./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-mutex_drivers-net-ethernet-icplus-ipg.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b90a8d18-ed52-4b5c-af05-14f8b9cad860/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b90a8d18-ed52-4b5c-af05-14f8b9cad860/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_b90a8d18-ed52-4b5c-af05-14f8b9cad860/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b90a8d18-ed52-4b5c-af05-14f8b9cad860/bin/uautomizer-uyxdKDjOR8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-ethernet-icplus-ipg.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b90a8d18-ed52-4b5c-af05-14f8b9cad860/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_b90a8d18-ed52-4b5c-af05-14f8b9cad860/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 9fae230e52bc983f4c0251cc946bfbc52943e9b9d698b0f694e42af65a9c74e9 --- 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 14:13:55,524 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 14:13:55,526 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 14:13:55,546 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 14:13:55,547 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 14:13:55,548 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 14:13:55,549 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 14:13:55,551 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 14:13:55,552 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 14:13:55,553 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 14:13:55,554 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 14:13:55,555 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 14:13:55,555 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 14:13:55,556 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 14:13:55,558 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 14:13:55,559 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 14:13:55,559 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 14:13:55,560 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 14:13:55,562 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 14:13:55,564 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 14:13:55,565 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 14:13:55,566 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 14:13:55,567 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 14:13:55,568 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 14:13:55,571 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 14:13:55,572 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 14:13:55,572 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 14:13:55,573 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 14:13:55,573 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 14:13:55,574 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 14:13:55,575 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 14:13:55,575 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 14:13:55,576 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 14:13:55,577 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 14:13:55,578 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 14:13:55,578 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 14:13:55,579 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 14:13:55,579 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 14:13:55,579 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 14:13:55,580 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 14:13:55,580 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 14:13:55,581 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b90a8d18-ed52-4b5c-af05-14f8b9cad860/bin/uautomizer-uyxdKDjOR8/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-12-13 14:13:55,602 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 14:13:55,602 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 14:13:55,603 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 14:13:55,603 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 14:13:55,604 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-13 14:13:55,604 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-13 14:13:55,604 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 14:13:55,605 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 14:13:55,605 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 14:13:55,605 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 14:13:55,605 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-13 14:13:55,605 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 14:13:55,606 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-13 14:13:55,606 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-13 14:13:55,606 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-13 14:13:55,606 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 14:13:55,606 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 14:13:55,607 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-13 14:13:55,607 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 14:13:55,607 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 14:13:55,607 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-13 14:13:55,607 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 14:13:55,608 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 14:13:55,608 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-13 14:13:55,608 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-13 14:13:55,608 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-13 14:13:55,608 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-13 14:13:55,608 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-12-13 14:13:55,609 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-13 14:13:55,609 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-12-13 14:13:55,609 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-13 14:13:55,609 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2022-12-13 14:13:55,609 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_b90a8d18-ed52-4b5c-af05-14f8b9cad860/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b90a8d18-ed52-4b5c-af05-14f8b9cad860/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9fae230e52bc983f4c0251cc946bfbc52943e9b9d698b0f694e42af65a9c74e9 [2022-12-13 14:13:55,805 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 14:13:55,826 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 14:13:55,828 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 14:13:55,830 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 14:13:55,830 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 14:13:55,831 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b90a8d18-ed52-4b5c-af05-14f8b9cad860/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-ethernet-icplus-ipg.cil.i [2022-12-13 14:13:58,359 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 14:13:58,763 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 14:13:58,763 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b90a8d18-ed52-4b5c-af05-14f8b9cad860/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-ethernet-icplus-ipg.cil.i [2022-12-13 14:13:58,789 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b90a8d18-ed52-4b5c-af05-14f8b9cad860/bin/uautomizer-uyxdKDjOR8/data/4d81bda9b/e9b42670b97b4f878508a797625ec7cd/FLAG3698c3333 [2022-12-13 14:13:58,917 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b90a8d18-ed52-4b5c-af05-14f8b9cad860/bin/uautomizer-uyxdKDjOR8/data/4d81bda9b/e9b42670b97b4f878508a797625ec7cd [2022-12-13 14:13:58,919 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 14:13:58,920 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 14:13:58,921 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 14:13:58,921 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 14:13:58,925 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 14:13:58,925 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 02:13:58" (1/1) ... [2022-12-13 14:13:58,926 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@45015166 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:13:58, skipping insertion in model container [2022-12-13 14:13:58,926 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 02:13:58" (1/1) ... [2022-12-13 14:13:58,934 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 14:13:59,027 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 14:13:59,528 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock [2022-12-13 14:13:59,533 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irq [2022-12-13 14:13:59,537 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock [2022-12-13 14:13:59,542 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock_irq [2022-12-13 14:13:59,546 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock_irqrestore [2022-12-13 14:13:59,566 WARN L623 FunctionHandler]: Unknown extern function queue_delayed_work_on [2022-12-13 14:13:59,659 WARN L623 FunctionHandler]: Unknown extern function __phys_addr [2022-12-13 14:13:59,663 WARN L623 FunctionHandler]: Unknown extern function __phys_addr [2022-12-13 14:13:59,664 WARN L623 FunctionHandler]: Unknown extern function debug_dma_map_page [2022-12-13 14:13:59,670 WARN L623 FunctionHandler]: Unknown extern function debug_dma_unmap_page [2022-12-13 14:13:59,691 WARN L623 FunctionHandler]: Unknown extern function debug_dma_alloc_coherent [2022-12-13 14:13:59,697 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-12-13 14:13:59,700 WARN L623 FunctionHandler]: Unknown extern function debug_dma_free_coherent [2022-12-13 14:13:59,712 WARN L623 FunctionHandler]: Unknown extern function __netdev_alloc_skb [2022-12-13 14:13:59,756 WARN L623 FunctionHandler]: Unknown extern function netpoll_trap [2022-12-13 14:13:59,757 WARN L623 FunctionHandler]: Unknown extern function __netif_schedule [2022-12-13 14:13:59,765 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-12-13 14:13:59,766 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 14:13:59,789 WARN L623 FunctionHandler]: Unknown extern function __dev_kfree_skb_irq [2022-12-13 14:13:59,855 WARN L623 FunctionHandler]: Unknown extern function dma_set_mask [2022-12-13 14:13:59,877 WARN L623 FunctionHandler]: Unknown extern function request_threaded_irq [2022-12-13 14:13:59,931 WARN L623 FunctionHandler]: Unknown extern function iowrite8 [2022-12-13 14:13:59,931 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 14:13:59,941 WARN L623 FunctionHandler]: Unknown extern function iowrite8 [2022-12-13 14:13:59,945 WARN L623 FunctionHandler]: Unknown extern function ioread8 [2022-12-13 14:13:59,951 WARN L623 FunctionHandler]: Unknown extern function ioread8 [2022-12-13 14:13:59,960 WARN L623 FunctionHandler]: Unknown extern function ioread8 [2022-12-13 14:13:59,962 WARN L623 FunctionHandler]: Unknown extern function ioread8 [2022-12-13 14:13:59,966 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-13 14:13:59,967 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-13 14:13:59,971 WARN L623 FunctionHandler]: Unknown extern function ioread8 [2022-12-13 14:13:59,972 WARN L623 FunctionHandler]: Unknown extern function iowrite8 [2022-12-13 14:13:59,976 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-13 14:13:59,977 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-13 14:13:59,977 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 14:13:59,978 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 14:13:59,978 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 14:13:59,978 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 14:13:59,979 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-13 14:13:59,987 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-13 14:13:59,987 WARN L623 FunctionHandler]: Unknown extern function ioread8 [2022-12-13 14:13:59,988 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-13 14:13:59,991 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-12-13 14:13:59,991 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-12-13 14:13:59,994 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-12-13 14:13:59,994 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-13 14:14:00,000 WARN L623 FunctionHandler]: Unknown extern function crc32_le [2022-12-13 14:14:00,001 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-13 14:14:00,001 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-13 14:14:00,002 WARN L623 FunctionHandler]: Unknown extern function iowrite8 [2022-12-13 14:14:00,006 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-13 14:14:00,007 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-13 14:14:00,007 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-13 14:14:00,008 WARN L623 FunctionHandler]: Unknown extern function iowrite16 [2022-12-13 14:14:00,008 WARN L623 FunctionHandler]: Unknown extern function iowrite8 [2022-12-13 14:14:00,008 WARN L623 FunctionHandler]: Unknown extern function iowrite8 [2022-12-13 14:14:00,009 WARN L623 FunctionHandler]: Unknown extern function iowrite8 [2022-12-13 14:14:00,009 WARN L623 FunctionHandler]: Unknown extern function iowrite8 [2022-12-13 14:14:00,009 WARN L623 FunctionHandler]: Unknown extern function iowrite8 [2022-12-13 14:14:00,010 WARN L623 FunctionHandler]: Unknown extern function iowrite8 [2022-12-13 14:14:00,010 WARN L623 FunctionHandler]: Unknown extern function iowrite16 [2022-12-13 14:14:00,010 WARN L623 FunctionHandler]: Unknown extern function iowrite16 [2022-12-13 14:14:00,010 WARN L623 FunctionHandler]: Unknown extern function iowrite16 [2022-12-13 14:14:00,011 WARN L623 FunctionHandler]: Unknown extern function ioread16 [2022-12-13 14:14:00,011 WARN L623 FunctionHandler]: Unknown extern function iowrite16 [2022-12-13 14:14:00,011 WARN L623 FunctionHandler]: Unknown extern function ioread16 [2022-12-13 14:14:00,012 WARN L623 FunctionHandler]: Unknown extern function iowrite16 [2022-12-13 14:14:00,012 WARN L623 FunctionHandler]: Unknown extern function ioread16 [2022-12-13 14:14:00,013 WARN L623 FunctionHandler]: Unknown extern function iowrite16 [2022-12-13 14:14:00,013 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-13 14:14:00,013 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-13 14:14:00,014 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-13 14:14:00,024 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-13 14:14:00,025 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-13 14:14:00,026 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-13 14:14:00,032 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-13 14:14:00,032 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-13 14:14:00,042 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-12-13 14:14:00,043 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-13 14:14:00,043 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-13 