677 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1636376061] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 12:25:40,677 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 12:25:40,677 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-12-13 12:25:40,677 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [677835888] [2022-12-13 12:25:40,677 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 12:25:40,677 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-13 12:25:40,677 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 12:25:40,678 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 12:25:40,678 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-12-13 12:25:40,678 INFO L87 Difference]: Start difference. First operand 11139 states and 15737 transitions. Second operand has 6 states, 6 states have (on average 10.5) internal successors, (63), 4 states have internal predecessors, (63), 2 states have call successors, (32), 4 states have call predecessors, (32), 1 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2022-12-13 12:25:42,947 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 12:25:46,623 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 12:25:46,624 INFO L93 Difference]: Finished difference Result 11373 states and 16051 transitions. [2022-12-13 12:25:46,624 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-12-13 12:25:46,624 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.5) internal successors, (63), 4 states have internal predecessors, (63), 2 states have call successors, (32), 4 states have call predecessors, (32), 1 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) Word has length 249 [2022-12-13 12:25:46,624 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 12:25:46,654 INFO L225 Difference]: With dead ends: 11373 [2022-12-13 12:25:46,654 INFO L226 Difference]: Without dead ends: 11371 [2022-12-13 12:25:46,659 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 89 GetRequests, 81 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2022-12-13 12:25:46,659 INFO L413 NwaCegarLoop]: 2230 mSDtfsCounter, 2674 mSDsluCounter, 5029 mSDsCounter, 0 mSdLazyCounter, 4305 mSolverCounterSat, 960 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3108 SdHoareTripleChecker+Valid, 7259 SdHoareTripleChecker+Invalid, 5266 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 960 IncrementalHoareTripleChecker+Valid, 4305 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.1s IncrementalHoareTripleChecker+Time [2022-12-13 12:25:46,659 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3108 Valid, 7259 Invalid, 5266 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [960 Valid, 4305 Invalid, 1 Unknown, 0 Unchecked, 5.1s Time] [2022-12-13 12:25:46,666 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11371 states. [2022-12-13 12:25:47,319 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11371 to 11143. [2022-12-13 12:25:47,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11143 states, 7561 states have (on average 1.2409734162147863) internal successors, (9383), 7678 states have internal predecessors, (9383), 3139 states have call successors, (3139), 426 states have call predecessors, (3139), 440 states have return successors, (3218), 3108 states have call predecessors, (3218), 3136 states have call successors, (3218) [2022-12-13 12:25:47,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11143 states to 11143 states and 15740 transitions. [2022-12-13 12:25:47,357 INFO L78 Accepts]: Start accepts. Automaton has 11143 states and 15740 transitions. Word has length 249 [2022-12-13 12:25:47,358 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 12:25:47,358 INFO L495 AbstractCegarLoop]: Abstraction has 11143 states and 15740 transitions. [2022-12-13 12:25:47,358 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.5) internal successors, (63), 4 states have internal predecessors, (63), 2 states have call successors, (32), 4 states have call predecessors, (32), 1 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2022-12-13 12:25:47,358 INFO L276 IsEmpty]: Start isEmpty. Operand 11143 states and 15740 transitions. [2022-12-13 12:25:47,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 255 [2022-12-13 12:25:47,363 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 12:25:47,364 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 11, 10, 10, 10, 10, 10, 10, 10, 10, 6, 6, 6, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 12:25:47,364 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-12-13 12:25:47,364 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-12-13 12:25:47,364 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 12:25:47,364 INFO L85 PathProgramCache]: Analyzing trace with hash 1521705564, now seen corresponding path program 1 times [2022-12-13 12:25:47,364 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 12:25:47,364 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [896529679] [2022-12-13 12:25:47,364 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 12:25:47,365 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 12:25:47,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:25:47,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-12-13 12:25:47,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:25:47,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:25:47,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:25:47,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-12-13 12:25:47,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:25:47,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:25:47,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:25:47,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-12-13 12:25:47,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:25:47,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:25:47,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:25:47,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-12-13 12:25:47,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:25:47,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:25:47,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:25:47,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-12-13 12:25:47,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:25:47,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:25:47,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:25:47,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-12-13 12:25:47,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:25:47,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:25:47,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:25:47,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-12-13 12:25:47,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:25:47,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:25:47,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:25:47,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-12-13 12:25:47,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:25:47,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:25:47,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:25:47,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-12-13 12:25:47,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:25:47,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:25:47,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:25:47,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-12-13 12:25:47,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:25:47,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:25:47,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:25:47,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-12-13 12:25:47,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:25:47,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2022-12-13 12:25:47,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:25:47,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2022-12-13 12:25:47,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:25:47,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2022-12-13 12:25:47,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:25:47,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2022-12-13 12:25:47,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:25:47,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:25:47,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:25:47,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2022-12-13 12:25:47,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:25:47,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2022-12-13 12:25:47,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:25:47,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2022-12-13 12:25:47,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:25:47,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2022-12-13 12:25:47,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:25:47,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2022-12-13 12:25:47,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:25:47,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2022-12-13 12:25:47,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:25:47,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2022-12-13 12:25:47,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:25:47,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2022-12-13 12:25:47,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:25:47,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2022-12-13 12:25:47,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:25:47,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2022-12-13 12:25:47,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:25:47,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2022-12-13 12:25:47,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:25:47,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2022-12-13 12:25:47,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:25:47,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2022-12-13 12:25:47,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:25:47,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2022-12-13 12:25:47,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:25:47,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2022-12-13 12:25:47,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:25:47,770 INFO L134 CoverageAnalysis]: Checked inductivity of 808 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 788 trivial. 0 not checked. [2022-12-13 12:25:47,770 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 12:25:47,770 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [896529679] [2022-12-13 12:25:47,770 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [896529679] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 12:25:47,770 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 12:25:47,770 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-12-13 12:25:47,770 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [432311497] [2022-12-13 12:25:47,771 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 12:25:47,771 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-13 12:25:47,771 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 12:25:47,771 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 12:25:47,771 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-12-13 12:25:47,771 INFO L87 Difference]: Start difference. First operand 11143 states and 15740 transitions. Second operand has 6 states, 6 states have (on average 10.5) internal successors, (63), 4 states have internal predecessors, (63), 2 states have call successors, (33), 4 states have call predecessors, (33), 1 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2022-12-13 12:25:50,071 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 12:25:53,922 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 12:25:53,922 INFO L93 Difference]: Finished difference Result 11377 states and 16054 transitions. [2022-12-13 12:25:53,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-12-13 12:25:53,923 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.5) internal successors, (63), 4 states have internal predecessors, (63), 2 states have call successors, (33), 4 states have call predecessors, (33), 1 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) Word has length 254 [2022-12-13 12:25:53,923 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 12:25:53,961 INFO L225 Difference]: With dead ends: 11377 [2022-12-13 12:25:53,961 INFO L226 Difference]: Without dead ends: 11373 [2022-12-13 12:25:53,967 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 91 GetRequests, 83 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2022-12-13 12:25:53,968 INFO L413 NwaCegarLoop]: 2229 mSDtfsCounter, 2674 mSDsluCounter, 5026 mSDsCounter, 0 mSdLazyCounter, 4305 mSolverCounterSat, 959 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3109 SdHoareTripleChecker+Valid, 7255 SdHoareTripleChecker+Invalid, 5265 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 959 IncrementalHoareTripleChecker+Valid, 4305 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.3s IncrementalHoareTripleChecker+Time [2022-12-13 12:25:53,968 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3109 Valid, 7255 Invalid, 5265 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [959 Valid, 4305 Invalid, 1 Unknown, 0 Unchecked, 5.3s Time] [2022-12-13 12:25:53,977 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11373 states. [2022-12-13 12:25:54,879 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11373 to 11145. [2022-12-13 12:25:54,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11145 states, 7563 states have (on average 1.240777469258231) internal successors, (9384), 7679 states have internal predecessors, (9384), 3139 states have call successors, (3139), 427 states have call predecessors, (3139), 440 states have return successors, (3218), 3108 states have call predecessors, (3218), 3136 states have call successors, (3218) [2022-12-13 12:25:54,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11145 states to 11145 states and 15741 transitions. [2022-12-13 12:25:54,934 INFO L78 Accepts]: Start accepts. Automaton has 11145 states and 15741 transitions. Word has length 254 [2022-12-13 12:25:54,934 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 12:25:54,935 INFO L495 AbstractCegarLoop]: Abstraction has 11145 states and 15741 transitions. [2022-12-13 12:25:54,935 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.5) internal successors, (63), 4 states have internal predecessors, (63), 2 states have call successors, (33), 4 states have call predecessors, (33), 1 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2022-12-13 12:25:54,935 INFO L276 IsEmpty]: Start isEmpty. Operand 11145 states and 15741 transitions. [2022-12-13 12:25:54,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 242 [2022-12-13 12:25:54,947 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 12:25:54,947 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 12, 11, 11, 10, 10, 10, 10, 10, 10, 4, 4, 4, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 12:25:54,947 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-12-13 12:25:54,947 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-12-13 12:25:54,947 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 12:25:54,948 INFO L85 PathProgramCache]: Analyzing trace with hash 1505556007, now seen corresponding path program 1 times [2022-12-13 12:25:54,948 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 12:25:54,948 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1481727060] [2022-12-13 12:25:54,948 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 12:25:54,948 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 12:25:55,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:25:55,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-12-13 12:25:55,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:25:55,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:25:55,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:25:55,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-12-13 12:25:55,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:25:55,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:25:55,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:25:55,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-12-13 12:25:55,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:25:55,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:25:55,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:25:55,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-12-13 12:25:55,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:25:55,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:25:55,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:25:55,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-12-13 12:25:55,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:25:55,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:25:55,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:25:55,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-12-13 12:25:55,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:25:55,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:25:55,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:25:55,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-12-13 12:25:55,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:25:55,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:25:55,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:25:55,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-12-13 12:25:55,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:25:55,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:25:55,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:25:55,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-12-13 12:25:55,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:25:55,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:25:55,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:25:55,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-12-13 12:25:55,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:25:55,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:25:55,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:25:55,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-12-13 12:25:55,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:25:55,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2022-12-13 12:25:55,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:25:55,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2022-12-13 12:25:55,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:25:55,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2022-12-13 12:25:55,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:25:55,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2022-12-13 12:25:55,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:25:55,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:25:55,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:25:55,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2022-12-13 12:25:55,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:25:55,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2022-12-13 12:25:55,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:25:55,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2022-12-13 12:25:55,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:25:55,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2022-12-13 12:25:55,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:25:55,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2022-12-13 12:25:55,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:25:55,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2022-12-13 12:25:55,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:25:55,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2022-12-13 12:25:55,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:25:55,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2022-12-13 12:25:55,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:25:55,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2022-12-13 12:25:55,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:25:55,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2022-12-13 12:25:55,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:25:55,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2022-12-13 12:25:55,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:25:55,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2022-12-13 12:25:55,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:25:55,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2022-12-13 12:25:55,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:25:55,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2022-12-13 12:25:55,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:25:55,456 INFO L134 CoverageAnalysis]: Checked inductivity of 815 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 793 trivial. 0 not checked. [2022-12-13 12:25:55,456 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 12:25:55,456 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1481727060] [2022-12-13 12:25:55,456 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1481727060] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 12:25:55,457 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 12:25:55,457 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-12-13 12:25:55,457 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1260478438] [2022-12-13 12:25:55,457 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 12:25:55,457 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-13 12:25:55,458 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 12:25:55,458 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 12:25:55,458 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-12-13 12:25:55,458 INFO L87 Difference]: Start difference. First operand 11145 states and 15741 transitions. Second operand has 6 states, 6 states have (on average 9.0) internal successors, (54), 4 states have internal predecessors, (54), 2 states have call successors, (32), 4 states have call predecessors, (32), 1 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2022-12-13 12:25:57,800 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 12:26:01,512 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 12:26:01,512 INFO L93 Difference]: Finished difference Result 11373 states and 16050 transitions. [2022-12-13 12:26:01,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-12-13 12:26:01,513 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.0) internal successors, (54), 4 states have internal predecessors, (54), 2 states have call successors, (32), 4 states have call predecessors, (32), 1 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) Word has length 241 [2022-12-13 12:26:01,513 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 12:26:01,544 INFO L225 Difference]: With dead ends: 11373 [2022-12-13 12:26:01,544 INFO L226 Difference]: Without dead ends: 11286 [2022-12-13 12:26:01,550 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 89 GetRequests, 81 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2022-12-13 12:26:01,550 INFO L413 NwaCegarLoop]: 2231 mSDtfsCounter, 2677 mSDsluCounter, 5032 mSDsCounter, 0 mSdLazyCounter, 4297 mSolverCounterSat, 958 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3112 SdHoareTripleChecker+Valid, 7263 SdHoareTripleChecker+Invalid, 5256 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 958 IncrementalHoareTripleChecker+Valid, 4297 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.2s IncrementalHoareTripleChecker+Time [2022-12-13 12:26:01,550 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3112 Valid, 7263 Invalid, 5256 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [958 Valid, 4297 Invalid, 1 Unknown, 0 Unchecked, 5.2s Time] [2022-12-13 12:26:01,557 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11286 states. [2022-12-13 12:26:02,330 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11286 to 11058. [2022-12-13 12:26:02,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11058 states, 7510 states have (on average 1.2416777629826898) internal successors, (9325), 7622 states have internal predecessors, (9325), 3117 states have call successors, (3117), 414 states have call predecessors, (3117), 429 states have return successors, (3199), 3091 states have call predecessors, (3199), 3117 states have call successors, (3199) [2022-12-13 12:26:02,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11058 states to 11058 states and 15641 transitions. [2022-12-13 12:26:02,367 INFO L78 Accepts]: Start accepts. Automaton has 11058 states and 15641 transitions. Word has length 241 [2022-12-13 12:26:02,368 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 12:26:02,368 INFO L495 AbstractCegarLoop]: Abstraction has 11058 states and 15641 transitions. [2022-12-13 12:26:02,368 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.0) internal successors, (54), 4 states have internal predecessors, (54), 2 states have call successors, (32), 4 states have call predecessors, (32), 1 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2022-12-13 12:26:02,368 INFO L276 IsEmpty]: Start isEmpty. Operand 11058 states and 15641 transitions. [2022-12-13 12:26:02,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 275 [2022-12-13 12:26:02,374 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 12:26:02,374 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 12, 12, 12, 12, 12, 12, 4, 4, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 12:26:02,374 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-12-13 12:26:02,374 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-12-13 12:26:02,375 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 12:26:02,375 INFO L85 PathProgramCache]: Analyzing trace with hash 478396410, now seen corresponding path program 1 times [2022-12-13 12:26:02,375 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 12:26:02,375 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2140570964] [2022-12-13 12:26:02,375 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 12:26:02,375 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 12:26:02,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:26:02,480 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 12:26:02,480 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2140570964] [2022-12-13 12:26:02,480 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2022-12-13 12:26:02,481 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1995488604] [2022-12-13 12:26:02,481 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 12:26:02,481 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 12:26:02,481 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f858fa83-bfa6-4043-b9df-bf9384a95ff4/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 12:26:02,482 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f858fa83-bfa6-4043-b9df-bf9384a95ff4/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 12:26:02,483 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f858fa83-bfa6-4043-b9df-bf9384a95ff4/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-12-13 12:26:03,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:26:03,376 INFO L263 TraceCheckSpWp]: Trace formula consists of 3589 conjuncts, 2 conjunts are in the unsatisfiable core [2022-12-13 12:26:03,386 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 12:26:03,410 INFO L134 CoverageAnalysis]: Checked inductivity of 656 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 644 trivial. 