14:14:00,047 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-13 14:14:00,048 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-13 14:14:00,049 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-13 14:14:00,049 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-13 14:14:00,049 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-13 14:14:00,050 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-12-13 14:14:00,051 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-13 14:14:00,051 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-13 14:14:00,056 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-13 14:14:00,056 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-13 14:14:00,057 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-13 14:14:00,057 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-13 14:14:00,058 WARN L623 FunctionHandler]: Unknown extern function ioread16 [2022-12-13 14:14:00,059 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-13 14:14:00,059 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-13 14:14:00,059 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-13 14:14:00,060 WARN L623 FunctionHandler]: Unknown extern function ioread16 [2022-12-13 14:14:00,060 WARN L623 FunctionHandler]: Unknown extern function ioread16 [2022-12-13 14:14:00,061 WARN L623 FunctionHandler]: Unknown extern function ioread16 [2022-12-13 14:14:00,061 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-13 14:14:00,062 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-13 14:14:00,062 WARN L623 FunctionHandler]: Unknown extern function ioread16 [2022-12-13 14:14:00,063 WARN L623 FunctionHandler]: Unknown extern function ioread16 [2022-12-13 14:14:00,063 WARN L623 FunctionHandler]: Unknown extern function ioread16 [2022-12-13 14:14:00,064 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-13 14:14:00,087 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-12-13 14:14:00,088 WARN L623 FunctionHandler]: Unknown extern function eth_type_trans [2022-12-13 14:14:00,088 WARN L623 FunctionHandler]: Unknown extern function netif_rx [2022-12-13 14:14:00,092 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-12-13 14:14:00,097 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-12-13 14:14:00,098 WARN L623 FunctionHandler]: Unknown extern function eth_type_trans [2022-12-13 14:14:00,098 WARN L623 FunctionHandler]: Unknown extern function netif_rx [2022-12-13 14:14:00,103 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-12-13 14:14:00,109 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-13 14:14:00,109 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-13 14:14:00,115 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-12-13 14:14:00,115 WARN L623 FunctionHandler]: Unknown extern function eth_type_trans [2022-12-13 14:14:00,116 WARN L623 FunctionHandler]: Unknown extern function netif_rx [2022-12-13 14:14:00,116 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-13 14:14:00,116 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-13 14:14:00,122 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-12-13 14:14:00,126 WARN L623 FunctionHandler]: Unknown extern function ioread16 [2022-12-13 14:14:00,128 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-12-13 14:14:00,128 WARN L623 FunctionHandler]: Unknown extern function iowrite16 [2022-12-13 14:14:00,141 WARN L623 FunctionHandler]: Unknown extern function iowrite16 [2022-12-13 14:14:00,141 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-12-13 14:14:00,143 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-12-13 14:14:00,143 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-12-13 14:14:00,143 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-12-13 14:14:00,144 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-13 14:14:00,144 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-13 14:14:00,149 WARN L623 FunctionHandler]: Unknown extern function ioread16 [2022-12-13 14:14:00,149 WARN L623 FunctionHandler]: Unknown extern function synchronize_irq [2022-12-13 14:14:00,149 WARN L623 FunctionHandler]: Unknown extern function ioread16 [2022-12-13 14:14:00,155 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-12-13 14:14:00,155 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-13 14:14:00,164 WARN L623 FunctionHandler]: Unknown extern function iowrite16 [2022-12-13 14:14:00,165 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 14:14:00,165 WARN L623 FunctionHandler]: Unknown extern function ioread16 [2022-12-13 14:14:00,165 WARN L623 FunctionHandler]: Unknown extern function ioread16 [2022-12-13 14:14:00,174 WARN L623 FunctionHandler]: Unknown extern function iowrite16 [2022-12-13 14:14:00,175 WARN L623 FunctionHandler]: Unknown extern function ioread16 [2022-12-13 14:14:00,175 WARN L623 FunctionHandler]: Unknown extern function ioread16 [2022-12-13 14:14:00,175 WARN L623 FunctionHandler]: Unknown extern function ioread16 [2022-12-13 14:14:00,176 WARN L623 FunctionHandler]: Unknown extern function ioread16 [2022-12-13 14:14:00,176 WARN L623 FunctionHandler]: Unknown extern function ioread16 [2022-12-13 14:14:00,176 WARN L623 FunctionHandler]: Unknown extern function ioread16 [2022-12-13 14:14:00,180 WARN L623 FunctionHandler]: Unknown extern function generic_mii_ioctl [2022-12-13 14:14:00,188 WARN L623 FunctionHandler]: Unknown extern function mii_ethtool_gset [2022-12-13 14:14:00,192 WARN L623 FunctionHandler]: Unknown extern function mii_ethtool_sset [2022-12-13 14:14:00,195 WARN L623 FunctionHandler]: Unknown extern function mii_nway_restart [2022-12-13 14:14:00,199 WARN L623 FunctionHandler]: Unknown extern function pci_iounmap [2022-12-13 14:14:00,199 WARN L623 FunctionHandler]: Unknown extern function pci_release_regions [2022-12-13 14:14:00,200 WARN L623 FunctionHandler]: Unknown extern function pci_disable_device [2022-12-13 14:14:00,204 WARN L623 FunctionHandler]: Unknown extern function pci_enable_device [2022-12-13 14:14:00,204 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 14:14:00,204 WARN L623 FunctionHandler]: Unknown extern function pci_set_master [2022-12-13 14:14:00,205 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 14:14:00,205 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-12-13 14:14:00,206 WARN L623 FunctionHandler]: Unknown extern function __mutex_init [2022-12-13 14:14:00,206 WARN L623 FunctionHandler]: Unknown extern function pci_request_regions [2022-12-13 14:14:00,207 WARN L623 FunctionHandler]: Unknown extern function pci_iomap [2022-12-13 14:14:00,208 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 14:14:00,208 WARN L623 FunctionHandler]: Unknown extern function __init_work [2022-12-13 14:14:00,208 WARN L623 FunctionHandler]: Unknown extern function lockdep_init_map [2022-12-13 14:14:00,209 WARN L623 FunctionHandler]: Unknown extern function init_timer_key [2022-12-13 14:14:00,209 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-12-13 14:14:00,210 WARN L623 FunctionHandler]: Unknown extern function pci_iounmap [2022-12-13 14:14:00,210 WARN L623 FunctionHandler]: Unknown extern function pci_release_regions [2022-12-13 14:14:00,210 WARN L623 FunctionHandler]: Unknown extern function pci_disable_device [2022-12-13 14:14:00,412 WARN L623 FunctionHandler]: Unknown extern function eth_mac_addr [2022-12-13 14:14:00,412 WARN L623 FunctionHandler]: Unknown extern function eth_validate_addr [2022-12-13 14:14:00,416 WARN L623 FunctionHandler]: Unknown extern function ldv_switch_to_interrupt_context [2022-12-13 14:14:00,417 WARN L623 FunctionHandler]: Unknown extern function ldv_switch_to_process_context [2022-12-13 14:14:00,422 WARN L623 FunctionHandler]: Unknown extern function ldv_pre_probe [2022-12-13 14:14:00,423 WARN L623 FunctionHandler]: Unknown extern function ldv_pre_register_netdev [2022-12-13 14:14:00,428 WARN L623 FunctionHandler]: Unknown extern function ldv_switch_to_interrupt_context [2022-12-13 14:14:00,428 WARN L623 FunctionHandler]: Unknown extern function ldv_switch_to_process_context [2022-12-13 14:14:00,429 WARN L623 FunctionHandler]: Unknown extern function free_irq [2022-12-13 14:14:00,430 WARN L623 FunctionHandler]: Unknown extern function free_irq [2022-12-13 14:14:00,431 WARN L623 FunctionHandler]: Unknown extern function unregister_netdev [2022-12-13 14:14:00,431 WARN L623 FunctionHandler]: Unknown extern function free_netdev [2022-12-13 14:14:00,431 WARN L623 FunctionHandler]: Unknown extern function alloc_etherdev_mqs [2022-12-13 14:14:00,431 WARN L623 FunctionHandler]: Unknown extern function register_netdev [2022-12-13 14:14:00,432 WARN L623 FunctionHandler]: Unknown extern function free_netdev [2022-12-13 14:14:00,432 WARN L623 FunctionHandler]: Unknown extern function __pci_register_driver [2022-12-13 14:14:00,432 WARN L623 FunctionHandler]: Unknown extern function pci_unregister_driver [2022-12-13 14:14:00,468 WARN L623 FunctionHandler]: Unknown extern function ldv_check_alloc_flags [2022-12-13 14:14:00,468 WARN L623 FunctionHandler]: Unknown extern function ldv_after_alloc [2022-12-13 14:14:00,474 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-13 14:14:00,619 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_b90a8d18-ed52-4b5c-af05-14f8b9cad860/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-ethernet-icplus-ipg.cil.i[292221,292234] [2022-12-13 14:14:00,622 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_b90a8d18-ed52-4b5c-af05-14f8b9cad860/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-ethernet-icplus-ipg.cil.i[292387,292400] [2022-12-13 14:14:00,623 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_b90a8d18-ed52-4b5c-af05-14f8b9cad860/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-ethernet-icplus-ipg.cil.i[292551,292564] [2022-12-13 14:14:00,624 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_b90a8d18-ed52-4b5c-af05-14f8b9cad860/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-ethernet-icplus-ipg.cil.i[292716,292729] [2022-12-13 14:14:00,648 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 14:14:00,673 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 14:14:00,750 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock [2022-12-13 14:14:00,750 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irq [2022-12-13 14:14:00,751 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock [2022-12-13 14:14:00,751 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock_irq [2022-12-13 14:14:00,751 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock_irqrestore [2022-12-13 14:14:00,752 WARN L623 FunctionHandler]: Unknown extern function queue_delayed_work_on [2022-12-13 14:14:00,757 WARN L623 FunctionHandler]: Unknown extern function __phys_addr [2022-12-13 14:14:00,758 WARN L623 FunctionHandler]: Unknown extern function __phys_addr [2022-12-13 14:14:00,758 WARN L623 FunctionHandler]: Unknown extern function debug_dma_map_page [2022-12-13 14:14:00,760 WARN L623 FunctionHandler]: Unknown extern function debug_dma_unmap_page [2022-12-13 14:14:00,762 WARN L623 FunctionHandler]: Unknown extern function debug_dma_alloc_coherent [2022-12-13 14:14:00,763 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-12-13 14:14:00,763 WARN L623 FunctionHandler]: Unknown extern function debug_dma_free_coherent [2022-12-13 14:14:00,764 WARN L623 FunctionHandler]: Unknown extern function __netdev_alloc_skb [2022-12-13 14:14:00,765 WARN L623 FunctionHandler]: Unknown extern function netpoll_trap [2022-12-13 14:14:00,765 WARN L623 FunctionHandler]: Unknown extern function __netif_schedule [2022-12-13 14:14:00,766 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-12-13 14:14:00,766 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 14:14:00,767 WARN L623 FunctionHandler]: Unknown extern function __dev_kfree_skb_irq [2022-12-13 14:14:00,769 WARN L623 FunctionHandler]: Unknown extern function dma_set_mask [2022-12-13 14:14:00,770 WARN L623 FunctionHandler]: Unknown extern function request_threaded_irq [2022-12-13 14:14:00,772 WARN L623 FunctionHandler]: Unknown extern function iowrite8 [2022-12-13 14:14:00,772 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 14:14:00,773 WARN L623 FunctionHandler]: Unknown extern function iowrite8 [2022-12-13 14:14:00,773 WARN L623 FunctionHandler]: Unknown extern function ioread8 [2022-12-13 14:14:00,776 WARN L623 FunctionHandler]: Unknown extern function ioread8 [2022-12-13 14:14:00,780 WARN L623 FunctionHandler]: Unknown extern function ioread8 [2022-12-13 14:14:00,781 WARN L623 FunctionHandler]: Unknown extern function ioread8 [2022-12-13 14:14:00,782 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-13 14:14:00,782 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-13 14:14:00,783 WARN L623 FunctionHandler]: Unknown extern function ioread8 [2022-12-13 14:14:00,783 WARN L623 FunctionHandler]: Unknown extern function iowrite8 [2022-12-13 14:14:00,784 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-13 14:14:00,784 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-13 14:14:00,784 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 14:14:00,785 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 14:14:00,785 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 14:14:00,785 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 14:14:00,785 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-13 14:14:00,787 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-13 14:14:00,788 WARN L623 FunctionHandler]: Unknown extern function ioread8 [2022-12-13 14:14:00,788 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-13 14:14:00,789 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-12-13 14:14:00,790 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-12-13 14:14:00,792 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-12-13 14:14:00,792 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-13 14:14:00,794 WARN L623 FunctionHandler]: Unknown extern function crc32_le [2022-12-13 14:14:00,795 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-13 14:14:00,796 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-13 14:14:00,796 WARN L623 FunctionHandler]: Unknown extern function iowrite8 [2022-12-13 14:14:00,797 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-13 14:14:00,797 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-13 14:14:00,798 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-13 14:14:00,798 WARN L623 FunctionHandler]: Unknown extern function iowrite16 [2022-12-13 14:14:00,798 WARN L623 FunctionHandler]: Unknown extern function iowrite8 [2022-12-13 14:14:00,798 WARN L623 FunctionHandler]: Unknown extern function iowrite8 [2022-12-13 14:14:00,799 WARN L623 FunctionHandler]: Unknown extern function iowrite8 [2022-12-13 14:14:00,799 WARN L623 FunctionHandler]: Unknown extern