0 not checked. [2022-12-13 12:26:03,410 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 12:26:03,410 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1995488604] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 12:26:03,410 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 12:26:03,410 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 12:26:03,410 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [47026563] [2022-12-13 12:26:03,411 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 12:26:03,411 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 12:26:03,411 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 12:26:03,411 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 12:26:03,411 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 12:26:03,412 INFO L87 Difference]: Start difference. First operand 11058 states and 15641 transitions. Second operand has 3 states, 3 states have (on average 38.0) internal successors, (114), 3 states have internal predecessors, (114), 2 states have call successors, (31), 2 states have call predecessors, (31), 2 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) [2022-12-13 12:26:04,377 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 12:26:04,378 INFO L93 Difference]: Finished difference Result 26239 states and 37452 transitions. [2022-12-13 12:26:04,380 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 12:26:04,380 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 38.0) internal successors, (114), 3 states have internal predecessors, (114), 2 states have call successors, (31), 2 states have call predecessors, (31), 2 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) Word has length 274 [2022-12-13 12:26:04,380 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 12:26:04,423 INFO L225 Difference]: With dead ends: 26239 [2022-12-13 12:26:04,423 INFO L226 Difference]: Without dead ends: 15206 [2022-12-13 12:26:04,464 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 273 GetRequests, 272 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 12:26:04,464 INFO L413 NwaCegarLoop]: 3899 mSDtfsCounter, 819 mSDsluCounter, 3035 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1010 SdHoareTripleChecker+Valid, 6934 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 12:26:04,464 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1010 Valid, 6934 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 12:26:04,475 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15206 states. [2022-12-13 12:26:05,437 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15206 to 11076. [2022-12-13 12:26:05,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11076 states, 7528 states have (on average 1.2418969181721573) internal successors, (9349), 7640 states have internal predecessors, (9349), 3117 states have call successors, (3117), 414 states have call predecessors, (3117), 429 states have return successors, (3199), 3091 states have call predecessors, (3199), 3117 states have call successors, (3199) [2022-12-13 12:26:05,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11076 states to 11076 states and 15665 transitions. [2022-12-13 12:26:05,476 INFO L78 Accepts]: Start accepts. Automaton has 11076 states and 15665 transitions. Word has length 274 [2022-12-13 12:26:05,476 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 12:26:05,476 INFO L495 AbstractCegarLoop]: Abstraction has 11076 states and 15665 transitions. [2022-12-13 12:26:05,476 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 38.0) internal successors, (114), 3 states have internal predecessors, (114), 2 states have call successors, (31), 2 states have call predecessors, (31), 2 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) [2022-12-13 12:26:05,476 INFO L276 IsEmpty]: Start isEmpty. Operand 11076 states and 15665 transitions. [2022-12-13 12:26:05,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 275 [2022-12-13 12:26:05,482 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 12:26:05,483 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 12, 12, 12, 12, 12, 12, 4, 4, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 12:26:05,493 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f858fa83-bfa6-4043-b9df-bf9384a95ff4/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-12-13 12:26:05,683 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f858fa83-bfa6-4043-b9df-bf9384a95ff4/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2022-12-13 12:26:05,685 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-12-13 12:26:05,685 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 12:26:05,686 INFO L85 PathProgramCache]: Analyzing trace with hash 1865181820, now seen corresponding path program 1 times [2022-12-13 12:26:05,686 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 12:26:05,686 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2012943360] [2022-12-13 12:26:05,687 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 12:26:05,687 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 12:26:05,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:26:05,808 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 12:26:05,808 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2012943360] [2022-12-13 12:26:05,808 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2022-12-13 12:26:05,808 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1463686664] [2022-12-13 12:26:05,808 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 12:26:05,808 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 12:26:05,808 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f858fa83-bfa6-4043-b9df-bf9384a95ff4/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 12:26:05,809 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f858fa83-bfa6-4043-b9df-bf9384a95ff4/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 12:26:05,811 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f858fa83-bfa6-4043-b9df-bf9384a95ff4/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-12-13 12:26:06,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:26:06,472 INFO L263 TraceCheckSpWp]: Trace formula consists of 3589 conjuncts, 2 conjunts are in the unsatisfiable core [2022-12-13 12:26:06,481 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 12:26:06,532 INFO L134 CoverageAnalysis]: Checked inductivity of 656 backedges. 216 proven. 0 refuted. 0 times theorem prover too weak. 440 trivial. 0 not checked. [2022-12-13 12:26:06,533 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 12:26:06,533 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1463686664] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 12:26:06,533 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 12:26:06,533 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 12:26:06,533 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1169014093] [2022-12-13 12:26:06,533 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 12:26:06,533 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 12:26:06,534 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 12:26:06,534 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 12:26:06,534 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 12:26:06,534 INFO L87 Difference]: Start difference. First operand 11076 states and 15665 transitions. Second operand has 3 states, 3 states have (on average 40.0) internal successors, (120), 3 states have internal predecessors, (120), 3 states have call successors, (32), 3 states have call predecessors, (32), 3 states have return successors, (30), 3 states have call predecessors, (30), 3 states have call successors, (30) [2022-12-13 12:26:08,212 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 12:26:08,212 INFO L93 Difference]: Finished difference Result 31399 states and 44487 transitions. [2022-12-13 12:26:08,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 12:26:08,213 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 40.0) internal successors, (120), 3 states have internal predecessors, (120), 3 states have call successors, (32), 3 states have call predecessors, (32), 3 states have return successors, (30), 3 states have call predecessors, (30), 3 states have call successors, (30) Word has length 274 [2022-12-13 12:26:08,213 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 12:26:08,274 INFO L225 Difference]: With dead ends: 31399 [2022-12-13 12:26:08,274 INFO L226 Difference]: Without dead ends: 20348 [2022-12-13 12:26:08,310 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 273 GetRequests, 272 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 12:26:08,311 INFO L413 NwaCegarLoop]: 3807 mSDtfsCounter, 2613 mSDsluCounter, 2643 mSDsCounter, 0 mSdLazyCounter, 66 mSolverCounterSat, 45 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2613 SdHoareTripleChecker+Valid, 6450 SdHoareTripleChecker+Invalid, 111 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 45 IncrementalHoareTripleChecker+Valid, 66 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-13 12:26:08,311 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2613 Valid, 6450 Invalid, 111 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [45 Valid, 66 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-13 12:26:08,324 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20348 states. [2022-12-13 12:26:09,785 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20348 to 20332. [2022-12-13 12:26:09,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20332 states, 13716 states have (on average 1.2392825896762905) internal successors, (16998), 13933 states have internal predecessors, (16998), 5831 states have call successors, (5831), 765 states have call predecessors, (5831), 783 states have return successors, (5976), 5761 states have call predecessors, (5976), 5831 states have call successors, (5976) [2022-12-13 12:26:09,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20332 states to 20332 states and 28805 transitions. [2022-12-13 12:26:09,868 INFO L78 Accepts]: Start accepts. Automaton has 20332 states and 28805 transitions. Word has length 274 [2022-12-13 12:26:09,868 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 12:26:09,868 INFO L495 AbstractCegarLoop]: Abstraction has 20332 states and 28805 transitions. [2022-12-13 12:26:09,868 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 40.0) internal successors, (120), 3 states have internal predecessors, (120), 3 states have call successors, (32), 3 states have call predecessors, (32), 3 states have return successors, (30), 3 states have call predecessors, (30), 3 states have call successors, (30) [2022-12-13 12:26:09,868 INFO L276 IsEmpty]: Start isEmpty. Operand 20332 states and 28805 transitions. [2022-12-13 12:26:09,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 305 [2022-12-13 12:26:09,878 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 12:26:09,878 INFO L195 NwaCegarLoop]: trace histogram [15, 15, 12, 12, 12, 12, 12, 12, 4, 4, 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 12:26:09,888 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f858fa83-bfa6-4043-b9df-bf9384a95ff4/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-12-13 12:26:10,079 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f858fa83-bfa6-4043-b9df-bf9384a95ff4/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2022-12-13 12:26:10,080 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-12-13 12:26:10,081 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 12:26:10,082 INFO L85 PathProgramCache]: Analyzing trace with hash 1361198832, now seen corresponding path program 1 times [2022-12-13 12:26:10,082 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 12:26:10,082 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [889266016] [2022-12-13 12:26:10,082 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 12:26:10,083 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 12:26:10,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:26:10,238 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 12:26:10,238 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [889266016] [2022-12-13 12:26:10,238 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2022-12-13 12:26:10,238 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2058249868] [2022-12-13 12:26:10,238 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 12:26:10,238 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 12:26:10,239 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f858fa83-bfa6-4043-b9df-bf9384a95ff4/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 12:26:10,239 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f858fa83-bfa6-4043-b9df-bf9384a95ff4/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 12:26:10,240 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f858fa83-bfa6-4043-b9df-bf9384a95ff4/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-12-13 12:26:10,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:26:10,912 INFO L263 TraceCheckSpWp]: Trace formula consists of 3658 conjuncts, 2 conjunts are in the unsatisfiable core [2022-12-13 12:26:10,917 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 12:26:10,949 INFO L134 CoverageAnalysis]: Checked inductivity of 751 backedges. 296 proven. 0 refuted. 0 times theorem prover too weak. 455 trivial. 0 not checked. [2022-12-13 12:26:10,949 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 12:26:10,949 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2058249868] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 12:26:10,950 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 12:26:10,950 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 12:26:10,950 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1809258568] [2022-12-13 12:26:10,950 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 12:26:10,950 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 12:26:10,950 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 12:26:10,950 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 12:26:10,951 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 12:26:10,951 INFO L87 Difference]: Start difference. First operand 20332 states and 28805 transitions. Second operand has 3 states, 3 states have (on average 46.666666666666664) internal successors, (140), 3 states have internal predecessors, (140), 3 states have call successors, (35), 3 states have call predecessors, (35), 3 states have return successors, (33), 3 states have call predecessors, (33), 3 states have call successors, (33) [2022-12-13 12:26:13,431 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 12:26:13,431 INFO L93 Difference]: Finished difference Result 50738 states and 71692 transitions. [2022-12-13 12:26:13,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 12:26:13,432 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 46.666666666666664) internal successors, (140), 3 states have internal predecessors, (140), 3 states have call successors, (35), 3 states have call predecessors, (35), 3 states have return successors, (33), 3 states have call predecessors, (33), 3 states have call successors, (33) Word has length 304 [2022-12-13 12:26:13,433 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 12:26:13,539 INFO L225 Difference]: With dead ends: 50738 [2022-12-13 12:26:13,539 INFO L226 Difference]: Without dead ends: 30431 [2022-12-13 12:26:13,641 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 303 GetRequests, 302 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 12:26:13,641 INFO L413 NwaCegarLoop]: 3419 mSDtfsCounter, 2663 mSDsluCounter, 2593 mSDsCounter, 0 mSdLazyCounter, 80 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2663 SdHoareTripleChecker+Valid, 6012 SdHoareTripleChecker+Invalid, 102 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 80 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-13 12:26:13,642 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2663 Valid, 6012 Invalid, 102 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 80 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-13 12:26:13,658 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30431 states. [2022-12-13 12:26:16,217 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30431 to 30409. [2022-12-13 12:26:16,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30409 states, 20419 states have (on average 1.2322346833831235) internal successors, (25161), 20747 states have internal predecessors, (25161), 8737 states have call successors, (8737), 1230 states have call predecessors, (8737), 1251 states have return successors, (8939), 8621 states have call predecessors, (8939), 8737 states have call successors, (8939) [2022-12-13 12:26:16,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30409 states to 30409 states and 42837 transitions. [2022-12-13 12:26:16,389 INFO L78 Accepts]: Start accepts. Automaton has 30409 states and 42837 transitions. Word has length 304 [2022-12-13 12:26:16,389 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 12:26:16,389 INFO L495 AbstractCegarLoop]: Abstraction has 30409 states and 42837 transitions. [2022-12-13 12:26:16,389 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 46.666666666666664) internal successors, (140), 3 states have internal predecessors, (140), 3 states have call successors, (35), 3 states have call predecessors, (35), 3 states have return successors, (33), 3 states have call predecessors, (33), 3 states have call successors, (33) [2022-12-13 12:26:16,389 INFO L276 IsEmpty]: Start isEmpty. Operand 30409 states and 42837 transitions. [2022-12-13 12:26:16,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 572 [2022-12-13 12:26:16,426 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 12:26:16,427 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 18, 18, 18, 13, 13, 13, 13, 13, 13, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 12:26:16,436 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f858fa83-bfa6-4043-b9df-bf9384a95ff4/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2022-12-13 12:26:16,627 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f858fa83-bfa6-4043-b9df-bf9384a95ff4/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 12:26:16,629 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-12-13 12:26:16,629 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 12:26:16,631 INFO L85 PathProgramCache]: Analyzing trace with hash -1851311663, now seen corresponding path program 1 times [2022-12-13 12:26:16,632 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 12:26:16,632 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1305966650] [2022-12-13 12:26:16,633 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 12:26:16,634 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 12:26:16,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:26:16,831 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 12:26:16,831 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1305966650] [2022-12-13 12:26:16,831 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2022-12-13 12:26:16,832 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [608941100] [2022-12-13 12:26:16,832 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 12:26:16,832 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 12:26:16,832 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f858fa83-bfa6-4043-b9df-bf9384a95ff4/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 12:26:16,833 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f858fa83-bfa6-4043-b9df-bf9384a95ff4/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 12:26:16,834 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f858fa83-bfa6-4043-b9df-bf9384a95ff4/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-12-13 12:26:17,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:26:17,905 INFO L263 TraceCheckSpWp]: Trace formula consists of 4884 conjuncts, 2 conjunts are in the unsatisfiable core [2022-12-13 12:26:17,913 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 12:26:17,950 INFO L134 CoverageAnalysis]: Checked inductivity of 1866 backedges. 482 proven. 0 refuted. 0 times theorem prover too weak. 1384 trivial. 0 not checked. [2022-12-13 12:26:17,950 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 12:26:17,951 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [608941100] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 12:26:17,951 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 12:26:17,951 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 12:26:17,951 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [814491415] [2022-12-13 12:26:17,951 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 12:26:17,951 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 12:26:17,951 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 12:26:17,952 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 12:26:17,952 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 12:26:17,952 INFO L87 Difference]: Start difference. First operand 30409 states and 42837 transitions. Second operand has 3 states, 3 states have (on average 73.33333333333333) internal successors, (220), 3 states have internal predecessors, (220), 3 states have call successors, (56), 3 states have call predecessors, (56), 3 states have return successors, (54), 3 states have call predecessors, (54), 3 states have call successors, (54) [2022-12-13 12:26:20,031 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 12:26:20,031 INFO L93 Difference]: Finished difference Result 59678 states and 83771 transitions. [2022-12-13 12:26:20,032 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 12:26:20,032 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 73.33333333333333) internal successors, (220), 3 states have internal predecessors, (220), 3 states have call successors, (56), 3 states have call predecessors, (56), 3 states have return successors, (54), 3 states have call predecessors, (54), 3 states have call successors, (54) Word has length 571 [2022-12-13 12:26:20,032 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 12:26:20,123 INFO L225 Difference]: With dead ends: 59678 [2022-12-13 12:26:20,123 INFO L226 Difference]: Without dead ends: 29227 [2022-12-13 12:26:20,204 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 570 GetRequests, 569 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 12:26:20,204 INFO L413 NwaCegarLoop]: 4690 mSDtfsCounter, 2181 mSDsluCounter, 2829 mSDsCounter, 0 mSdLazyCounter, 68 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2181 SdHoareTripleChecker+Valid, 7519 SdHoareTripleChecker+Invalid, 84 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 68 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-13 12:26:20,205 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2181 Valid, 7519 Invalid, 84 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 68 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-13 12:26:20,225 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29227 states. [2022-12-13 12:26:22,222 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29227 to 29173. [2022-12-13 12:26:22,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29173 states, 19690 states have (on average 1.2251904520060946) internal successors, (24124), 19983 states have internal predecessors, (24124), 8170 states have call successors, (8170), 1291 states have call predecessors, (8170), 1311 states have return successors, (8334), 8066 states have call predecessors, (8334), 8170 states have call successors, (8334) [2022-12-13 12:26:22,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29173 states to 29173 states and 40628 transitions. [2022-12-13 12:26:22,352 INFO L78 Accepts]: Start accepts. Automaton has 29173 states and 40628 transitions. Word has length 571 [2022-12-13 12:26:22,352 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 12:26:22,352 INFO L495 AbstractCegarLoop]: Abstraction has 29173 states and 40628 transitions. [2022-12-13 12:26:22,352 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 73.33333333333333) internal successors, (220), 3 states have internal predecessors, (220), 3 states have call successors, (56), 3 states have call predecessors, (56), 3 states have return successors, (54), 3 states have call predecessors, (54), 3 states have call successors, (54) [2022-12-13 12:26:22,353 INFO L276 IsEmpty]: Start isEmpty. Operand 29173 states and 40628 transitions. [2022-12-13 12:26:22,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 632 [2022-12-13 12:26:22,382 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 12:26:22,382 INFO L195 NwaCegarLoop]: trace histogram [22, 22, 22, 22, 22, 13, 13, 13, 13, 13, 13, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 12:26:22,394 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f858fa83-bfa6-4043-b9df-bf9384a95ff4/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2022-12-13 12:26:22,583 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f858fa83-bfa6-4043-b9df-bf9384a95ff4/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 12:26:22,584 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 12:26:22,585 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 12:26:22,585 INFO L85 PathProgramCache]: Analyzing trace with hash -1111044719, now seen corresponding path program 1 times [2022-12-13 12:26:22,586 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 12:26:22,586 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [540148789] [2022-12-13 12:26:22,586 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 12:26:22,587 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 12:26:22,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:26:22,771 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 12:26:22,771 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [540148789] [2022-12-13 12:26:22,772 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2022-12-13 12:26:22,772 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1606283747] [2022-12-13 12:26:22,772 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 12:26:22,772 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 12:26:22,772 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f858fa83-bfa6-4043-b9df-bf9384a95ff4/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 12:26:22,773 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f858fa83-bfa6-4043-b9df-bf9384a95ff4/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 12:26:22,774 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f858fa83-bfa6-4043-b9df-bf9384a95ff4/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-12-13 12:26:23,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:26:23,700 INFO L263 TraceCheckSpWp]: Trace formula consists of 5148 conjuncts, 2 conjunts are in the unsatisfiable core [2022-12-13 12:26:23,709 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 12:26:23,789 INFO L134 CoverageAnalysis]: Checked inductivity of 2372 backedges. 