function iowrite8 [2022-12-13 14:14:00,799 WARN L623 FunctionHandler]: Unknown extern function iowrite8 [2022-12-13 14:14:00,799 WARN L623 FunctionHandler]: Unknown extern function iowrite8 [2022-12-13 14:14:00,799 WARN L623 FunctionHandler]: Unknown extern function iowrite16 [2022-12-13 14:14:00,800 WARN L623 FunctionHandler]: Unknown extern function iowrite16 [2022-12-13 14:14:00,800 WARN L623 FunctionHandler]: Unknown extern function iowrite16 [2022-12-13 14:14:00,800 WARN L623 FunctionHandler]: Unknown extern function ioread16 [2022-12-13 14:14:00,800 WARN L623 FunctionHandler]: Unknown extern function iowrite16 [2022-12-13 14:14:00,801 WARN L623 FunctionHandler]: Unknown extern function ioread16 [2022-12-13 14:14:00,801 WARN L623 FunctionHandler]: Unknown extern function iowrite16 [2022-12-13 14:14:00,802 WARN L623 FunctionHandler]: Unknown extern function ioread16 [2022-12-13 14:14:00,802 WARN L623 FunctionHandler]: Unknown extern function iowrite16 [2022-12-13 14:14:00,802 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-13 14:14:00,803 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-13 14:14:00,803 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-13 14:14:00,806 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-13 14:14:00,807 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-13 14:14:00,808 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-13 14:14:00,810 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-13 14:14:00,810 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-13 14:14:00,813 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-12-13 14:14:00,814 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-13 14:14:00,814 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-13 14:14:00,815 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-13 14:14:00,815 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-13 14:14:00,816 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-13 14:14:00,816 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-13 14:14:00,816 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-13 14:14:00,817 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-12-13 14:14:00,817 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-13 14:14:00,818 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-13 14:14:00,819 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-13 14:14:00,819 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-13 14:14:00,820 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-13 14:14:00,820 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-13 14:14:00,821 WARN L623 FunctionHandler]: Unknown extern function ioread16 [2022-12-13 14:14:00,821 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-13 14:14:00,821 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-13 14:14:00,822 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-13 14:14:00,822 WARN L623 FunctionHandler]: Unknown extern function ioread16 [2022-12-13 14:14:00,822 WARN L623 FunctionHandler]: Unknown extern function ioread16 [2022-12-13 14:14:00,823 WARN L623 FunctionHandler]: Unknown extern function ioread16 [2022-12-13 14:14:00,823 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-13 14:14:00,824 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-13 14:14:00,824 WARN L623 FunctionHandler]: Unknown extern function ioread16 [2022-12-13 14:14:00,824 WARN L623 FunctionHandler]: Unknown extern function ioread16 [2022-12-13 14:14:00,824 WARN L623 FunctionHandler]: Unknown extern function ioread16 [2022-12-13 14:14:00,825 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-13 14:14:00,829 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-12-13 14:14:00,830 WARN L623 FunctionHandler]: Unknown extern function eth_type_trans [2022-12-13 14:14:00,830 WARN L623 FunctionHandler]: Unknown extern function netif_rx [2022-12-13 14:14:00,831 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-12-13 14:14:00,832 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-12-13 14:14:00,832 WARN L623 FunctionHandler]: Unknown extern function eth_type_trans [2022-12-13 14:14:00,833 WARN L623 FunctionHandler]: Unknown extern function netif_rx [2022-12-13 14:14:00,834 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-12-13 14:14:00,835 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-13 14:14:00,835 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-13 14:14:00,837 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-12-13 14:14:00,837 WARN L623 FunctionHandler]: Unknown extern function eth_type_trans [2022-12-13 14:14:00,838 WARN L623 FunctionHandler]: Unknown extern function netif_rx [2022-12-13 14:14:00,838 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-13 14:14:00,838 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-13 14:14:00,840 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-12-13 14:14:00,840 WARN L623 FunctionHandler]: Unknown extern function ioread16 [2022-12-13 14:14:00,842 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-12-13 14:14:00,842 WARN L623 FunctionHandler]: Unknown extern function iowrite16 [2022-12-13 14:14:00,844 WARN L623 FunctionHandler]: Unknown extern function iowrite16 [2022-12-13 14:14:00,844 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-12-13 14:14:00,845 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-12-13 14:14:00,846 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-12-13 14:14:00,846 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-12-13 14:14:00,847 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-13 14:14:00,847 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-13 14:14:00,848 WARN L623 FunctionHandler]: Unknown extern function ioread16 [2022-12-13 14:14:00,849 WARN L623 FunctionHandler]: Unknown extern function synchronize_irq [2022-12-13 14:14:00,849 WARN L623 FunctionHandler]: Unknown extern function ioread16 [2022-12-13 14:14:00,851 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-12-13 14:14:00,851 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-13 14:14:00,853 WARN L623 FunctionHandler]: Unknown extern function iowrite16 [2022-12-13 14:14:00,854 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 14:14:00,854 WARN L623 FunctionHandler]: Unknown extern function ioread16 [2022-12-13 14:14:00,854 WARN L623 FunctionHandler]: Unknown extern function ioread16 [2022-12-13 14:14:00,858 WARN L623 FunctionHandler]: Unknown extern function iowrite16 [2022-12-13 14:14:00,859 WARN L623 FunctionHandler]: Unknown extern function ioread16 [2022-12-13 14:14:00,859 WARN L623 FunctionHandler]: Unknown extern function ioread16 [2022-12-13 14:14:00,859 WARN L623 FunctionHandler]: Unknown extern function ioread16 [2022-12-13 14:14:00,860 WARN L623 FunctionHandler]: Unknown extern function ioread16 [2022-12-13 14:14:00,860 WARN L623 FunctionHandler]: Unknown extern function ioread16 [2022-12-13 14:14:00,861 WARN L623 FunctionHandler]: Unknown extern function ioread16 [2022-12-13 14:14:00,862 WARN L623 FunctionHandler]: Unknown extern function generic_mii_ioctl [2022-12-13 14:14:00,864 WARN L623 FunctionHandler]: Unknown extern function mii_ethtool_gset [2022-12-13 14:14:00,864 WARN L623 FunctionHandler]: Unknown extern function mii_ethtool_sset [2022-12-13 14:14:00,879 WARN L623 FunctionHandler]: Unknown extern function mii_nway_restart [2022-12-13 14:14:00,880 WARN L623 FunctionHandler]: Unknown extern function pci_iounmap [2022-12-13 14:14:00,880 WARN L623 FunctionHandler]: Unknown extern function pci_release_regions [2022-12-13 14:14:00,880 WARN L623 FunctionHandler]: Unknown extern function pci_disable_device [2022-12-13 14:14:00,881 WARN L623 FunctionHandler]: Unknown extern function pci_enable_device [2022-12-13 14:14:00,881 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 14:14:00,881 WARN L623 FunctionHandler]: Unknown extern function pci_set_master [2022-12-13 14:14:00,882 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 14:14:00,882 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-12-13 14:14:00,882 WARN L623 FunctionHandler]: Unknown extern function __mutex_init [2022-12-13 14:14:00,884 WARN L623 FunctionHandler]: Unknown extern function pci_request_regions [2022-12-13 14:14:00,884 WARN L623 FunctionHandler]: Unknown extern function pci_iomap [2022-12-13 14:14:00,885 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 14:14:00,885 WARN L623 FunctionHandler]: Unknown extern function __init_work [2022-12-13 14:14:00,885 WARN L623 FunctionHandler]: Unknown extern function lockdep_init_map [2022-12-13 14:14:00,886 WARN L623 FunctionHandler]: Unknown extern function init_timer_key [2022-12-13 14:14:00,886 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-12-13 14:14:00,887 WARN L623 FunctionHandler]: Unknown extern function pci_iounmap [2022-12-13 14:14:00,887 WARN L623 FunctionHandler]: Unknown extern function pci_release_regions [2022-12-13 14:14:00,887 WARN L623 FunctionHandler]: Unknown extern function pci_disable_device [2022-12-13 14:14:00,895 WARN L623 FunctionHandler]: Unknown extern function eth_mac_addr [2022-12-13 14:14:00,896 WARN L623 FunctionHandler]: Unknown extern function eth_validate_addr [2022-12-13 14:14:00,901 WARN L623 FunctionHandler]: Unknown extern function ldv_switch_to_interrupt_context [2022-12-13 14:14:00,901 WARN L623 FunctionHandler]: Unknown extern function ldv_switch_to_process_context [2022-12-13 14:14:00,910 WARN L623 FunctionHandler]: Unknown extern function ldv_pre_probe [2022-12-13 14:14:00,911 WARN L623 FunctionHandler]: Unknown extern function ldv_pre_register_netdev [2022-12-13 14:14:00,919 WARN L623 FunctionHandler]: Unknown extern function ldv_switch_to_interrupt_context [2022-12-13 14:14:00,920 WARN L623 FunctionHandler]: Unknown extern function ldv_switch_to_process_context [2022-12-13 14:14:00,924 WARN L623 FunctionHandler]: Unknown extern function free_irq [2022-12-13 14:14:00,925 WARN L623 FunctionHandler]: Unknown extern function free_irq [2022-12-13 14:14:00,925 WARN L623 FunctionHandler]: Unknown extern function unregister_netdev [2022-12-13 14:14:00,926 WARN L623 FunctionHandler]: Unknown extern function free_netdev [2022-12-13 14:14:00,926 WARN L623 FunctionHandler]: Unknown extern function alloc_etherdev_mqs [2022-12-13 14:14:00,926 WARN L623 FunctionHandler]: Unknown extern function register_netdev [2022-12-13 14:14:00,927 WARN L623 FunctionHandler]: Unknown extern function free_netdev [2022-12-13 14:14:00,927 WARN L623 FunctionHandler]: Unknown extern function __pci_register_driver [2022-12-13 14:14:00,927 WARN L623 FunctionHandler]: Unknown extern function pci_unregister_driver [2022-12-13 14:14:00,930 WARN L623 FunctionHandler]: Unknown extern function ldv_check_alloc_flags [2022-12-13 14:14:00,930 WARN L623 FunctionHandler]: Unknown extern function ldv_after_alloc [2022-12-13 14:14:00,930 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-13 14:14:00,942 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_b90a8d18-ed52-4b5c-af05-14f8b9cad860/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-ethernet-icplus-ipg.cil.i[292221,292234] [2022-12-13 14:14:00,942 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_b90a8d18-ed52-4b5c-af05-14f8b9cad860/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-ethernet-icplus-ipg.cil.i[292387,292400] [2022-12-13 14:14:00,943 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_b90a8d18-ed52-4b5c-af05-14f8b9cad860/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-ethernet-icplus-ipg.cil.i[292551,292564] [2022-12-13 14:14:00,943 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_b90a8d18-ed52-4b5c-af05-14f8b9cad860/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-ethernet-icplus-ipg.cil.i[292716,292729] [2022-12-13 14:14:00,950 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 14:14:01,038 INFO L208 MainTranslator]: Completed translation [2022-12-13 14:14:01,039 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:14:01 WrapperNode [2022-12-13 14:14:01,039 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 14:14:01,040 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 14:14:01,040 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 14:14:01,040 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 14:14:01,046 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:14:01" (1/1) ... [2022-12-13 14:14:01,109 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:14:01" (1/1) ... [2022-12-13 14:14:01,237 INFO L138 Inliner]: procedures = 357, calls = 1567, calls flagged for inlining = 197, calls inlined = 186, statements flattened = 4220 [2022-12-13 14:14:01,237 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 14:14:01,238 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 14:14:01,238 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 14:14:01,238 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 14:14:01,245 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:14:01" (1/1) ... [2022-12-13 14:14:01,245 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:14:01" (1/1) ... [2022-12-13 14:14:01,268 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:14:01" (1/1) ... [2022-12-13 14:14:01,268 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:14:01" (1/1) ... [2022-12-13 14:14:01,338 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:14:01" (1/1) ... [2022-12-13 14:14:01,350 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:14:01" (1/1) ... [2022-12-13 14:14:01,371 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:14:01" (1/1) ... [2022-12-13 14:14:01,381 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:14:01" (1/1) ... [2022-12-13 14:14:01,407 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 14:14:01,408 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 14:14:01,408 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 14:14:01,408 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 14:14:01,409 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:14:01" (1/1) ... [2022-12-13 14:14:01,415 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 14:14:01,422 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b90a8d18-ed52-4b5c-af05-14f8b9cad860/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 14:14:01,434 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b90a8d18-ed52-4b5c-af05-14f8b9cad860/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-13 14:14:01,436 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b90a8d18-ed52-4b5c-af05-14f8b9cad860/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-13 14:14:01,468 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_nic_txfree [2022-12-13 14:14:01,468 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_nic_txfree [2022-12-13 14:14:01,468 INFO L130 BoogieDeclarations]: Found specification of procedure mdio_write [2022-12-13 14:14:01,468 INFO L138 BoogieDeclarations]: Found implementation of procedure mdio_write [2022-12-13 14:14:01,468 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-12-13 14:14:01,468 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-12-13 14:14:01,469 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-12-13 14:14:01,469 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-12-13 14:14:01,469 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2022-12-13 14:14:01,469 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2022-12-13 14:14:01,469 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_tx_timeout [2022-12-13 14:14:01,469 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_tx_timeout [2022-12-13 14:14:01,469 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-12-13 14:14:01,469 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-12-13 14:14:01,469 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2022-12-13 14:14:01,469 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2022-12-13 14:14:01,469 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-12-13 14:14:01,469 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-12-13 14:14:01,469 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_mii_mutex_of_ipg_nic_private [2022-12-13 14:14:01,470 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_mii_mutex_of_ipg_nic_private [2022-12-13 14:14:01,470 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2022-12-13 14:14:01,470 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2022-12-13 14:14:01,470 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2022-12-13 14:14:01,470 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2022-12-13 14:14:01,470 INFO L130 BoogieDeclarations]: Found specification of procedure init_tfdlist [2022-12-13 14:14:01,470 INFO L138 BoogieDeclarations]: Found implementation of procedure init_tfdlist [2022-12-13 14:14:01,470 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2022-12-13 14:14:01,470 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2022-12-13 14:14:01,470 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-12-13 14:14:01,470 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-12-13 14:14:01,470 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite16 [2022-12-13 14:14:01,470 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite16 [2022-12-13 14:14:01,471 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_nic_set_multicast_list [2022-12-13 14:14:01,471 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_nic_set_multicast_list [2022-12-13 14:14:01,471 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite8 [2022-12-13 14:14:01,471 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite8 [2022-12-13 14:14:01,471 INFO L130 BoogieDeclarations]: Found specification of procedure ioread32 [2022-12-13 14:14:01,471 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread32 [2022-12-13 14:14:01,471 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2022-12-13 14:14:01,471 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2022-12-13 14:14:01,471 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2022-12-13 14:14:01,471 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2022-12-13 14:14:01,471 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-12-13 14:14:01,471 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-12-13 14:14:01,472 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_tx_clear [2022-12-13 14:14:01,472 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_tx_clear [2022-12-13 14:14:01,472 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_rx_clear [2022-12-13 14:14:01,472 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_rx_clear [2022-12-13 14:14:01,472 INFO L130 BoogieDeclarations]: Found specification of procedure read_eeprom [2022-12-13 14:14:01,472 INFO L138 BoogieDeclarations]: Found implementation of procedure read_eeprom [2022-12-13 14:14:01,472 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-13 14:14:01,472 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2022-12-13 14:14:01,472 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2022-12-13 14:14:01,472 INFO L130 BoogieDeclarations]: Found specification of procedure skb_checksum_none_assert [2022-12-13 14:14:01,472 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_checksum_none_assert [2022-12-13 14:14:01,472 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-12-13 14:14:01,472 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-12-13 14:14:01,473 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-12-13 14:14:01,473 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite32 [2022-12-13 14:14:01,473 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite32 [2022-12-13 14:14:01,473 INFO L130 BoogieDeclarations]: Found specification of procedure netif_rx [2022-12-13 14:14:01,473 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_rx [2022-12-13 14:14:01,473 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2022-12-13 14:14:01,473 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2022-12-13 14:14:01,473 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-12-13 14:14:01,473 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-12-13 14:14:01,473 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exit [2022-12-13 14:14:01,473 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exit [2022-12-13 14:14:01,473 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_nic_rx_free_skb [2022-12-13 14:14:01,473 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_nic_rx_free_skb [2022-12-13 14:14:01,473 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2022-12-13 14:14:01,474 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2022-12-13 14:14:01,474 INFO L130 BoogieDeclarations]: Found specification of procedure send_three_state [2022-12-13 14:14:01,474 INFO L138 BoogieDeclarations]: Found implementation of procedure send_three_state [2022-12-13 14:14:01,474 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-13 14:14:01,474 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-12-13 14:14:01,474 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2022-12-13 14:14:01,474 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2022-12-13 14:14:01,474 INFO L130 BoogieDeclarations]: Found specification of procedure read_phy_bit [2022-12-13 14:14:01,474 INFO L138 BoogieDeclarations]: Found implementation of procedure read_phy_bit [2022-12-13 14:14:01,474 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-12-13 14:14:01,474 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-12-13 14:14:01,474 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_remove [2022-12-13 14:14:01,474 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_remove [2022-12-13 14:14:01,474 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-12-13 14:14:01,475 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-12-13 14:14:01,475 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-12-13 14:14:01,475 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-12-13 14:14:01,475 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq [2022-12-13 14:14:01,475 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq [2022-12-13 14:14:01,475 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-12-13 14:14:01,475 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_irq [2022-12-13 14:14:01,475 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_irq [2022-12-13 14:14:01,475 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-12-13 14:14:01,475 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-12-13 14:14:01,475 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_io_config [2022-12-13 14:14:01,475 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_io_config [2022-12-13 14:14:01,475 INFO L130 BoogieDeclarations]: Found specification of procedure init_rfdlist [2022-12-13 14:14:01,476 INFO L138 BoogieDeclarations]: Found implementation of procedure init_rfdlist [2022-12-13 14:14:01,476 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_nic_open [2022-12-13 14:14:01,476 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_nic_open [2022-12-13 14:14:01,476 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-12-13 14:14:01,476 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-12-13 14:14:01,476 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-12-13 14:14:01,476 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2022-12-13 14:14:01,476 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2022-12-13 14:14:01,476 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-13 14:14:01,476 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock [2022-12-13 14:14:01,476 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock [2022-12-13 14:14:01,476 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2022-12-13 14:14:01,476 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2022-12-13 14:14:01,476 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-12-13 14:14:01,477 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-12-13 14:14:01,477 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2022-12-13 14:14:01,477 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2022-12-13 14:14:01,477 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-12-13 14:14:01,477 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-12-13 14:14:01,477 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2022-12-13 14:14:01,477 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2022-12-13 14:14:01,477 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2022-12-13 14:14:01,477 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2022-12-13 14:14:01,477 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-12-13 14:14:01,477 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-12-13 14:14:01,477 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2022-12-13 14:14:01,477 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2022-12-13 14:14:01,478 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_dma_mask [2022-12-13 14:14:01,478 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_dma_mask [2022-12-13 14:14:01,478 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlock [2022-12-13 14:14:01,478 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlock [2022-12-13 14:14:01,478 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2022-12-13 14:14:01,478 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2022-12-13 14:14:01,478 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-13 14:14:01,478 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2022-12-13 14:14:01,478 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2022-12-13 14:14:01,478 INFO L130 BoogieDeclarations]: Found specification of procedure eth_type_trans [2022-12-13 14:14:01,478 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_type_trans [2022-12-13 14:14:01,478 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-12-13 14:14:01,478 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-12-13 14:14:01,479 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_nic_get_stats [2022-12-13 14:14:01,479 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_nic_get_stats [2022-12-13 14:14:01,479 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_nway_reset [2022-12-13 14:14:01,479 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_nway_reset [2022-12-13 14:14:01,479 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_mii_mutex_of_ipg_nic_private [2022-12-13 14:14:01,479 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_mii_mutex_of_ipg_nic_private [2022-12-13 14:14:01,479 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_nic_rxrestore [2022-12-13 14:14:01,479 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_nic_rxrestore [2022-12-13 14:14:01,479 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-12-13 14:14:01,479 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_nic_stop [2022-12-13 14:14:01,479 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_nic_stop [2022-12-13 14:14:01,479 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2022-12-13 14:14:01,479 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2022-12-13 14:14:01,480 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2022-12-13 14:14:01,480 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2022-12-13 14:14:01,480 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_config_autoneg [2022-12-13 14:14:01,480 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_config_autoneg [2022-12-13 14:14:01,480 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-13 14:14:01,480 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-12-13 14:14:01,480 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-12-13 14:14:01,480 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-12-13 14:14:01,480 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-12-13 14:14:01,480 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-12-13 14:14:01,480 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_ipg_pci_driver_exit_13_2 [2022-12-13 14:14:01,480 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_ipg_pci_driver_exit_13_2 [2022-12-13 14:14:01,480 INFO L130 BoogieDeclarations]: Found specification of procedure ioread16 [2022-12-13 14:14:01,480 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread16 [2022-12-13 14:14:01,481 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-12-13 14:14:01,481 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-12-13 14:14:01,481 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_ioaddr [2022-12-13 14:14:01,481 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_ioaddr [2022-12-13 14:14:01,481 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2022-12-13 14:14:01,481 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2022-12-13 14:14:01,481 INFO L130 BoogieDeclarations]: Found specification of procedure ioread8 [2022-12-13 14:14:01,481 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread8 [2022-12-13 14:14:01,481 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-12-13 14:14:01,481 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-12-13 14:14:01,481 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_reset [2022-12-13 14:14:01,481 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_reset [2022-12-13 14:14:01,481 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iounmap [2022-12-13 14:14:01,481 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iounmap [2022-12-13 14:14:01,482 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-12-13 14:14:01,482 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-12-13 14:14:01,482 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2022-12-13 14:14:01,482 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2022-12-13 