910 proven. 0 refuted. 0 times theorem prover too weak. 1462 trivial. 0 not checked. [2022-12-13 12:26:23,789 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 12:26:23,789 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1606283747] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 12:26:23,789 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 12:26:23,790 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 12:26:23,790 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1232053037] [2022-12-13 12:26:23,790 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 12:26:23,791 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 12:26:23,791 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 12:26:23,791 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 12:26:23,791 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 12:26:23,791 INFO L87 Difference]: Start difference. First operand 29173 states and 40628 transitions. Second operand has 3 states, 3 states have (on average 84.0) internal successors, (252), 3 states have internal predecessors, (252), 3 states have call successors, (64), 3 states have call predecessors, (64), 3 states have return successors, (62), 3 states have call predecessors, (62), 3 states have call successors, (62) [2022-12-13 12:26:26,754 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 12:26:26,754 INFO L93 Difference]: Finished difference Result 66860 states and 92954 transitions. [2022-12-13 12:26:26,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 12:26:26,755 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 84.0) internal successors, (252), 3 states have internal predecessors, (252), 3 states have call successors, (64), 3 states have call predecessors, (64), 3 states have return successors, (62), 3 states have call predecessors, (62), 3 states have call successors, (62) Word has length 631 [2022-12-13 12:26:26,756 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 12:26:26,886 INFO L225 Difference]: With dead ends: 66860 [2022-12-13 12:26:26,886 INFO L226 Difference]: Without dead ends: 37769 [2022-12-13 12:26:26,975 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 630 GetRequests, 629 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 12:26:26,976 INFO L413 NwaCegarLoop]: 4677 mSDtfsCounter, 2170 mSDsluCounter, 2818 mSDsCounter, 0 mSdLazyCounter, 67 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2170 SdHoareTripleChecker+Valid, 7495 SdHoareTripleChecker+Invalid, 84 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 67 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-12-13 12:26:26,976 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2170 Valid, 7495 Invalid, 84 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 67 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-12-13 12:26:27,003 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37769 states. [2022-12-13 12:26:29,669 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37769 to 37715. [2022-12-13 12:26:29,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 37715 states, 25538 states have (on average 1.2222178714073146) internal successors, (31213), 25897 states have internal predecessors, (31213), 10396 states have call successors, (10396), 1753 states have call predecessors, (10396), 1779 states have return successors, (10586), 10268 states have call predecessors, (10586), 10396 states have call successors, (10586) [2022-12-13 12:26:29,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37715 states to 37715 states and 52195 transitions. [2022-12-13 12:26:29,827 INFO L78 Accepts]: Start accepts. Automaton has 37715 states and 52195 transitions. Word has length 631 [2022-12-13 12:26:29,828 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 12:26:29,828 INFO L495 AbstractCegarLoop]: Abstraction has 37715 states and 52195 transitions. [2022-12-13 12:26:29,828 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 84.0) internal successors, (252), 3 states have internal predecessors, (252), 3 states have call successors, (64), 3 states have call predecessors, (64), 3 states have return successors, (62), 3 states have call predecessors, (62), 3 states have call successors, (62) [2022-12-13 12:26:29,828 INFO L276 IsEmpty]: Start isEmpty. Operand 37715 states and 52195 transitions. [2022-12-13 12:26:29,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 707 [2022-12-13 12:26:29,858 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 12:26:29,858 INFO L195 NwaCegarLoop]: trace histogram [25, 25, 25, 24, 24, 13, 13, 13, 13, 13, 13, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 5, 5, 5, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 12:26:29,871 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f858fa83-bfa6-4043-b9df-bf9384a95ff4/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2022-12-13 12:26:30,059 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f858fa83-bfa6-4043-b9df-bf9384a95ff4/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 12:26:30,060 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 12:26:30,061 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 12:26:30,062 INFO L85 PathProgramCache]: Analyzing trace with hash 1953820678, now seen corresponding path program 1 times [2022-12-13 12:26:30,062 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 12:26:30,063 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [337948073] [2022-12-13 12:26:30,063 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 12:26:30,064 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 12:26:30,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:26:30,230 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 12:26:30,230 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [337948073] [2022-12-13 12:26:30,230 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2022-12-13 12:26:30,230 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1921900786] [2022-12-13 12:26:30,230 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 12:26:30,231 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 12:26:30,231 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f858fa83-bfa6-4043-b9df-bf9384a95ff4/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 12:26:30,232 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f858fa83-bfa6-4043-b9df-bf9384a95ff4/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 12:26:30,232 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f858fa83-bfa6-4043-b9df-bf9384a95ff4/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-12-13 12:26:31,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:26:31,256 INFO L263 TraceCheckSpWp]: Trace formula consists of 5366 conjuncts, 2 conjunts are in the unsatisfiable core [2022-12-13 12:26:31,264 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 12:26:31,346 INFO L134 CoverageAnalysis]: Checked inductivity of 2987 backedges. 618 proven. 0 refuted. 0 times theorem prover too weak. 2369 trivial. 0 not checked. [2022-12-13 12:26:31,346 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 12:26:31,346 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1921900786] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 12:26:31,346 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 12:26:31,347 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 12:26:31,347 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2033892734] [2022-12-13 12:26:31,347 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 12:26:31,347 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 12:26:31,347 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 12:26:31,348 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 12:26:31,348 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 12:26:31,348 INFO L87 Difference]: Start difference. First operand 37715 states and 52195 transitions. Second operand has 3 states, 3 states have (on average 89.0) internal successors, (267), 3 states have internal predecessors, (267), 3 states have call successors, (66), 3 states have call predecessors, (66), 3 states have return successors, (64), 3 states have call predecessors, (64), 3 states have call successors, (64) [2022-12-13 12:26:34,840 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 12:26:34,840 INFO L93 Difference]: Finished difference Result 83907 states and 116104 transitions. [2022-12-13 12:26:34,840 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 12:26:34,841 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 89.0) internal successors, (267), 3 states have internal predecessors, (267), 3 states have call successors, (66), 3 states have call predecessors, (66), 3 states have return successors, (64), 3 states have call predecessors, (64), 3 states have call successors, (64) Word has length 706 [2022-12-13 12:26:34,841 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 12:26:34,997 INFO L225 Difference]: With dead ends: 83907 [2022-12-13 12:26:34,997 INFO L226 Difference]: Without dead ends: 46274 [2022-12-13 12:26:35,111 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 705 GetRequests, 704 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 12:26:35,112 INFO L413 NwaCegarLoop]: 3418 mSDtfsCounter, 2629 mSDsluCounter, 2588 mSDsCounter, 0 mSdLazyCounter, 79 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2629 SdHoareTripleChecker+Valid, 6006 SdHoareTripleChecker+Invalid, 102 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 79 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-13 12:26:35,112 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2629 Valid, 6006 Invalid, 102 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 79 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-13 12:26:35,145 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46274 states. [2022-12-13 12:26:38,539 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46274 to 46218. [2022-12-13 12:26:38,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 46218 states, 31426 states have (on average 1.220868071023993) internal successors, (38367), 31861 states have internal predecessors, (38367), 12606 states have call successors, (12606), 2156 states have call predecessors, (12606), 2184 states have return successors, (12838), 12444 states have call predecessors, (12838), 12606 states have call successors, (12838) [2022-12-13 12:26:38,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46218 states to 46218 states and 63811 transitions. [2022-12-13 12:26:38,776 INFO L78 Accepts]: Start accepts. Automaton has 46218 states and 63811 transitions. Word has length 706 [2022-12-13 12:26:38,776 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 12:26:38,776 INFO L495 AbstractCegarLoop]: Abstraction has 46218 states and 63811 transitions. [2022-12-13 12:26:38,777 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 89.0) internal successors, (267), 3 states have internal predecessors, (267), 3 states have call successors, (66), 3 states have call predecessors, (66), 3 states have return successors, (64), 3 states have call predecessors, (64), 3 states have call successors, (64) [2022-12-13 12:26:38,777 INFO L276 IsEmpty]: Start isEmpty. Operand 46218 states and 63811 transitions. [2022-12-13 12:26:38,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 655 [2022-12-13 12:26:38,817 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 12:26:38,818 INFO L195 NwaCegarLoop]: trace histogram [29, 29, 18, 18, 18, 18, 10, 10, 10, 10, 10, 10, 10, 10, 10, 4, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 12:26:38,831 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f858fa83-bfa6-4043-b9df-bf9384a95ff4/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2022-12-13 12:26:39,019 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f858fa83-bfa6-4043-b9df-bf9384a95ff4/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 12:26:39,020 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-12-13 12:26:39,021 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 12:26:39,022 INFO L85 PathProgramCache]: Analyzing trace with hash -1926601115, now seen corresponding path program 1 times [2022-12-13 12:26:39,022 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 12:26:39,022 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [686659974] [2022-12-13 12:26:39,023 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 12:26:39,023 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 12:26:39,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:26:39,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-12-13 12:26:39,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:26:39,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:26:39,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:26:39,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-12-13 12:26:39,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:26:39,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:26:39,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:26:39,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-12-13 12:26:39,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:26:39,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:26:39,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:26:39,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-12-13 12:26:39,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:26:39,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:26:39,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:26:39,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-12-13 12:26:39,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:26:39,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:26:39,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:26:39,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-12-13 12:26:39,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:26:39,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:26:39,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:26:39,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-12-13 12:26:39,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:26:39,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:26:39,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:26:39,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-12-13 12:26:39,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:26:39,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:26:39,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:26:39,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-12-13 12:26:39,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:26:39,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:26:39,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:26:39,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-12-13 12:26:39,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:26:39,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:26:39,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:26:39,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-12-13 12:26:39,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:26:39,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2022-12-13 12:26:39,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:26:39,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2022-12-13 12:26:39,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:26:39,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2022-12-13 12:26:39,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:26:39,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2022-12-13 12:26:39,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:26:39,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2022-12-13 12:26:39,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:26:39,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:26:39,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:26:39,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-12-13 12:26:39,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:26:39,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2022-12-13 12:26:39,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:26:39,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2022-12-13 12:26:39,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:26:39,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:26:39,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:26:39,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 12:26:39,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:26:39,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-12-13 12:26:39,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:26:39,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2022-12-13 12:26:39,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:26:39,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:26:39,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:26:39,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 12:26:39,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:26:39,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-12-13 12:26:39,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:26:39,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2022-12-13 12:26:39,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:26:39,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2022-12-13 12:26:39,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:26:39,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2022-12-13 12:26:39,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:26:39,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 12:26:39,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:26:39,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:26:39,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:26:39,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 12:26:39,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:26:39,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-12-13 12:26:39,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:26:39,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-12-13 12:26:39,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:26:39,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-12-13 12:26:39,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:26:39,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-12-13 12:26:39,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:26:39,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2022-12-13 12:26:39,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:26:39,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2022-12-13 12:26:39,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:26:39,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-12-13 12:26:39,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:26:39,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2022-12-13 12:26:39,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:26:39,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2022-12-13 12:26:39,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:26:39,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-12-13 12:26:39,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:26:40,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-12-13 12:26:40,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:26:40,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-12-13 12:26:40,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:26:40,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2022-12-13 12:26:40,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:26:40,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-12-13 12:26:40,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:26:40,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2022-12-13 12:26:40,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:26:40,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2022-12-13 12:26:40,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:26:40,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2022-12-13 12:26:40,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:26:40,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2022-12-13 12:26:40,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:26:40,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-12-13 12:26:40,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:26:40,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-12-13 12:26:40,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:26:40,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2022-12-13 12:26:40,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:26:40,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2022-12-13 12:26:40,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:26:40,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2022-12-13 12:26:40,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:26:40,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2022-12-13 12:26:40,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:26:40,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2022-12-13 12:26:40,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:26:40,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2022-12-13 12:26:40,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:26:40,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2022-12-13 12:26:40,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:26:40,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2022-12-13 12:26:40,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:26:40,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2022-12-13 12:26:40,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:26:40,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2022-12-13 12:26:40,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:26:40,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2022-12-13 12:26:40,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:26:40,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2022-12-13 12:26:40,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:26:40,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2022-12-13 12:26:40,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:26:40,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2022-12-13 12:26:40,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:26:40,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2022-12-13 12:26:40,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:26:40,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2022-12-13 12:26:40,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:26:40,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2022-12-13 12:26:40,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:26:40,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2022-12-13 12:26:40,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:26:40,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2022-12-13 12:26:40,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:26:40,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2022-12-13 12:26:40,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:26:40,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-12-13 12:26:40,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:26:40,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 261 [2022-12-13 12:26:40,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:26:40,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266 [2022-12-13 12:26:40,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:26:40,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 271 [2022-12-13 12:26:40,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:26:40,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2022-12-13 12:26:40,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:26:40,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-12-13 12:26:40,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:26:40,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-12-13 12:26:40,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:26:40,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 316 [2022-12-13 12:26:40,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:26:40,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2022-12-13 12:26:40,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:26:40,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 328 [2022-12-13 12:26:40,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:26:40,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 621 [2022-12-13 12:26:40,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:26:40,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 635 [2022-12-13 12:26:40,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:26:40,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 640 [2022-12-13 12:26:40,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:26:40,203 INFO L134 CoverageAnalysis]: Checked inductivity of 2639 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 2609 trivial. 0 not checked. [2022-12-13 12:26:40,203 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 12:26:40,203 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [686659974] [2022-12-13 12:26:40,204 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [686659974] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 12:26:40,204 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 12:26:40,204 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-12-13 12:26:40,204 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1288368897] [2022-12-13 12:26:40,204 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 12:26:40,204 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-12-13 12:26:40,204 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 12:26:40,205 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-12-13 12:26:40,205 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2022-12-13 12:26:40,205 INFO L87 Difference]: Start difference. First operand 46218 states and 63811 transitions. Second operand has 7 states, 7 states have (on average 37.42857142857143) internal successors, (262), 4 states have internal predecessors, (262), 4 states have call successors, (85), 5 states have call predecessors, (85), 2 states have return successors, (83), 4 states have call predecessors, (83), 4 states have call successors, (83) [2022-12-13 12:26:45,445 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 12:26:47,457 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 12:26:49,460 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 12:26:51,467 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 12:26:53,993 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 12:26:56,002 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 12:26:58,005 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 12:27:09,688 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 12:27:09,689 INFO L93 Difference]: Finished difference Result 118329 states and 165393 transitions. [2022-12-13 12:27:09,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-12-13 12:27:09,690 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 37.42857142857143) internal successors, (262), 4 states have internal predecessors, (262), 4 states have call successors, (85), 5 states have call predecessors, (85), 2 states have return successors, (83), 4 states have call predecessors, (83), 4 states have call successors, (83) Word has length 654 [2022-12-13 12:27:09,690 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 12:27:10,008 INFO L225 Difference]: With dead ends: 118329 [2022-12-13 12:27:10,008 INFO L226 Difference]: Without dead ends: 72134 [2022-12-13 12:27:10,205 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 205 GetRequests, 193 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=61, Invalid=121, Unknown=0, NotChecked=0, Total=182 [2022-12-13 12:27:10,206 INFO L413 NwaCegarLoop]: 4946 mSDtfsCounter, 3128 mSDsluCounter, 8377 mSDsCounter, 0 mSdLazyCounter, 6779 mSolverCounterSat, 2239 mSolverCounterUnsat, 7 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 21.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3798 SdHoareTripleChecker+Valid, 13323 SdHoareTripleChecker+Invalid, 9025 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2239 IncrementalHoareTripleChecker+Valid, 6779 IncrementalHoareTripleChecker+Invalid, 7 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 22.8s IncrementalHoareTripleChecker+Time [2022-12-13 12:27:10,206 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3798 Valid, 13323 Invalid, 9025 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2239 Valid, 6779 Invalid, 7 Unknown, 0 Unchecked, 22.8s Time] [2022-12-13 12:27:10,258 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72134 states. [2022-12-13 12:27:15,960 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72134 to 55748. [2022-12-13 12:27:15,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 55748 states, 38029 states have (on average 1.2190170659233743) internal successors, (46358), 38514 states have internal predecessors, (46358), 14995 states have call successors, (14995), 2676 states have call predecessors, (14995), 2722 states have return successors, (15267), 14817 states have call predecessors, (15267), 14995 states have call successors, (15267) [2022-12-13 12:27:16,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55748 states to 55748 states and 76620 transitions. [2022-12-13 12:27:16,218 INFO L78 Accepts]: Start accepts. Automaton has 55748 states and 76620 transitions. Word has length 654 [2022-12-13 12:27:16,219 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 12:27:16,219 INFO L495 AbstractCegarLoop]: Abstraction has 55748 states and 76620 transitions. [2022-12-13 12:27:16,219 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 37.42857142857143) internal successors, (262), 4 states have internal predecessors, (262), 4 states have call successors, (85), 5 states have call predecessors, (85), 2 states have return successors, (83), 4 states have call predecessors, (83), 4 states have call successors, (83) [2022-12-13 12:27:16,219 INFO L276 IsEmpty]: Start isEmpty. Operand 55748 states and 76620 transitions. [2022-12-13 12:27:16,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 656 [2022-12-13 12:27:16,256 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 12:27:16,256 INFO L195 NwaCegarLoop]: trace histogram [29, 29, 18, 18, 18, 18, 10, 10, 10, 10, 10, 10, 10, 10, 10, 4, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 12:27:16,257 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2022-12-13 12:27:16,257 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-12-13 12:27:16,257 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 12:27:16,257 INFO L85 PathProgramCache]: Analyzing trace with hash -1021833841, now seen corresponding path program 1 times [2022-12-13 12:27:16,257 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 12:27:16,257 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [823457501] [2022-12-13 12:27:16,257 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 12:27:16,257 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 12:27:16,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:27:16,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-12-13 12:27:16,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:27:16,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:27:16,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:27:16,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-12-13 12:27:16,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:27:16,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:27:16,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:27:16,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-12-13 12:27:16,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:27:16,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:27:16,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:27:16,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-12-13 12:27:16,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:27:16,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:27:16,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:27:16,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-12-13 12:27:16,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:27:16,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:27:16,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:27:16,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-12-13 12:27:16,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:27:16,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:27:16,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:27:16,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-12-13 12:27:16,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:27:16,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:27:16,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:27:16,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-12-13 12:27:16,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:27:16,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:27:16,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:27:16,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-12-13 12:27:16,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:27:16,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:27:16,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:27:16,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-12-13 12:27:16,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:27:16,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:27:16,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:27:16,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-12-13 12:27:16,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:27:16,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2022-12-13 12:27:16,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:27:16,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2022-12-13 12:27:16,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:27:16,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2022-12-13 12:27:16,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:27:16,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2022-12-13 12:27:16,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:27:16,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2022-12-13 12:27:16,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:27:16,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:27:16,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:27:16,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-12-13 12:27:16,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:27:16,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2022-12-13 12:27:16,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:27:16,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2022-12-13 12:27:16,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:27:16,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:27:16,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:27:16,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 12:27:16,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:27:16,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-12-13 12:27:16,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:27:16,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2022-12-13 12:27:16,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:27:16,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:27:16,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:27:16,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 12:27:16,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:27:16,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-12-13 12:27:16,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:27:16,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2022-12-13 12:27:16,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:27:16,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2022-12-13 12:27:16,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:27:16,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2022-12-13 12:27:16,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:27:17,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 12:27:17,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:27:17,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:27:17,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:27:17,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 12:27:17,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:27:17,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-12-13 12:27:17,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:27:17,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-12-13 12:27:17,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:27:17,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-12-13 12:27:17,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:27:17,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-12-13 12:27:17,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:27:17,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-12-13 12:27:17,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:27:17,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2022-12-13 12:27:17,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:27:17,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2022-12-13 12:27:17,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:27:17,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-12-13 12:27:17,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:27:17,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-12-13 12:27:17,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:27:17,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2022-12-13 12:27:17,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:27:17,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-12-13 12:27:17,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:27:17,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2022-12-13 12:27:17,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:27:17,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2022-12-13 12:27:17,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:27:17,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2022-12-13 12:27:17,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:27:17,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2022-12-13 12:27:17,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:27:17,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-12-13 12:27:17,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:27:17,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2022-12-13 12:27:17,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:27:17,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2022-12-13 12:27:17,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:27:17,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2022-12-13 12:27:17,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:27:17,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2022-12-13 12:27:17,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:27:17,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2022-12-13 12:27:17,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:27:17,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-12-13 12:27:17,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:27:17,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2022-12-13 12:27:17,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:27:17,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2022-12-13 12:27:17,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:27:17,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2022-12-13 12:27:17,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:27:17,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2022-12-13 12:27:17,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:27:17,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2022-12-13 12:27:17,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:27:17,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2022-12-13 12:27:17,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:27:17,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2022-12-13 12:27:17,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:27:17,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2022-12-13 12:27:17,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:27:17,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2022-12-13 12:27:17,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:27:17,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2022-12-13 12:27:17,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:27:17,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2022-12-13 12:27:17,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:27:17,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2022-12-13 12:27:17,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:27:17,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2022-12-13 12:27:17,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:27:17,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2022-12-13 12:27:17,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:27:17,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 237 [2022-12-13 12:27:17,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:27:17,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2022-12-13 12:27:17,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:27:17,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 247 [2022-12-13 12:27:17,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:27:17,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 252 [2022-12-13 12:27:17,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:27:17,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 257 [2022-12-13 12:27:17,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:27:17,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2022-12-13 12:27:17,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:27:17,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2022-12-13 12:27:17,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:27:17,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 272 [2022-12-13 12:27:17,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:27:17,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2022-12-13 12:27:17,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:27:17,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-12-13 12:27:17,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:27:17,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-12-13 12:27:17,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:27:17,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2022-12-13 12:27:17,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:27:17,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 323 [2022-12-13 12:27:17,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:27:17,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2022-12-13 12:27:17,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:27:17,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 622 [2022-12-13 12:27:17,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:27:17,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 636 [2022-12-13 12:27:17,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:27:17,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 641 [2022-12-13 12:27:17,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:27:17,436 INFO L134 CoverageAnalysis]: Checked inductivity of 2639 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 2609 trivial. 0 not checked. [2022-12-13 12:27:17,436 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 12:27:17,436 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [823457501] [2022-12-13 12:27:17,436 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [823457501] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 12:27:17,436 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 12:27:17,437 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-12-13 12:27:17,437 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [4322734] [2022-12-13 12:27:17,437 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 12:27:17,437 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-12-13 12:27:17,437 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 12:27:17,438 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-12-13 12:27:17,438 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2022-12-13 12:27:17,438 INFO L87 Difference]: Start difference. First operand 55748 states and 76620 transitions. Second operand has 8 states, 8 states have (on average 32.875) internal successors, (263), 5 states have internal predecessors, (263), 4 states have call successors, (85), 5 states have call predecessors, (85), 2 states have return successors, (83), 4 states have call predecessors, (83), 4 states have call successors, (83) [2022-12-13 12:27:23,818 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 12:27:33,750 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 12:27:36,204 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 12:27:47,907 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 12:27:47,907 INFO L93 Difference]: Finished difference Result 156570 states and 219793 transitions. [2022-12-13 12:27:47,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-12-13 12:27:47,908 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 32.875) internal successors, (263), 5 states have internal predecessors, (263), 4 states have call successors, (85), 5 states have call predecessors, (85), 2 states have return successors, (83), 4 states have call predecessors, (83), 4 states have call successors, (83) Word has length 655 [2022-12-13 12:27:47,908 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 12:27:48,361 INFO L225 Difference]: With dead ends: 156570 [2022-12-13 12:27:48,361 INFO L226 Difference]: Without dead ends: 100904 [2022-12-13 12:27:48,576 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 211 GetRequests, 193 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 64 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=99, Invalid=281, Unknown=0, NotChecked=0, Total=380 [2022-12-13 12:27:48,576 INFO L413 NwaCegarLoop]: 5482 mSDtfsCounter, 4094 mSDsluCounter, 14876 mSDsCounter, 0 mSdLazyCounter, 12610 mSolverCounterSat, 3072 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 18.