14:14:01,482 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2022-12-13 14:14:01,482 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2022-12-13 14:14:01,482 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_get_rxbuff [2022-12-13 14:14:01,482 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_get_rxbuff [2022-12-13 14:14:01,482 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_write_phy_ctl [2022-12-13 14:14:01,482 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_write_phy_ctl [2022-12-13 14:14:01,482 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_attrs [2022-12-13 14:14:01,482 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_attrs [2022-12-13 14:14:01,482 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_delayed_work [2022-12-13 14:14:01,482 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_delayed_work [2022-12-13 14:14:01,483 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-12-13 14:14:01,483 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-12-13 14:14:01,483 INFO L130 BoogieDeclarations]: Found specification of procedure delayed_work_timer_fn [2022-12-13 14:14:01,483 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-13 14:14:01,483 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_nic_rx_check_error [2022-12-13 14:14:01,483 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_nic_rx_check_error [2022-12-13 14:14:01,483 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-12-13 14:14:01,483 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-12-13 14:14:01,483 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_drive_phy_ctl_low_high [2022-12-13 14:14:01,483 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_drive_phy_ctl_low_high [2022-12-13 14:14:01,483 INFO L130 BoogieDeclarations]: Found specification of procedure mdio_read [2022-12-13 14:14:01,483 INFO L138 BoogieDeclarations]: Found implementation of procedure mdio_read [2022-12-13 14:14:01,483 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 14:14:01,483 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 14:14:01,971 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 14:14:01,973 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 14:14:02,925 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-12-13 14:14:05,543 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2022-12-13 14:14:05,597 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 14:14:05,609 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 14:14:05,609 INFO L300 CfgBuilder]: Removed 3 assume(true) statements. [2022-12-13 14:14:05,612 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 02:14:05 BoogieIcfgContainer [2022-12-13 14:14:05,612 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 14:14:05,613 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-13 14:14:05,613 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-13 14:14:05,616 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-13 14:14:05,616 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.12 02:13:58" (1/3) ... [2022-12-13 14:14:05,616 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@581781d2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 02:14:05, skipping insertion in model container [2022-12-13 14:14:05,616 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:14:01" (2/3) ... [2022-12-13 14:14:05,616 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@581781d2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 02:14:05, skipping insertion in model container [2022-12-13 14:14:05,617 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 02:14:05" (3/3) ... [2022-12-13 14:14:05,617 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-ethernet-icplus-ipg.cil.i [2022-12-13 14:14:05,632 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-13 14:14:05,632 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2022-12-13 14:14:05,703 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-13 14:14:05,708 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;@66becb3e, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-12-13 14:14:05,709 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2022-12-13 14:14:05,718 INFO L276 IsEmpty]: Start isEmpty. Operand has 1697 states, 1159 states have (on average 1.271786022433132) internal successors, (1474), 1194 states have internal predecessors, (1474), 443 states have call successors, (443), 95 states have call predecessors, (443), 94 states have return successors, (437), 434 states have call predecessors, (437), 437 states have call successors, (437) [2022-12-13 14:14:05,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2022-12-13 14:14:05,736 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 14:14:05,737 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:14:05,738 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-12-13 14:14:05,743 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 14:14:05,743 INFO L85 PathProgramCache]: Analyzing trace with hash -1475747476, now seen corresponding path program 1 times [2022-12-13 14:14:05,752 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 14:14:05,753 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2127700286] [2022-12-13 14:14:05,753 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 14:14:05,754 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 14:14:05,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:14:06,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-12-13 14:14:06,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:14:06,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:14:06,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:14:06,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-12-13 14:14:06,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:14:06,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:14:06,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:14:06,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-12-13 14:14:06,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:14:06,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:14:06,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:14:06,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-12-13 14:14:06,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:14:06,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:14:06,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:14:06,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-12-13 14:14:06,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:14:06,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:14:06,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:14:06,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-12-13 14:14:06,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:14:06,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:14:06,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:14:06,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-12-13 14:14:06,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:14:06,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:14:06,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:14:06,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-12-13 14:14:06,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:14:06,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:14:06,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:14:06,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-12-13 14:14:06,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:14:06,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2022-12-13 14:14:06,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:14:06,282 INFO L134 CoverageAnalysis]: Checked inductivity of 276 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 276 trivial. 0 not checked. [2022-12-13 14:14:06,282 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 14:14:06,282 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2127700286] [2022-12-13 14:14:06,283 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2127700286] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 14:14:06,283 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 14:14:06,283 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-13 14:14:06,284 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [967759186] [2022-12-13 14:14:06,284 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 14:14:06,288 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-13 14:14:06,288 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 14:14:06,310 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-13 14:14:06,310 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-13 14:14:06,314 INFO L87 Difference]: Start difference. First operand has 1697 states, 1159 states have (on average 1.271786022433132) internal successors, (1474), 1194 states have internal predecessors, (1474), 443 states have call successors, (443), 95 states have call predecessors, (443), 94 states have return successors, (437), 434 states have call predecessors, (437), 437 states have call successors, (437) Second operand has 4 states, 4 states have (on average 8.5) internal successors, (34), 3 states have internal predecessors, (34), 3 states have call successors, (13), 3 states have call predecessors, (13), 1 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) [2022-12-13 14:14:10,135 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 14:14:10,136 INFO L93 Difference]: Finished difference Result 5091 states and 7256 transitions. [2022-12-13 14:14:10,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-13 14:14:10,138 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.5) internal successors, (34), 3 states have internal predecessors, (34), 3 states have call successors, (13), 3 states have call predecessors, (13), 1 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) Word has length 116 [2022-12-13 14:14:10,139 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 14:14:10,171 INFO L225 Difference]: With dead ends: 5091 [2022-12-13 14:14:10,171 INFO L226 Difference]: Without dead ends: 3405 [2022-12-13 14:14:10,186 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-13 14:14:10,188 INFO L413 NwaCegarLoop]: 1760 mSDtfsCounter, 3180 mSDsluCounter, 2101 mSDsCounter, 0 mSdLazyCounter, 2674 mSolverCounterSat, 1256 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3574 SdHoareTripleChecker+Valid, 3861 SdHoareTripleChecker+Invalid, 3930 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1256 IncrementalHoareTripleChecker+Valid, 2674 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.4s IncrementalHoareTripleChecker+Time [2022-12-13 14:14:10,189 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3574 Valid, 3861 Invalid, 3930 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1256 Valid, 2674 Invalid, 0 Unknown, 0 Unchecked, 3.4s Time] [2022-12-13 14:14:10,211 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3405 states. [2022-12-13 14:14:10,399 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3405 to 3261. [2022-12-13 14:14:10,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3261 states, 2236 states have (on average 1.2661001788908766) internal successors, (2831), 2303 states have internal predecessors, (2831), 838 states have call successors, (838), 185 states have call predecessors, (838), 184 states have return successors, (834), 828 states have call predecessors, (834), 834 states have call successors, (834) [2022-12-13 14:14:10,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3261 states to 3261 states and 4503 transitions. [2022-12-13 14:14:10,430 INFO L78 Accepts]: Start accepts. Automaton has 3261 states and 4503 transitions. Word has length 116 [2022-12-13 14:14:10,431 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 14:14:10,431 INFO L495 AbstractCegarLoop]: Abstraction has 3261 states and 4503 transitions. [2022-12-13 14:14:10,431 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.5) internal successors, (34), 3 states have internal predecessors, (34), 3 states have call successors, (13), 3 states have call predecessors, (13), 1 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) [2022-12-13 14:14:10,431 INFO L276 IsEmpty]: Start isEmpty. Operand 3261 states and 4503 transitions. [2022-12-13 14:14:10,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2022-12-13 14:14:10,436 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 14:14:10,437 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:14:10,437 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-13 14:14:10,437 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-12-13 14:14:10,438 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 14:14:10,438 INFO L85 PathProgramCache]: Analyzing trace with hash 22066934, now seen corresponding path program 1 times [2022-12-13 14:14:10,438 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 14:14:10,438 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2138054273] [2022-12-13 14:14:10,438 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 14:14:10,439 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 14:14:10,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:14:10,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-12-13 14:14:10,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:14:10,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:14:10,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:14:10,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-12-13 14:14:10,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:14:10,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:14:10,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:14:10,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-12-13 14:14:10,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:14:10,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:14:10,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:14:10,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-12-13 14:14:10,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:14:10,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:14:10,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:14:10,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-12-13 14:14:10,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:14:10,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:14:10,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:14:10,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-12-13 14:14:10,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:14:10,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:14:10,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:14:10,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-12-13 14:14:10,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:14:10,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:14:10,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:14:10,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-12-13 14:14:10,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:14:10,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:14:10,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:14:10,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-12-13 14:14:10,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:14:10,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2022-12-13 14:14:10,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:14:10,710 INFO L134 CoverageAnalysis]: Checked inductivity of 276 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 276 trivial. 