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4968 SdHoareTripleChecker+Valid, 20358 SdHoareTripleChecker+Invalid, 15685 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3072 IncrementalHoareTripleChecker+Valid, 12610 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 20.4s IncrementalHoareTripleChecker+Time [2022-12-13 12:27:48,577 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4968 Valid, 20358 Invalid, 15685 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3072 Valid, 12610 Invalid, 3 Unknown, 0 Unchecked, 20.4s Time] [2022-12-13 12:27:48,649 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 100904 states. [2022-12-13 12:27:56,122 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 100904 to 65706. [2022-12-13 12:27:56,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 65706 states, 44989 states have (on average 1.2153193002734002) internal successors, (54676), 45542 states have internal predecessors, (54676), 17301 states have call successors, (17301), 3374 states have call predecessors, (17301), 3414 states have return successors, (17581), 17089 states have call predecessors, (17581), 17301 states have call successors, (17581) [2022-12-13 12:27:56,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65706 states to 65706 states and 89558 transitions. [2022-12-13 12:27:56,424 INFO L78 Accepts]: Start accepts. Automaton has 65706 states and 89558 transitions. Word has length 655 [2022-12-13 12:27:56,424 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 12:27:56,424 INFO L495 AbstractCegarLoop]: Abstraction has 65706 states and 89558 transitions. [2022-12-13 12:27:56,424 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 32.875) internal successors, (263), 5 states have internal predecessors, (263), 4 states have call successors, (85), 5 states have call predecessors, (85), 2 states have return successors, (83), 4 states have call predecessors, (83), 4 states have call successors, (83) [2022-12-13 12:27:56,425 INFO L276 IsEmpty]: Start isEmpty. Operand 65706 states and 89558 transitions. [2022-12-13 12:27:56,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 733 [2022-12-13 12:27:56,467 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 12:27:56,468 INFO L195 NwaCegarLoop]: trace histogram [26, 26, 26, 26, 26, 13, 13, 13, 13, 13, 13, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 6, 6, 6, 5, 4, 4, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 12:27:56,468 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2022-12-13 12:27:56,468 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-12-13 12:27:56,468 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 12:27:56,468 INFO L85 PathProgramCache]: Analyzing trace with hash 1376138906, now seen corresponding path program 1 times [2022-12-13 12:27:56,468 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 12:27:56,469 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [118795887] [2022-12-13 12:27:56,469 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 12:27:56,469 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 12:27:56,559 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-12-13 12:27:56,559 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2055387019] [2022-12-13 12:27:56,559 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 12:27:56,560 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 12:27:56,560 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f858fa83-bfa6-4043-b9df-bf9384a95ff4/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 12:27:56,561 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f858fa83-bfa6-4043-b9df-bf9384a95ff4/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 12:27:56,561 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f858fa83-bfa6-4043-b9df-bf9384a95ff4/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-12-13 12:27:57,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:27:57,515 INFO L263 TraceCheckSpWp]: Trace formula consists of 5431 conjuncts, 2 conjunts are in the unsatisfiable core [2022-12-13 12:27:57,524 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 12:27:57,564 INFO L134 CoverageAnalysis]: Checked inductivity of 3265 backedges. 615 proven. 0 refuted. 0 times theorem prover too weak. 2650 trivial. 0 not checked. [2022-12-13 12:27:57,564 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 12:27:57,564 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 12:27:57,564 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [118795887] [2022-12-13 12:27:57,564 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-12-13 12:27:57,564 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2055387019] [2022-12-13 12:27:57,564 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2055387019] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 12:27:57,565 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 12:27:57,565 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 12:27:57,565 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [860659314] [2022-12-13 12:27:57,565 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 12:27:57,566 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 12:27:57,566 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 12:27:57,566 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 12:27:57,567 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 12:27:57,567 INFO L87 Difference]: Start difference. First operand 65706 states and 89558 transitions. Second operand has 3 states, 3 states have (on average 91.33333333333333) internal successors, (274), 3 states have internal predecessors, (274), 3 states have call successors, (67), 3 states have call predecessors, (67), 3 states have return successors, (65), 3 states have call predecessors, (65), 3 states have call successors, (65) [2022-12-13 12:28:04,663 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 12:28:04,664 INFO L93 Difference]: Finished difference Result 142913 states and 194675 transitions. [2022-12-13 12:28:04,664 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 12:28:04,665 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 91.33333333333333) internal successors, (274), 3 states have internal predecessors, (274), 3 states have call successors, (67), 3 states have call predecessors, (67), 3 states have return successors, (65), 3 states have call predecessors, (65), 3 states have call successors, (65) Word has length 732 [2022-12-13 12:28:04,665 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 12:28:04,960 INFO L225 Difference]: With dead ends: 142913 [2022-12-13 12:28:04,960 INFO L226 Difference]: Without dead ends: 77289 [2022-12-13 12:28:05,155 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 731 GetRequests, 730 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 12:28:05,155 INFO L413 NwaCegarLoop]: 3385 mSDtfsCounter, 2797 mSDsluCounter, 2510 mSDsCounter, 0 mSdLazyCounter, 64 mSolverCounterSat, 39 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2797 SdHoareTripleChecker+Valid, 5895 SdHoareTripleChecker+Invalid, 103 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 39 IncrementalHoareTripleChecker+Valid, 64 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-13 12:28:05,155 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2797 Valid, 5895 Invalid, 103 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [39 Valid, 64 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-13 12:28:05,211 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77289 states. [2022-12-13 12:28:12,508 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77289 to 77185. [2022-12-13 12:28:12,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 77185 states, 53215 states have (on average 1.2187729023771492) internal successors, (64857), 53850 states have internal predecessors, (64857), 19921 states have call successors, (19921), 4007 states have call predecessors, (19921), 4047 states have return successors, (20239), 19669 states have call predecessors, (20239), 19921 states have call successors, (20239) [2022-12-13 12:28:12,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77185 states to 77185 states and 105017 transitions. [2022-12-13 12:28:12,839 INFO L78 Accepts]: Start accepts. Automaton has 77185 states and 105017 transitions. Word has length 732 [2022-12-13 12:28:12,839 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 12:28:12,839 INFO L495 AbstractCegarLoop]: Abstraction has 77185 states and 105017 transitions. [2022-12-13 12:28:12,839 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 91.33333333333333) internal successors, (274), 3 states have internal predecessors, (274), 3 states have call successors, (67), 3 states have call predecessors, (67), 3 states have return successors, (65), 3 states have call predecessors, (65), 3 states have call successors, (65) [2022-12-13 12:28:12,839 INFO L276 IsEmpty]: Start isEmpty. Operand 77185 states and 105017 transitions. [2022-12-13 12:28:12,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 734 [2022-12-13 12:28:12,886 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 12:28:12,886 INFO L195 NwaCegarLoop]: trace histogram [26, 26, 25, 25, 25, 13, 13, 13, 13, 13, 13, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 6, 6, 6, 5, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 12:28:12,900 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f858fa83-bfa6-4043-b9df-bf9384a95ff4/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2022-12-13 12:28:13,087 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f858fa83-bfa6-4043-b9df-bf9384a95ff4/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable23 [2022-12-13 12:28:13,088 INFO L420 AbstractCegarLoop]: === Iteration 25 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-12-13 12:28:13,089 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 12:28:13,090 INFO L85 PathProgramCache]: Analyzing trace with hash 655621057, now seen corresponding path program 1 times [2022-12-13 12:28:13,090 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 12:28:13,090 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [751105513] [2022-12-13 12:28:13,091 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 12:28:13,091 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 12:28:13,211 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-12-13 12:28:13,211 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1450248721] [2022-12-13 12:28:13,211 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 12:28:13,211 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 12:28:13,212 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f858fa83-bfa6-4043-b9df-bf9384a95ff4/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 12:28:13,212 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f858fa83-bfa6-4043-b9df-bf9384a95ff4/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 12:28:13,213 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f858fa83-bfa6-4043-b9df-bf9384a95ff4/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2022-12-13 12:28:14,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:28:14,366 INFO L263 TraceCheckSpWp]: Trace formula consists of 5428 conjuncts, 2 conjunts are in the unsatisfiable core [2022-12-13 12:28:14,374 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 12:28:14,409 INFO L134 CoverageAnalysis]: Checked inductivity of 3177 backedges. 527 proven. 0 refuted. 0 times theorem prover too weak. 2650 trivial. 0 not checked. [2022-12-13 12:28:14,410 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 12:28:14,410 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 12:28:14,410 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [751105513] [2022-12-13 12:28:14,410 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-12-13 12:28:14,410 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1450248721] [2022-12-13 12:28:14,410 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1450248721] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 12:28:14,410 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 12:28:14,410 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 12:28:14,410 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1643376267] [2022-12-13 12:28:14,410 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 12:28:14,411 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 12:28:14,411 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 12:28:14,411 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 12:28:14,411 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 12:28:14,411 INFO L87 Difference]: Start difference. First operand 77185 states and 105017 transitions. Second operand has 3 states, 3 states have (on average 92.33333333333333) internal successors, (277), 3 states have internal predecessors, (277), 3 states have call successors, (66), 3 states have call predecessors, (66), 3 states have return successors, (64), 3 states have call predecessors, (64), 3 states have call successors, (64) [2022-12-13 12:28:24,429 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 12:28:24,429 INFO L93 Difference]: Finished difference Result 177642 states and 242924 transitions. [2022-12-13 12:28:24,430 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 12:28:24,430 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 92.33333333333333) internal successors, (277), 3 states have internal predecessors, (277), 3 states have call successors, (66), 3 states have call predecessors, (66), 3 states have return successors, (64), 3 states have call predecessors, (64), 3 states have call successors, (64) Word has length 733 [2022-12-13 12:28:24,431 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 12:28:24,825 INFO L225 Difference]: With dead ends: 177642 [2022-12-13 12:28:24,825 INFO L226 Difference]: Without dead ends: 100539 [2022-12-13 12:28:25,073 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 732 GetRequests, 731 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 12:28:25,074 INFO L413 NwaCegarLoop]: 5297 mSDtfsCounter, 2537 mSDsluCounter, 2760 mSDsCounter, 0 mSdLazyCounter, 83 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2537 SdHoareTripleChecker+Valid, 8057 SdHoareTripleChecker+Invalid, 103 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 83 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-13 12:28:25,074 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2537 Valid, 8057 Invalid, 103 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 83 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-13 12:28:25,151 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 100539 states. [2022-12-13 12:28:35,250 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 100539 to 100523. [2022-12-13 12:28:35,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 100523 states, 68365 states have (on average 1.2110436626928984) internal successors, (82793), 69220 states have internal predecessors, (82793), 27217 states have call successors, (27217), 4875 states have call predecessors, (27217), 4939 states have return successors, (27635), 26887 states have call predecessors, (27635), 27217 states have call successors, (27635) [2022-12-13 12:28:35,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100523 states to 100523 states and 137645 transitions. [2022-12-13 12:28:35,751 INFO L78 Accepts]: Start accepts. Automaton has 100523 states and 137645 transitions. Word has length 733 [2022-12-13 12:28:35,752 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 12:28:35,752 INFO L495 AbstractCegarLoop]: Abstraction has 100523 states and 137645 transitions. [2022-12-13 12:28:35,752 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 92.33333333333333) internal successors, (277), 3 states have internal predecessors, (277), 3 states have call successors, (66), 3 states have call predecessors, (66), 3 states have return successors, (64), 3 states have call predecessors, (64), 3 states have call successors, (64) [2022-12-13 12:28:35,752 INFO L276 IsEmpty]: Start isEmpty. Operand 100523 states and 137645 transitions. [2022-12-13 12:28:35,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 733 [2022-12-13 12:28:35,805 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 12:28:35,806 INFO L195 NwaCegarLoop]: trace histogram [26, 26, 26, 26, 26, 13, 13, 13, 13, 13, 13, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 6, 6, 6, 5, 4, 4, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 12:28:35,819 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f858fa83-bfa6-4043-b9df-bf9384a95ff4/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2022-12-13 12:28:36,006 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f858fa83-bfa6-4043-b9df-bf9384a95ff4/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable24 [2022-12-13 12:28:36,010 INFO L420 AbstractCegarLoop]: === Iteration 26 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-12-13 12:28:36,010 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 12:28:36,011 INFO L85 PathProgramCache]: Analyzing trace with hash 1849374556, now seen corresponding path program 1 times [2022-12-13 12:28:36,011 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 12:28:36,012 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [597118940] [2022-12-13 12:28:36,012 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 12:28:36,013 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 12:28:36,128 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-12-13 12:28:36,128 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [30937688] [2022-12-13 12:28:36,129 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 12:28:36,129 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 12:28:36,129 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f858fa83-bfa6-4043-b9df-bf9384a95ff4/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 12:28:36,130 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f858fa83-bfa6-4043-b9df-bf9384a95ff4/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 12:28:36,130 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f858fa83-bfa6-4043-b9df-bf9384a95ff4/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2022-12-13 12:28:37,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:28:37,364 INFO L263 TraceCheckSpWp]: Trace formula consists of 5430 conjuncts, 2 conjunts are in the unsatisfiable core [2022-12-13 12:28:37,371 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 12:28:37,403 INFO L134 CoverageAnalysis]: Checked inductivity of 3265 backedges. 615 proven. 0 refuted. 0 times theorem prover too weak. 2650 trivial. 0 not checked. [2022-12-13 12:28:37,403 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 12:28:37,404 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 12:28:37,404 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [597118940] [2022-12-13 12:28:37,404 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-12-13 12:28:37,404 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [30937688] [2022-12-13 12:28:37,404 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [30937688] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 12:28:37,404 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 12:28:37,404 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 12:28:37,404 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [672808345] [2022-12-13 12:28:37,405 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 12:28:37,406 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 12:28:37,406 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 12:28:37,407 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 12:28:37,407 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 12:28:37,407 INFO L87 Difference]: Start difference. First operand 100523 states and 137645 transitions. Second operand has 3 states, 3 states have (on average 91.33333333333333) internal successors, (274), 3 states have internal predecessors, (274), 3 states have call successors, (67), 3 states have call predecessors, (67), 3 states have return successors, (65), 3 states have call predecessors, (65), 3 states have call successors, (65) [2022-12-13 12:28:48,322 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 12:28:48,323 INFO L93 Difference]: Finished difference Result 211903 states and 289785 transitions. [2022-12-13 12:28:48,323 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 12:28:48,323 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 91.33333333333333) internal successors, (274), 3 states have internal predecessors, (274), 3 states have call successors, (67), 3 states have call predecessors, (67), 3 states have return successors, (65), 3 states have call predecessors, (65), 3 states have call successors, (65) Word has length 732 [2022-12-13 12:28:48,324 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 12:28:48,776 INFO L225 Difference]: With dead ends: 211903 [2022-12-13 12:28:48,777 INFO L226 Difference]: Without dead ends: 111333 [2022-12-13 12:28:49,190 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 731 GetRequests, 730 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 12:28:49,191 INFO L413 NwaCegarLoop]: 5299 mSDtfsCounter, 2475 mSDsluCounter, 2786 mSDsCounter, 0 mSdLazyCounter, 88 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2475 SdHoareTripleChecker+Valid, 8085 SdHoareTripleChecker+Invalid, 94 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 88 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-13 12:28:49,191 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2475 Valid, 8085 Invalid, 94 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 88 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-13 12:28:49,269 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111333 states. [2022-12-13 12:29:00,434 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111333 to 111317. [2022-12-13 12:29:00,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 111317 states, 75961 states have (on average 1.2102657942891748) internal successors, (91933), 76898 states have internal predecessors, (91933), 29809 states have call successors, (29809), 5481 states have call predecessors, (29809), 5545 states have return successors, (30265), 29439 states have call predecessors, (30265), 29809 states have call successors, (30265) [2022-12-13 12:29:01,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111317 states to 111317 states and 152007 transitions. [2022-12-13 12:29:01,044 INFO L78 Accepts]: Start accepts. Automaton has 111317 states and 152007 transitions. Word has length 732 [2022-12-13 12:29:01,044 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 12:29:01,044 INFO L495 AbstractCegarLoop]: Abstraction has 111317 states and 152007 transitions. [2022-12-13 12:29:01,045 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 91.33333333333333) internal successors, (274), 3 states have internal predecessors, (274), 3 states have call successors, (67), 3 states have call predecessors, (67), 3 states have return successors, (65), 3 states have call predecessors, (65), 3 states have call successors, (65) [2022-12-13 12:29:01,045 INFO L276 IsEmpty]: Start isEmpty. Operand 111317 states and 152007 transitions. [2022-12-13 12:29:01,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 728 [2022-12-13 12:29:01,107 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 12:29:01,108 INFO L195 NwaCegarLoop]: trace histogram [29, 29, 20, 20, 19, 19, 12, 12, 12, 10, 10, 10, 10, 10, 10, 5, 5, 5, 4, 4, 4, 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, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 12:29:01,121 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f858fa83-bfa6-4043-b9df-bf9384a95ff4/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2022-12-13 12:29:01,308 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f858fa83-bfa6-4043-b9df-bf9384a95ff4/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable25 [2022-12-13 12:29:01,310 INFO L420 AbstractCegarLoop]: === Iteration 27 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-12-13 12:29:01,311 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 12:29:01,312 INFO L85 PathProgramCache]: Analyzing trace with hash -881485902, now seen corresponding path program 1 times [2022-12-13 12:29:01,312 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 12:29:01,312 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [498595451] [2022-12-13 12:29:01,313 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 12:29:01,313 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 12:29:01,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:29:01,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-12-13 12:29:01,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:29:01,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:29:01,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:29:01,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-12-13 12:29:01,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:29:01,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:29:01,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:29:01,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-12-13 12:29:01,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:29:01,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:29:01,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:29:01,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-12-13 12:29:01,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:29:01,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:29:01,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:29:01,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-12-13 12:29:01,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:29:01,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:29:01,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:29:01,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-12-13 12:29:01,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:29:01,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:29:01,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:29:01,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-12-13 12:29:01,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:29:01,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:29:01,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:29:01,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-12-13 12:29:01,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:29:01,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:29:01,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:29:01,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-12-13 12:29:01,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:29:01,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:29:01,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:29:01,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-12-13 12:29:01,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:29:01,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:29:01,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:29:01,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-12-13 12:29:01,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:29:01,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2022-12-13 12:29:01,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:29:01,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2022-12-13 