0 not checked. [2022-12-13 14:14:10,710 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 14:14:10,710 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2138054273] [2022-12-13 14:14:10,710 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2138054273] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 14:14:10,710 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 14:14:10,711 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-13 14:14:10,711 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [313481555] [2022-12-13 14:14:10,711 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 14:14:10,712 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-13 14:14:10,712 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 14:14:10,712 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-13 14:14:10,713 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-13 14:14:10,713 INFO L87 Difference]: Start difference. First operand 3261 states and 4503 transitions. Second operand has 4 states, 4 states have (on average 8.75) internal successors, (35), 3 states have internal predecessors, (35), 3 states have call successors, (13), 3 states have call predecessors, (13), 1 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) [2022-12-13 14:14:14,620 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 14:14:14,620 INFO L93 Difference]: Finished difference Result 9713 states and 13477 transitions. [2022-12-13 14:14:14,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-13 14:14:14,620 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.75) internal successors, (35), 3 states have internal predecessors, (35), 3 states have call successors, (13), 3 states have call predecessors, (13), 1 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) Word has length 117 [2022-12-13 14:14:14,621 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 14:14:14,646 INFO L225 Difference]: With dead ends: 9713 [2022-12-13 14:14:14,646 INFO L226 Difference]: Without dead ends: 6473 [2022-12-13 14:14:14,657 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-13 14:14:14,657 INFO L413 NwaCegarLoop]: 1735 mSDtfsCounter, 3009 mSDsluCounter, 2076 mSDsCounter, 0 mSdLazyCounter, 2647 mSolverCounterSat, 1252 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3384 SdHoareTripleChecker+Valid, 3811 SdHoareTripleChecker+Invalid, 3899 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1252 IncrementalHoareTripleChecker+Valid, 2647 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.5s IncrementalHoareTripleChecker+Time [2022-12-13 14:14:14,658 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3384 Valid, 3811 Invalid, 3899 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1252 Valid, 2647 Invalid, 0 Unknown, 0 Unchecked, 3.5s Time] [2022-12-13 14:14:14,663 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6473 states. [2022-12-13 14:14:14,833 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6473 to 6172. [2022-12-13 14:14:14,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6172 states, 4209 states have (on average 1.265383701591827) internal successors, (5326), 4339 states have internal predecessors, (5326), 1597 states have call successors, (1597), 366 states have call predecessors, (1597), 363 states have return successors, (1595), 1572 states have call predecessors, (1595), 1593 states have call successors, (1595) [2022-12-13 14:14:14,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6172 states to 6172 states and 8518 transitions. [2022-12-13 14:14:14,860 INFO L78 Accepts]: Start accepts. Automaton has 6172 states and 8518 transitions. Word has length 117 [2022-12-13 14:14:14,861 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 14:14:14,861 INFO L495 AbstractCegarLoop]: Abstraction has 6172 states and 8518 transitions. [2022-12-13 14:14:14,861 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.75) internal successors, (35), 3 states have internal predecessors, (35), 3 states have call successors, (13), 3 states have call predecessors, (13), 1 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) [2022-12-13 14:14:14,861 INFO L276 IsEmpty]: Start isEmpty. Operand 6172 states and 8518 transitions. [2022-12-13 14:14:14,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2022-12-13 14:14:14,863 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 14:14:14,864 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:14:14,864 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-13 14:14:14,864 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-12-13 14:14:14,864 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 14:14:14,864 INFO L85 PathProgramCache]: Analyzing trace with hash -1861325565, now seen corresponding path program 1 times [2022-12-13 14:14:14,864 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 14:14:14,865 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1453956055] [2022-12-13 14:14:14,865 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 14:14:14,865 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 14:14:14,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:14:15,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-12-13 14:14:15,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:14:15,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:14:15,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:14:15,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-12-13 14:14:15,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:14:15,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:14:15,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:14:15,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-12-13 14:14:15,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:14:15,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:14:15,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:14:15,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-12-13 14:14:15,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:14:15,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:14:15,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:14:15,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-12-13 14:14:15,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:14:15,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:14:15,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:14:15,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-12-13 14:14:15,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:14:15,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:14:15,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:14:15,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-12-13 14:14:15,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:14:15,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:14:15,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:14:15,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-12-13 14:14:15,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:14:15,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:14:15,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:14:15,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-12-13 14:14:15,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:14:15,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2022-12-13 14:14:15,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:14:15,140 INFO L134 CoverageAnalysis]: Checked inductivity of 276 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 276 trivial. 0 not checked. [2022-12-13 14:14:15,140 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 14:14:15,140 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1453956055] [2022-12-13 14:14:15,140 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1453956055] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 14:14:15,141 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 14:14:15,141 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-13 14:14:15,141 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1992696900] [2022-12-13 14:14:15,141 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 14:14:15,141 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-13 14:14:15,141 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 14:14:15,142 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-13 14:14:15,142 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-13 14:14:15,142 INFO L87 Difference]: Start difference. First operand 6172 states and 8518 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, (15), 3 states have call predecessors, (15), 1 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) [2022-12-13 14:14:18,196 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 14:14:18,196 INFO L93 Difference]: Finished difference Result 12363 states and 17160 transitions. [2022-12-13 14:14:18,196 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-13 14:14:18,196 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, (15), 3 states have call predecessors, (15), 1 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) Word has length 128 [2022-12-13 14:14:18,197 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 14:14:18,217 INFO L225 Difference]: With dead ends: 12363 [2022-12-13 14:14:18,217 INFO L226 Difference]: Without dead ends: 6212 [2022-12-13 14:14:18,230 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-13 14:14:18,231 INFO L413 NwaCegarLoop]: 1962 mSDtfsCounter, 2386 mSDsluCounter, 2247 mSDsCounter, 0 mSdLazyCounter, 2822 mSolverCounterSat, 948 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2706 SdHoareTripleChecker+Valid, 4209 SdHoareTripleChecker+Invalid, 3770 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 948 IncrementalHoareTripleChecker+Valid, 2822 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2022-12-13 14:14:18,231 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2706 Valid, 4209 Invalid, 3770 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [948 Valid, 2822 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2022-12-13 14:14:18,236 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6212 states. [2022-12-13 14:14:18,393 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6212 to 5936. [2022-12-13 14:14:18,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5936 states, 4089 states have (on average 1.272438248960626) internal successors, (5203), 4215 states have internal predecessors, (5203), 1495 states have call successors, (1495), 353 states have call predecessors, (1495), 349 states have return successors, (1492), 1469 states have call predecessors, (1492), 1491 states have call successors, (1492) [2022-12-13 14:14:18,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5936 states to 5936 states and 8190 transitions. [2022-12-13 14:14:18,416 INFO L78 Accepts]: Start accepts. Automaton has 5936 states and 8190 transitions. Word has length 128 [2022-12-13 14:14:18,416 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 14:14:18,416 INFO L495 AbstractCegarLoop]: Abstraction has 5936 states and 8190 transitions. [2022-12-13 14:14:18,417 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, (15), 3 states have call predecessors, (15), 1 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) [2022-12-13 14:14:18,417 INFO L276 IsEmpty]: Start isEmpty. Operand 5936 states and 8190 transitions. [2022-12-13 14:14:18,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2022-12-13 14:14:18,419 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 14:14:18,419 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 8, 8, 8, 8, 8, 8, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 14:14:18,419 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-12-13 14:14:18,419 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-12-13 14:14:18,420 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 14:14:18,420 INFO L85 PathProgramCache]: Analyzing trace with hash -798811826, now seen corresponding path program 1 times [2022-12-13 14:14:18,420 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 14:14:18,420 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1448125836] [2022-12-13 14:14:18,420 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 14:14:18,420 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 14:14:18,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:14:18,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-12-13 14:14:18,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:14:18,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:14:18,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:14:18,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-12-13 14:14:18,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:14:18,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:14:18,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:14:18,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-12-13 14:14:18,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:14:18,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:14:18,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:14:18,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-12-13 14:14:18,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:14:18,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:14:18,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:14:18,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-12-13 14:14:18,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:14:18,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:14:18,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:14:18,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-12-13 14:14:18,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:14:18,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:14:18,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:14:18,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-12-13 14:14:18,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:14:18,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:14:18,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:14:18,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-12-13 14:14:18,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:14:18,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:14:18,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:14:18,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-12-13 14:14:18,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:14:18,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2022-12-13 14:14:18,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:14:18,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-12-13 14:14:18,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:14:18,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2022-12-13 14:14:18,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:14:18,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-12-13 14:14:18,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:14:18,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:14:18,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:14:18,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2022-12-13 14:14:18,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:14:18,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2022-12-13 14:14:18,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:14:18,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-12-13 14:14:18,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:14:18,657 INFO L134 CoverageAnalysis]: Checked inductivity of 400 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 390 trivial. 0 not checked. [2022-12-13 14:14:18,658 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 14:14:18,658 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1448125836] [2022-12-13 14:14:18,658 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1448125836] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 14:14:18,658 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 14:14:18,658 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-13 14:14:18,658 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1651105249] [2022-12-13 14:14:18,658 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 14:14:18,658 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-13 14:14:18,659 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 14:14:18,659 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-13 14:14:18,659 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-13 14:14:18,659 INFO L87 Difference]: Start difference. First operand 5936 states and 8190 transitions. Second operand has 4 states, 4 states have (on average 15.25) internal successors, (61), 3 states have internal predecessors, (61), 3 states have call successors, (20), 3 states have call predecessors, (20), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2022-12-13 14:14:21,759 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 14:14:21,759 INFO L93 Difference]: Finished difference Result 16504 states and 22880 transitions. [2022-12-13 14:14:21,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-13 14:14:21,761 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 15.25) internal successors, (61), 3 states have internal predecessors, (61), 3 states have call successors, (20), 3 states have call predecessors, (20), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) Word has length 172 [2022-12-13 14:14:21,761 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 14:14:21,801 INFO L225 Difference]: With dead ends: 16504 [2022-12-13 14:14:21,801 INFO L226 Difference]: Without dead ends: 11336 [2022-12-13 14:14:21,813 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 52 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 14:14:21,814 INFO L413 NwaCegarLoop]: 2264 mSDtfsCounter, 2839 mSDsluCounter, 2491 mSDsCounter, 0 mSdLazyCounter, 2980 mSolverCounterSat, 1064 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3226 SdHoareTripleChecker+Valid, 4755 SdHoareTripleChecker+Invalid, 4044 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1064 IncrementalHoareTripleChecker+Valid, 2980 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2022-12-13 14:14:21,815 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3226 Valid, 4755 Invalid, 4044 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1064 Valid, 2980 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2022-12-13 14:14:21,824 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11336 states. [2022-12-13 14:14:22,136 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11336 to 10845. [2022-12-13 14:14:22,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10845 states, 7479 states have (on average 1.2719614921780986) internal successors, (9513), 7701 states have internal predecessors, (9513), 2723 states have call successors, (2723), 645 states have call predecessors, (2723), 640 states have return successors, (2721), 2688 states have call predecessors, (2721), 2719 states have call successors, (2721) [2022-12-13 14:14:22,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10845 states to 10845 states and 14957 transitions. [2022-12-13 14:14:22,184 INFO L78 Accepts]: Start accepts. Automaton has 10845 states and 14957 transitions. Word has length 172 [2022-12-13 14:14:22,184 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 14:14:22,185 INFO L495 AbstractCegarLoop]: Abstraction has 10845 states and 14957 transitions. [2022-12-13 14:14:22,185 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.25) internal successors, (61), 3 states have internal predecessors, (61), 3 states have call successors, (20), 3 states have call predecessors, (20), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2022-12-13 14:14:22,186 INFO L276 IsEmpty]: Start isEmpty. Operand 10845 states and 14957 transitions. [2022-12-13 14:14:22,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2022-12-13 14:14:22,188 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 14:14:22,188 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 8, 8, 8, 8, 8, 8, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 14:14:22,189 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-12-13 14:14:22,189 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-12-13 14:14:22,189 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 14:14:22,189 INFO L85 PathProgramCache]: Analyzing trace with hash -658263216, now seen corresponding path program 1 times [2022-12-13 14:14:22,189 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 14:14:22,190 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1263226717] [2022-12-13 14:14:22,190 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 14:14:22,190 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 14:14:22,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:14:22,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-12-13 14:14:22,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:14:22,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:14:22,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:14:22,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-12-13 14:14:22,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:14:22,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:14:22,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:14:22,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-12-13 14:14:22,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:14:22,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:14:22,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:14:22,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-12-13 14:14:22,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:14:22,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:14:22,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:14:22,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-12-13 14:14:22,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:14:22,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:14:22,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:14:22,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-12-13 14:14:22,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:14:22,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:14:22,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:14:22,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-12-13 14:14:22,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:14:22,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:14:22,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:14:22,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-12-13 14:14:22,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:14:22,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:14:22,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:14:22,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-12-13 14:14:22,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:14:22,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2022-12-13 14:14:22,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:14:22,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-12-13 14:14:22,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:14:22,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2022-12-13 14:14:22,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:14:22,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-12-13 14:14:22,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:14:22,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:14:22,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:14:22,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2022-12-13 14:14:22,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:14:22,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2022-12-13 14:14:22,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:14:22,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-12-13 14:14:22,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:14:22,774 INFO L134 CoverageAnalysis]: Checked inductivity of 400 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 400 trivial. 0 not checked. [2022-12-13 14:14:22,774 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 14:14:22,774 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1263226717] [2022-12-13 14:14:22,775 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1263226717] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 14:14:22,775 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 14:14:22,775 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-12-13 14:14:22,775 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [605443946] [2022-12-13 14:14:22,775 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 14:14:22,776 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-13 14:14:22,776 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 14:14:22,776 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 14:14:22,776 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-12-13 14:14:22,777 INFO L87 Difference]: Start difference. First operand 10845 states and 14957 transitions. Second operand has 6 states, 6 states have (on average 8.833333333333334) internal successors, (53), 4 states have internal predecessors, (53), 2 states have call successors, (19), 4 states have call predecessors, (19), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2022-12-13 14:14:25,537 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 14:14:25,537 INFO L93 Difference]: Finished difference Result 11338 states and 15739 transitions. [2022-12-13 14:14:25,537 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-13 14:14:25,538 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.833333333333334) internal successors, (53), 4 states have internal predecessors, (53), 2 states have call successors, (19), 4 states have call predecessors, (19), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 172 [2022-12-13 14:14:25,538 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 14:14:25,571 INFO L225 Difference]: With dead ends: 11338 [2022-12-13 14:14:25,571 INFO L226 Difference]: Without dead ends: 11336 [2022-12-13 14:14:25,576 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 52 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 14:14:25,576 INFO L413 NwaCegarLoop]: 1490 mSDtfsCounter, 2456 mSDsluCounter, 3370 mSDsCounter, 0 mSdLazyCounter, 3289 mSolverCounterSat, 955 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2691 SdHoareTripleChecker+Valid, 4860 SdHoareTripleChecker+Invalid, 4244 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 955 IncrementalHoareTripleChecker+Valid, 3289 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2022-12-13 14:14:25,577 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2691 Valid, 4860 Invalid, 4244 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [955 Valid, 3289 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2022-12-13 14:14:25,585 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11336 states. [2022-12-13 14:14:25,883 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11336 to 10849. [2022-12-13 14:14:25,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10849 states, 7482 states have (on average 1.2718524458700882) internal successors, (9516), 7704 states have internal predecessors, (9516), 2723 states have call successors, (2723), 646 states have call predecessors, (2723), 641 states have return successors, (2721), 2688 states have call predecessors, (2721), 2719 states have call successors, (2721) [2022-12-13 14:14:25,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10849 states to 10849 states and 14960 transitions. [2022-12-13 14:14:25,922 INFO L78 Accepts]: Start accepts. Automaton has 10849 states and 14960 transitions. Word has length 172 [2022-12-13 14:14:25,923 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 14:14:25,923 INFO L495 AbstractCegarLoop]: Abstraction has 10849 states and 14960 transitions. [2022-12-13 14:14:25,923 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.833333333333334) internal successors, (53), 4 states have internal predecessors, (53), 2 states have call successors, (19), 4 states have call predecessors, (19), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2022-12-13 14:14:25,923 INFO L276 IsEmpty]: Start isEmpty. Operand 10849 states and 14960 transitions. [2022-12-13 14:14:25,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2022-12-13 14:14:25,928 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 14:14:25,929 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 8, 8, 8, 8, 8, 8, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 14:14:25,929 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-12-13 14:14:25,929 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-12-13 14:14:25,929 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 14:14:25,929 INFO L85 