12:29:01,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:29:01,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2022-12-13 12:29:01,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:29:01,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2022-12-13 12:29:01,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:29:01,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2022-12-13 12:29:01,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:29:01,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:29:01,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:29:01,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-12-13 12:29:01,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:29:01,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2022-12-13 12:29:01,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:29:01,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2022-12-13 12:29:01,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:29:01,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:29:01,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:29:01,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 12:29:01,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:29:01,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-12-13 12:29:01,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:29:01,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2022-12-13 12:29:01,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:29:01,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:29:01,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:29:01,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 12:29:01,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:29:01,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-12-13 12:29:01,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:29:01,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2022-12-13 12:29:01,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:29:01,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2022-12-13 12:29:01,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:29:01,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2022-12-13 12:29:01,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:29:01,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2022-12-13 12:29:01,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:29:01,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 291 [2022-12-13 12:29:01,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:29:01,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:29:01,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:29:01,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 303 [2022-12-13 12:29:01,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:29:01,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 310 [2022-12-13 12:29:01,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:29:01,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 328 [2022-12-13 12:29:02,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:29:02,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 12:29:02,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:29:02,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:29:02,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:29:02,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 12:29:02,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:29:02,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-12-13 12:29:02,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:29:02,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-12-13 12:29:02,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:29:02,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-12-13 12:29:02,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:29:02,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-12-13 12:29:02,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:29:02,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2022-12-13 12:29:02,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:29:02,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-12-13 12:29:02,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:29:02,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2022-12-13 12:29:02,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:29:02,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2022-12-13 12:29:02,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:29:02,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-12-13 12:29:02,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:29:02,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2022-12-13 12:29:02,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:29:02,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-12-13 12:29:02,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:29:02,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2022-12-13 12:29:02,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:29:02,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-12-13 12:29:02,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:29:02,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2022-12-13 12:29:02,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:29:02,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2022-12-13 12:29:02,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:29:02,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-12-13 12:29:02,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:29:02,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2022-12-13 12:29:02,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:29:02,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-12-13 12:29:02,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:29:02,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2022-12-13 12:29:02,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:29:02,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2022-12-13 12:29:02,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:29:02,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2022-12-13 12:29:02,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:29:02,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2022-12-13 12:29:02,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:29:02,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2022-12-13 12:29:02,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:29:02,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-12-13 12:29:02,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:29:02,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-12-13 12:29:02,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:29:02,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2022-12-13 12:29:02,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:29:02,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2022-12-13 12:29:02,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:29:02,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2022-12-13 12:29:02,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:29:02,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2022-12-13 12:29:02,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:29:02,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2022-12-13 12:29:02,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:29:02,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2022-12-13 12:29:02,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:29:02,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2022-12-13 12:29:02,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:29:02,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2022-12-13 12:29:02,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:29:02,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2022-12-13 12:29:02,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:29:02,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2022-12-13 12:29:02,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:29:02,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2022-12-13 12:29:02,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:29:02,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 237 [2022-12-13 12:29:02,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:29:02,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2022-12-13 12:29:02,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:29:02,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2022-12-13 12:29:02,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:29:02,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2022-12-13 12:29:02,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:29:02,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2022-12-13 12:29:02,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:29:02,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2022-12-13 12:29:02,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:29:02,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2022-12-13 12:29:02,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:29:02,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2022-12-13 12:29:02,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:29:02,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2022-12-13 12:29:02,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:29:02,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 283 [2022-12-13 12:29:02,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:29:02,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2022-12-13 12:29:02,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:29:02,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-12-13 12:29:02,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:29:02,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-12-13 12:29:02,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:29:02,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 328 [2022-12-13 12:29:02,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:29:02,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 334 [2022-12-13 12:29:02,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:29:02,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 340 [2022-12-13 12:29:02,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:29:02,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 694 [2022-12-13 12:29:02,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:29:02,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 708 [2022-12-13 12:29:02,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:29:02,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 713 [2022-12-13 12:29:02,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:29:02,725 INFO L134 CoverageAnalysis]: Checked inductivity of 2950 backedges. 50 proven. 4 refuted. 0 times theorem prover too weak. 2896 trivial. 0 not checked. [2022-12-13 12:29:02,725 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 12:29:02,725 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [498595451] [2022-12-13 12:29:02,725 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [498595451] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 12:29:02,726 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [638061275] [2022-12-13 12:29:02,726 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 12:29:02,726 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 12:29:02,726 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f858fa83-bfa6-4043-b9df-bf9384a95ff4/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 12:29:02,727 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f858fa83-bfa6-4043-b9df-bf9384a95ff4/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 12:29:02,728 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f858fa83-bfa6-4043-b9df-bf9384a95ff4/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2022-12-13 12:29:03,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:29:03,649 INFO L263 TraceCheckSpWp]: Trace formula consists of 5693 conjuncts, 2 conjunts are in the unsatisfiable core [2022-12-13 12:29:03,658 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 12:29:03,682 INFO L134 CoverageAnalysis]: Checked inductivity of 2950 backedges. 1021 proven. 0 refuted. 0 times theorem prover too weak. 1929 trivial. 0 not checked. [2022-12-13 12:29:03,682 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 12:29:03,683 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [638061275] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 12:29:03,683 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-13 12:29:03,683 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [8] total 9 [2022-12-13 12:29:03,683 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1539726190] [2022-12-13 12:29:03,683 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 12:29:03,684 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 12:29:03,684 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 12:29:03,684 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 12:29:03,684 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-12-13 12:29:03,684 INFO L87 Difference]: Start difference. First operand 111317 states and 152007 transitions. Second operand has 3 states, 3 states have (on average 93.33333333333333) internal successors, (280), 3 states have internal predecessors, (280), 2 states have call successors, (89), 2 states have call predecessors, (89), 2 states have return successors, (87), 2 states have call predecessors, (87), 2 states have call successors, (87) [2022-12-13 12:29:14,483 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 12:29:14,483 INFO L93 Difference]: Finished difference Result 222612 states and 304194 transitions. [2022-12-13 12:29:14,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 12:29:14,484 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 93.33333333333333) internal successors, (280), 3 states have internal predecessors, (280), 2 states have call successors, (89), 2 states have call predecessors, (89), 2 states have return successors, (87), 2 states have call predecessors, (87), 2 states have call successors, (87) Word has length 727 [2022-12-13 12:29:14,484 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 12:29:14,922 INFO L225 Difference]: With dead ends: 222612 [2022-12-13 12:29:14,922 INFO L226 Difference]: Without dead ends: 111377 [2022-12-13 12:29:15,276 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 940 GetRequests, 933 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-12-13 12:29:15,276 INFO L413 NwaCegarLoop]: 2882 mSDtfsCounter, 0 mSDsluCounter, 2877 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 5759 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 12:29:15,277 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 5759 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 12:29:15,365 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111377 states. [2022-12-13 12:29:26,534 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111377 to 111377. [2022-12-13 12:29:26,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 111377 states, 76021 states have (on average 1.210099840833454) internal successors, (91993), 76958 states have internal predecessors, (91993), 29809 states have call successors, (29809), 5481 states have call predecessors, (29809), 5545 states have return successors, (30265), 29439 states have call predecessors, (30265), 29809 states have call successors, (30265) [2022-12-13 12:29:27,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111377 states to 111377 states and 152067 transitions. [2022-12-13 12:29:27,099 INFO L78 Accepts]: Start accepts. Automaton has 111377 states and 152067 transitions. Word has length 727 [2022-12-13 12:29:27,100 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 12:29:27,100 INFO L495 AbstractCegarLoop]: Abstraction has 111377 states and 152067 transitions. [2022-12-13 12:29:27,100 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 93.33333333333333) internal successors, (280), 3 states have internal predecessors, (280), 2 states have call successors, (89), 2 states have call predecessors, (89), 2 states have return successors, (87), 2 states have call predecessors, (87), 2 states have call successors, (87) [2022-12-13 12:29:27,100 INFO L276 IsEmpty]: Start isEmpty. Operand 111377 states and 152067 transitions. [2022-12-13 12:29:27,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 728 [2022-12-13 12:29:27,163 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 12:29:27,163 INFO L195 NwaCegarLoop]: trace histogram [29, 29, 20, 20, 19, 19, 12, 12, 12, 10, 10, 10, 10, 10, 10, 5, 5, 5, 4, 4, 4, 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, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 12:29:27,178 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f858fa83-bfa6-4043-b9df-bf9384a95ff4/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2022-12-13 12:29:27,364 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f858fa83-bfa6-4043-b9df-bf9384a95ff4/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable26 [2022-12-13 12:29:27,366 INFO L420 AbstractCegarLoop]: === Iteration 28 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-12-13 12:29:27,366 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 12:29:27,367 INFO L85 PathProgramCache]: Analyzing trace with hash 277053742, now seen corresponding path program 1 times [2022-12-13 12:29:27,367 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 12:29:27,367 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1071668649] [2022-12-13 12:29:27,368 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 12:29:27,368 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 12:29:27,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:29:27,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-12-13 12:29:27,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:29:27,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:29:27,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:29:27,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-12-13 12:29:27,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:29:27,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:29:27,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:29:27,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-12-13 12:29:27,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:29:27,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:29:27,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:29:27,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-12-13 12:29:27,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:29:27,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:29:27,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:29:27,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-12-13 12:29:27,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:29:27,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:29:27,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:29:27,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-12-13 12:29:27,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:29:27,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:29:27,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:29:27,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-12-13 12:29:27,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:29:27,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:29:27,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:29:27,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-12-13 12:29:27,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:29:27,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:29:27,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:29:27,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-12-13 12:29:27,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:29:27,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:29:27,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:29:27,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-12-13 12:29:27,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:29:27,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:29:27,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:29:27,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-12-13 12:29:27,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:29:27,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2022-12-13 12:29:27,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:29:27,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2022-12-13 12:29:27,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:29:27,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2022-12-13 12:29:27,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:29:27,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2022-12-13 12:29:27,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:29:27,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2022-12-13 12:29:27,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:29:27,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:29:27,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:29:27,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-12-13 12:29:27,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:29:27,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2022-12-13 12:29:27,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:29:27,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2022-12-13 12:29:27,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:29:27,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:29:27,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:29:27,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 12:29:27,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:29:27,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-12-13 12:29:27,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:29:27,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2022-12-13 12:29:27,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:29:27,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:29:27,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:29:27,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 12:29:27,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:29:27,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-12-13 12:29:27,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:29:27,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2022-12-13 12:29:27,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:29:27,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2022-12-13 12:29:27,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:29:27,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2022-12-13 12:29:27,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:29:27,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2022-12-13 12:29:27,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:29:27,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 291 [2022-12-13 12:29:27,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:29:27,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:29:27,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:29:27,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 303 [2022-12-13 12:29:28,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:29:28,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 310 [2022-12-13 12:29:28,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:29:28,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 328 [2022-12-13 12:29:28,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:29:28,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 12:29:28,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:29:28,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:29:28,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:29:28,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 12:29:28,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:29:28,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-12-13 12:29:28,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:29:28,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-12-13 12:29:28,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:29:28,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-12-13 12:29:28,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:29:28,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-12-13 12:29:28,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:29:28,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2022-12-13 12:29:28,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:29:28,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-12-13 12:29:28,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:29:28,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2022-12-13 12:29:28,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:29:28,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2022-12-13 12:29:28,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:29:28,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-12-13 12:29:28,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:29:28,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2022-12-13 12:29:28,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:29:28,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-12-13 12:29:28,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:29:28,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2022-12-13 12:29:28,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:29:28,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-12-13 12:29:28,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:29:28,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2022-12-13 12:29:28,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:29:28,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2022-12-13 12:29:28,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:29:28,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-12-13 12:29:28,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:29:28,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2022-12-13 12:29:28,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:29:28,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-12-13 12:29:28,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:29:28,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2022-12-13 12:29:28,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:29:28,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2022-12-13 12:29:28,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:29:28,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2022-12-13 12:29:28,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:29:28,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2022-12-13 12:29:28,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:29:28,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2022-12-13 12:29:28,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:29:28,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-12-13 12:29:28,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:29:28,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-12-13 12:29:28,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:29:28,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2022-12-13 12:29:28,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:29:28,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2022-12-13 12:29:28,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:29:28,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2022-12-13 12:29:28,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:29:28,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2022-12-13 12:29:28,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:29:28,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2022-12-13 12:29:28,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:29:28,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2022-12-13 12:29:28,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:29:28,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2022-12-13 12:29:28,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:29:28,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2022-12-13 12:29:28,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:29:28,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2022-12-13 12:29:28,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:29:28,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2022-12-13 12:29:28,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:29:28,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2022-12-13 12:29:28,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:29:28,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 237 [2022-12-13 12:29:28,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:29:28,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2022-12-13 12:29:28,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:29:28,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2022-12-13 12:29:28,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:29:28,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2022-12-13 12:29:28,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:29:28,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2022-12-13 12:29:28,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:29:28,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2022-12-13 12:29:28,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:29:28,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2022-12-13 12:29:28,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:29:28,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2022-12-13 12:29:28,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:29:28,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2022-12-13 12:29:28,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:29:28,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 283 [2022-12-13 12:29:28,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:29:28,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2022-12-13 12:29:28,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:29:28,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-12-13 12:29:28,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:29:28,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-12-13 12:29:28,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:29:28,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 328 [2022-12-13 12:29:28,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:29:28,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 334 [2022-12-13 12:29:28,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:29:28,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 340 [2022-12-13 12:29:28,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:29:28,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 694 [2022-12-13 12:29:28,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:29:28,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 708 [2022-12-13 12:29:28,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:29:28,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 713 [2022-12-13 12:29:28,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:29:28,703 INFO L134 CoverageAnalysis]: Checked inductivity of 2950 backedges. 50 proven. 4 refuted. 0 times theorem prover too weak. 2896 trivial. 0 not checked. [2022-12-13 12:29:28,703 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 12:29:28,703 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1071668649] [2022-12-13 12:29:28,703 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1071668649] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 12:29:28,703 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1984560930] [2022-12-13 12:29:28,704 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 12:29:28,704 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 12:29:28,704 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f858fa83-bfa6-4043-b9df-bf9384a95ff4/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 12:29:28,705 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f858fa83-bfa6-4043-b9df-bf9384a95ff4/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 12:29:28,705 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f858fa83-bfa6-4043-b9df-bf9384a95ff4/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2022-12-13 12:29:29,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:29:29,934 INFO L263 TraceCheckSpWp]: Trace formula consists of 5697 conjuncts, 2 conjunts are in the unsatisfiable core [2022-12-13 12:29:29,943 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 12:29:29,976 INFO L134 CoverageAnalysis]: Checked inductivity of 2950 backedges. 289 proven. 0 refuted. 0 times theorem prover too weak. 2661 trivial. 0 not checked. [2022-12-13 12:29:29,976 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 12:29:29,976 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1984560930] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 12:29:29,976 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-13 12:29:29,976 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [8] total 9 [2022-12-13 12:29:29,977 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1202374639] [2022-12-13 12:29:29,977 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 12:29:29,978 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 12:29:29,978 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 12:29:29,978 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 12:29:29,979 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2022-12-13 12:29:29,979 INFO L87 Difference]: Start difference. First operand 111377 states and 152067 transitions. Second operand has 3 states, 3 states have (on average 96.0) internal successors, (288), 3 states have internal predecessors, (288), 3 states have call successors, (90), 3 states have call predecessors, (90), 3 states have return successors, (88), 3 states have call predecessors, (88), 3 states have call successors, (88) [2022-12-13 12:29:43,076 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 12:29:43,076 INFO L93 Difference]: Finished difference Result 239211 states and 326637 transitions. [2022-12-13 12:29:43,077 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 12:29:43,077 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 96.0) internal successors, (288), 3 states have internal predecessors, (288), 3 states have call successors, (90), 3 states have call predecessors, (90), 3 states have return successors, (88), 3 states have call predecessors, (88), 3 states have call successors, (88) Word has length 727 [2022-12-13 12:29:43,078 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 12:29:43,653 INFO L225 Difference]: With dead ends: 239211 [2022-12-13 12:29:43,654 INFO L226 Difference]: Without dead ends: 127916 [2022-12-13 12:29:44,026 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 940 GetRequests, 933 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2022-12-13 12:29:44,027 INFO L413 NwaCegarLoop]: 4095 mSDtfsCounter, 2682 mSDsluCounter, 2398 mSDsCounter, 0 mSdLazyCounter, 62 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2682 SdHoareTripleChecker+Valid, 6493 SdHoareTripleChecker+Invalid, 85 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 62 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-13 12:29:44,027 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2682 Valid, 6493 Invalid, 85 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 62 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-13 12:29:44,128 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 127916 states. [2022-12-13 12:29:56,761 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 127916 to 127788. [2022-12-13 12:29:56,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 127788 states, 87437 states have (on average 1.210402918672873) internal successors, (105834), 88480 states have internal predecessors, (105834), 33933 states have call successors, (33933), 6340 states have call predecessors, (33933), 6416 states have return successors, (34429), 33521 states have call predecessors, (34429), 33933 states have call successors, (34429) [2022-12-13 12:29:57,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127788 states to 127788 states and 174196 transitions. [2022-12-13 12:29:57,494 INFO L78 Accepts]: Start accepts. Automaton has 127788 states and 174196 transitions. Word has length 727 [2022-12-13 12:29:57,494 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 12:29:57,494 INFO L495 AbstractCegarLoop]: Abstraction has 127788 states and 174196 transitions. [2022-12-13 12:29:57,494 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 96.0) internal successors, (288), 3 states have internal predecessors, (288), 3 states have call successors, (90), 3 states have call predecessors, (90), 3 states have return successors, (88), 3 states have call predecessors, (88), 3 states have call successors, (88) [2022-12-13 12:29:57,494 INFO L276 IsEmpty]: Start isEmpty. Operand 127788 states and 174196 transitions. [2022-12-13 12:29:57,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 824 [2022-12-13 12:29:57,570 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 12:29:57,571 INFO L195 NwaCegarLoop]: trace histogram [28, 28, 28, 28, 28, 13, 13, 13, 13, 13, 13, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 7, 7, 7, 6, 4, 4, 4, 4, 4, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 12:29:57,586 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f858fa83-bfa6-4043-b9df-bf9384a95ff4/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2022-12-13 12:29:57,771 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f858fa83-bfa6-4043-b9df-bf9384a95ff4/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable27 [2022-12-13 12:29:57,773 INFO L420 AbstractCegarLoop]: === Iteration 29 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-12-13 12:29:57,774 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 12:29:57,774 INFO L85 PathProgramCache]: Analyzing trace with hash 1242660355, now seen corresponding path program 1 times [2022-12-13 12:29:57,775 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 12:29:57,775 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [809952524] [2022-12-13 12:29:57,775 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 12:29:57,776 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 12:29:57,899 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-12-13 12:29:57,899 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [251649820] [2022-12-13 12:29:57,899 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 12:29:57,899 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 12:29:57,900 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f858fa83-bfa6-4043-b9df-bf9384a95ff4/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 12:29:57,900 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f858fa83-bfa6-4043-b9df-bf9384a95ff4/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 12:29:57,901 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f858fa83-bfa6-4043-b9df-bf9384a95ff4/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2022-12-13 12:29:59,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:29:59,063 INFO L263 TraceCheckSpWp]: Trace formula consists of 5773 conjuncts, 5 conjunts are in the unsatisfiable core [2022-12-13 12:29:59,073 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 12:29:59,129 INFO L134 CoverageAnalysis]: Checked inductivity of 3701 backedges. 1649 proven. 0 refuted. 0 times theorem prover too weak. 2052 trivial. 0 not checked. [2022-12-13 12:29:59,129 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 12:29:59,129 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 12:29:59,129 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [809952524] [2022-12-13 12:29:59,129 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-12-13 12:29:59,129 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [251649820] [2022-12-13 12:29:59,129 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [251649820] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 12:29:59,129 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 12:29:59,129 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-13 12:29:59,130 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [825561577] [2022-12-13 12:29:59,130 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 12:29:59,130 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-13 12:29:59,130 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 12:29:59,131 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-13 12:29:59,131 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-13 12:29:59,131 INFO L87 Difference]: Start difference. First operand 127788 states and 174196 transitions. Second operand has 5 states, 5 states have (on average 58.8) internal successors, (294), 5 states have internal predecessors, (294), 2 states have call successors, (82), 2 states have call predecessors, (82), 2 states have return successors, (80), 2 states have call predecessors, (80), 2 states have call successors, (80) [2022-12-13 12:30:18,220 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 12:30:18,220 INFO L93 Difference]: Finished difference Result 325934 states and 448504 transitions. [2022-12-13 12:30:18,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-13 12:30:18,221 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 58.8) internal successors, (294), 5 states have internal predecessors, (294), 2 states have call successors, (82), 2 states have call predecessors, (82), 2 states have return successors, (80), 2 states have call predecessors, (80), 2 states have call successors, (80) Word has length 823 [2022-12-13 12:30:18,222 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 12:30:19,027 INFO L225 Difference]: With dead ends: 325934 [2022-12-13 12:30:19,027 INFO L226 Difference]: Without dead ends: 198228 [2022-12-13 12:30:19,452 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 826 GetRequests, 821 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-12-13 12:30:19,453 INFO L413 NwaCegarLoop]: 3894 mSDtfsCounter, 2721 mSDsluCounter, 9738 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 703 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2721 SdHoareTripleChecker+Valid, 13632 SdHoareTripleChecker+Invalid, 720 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 703 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-12-13 12:30:19,453 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2721 Valid, 13632 Invalid, 720 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [703 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-12-13 12:30:19,603 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 198228 states. [2022-12-13 12:30:34,560 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 198228 to 127872. [2022-12-13 12:30:34,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 127872 states, 87521 states have (on average 1.210200980336148) internal successors, (105918), 88564 states have internal predecessors, (105918), 33933 states have call successors, (33933), 6340 states have call predecessors, (33933), 6416 states have return successors, (34429), 33521 states have call predecessors, (34429), 33933 states have call successors, (34429) [2022-12-13 12:30:35,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127872 states to 127872 states and 174280 transitions. [2022-12-13 12:30:35,296 INFO L78 Accepts]: Start accepts. Automaton has 127872 states and 174280 transitions. Word has length 823 [2022-12-13 12:30:35,296 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 12:30:35,296 INFO L495 AbstractCegarLoop]: Abstraction has 127872 states and 174280 transitions. [2022-12-13 12:30:35,296 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 58.8) internal successors, (294), 5 states have internal predecessors, (294), 2 states have call successors, (82), 2 states have call predecessors, (82), 2 states have return successors, (80), 2 states have call predecessors, (80), 2 states have call successors, (80) [2022-12-13 12:30:35,297 INFO L276 IsEmpty]: Start isEmpty. Operand 127872 states and 174280 transitions. [2022-12-13 12:30:35,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 824 [2022-12-13 12:30:35,373 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 12:30:35,373 INFO L195 NwaCegarLoop]: trace histogram [28, 28, 28, 28, 28, 13, 13, 13, 13, 13, 13, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 7, 7, 7, 6, 4, 4, 4, 4, 4, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 12:30:35,389 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f858fa83-bfa6-4043-b9df-bf9384a95ff4/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2022-12-13 12:30:35,574 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f858fa83-bfa6-4043-b9df-bf9384a95ff4/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable28 [2022-12-13 12:30:35,576 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 12:30:35,576 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 12:30:35,577 INFO L85 PathProgramCache]: Analyzing trace with hash 1909278913, now seen corresponding path program 1 times [2022-12-13 12:30:35,578 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 12:30:35,578 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [607844149] [2022-12-13 12:30:35,579 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 12:30:35,579 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 12:30:35,702 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-12-13 12:30:35,702 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1458946471] [2022-12-13 12:30:35,702 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 12:30:35,702 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 12:30:35,702 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f858fa83-bfa6-4043-b9df-bf9384a95ff4/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 12:30:35,703 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f858fa83-bfa6-4043-b9df-bf9384a95ff4/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 12:30:35,704 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f858fa83-bfa6-4043-b9df-bf9384a95ff4/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2022-12-13 12:30:36,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:30:36,750 INFO L263 TraceCheckSpWp]: Trace formula consists of 5784 conjuncts, 3 conjunts are in the unsatisfiable core [2022-12-13 12:30:36,761 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 12:30:36,820 INFO L134 CoverageAnalysis]: Checked inductivity of 3701 backedges. 812 proven. 4 refuted. 0 times theorem prover too weak. 2885 trivial. 0 not checked. [2022-12-13 12:30:36,820 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-13 12:30:37,142 INFO L134 CoverageAnalysis]: Checked inductivity of 3701 backedges. 66 proven. 4 refuted. 0 times theorem prover too weak. 3631 trivial. 0 not checked. [2022-12-13 12:30:37,142 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 12:30:37,142 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [607844149] [2022-12-13 12:30:37,142 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-12-13 12:30:37,142 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1458946471] [2022-12-13 12:30:37,142 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1458946471] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-13 12:30:37,142 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-12-13 12:30:37,143 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 6 [2022-12-13 12:30:37,143 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1604660200] [2022-12-13 12:30:37,143 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-12-13 12:30:37,144 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-13 12:30:37,144 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 12:30:37,145 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 12:30:37,145 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-12-13 12:30:37,145 INFO L87 Difference]: Start difference. First operand 127872 states and 174280 transitions. Second operand has 6 states, 6 states have (on average 60.333333333333336) internal successors, (362), 6 states have internal predecessors, (362), 6 states have call successors, (111), 2 states have call predecessors, (111), 2 states have return successors, (109), 6 states have call predecessors, (109), 6 states have call successors, (109) [2022-12-13 12:31:07,140 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 12:31:07,140 INFO L93 Difference]: Finished difference Result 387786 states and 549876 transitions. [2022-12-13 12:31:07,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-13 12:31:07,141 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 60.333333333333336) internal successors, (362), 6 states have internal predecessors, (362), 6 states have call successors, (111), 2 states have call predecessors, (111), 2 states have return successors, (109), 6 states have call predecessors, (109), 6 states have call successors, (109) Word has length 823 [2022-12-13 12:31:07,141 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 12:31:08,686 INFO L225 Difference]: With dead ends: 387786 [2022-12-13 12:31:08,686 INFO L226 Difference]: Without dead ends: 259996 [2022-12-13 12:31:09,277 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1644 GetRequests, 1640 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-12-13 12:31:09,277 INFO L413 NwaCegarLoop]: 4173 mSDtfsCounter, 1471 mSDsluCounter, 10297 mSDsCounter, 0 mSdLazyCounter, 1007 mSolverCounterSat, 199 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2260 SdHoareTripleChecker+Valid, 14470 SdHoareTripleChecker+Invalid, 1206 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 199 IncrementalHoareTripleChecker+Valid, 1007 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-12-13 12:31:09,277 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2260 Valid, 14470 Invalid, 1206 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [199 Valid, 1007 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-12-13 12:31:09,475 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 259996 states. [2022-12-13 12:31:29,114 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 259996 to 129028. [2022-12-13 12:31:29,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 129028 states, 88269 states have (on average 1.212271578923518) internal successors, (107006), 89312 states have internal predecessors, (107006), 34341 states have call successors, (34341), 6340 states have call predecessors, (34341), 6416 states have return successors, (34837), 33929 states have call predecessors, (34837), 34341 states have call successors, (34837) [2022-12-13 12:31:29,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129028 states to 129028 states and 176184 transitions. [2022-12-13 12:31:29,828 INFO L78 Accepts]: Start accepts. Automaton has 129028 states and 176184 transitions. Word has length 823 [2022-12-13 12:31:29,829 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 12:31:29,829 INFO L495 AbstractCegarLoop]: Abstraction has 129028 states and 176184 transitions. [2022-12-13 12:31:29,829 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 60.333333333333336) internal successors, (362), 6 states have internal predecessors, (362), 6 states have call successors, (111), 2 states have call predecessors, (111), 2 states have return successors, (109), 6 states have call predecessors, (109), 6 states have call successors, (109) [2022-12-13 12:31:29,829 INFO L276 IsEmpty]: Start isEmpty. Operand 129028 states and 176184 transitions. [2022-12-13 12:31:29,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 849 [2022-12-13 12:31:29,905 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 12:31:29,906 INFO L195 NwaCegarLoop]: trace histogram [28, 28, 28, 28, 28, 13, 13, 13, 13, 13, 13, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 7, 7, 7, 6, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 12:31:29,922 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f858fa83-bfa6-4043-b9df-bf9384a95ff4/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2022-12-13 12:31:30,106 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f858fa83-bfa6-4043-b9df-bf9384a95ff4/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 12:31:30,108 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 12:31:30,108 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 12:31:30,109 INFO L85 PathProgramCache]: Analyzing trace with hash -1273539465, now seen corresponding path program 1 times [2022-12-13 12:31:30,110 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 12:31:30,110 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2143839832] [2022-12-13 12:31:30,110 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 12:31:30,111 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 12:31:30,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:31:30,363 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 12:31:30,363 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2143839832] [2022-12-13 12:31:30,363 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2022-12-13 12:31:30,363 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1518178011] [2022-12-13 12:31:30,363 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 12:31:30,363 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 12:31:30,363 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f858fa83-bfa6-4043-b9df-bf9384a95ff4/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 12:31:30,364 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f858fa83-bfa6-4043-b9df-bf9384a95ff4/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 12:31:30,365 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f858fa83-bfa6-4043-b9df-bf9384a95ff4/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2022-12-13 12:31:31,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:31:31,776 INFO L263 TraceCheckSpWp]: Trace formula consists of 5859 conjuncts, 6 conjunts are in the unsatisfiable core [2022-12-13 12:31:31,784 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 12:31:31,865 INFO L134 CoverageAnalysis]: Checked inductivity of 3760 backedges. 812 proven. 33 refuted. 0 times theorem prover too weak. 2915 trivial. 0 not checked. [2022-12-13 12:31:31,865 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-13 12:31:32,213 INFO L134 CoverageAnalysis]: Checked inductivity of 3760 backedges. 66 proven. 33 refuted. 0 times theorem prover too weak. 3661 trivial. 0 not checked. [2022-12-13 12:31:32,213 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1518178011] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-13 12:31:32,213 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-12-13 12:31:32,214 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 12 [2022-12-13 12:31:32,214 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [11807891] [2022-12-13 12:31:32,214 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-12-13 12:31:32,216 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-12-13 12:31:32,216 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 12:31:32,217 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-12-13 12:31:32,217 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=66, Unknown=0, NotChecked=0, Total=132 [2022-12-13 12:31:32,217 INFO L87 Difference]: Start difference. First operand 129028 states and 176184 transitions. Second operand has 12 states, 12 states have (on average 31.666666666666668) internal successors, (380), 12 states have internal predecessors, (380), 10 states have call successors, (119), 2 states have call predecessors, (119), 2 states have return successors, (117), 10 states have call predecessors, (117), 10 states have call successors, (117) [2022-12-13 12:32:37,171 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 12:32:37,171 INFO L93 Difference]: Finished difference Result 590902 states and 859256 transitions. [2022-12-13 12:32:37,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-12-13 12:32:37,172 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 31.666666666666668) internal successors, (380), 12 states have internal predecessors, (380), 10 states have call successors, (119), 2 states have call predecessors, (119), 2 states have return successors, (117), 10 states have call predecessors, (117), 10 states have call successors, (117) Word has length 848 [2022-12-13 12:32:37,172 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 12:32:40,093 INFO L225 Difference]: With dead ends: 590902 [2022-12-13 12:32:40,093 INFO L226 Difference]: Without dead ends: 461956 [2022-12-13 12:32:40,835 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1694 GetRequests, 1684 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=66, Invalid=66, Unknown=0, NotChecked=0, Total=132 [2022-12-13 12:32:40,836 INFO L413 NwaCegarLoop]: 4893 mSDtfsCounter, 7795 mSDsluCounter, 8629 mSDsCounter, 0 mSdLazyCounter, 4401 mSolverCounterSat, 2764 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9770 SdHoareTripleChecker+Valid, 13522 SdHoareTripleChecker+Invalid, 7165 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2764 IncrementalHoareTripleChecker+Valid, 4401 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.2s IncrementalHoareTripleChecker+Time [2022-12-13 12:32:40,836 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9770 Valid, 13522 Invalid, 7165 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2764 Valid, 4401 Invalid, 0 Unknown, 0 Unchecked, 4.2s Time] [2022-12-13 12:32:41,222 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 461956 states. [2022-12-13 12:33:15,901 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 461956 to 131476. [2022-12-13 12:33:15,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 131476 states, 89901 states have (on average 1.2174947998353745) internal successors, (109454), 90944 states have internal predecessors, (109454), 35157 states have call successors, (35157), 6340 states have call predecessors, (35157), 6416 states have return successors, (35653), 34745 states have call predecessors, (35653), 35157 states have call successors, (35653) [2022-12-13 12:33:16,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131476 states to 131476 states and 180264 transitions. [2022-12-13 12:33:16,579 INFO L78 Accepts]: Start accepts. Automaton has 131476 states and 180264 transitions. Word has length 848 [2022-12-13 12:33:16,580 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 12:33:16,580 INFO L495 AbstractCegarLoop]: Abstraction has 131476 states and 180264 transitions. [2022-12-13 12:33:16,580 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 31.666666666666668) internal successors, (380), 12 states have internal predecessors, (380), 10 states have call successors, (119), 2 states have call predecessors, (119), 2 states have return successors, (117), 10 states have call predecessors, (117), 10 states have call successors, (117) [2022-12-13 12:33:16,580 INFO L276 IsEmpty]: Start isEmpty. Operand 131476 states and 180264 transitions. [2022-12-13 12:33:16,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 849 [2022-12-13 12:33:16,659 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 12:33:16,659 INFO L195 NwaCegarLoop]: trace histogram [28, 28, 28, 28, 28, 13, 13, 13, 13, 13, 13, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 7, 7, 7, 6, 6, 6, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 12:33:16,675 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f858fa83-bfa6-4043-b9df-bf9384a95ff4/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2022-12-13 12:33:16,859 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f858fa83-bfa6-4043-b9df-bf9384a95ff4/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable30 [2022-12-13 12:33:16,861 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 12:33:16,862 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 12:33:16,864 INFO L85 PathProgramCache]: Analyzing trace with hash 1335186316, now seen corresponding path program 1 times [2022-12-13 12:33:16,864 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 12:33:16,865 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1716855697] [2022-12-13 12:33:16,865 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 12:33:16,866 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 12:33:17,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:33:17,055 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 12:33:17,055 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1716855697] [2022-12-13 12:33:17,055 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2022-12-13 12:33:17,055 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1552559208] [2022-12-13 12:33:17,055 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 12:33:17,055 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 12:33:17,055 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f858fa83-bfa6-4043-b9df-bf9384a95ff4/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 12:33:17,056 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f858fa83-bfa6-4043-b9df-bf9384a95ff4/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 12:33:17,057 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f858fa83-bfa6-4043-b9df-bf9384a95ff4/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2022-12-13 12:33:18,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:33:18,196 INFO L263 TraceCheckSpWp]: Trace formula consists of 5914 conjuncts, 4 conjunts are in the unsatisfiable core [2022-12-13 12:33:18,205 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 12:33:18,265 INFO L134 CoverageAnalysis]: Checked inductivity of 3748 backedges. 410 proven. 0 refuted. 0 times theorem prover too weak. 3338 trivial. 0 not checked. [2022-12-13 12:33:18,265 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 12:33:18,265 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1552559208] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 12:33:18,265 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 12:33:18,265 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-13 12:33:18,266 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1626349862] [2022-12-13 12:33:18,266 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 12:33:18,266 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-13 12:33:18,267 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 12:33:18,267 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-13 12:33:18,267 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-13 12:33:18,268 INFO L87 Difference]: Start difference. First operand 131476 states and 180264 transitions. Second operand has 5 states, 5 states have (on average 61.2) internal successors, (306), 4 states have internal predecessors, (306), 3 states have call successors, (83), 3 states have call predecessors, (83), 4 states have return successors, (81), 4 states have call predecessors, (81), 3 states have call successors, (81) [2022-12-13 12:33:37,881 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 12:33:37,881 INFO L93 Difference]: Finished difference Result 287852 states and 394192 transitions. [2022-12-13 12:33:37,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-13 12:33:37,882 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 61.2) internal successors, (306), 4 states have internal predecessors, (306), 3 states have call successors, (83), 3 states have call predecessors, (83), 4 states have return successors, (81), 4 states have call predecessors, (81), 3 states have call successors, (81) Word has length 848 [2022-12-13 12:33:37,883 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 12:33:38,548 INFO L225 Difference]: With dead ends: 287852 [2022-12-13 12:33:38,548 INFO L226 Difference]: Without dead ends: 156458 [2022-12-13 12:33:38,984 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 849 GetRequests, 844 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2022-12-13 12:33:38,985 INFO L413 NwaCegarLoop]: 5294 mSDtfsCounter, 2541 mSDsluCounter, 13317 mSDsCounter, 0 mSdLazyCounter, 154 mSolverCounterSat, 30 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2542 SdHoareTripleChecker+Valid, 18611 SdHoareTripleChecker+Invalid, 184 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 30 IncrementalHoareTripleChecker+Valid, 154 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-13 12:33:38,985 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2542 Valid, 18611 Invalid, 184 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [30 Valid, 154 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-13 12:33:39,114 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 156458 states. [2022-12-13 12:33:59,382 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 156458 to 156284. [2022-12-13 12:33:59,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 156284 states, 107549 states have (on average 1.217435773461399) internal successors, (130934), 108760 states have internal predecessors, (130934), 40865 states have call successors, (40865), 7768 states have call predecessors, (40865), 7868 states have return successors, (41461), 40393 states have call predecessors, (41461), 40865 states have call successors, (41461) [2022-12-13 12:34:00,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156284 states to 156284 states and 213260 transitions. [2022-12-13 12:34:00,147 INFO L78 Accepts]: Start accepts. Automaton has 156284 states and 213260 transitions. Word has length 848 [2022-12-13 12:34:00,148 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 12:34:00,148 INFO L495 AbstractCegarLoop]: Abstraction has 156284 states and 213260 transitions. [2022-12-13 12:34:00,148 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 61.2) internal successors, (306), 4 states have internal predecessors, (306), 3 states have call successors, (83), 3 states have call predecessors, (83), 4 states have return successors, (81), 4 states have call predecessors, (81), 3 states have call successors, (81) [2022-12-13 12:34:00,148 INFO L276 IsEmpty]: Start isEmpty. Operand 156284 states and 213260 transitions. [2022-12-13 12:34:00,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 850 [2022-12-13 12:34:00,243 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 12:34:00,243 INFO L195 NwaCegarLoop]: trace histogram [28, 28, 28, 28, 28, 13, 13, 13, 13, 13, 13, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 7, 7, 7, 6, 6, 6, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 12:34:00,260 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f858fa83-bfa6-4043-b9df-bf9384a95ff4/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Ended with exit code 0 [2022-12-13 12:34:00,444 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31,16 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f858fa83-bfa6-4043-b9df-bf9384a95ff4/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 12:34:00,445 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 12:34:00,446 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 12:34:00,447 INFO L85 PathProgramCache]: Analyzing trace with hash 2017331822, now seen corresponding path program 1 times [2022-12-13 12:34:00,447 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 12:34:00,447 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [467414034] [2022-12-13 12:34:00,448 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 12:34:00,448 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 12:34:00,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:34:00,605 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 12:34:00,605 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [467414034] [2022-12-13 12:34:00,606 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2022-12-13 12:34:00,606 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2087263424] [2022-12-13 12:34:00,606 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 12:34:00,606 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 12:34:00,606 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f858fa83-bfa6-4043-b9df-bf9384a95ff4/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 12:34:00,607 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f858fa83-bfa6-4043-b9df-bf9384a95ff4/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 12:34:00,607 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f858fa83-bfa6-4043-b9df-bf9384a95ff4/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2022-12-13 12:34:02,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:34:02,121 INFO L263 TraceCheckSpWp]: Trace formula consists of 5915 conjuncts, 4 conjunts are in the unsatisfiable core [2022-12-13 12:34:02,129 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 12:34:02,185 INFO L134 CoverageAnalysis]: Checked inductivity of 3748 backedges. 410 proven. 0 refuted. 0 times theorem prover too weak. 3338 trivial. 0 not checked. [2022-12-13 12:34:02,185 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 12:34:02,185 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2087263424] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 12:34:02,186 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 12:34:02,186 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-13 12:34:02,186 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1339480445] [2022-12-13 12:34:02,186 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 12:34:02,186 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-13 12:34:02,186 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 12:34:02,187 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-13 12:34:02,187 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-13 12:34:02,187 INFO L87 Difference]: Start difference. First operand 156284 states and 213260 transitions. Second operand has 5 states, 5 states have (on average 61.4) internal successors, (307), 4 states have internal predecessors, (307), 3 states have call successors, (83), 3 states have call predecessors, (83), 4 states have return successors, (81), 4 states have call predecessors, (81), 3 states have call successors, (81) [2022-12-13 12:34:24,222 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 12:34:24,222 INFO L93 Difference]: Finished difference Result 338506 states and 461608 transitions. [2022-12-13 12:34:24,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-13 12:34:24,223 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 61.4) internal successors, (307), 4 states have internal predecessors, (307), 3 states have call successors, (83), 3 states have call predecessors, (83), 4 states have return successors, (81), 4 states have call predecessors, (81), 3 states have call successors, (81) Word has length 849 [2022-12-13 12:34:24,224 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 12:34:24,975 INFO L225 Difference]: With dead ends: 338506 [2022-12-13 12:34:24,975 INFO L226 Difference]: Without dead ends: 182304 [2022-12-13 12:34:25,617 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 850 GetRequests, 845 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2022-12-13 12:34:25,617 INFO L413 NwaCegarLoop]: 5266 mSDtfsCounter, 2580 mSDsluCounter, 13224 mSDsCounter, 0 mSdLazyCounter, 148 mSolverCounterSat, 41 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2582 SdHoareTripleChecker+Valid, 18490 SdHoareTripleChecker+Invalid, 189 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 41 IncrementalHoareTripleChecker+Valid, 148 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-12-13 12:34:25,618 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2582 Valid, 18490 Invalid, 189 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [41 Valid, 148 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-12-13 12:34:25,748 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 182304 states. [2022-12-13 12:34:48,363 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 182304 to 182082. [2022-12-13 12:34:48,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 182082 states, 126061 states have (on average 1.2193937855482664) internal successors, (153718), 127460 states have internal predecessors, (153718), 46669 states have call successors, (46669), 9226 states have call predecessors, (46669), 9350 states have return successors, (47365), 46137 states have call predecessors, (47365), 46669 states have call successors, (47365) [2022-12-13 12:34:49,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182082 states to 182082 states and 247752 transitions. [2022-12-13 12:34:49,221 INFO L78 Accepts]: Start accepts. Automaton has 182082 states and 247752 transitions. Word has length 849 [2022-12-13 12:34:49,221 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 12:34:49,221 INFO L495 AbstractCegarLoop]: Abstraction has 182082 states and 247752 transitions. [2022-12-13 12:34:49,222 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 61.4) internal successors, (307), 4 states have internal predecessors, (307), 3 states have call successors, (83), 3 states have call predecessors, (83), 4 states have return successors, (81), 4 states have call predecessors, (81), 3 states have call successors, (81) [2022-12-13 12:34:49,222 INFO L276 IsEmpty]: Start isEmpty. Operand 182082 states and 247752 transitions. [2022-12-13 12:34:49,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 851 [2022-12-13 12:34:49,320 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 12:34:49,320 INFO L195 NwaCegarLoop]: trace histogram [28, 28, 28, 28, 28, 13, 13, 13, 13, 13, 13, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 7, 7, 7, 6, 6, 6, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 12:34:49,336 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f858fa83-bfa6-4043-b9df-bf9384a95ff4/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Ended with exit code 0 [2022-12-13 12:34:49,521 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32,17 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f858fa83-bfa6-4043-b9df-bf9384a95ff4/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 12:34:49,522 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 12:34:49,522 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 12:34:49,523 INFO L85 PathProgramCache]: Analyzing trace with hash 1275168303, now seen corresponding path program 1 times [2022-12-13 12:34:49,523 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 12:34:49,524 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1976987056] [2022-12-13 12:34:49,524 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 12:34:49,525 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 12:34:49,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:34:49,704 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 12:34:49,704 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1976987056] [2022-12-13 12:34:49,704 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2022-12-13 12:34:49,704 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1916483542] [2022-12-13 12:34:49,704 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 12:34:49,704 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 12:34:49,705 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f858fa83-bfa6-4043-b9df-bf9384a95ff4/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 12:34:49,705 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f858fa83-bfa6-4043-b9df-bf9384a95ff4/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 12:34:49,706 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f858fa83-bfa6-4043-b9df-bf9384a95ff4/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2022-12-13 12:34:51,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:34:51,085 INFO L263 TraceCheckSpWp]: Trace formula consists of 5916 conjuncts, 4 conjunts are in the unsatisfiable core [2022-12-13 12:34:51,093 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 12:34:51,153 INFO L134 CoverageAnalysis]: Checked inductivity of 3748 backedges. 410 proven. 0 refuted. 0 times theorem prover too weak. 3338 trivial. 0 not checked. [2022-12-13 12:34:51,153 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 12:34:51,153 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1916483542] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 12:34:51,154 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 12:34:51,154 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-13 12:34:51,154 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [134997206] [2022-12-13 12:34:51,154 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 12:34:51,155 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-13 12:34:51,155 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 12:34:51,156 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-13 12:34:51,156 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-13 12:34:51,156 INFO L87 Difference]: Start difference. First operand 182082 states and 247752 transitions. Second operand has 5 states, 5 states have (on average 61.6) internal successors, (308), 4 states have internal predecessors, (308), 3 states have call successors, (83), 3 states have call predecessors, (83), 4 states have return successors, (81), 4 states have call predecessors, (81), 3 states have call successors, (81)