PathProgramCache]: Analyzing trace with hash -666884770, now seen corresponding path program 1 times [2022-12-13 14:14:25,929 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 14:14:25,930 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1353732545] [2022-12-13 14:14:25,930 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 14:14:25,930 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 14:14:25,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:14:26,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-12-13 14:14:26,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:14:26,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:14:26,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:14:26,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-12-13 14:14:26,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:14:26,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:14:26,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:14:26,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-12-13 14:14:26,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:14:26,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:14:26,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:14:26,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-12-13 14:14:26,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:14:26,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:14:26,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:14:26,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-12-13 14:14:26,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:14:26,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:14:26,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:14:26,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-12-13 14:14:26,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:14:26,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:14:26,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:14:26,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-12-13 14:14:26,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:14:26,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:14:26,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:14:26,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-12-13 14:14:26,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:14:26,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:14:26,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:14:26,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-12-13 14:14:26,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:14:26,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2022-12-13 14:14:26,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:14:26,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-12-13 14:14:26,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:14:26,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2022-12-13 14:14:26,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:14:26,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-12-13 14:14:26,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:14:26,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:14:26,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:14:26,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2022-12-13 14:14:26,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:14:26,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2022-12-13 14:14:26,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:14:26,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-12-13 14:14:26,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:14:26,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-12-13 14:14:26,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:14:26,376 INFO L134 CoverageAnalysis]: Checked inductivity of 402 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 400 trivial. 0 not checked. [2022-12-13 14:14:26,377 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 14:14:26,377 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1353732545] [2022-12-13 14:14:26,377 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1353732545] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 14:14:26,377 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 14:14:26,377 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-12-13 14:14:26,377 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [845064724] [2022-12-13 14:14:26,377 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 14:14:26,377 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-13 14:14:26,377 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 14:14:26,378 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 14:14:26,378 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-12-13 14:14:26,378 INFO L87 Difference]: Start difference. First operand 10849 states and 14960 transitions. Second operand has 6 states, 6 states have (on average 9.333333333333334) internal successors, (56), 4 states have internal predecessors, (56), 2 states have call successors, (20), 4 states have call predecessors, (20), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2022-12-13 14:14:28,784 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 14:14:28,784 INFO L93 Difference]: Finished difference Result 11342 states and 15742 transitions. [2022-12-13 14:14:28,785 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-13 14:14:28,785 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.333333333333334) internal successors, (56), 4 states have internal predecessors, (56), 2 states have call successors, (20), 4 states have call predecessors, (20), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 177 [2022-12-13 14:14:28,785 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 14:14:28,813 INFO L225 Difference]: With dead ends: 11342 [2022-12-13 14:14:28,813 INFO L226 Difference]: Without dead ends: 11340 [2022-12-13 14:14:28,818 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 54 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 14:14:28,818 INFO L413 NwaCegarLoop]: 1484 mSDtfsCounter, 2454 mSDsluCounter, 3358 mSDsCounter, 0 mSdLazyCounter, 3289 mSolverCounterSat, 955 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2689 SdHoareTripleChecker+Valid, 4842 SdHoareTripleChecker+Invalid, 4244 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 955 IncrementalHoareTripleChecker+Valid, 3289 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2022-12-13 14:14:28,818 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2689 Valid, 4842 Invalid, 4244 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [955 Valid, 3289 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2022-12-13 14:14:28,826 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11340 states. [2022-12-13 14:14:29,159 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11340 to 10853. [2022-12-13 14:14:29,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10853 states, 7485 states have (on average 1.271743486973948) internal successors, (9519), 7707 states have internal predecessors, (9519), 2723 states have call successors, (2723), 647 states have call predecessors, (2723), 642 states have return successors, (2721), 2688 states have call predecessors, (2721), 2719 states have call successors, (2721) [2022-12-13 14:14:29,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10853 states to 10853 states and 14963 transitions. [2022-12-13 14:14:29,198 INFO L78 Accepts]: Start accepts. Automaton has 10853 states and 14963 transitions. Word has length 177 [2022-12-13 14:14:29,199 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 14:14:29,199 INFO L495 AbstractCegarLoop]: Abstraction has 10853 states and 14963 transitions. [2022-12-13 14:14:29,199 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.333333333333334) internal successors, (56), 4 states have internal predecessors, (56), 2 states have call successors, (20), 4 states have call predecessors, (20), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2022-12-13 14:14:29,199 INFO L276 IsEmpty]: Start isEmpty. Operand 10853 states and 14963 transitions. [2022-12-13 14:14:29,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2022-12-13 14:14:29,202 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 14:14:29,203 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 8, 8, 8, 8, 8, 8, 4, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 14:14:29,203 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-12-13 14:14:29,203 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-12-13 14:14:29,203 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 14:14:29,203 INFO L85 PathProgramCache]: Analyzing trace with hash -960764976, now seen corresponding path program 1 times [2022-12-13 14:14:29,203 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 14:14:29,203 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1398441673] [2022-12-13 14:14:29,204 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 14:14:29,204 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 14:14:29,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:14:29,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-12-13 14:14:29,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:14:29,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:14:29,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:14:29,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-12-13 14:14:29,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:14:29,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:14:29,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:14:29,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-12-13 14:14:29,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:14:29,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:14:29,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:14:29,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-12-13 14:14:29,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:14:29,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:14:29,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:14:29,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-12-13 14:14:29,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:14:29,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:14:29,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:14:29,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-12-13 14:14:29,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:14:29,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:14:29,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:14:29,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-12-13 14:14:29,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:14:29,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:14:29,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:14:29,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-12-13 14:14:29,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:14:29,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:14:29,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:14:29,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-12-13 14:14:29,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:14:29,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2022-12-13 14:14:29,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:14:29,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-12-13 14:14:29,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:14:29,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2022-12-13 14:14:29,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:14:29,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-12-13 14:14:29,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:14:29,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:14:29,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:14:29,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2022-12-13 14:14:29,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:14:29,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2022-12-13 14:14:29,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:14:29,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-12-13 14:14:29,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:14:29,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-12-13 14:14:29,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:14:29,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2022-12-13 14:14:29,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:14:29,657 INFO L134 CoverageAnalysis]: Checked inductivity of 408 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 404 trivial. 0 not checked. [2022-12-13 14:14:29,658 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 14:14:29,658 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1398441673] [2022-12-13 14:14:29,658 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1398441673] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 14:14:29,658 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 14:14:29,658 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-12-13 14:14:29,658 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [742378191] [2022-12-13 14:14:29,658 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 14:14:29,658 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-13 14:14:29,659 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 14:14:29,659 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 14:14:29,659 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-12-13 14:14:29,659 INFO L87 Difference]: Start difference. First operand 10853 states and 14963 transitions. Second operand has 6 states, 6 states have (on average 9.333333333333334) internal successors, (56), 4 states have internal predecessors, (56), 2 states have call successors, (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 14:14:32,501 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 14:14:32,502 INFO L93 Difference]: Finished difference Result 11346 states and 15745 transitions. [2022-12-13 14:14:32,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-12-13 14:14:32,502 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.333333333333334) internal successors, (56), 4 states have internal predecessors, (56), 2 states have call successors, (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 182 [2022-12-13 14:14:32,503 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 14:14:32,529 INFO L225 Difference]: With dead ends: 11346 [2022-12-13 14:14:32,529 INFO L226 Difference]: Without dead ends: 11342 [2022-12-13 14:14:32,533 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 56 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 14:14:32,533 INFO L413 NwaCegarLoop]: 1484 mSDtfsCounter, 2435 mSDsluCounter, 3368 mSDsCounter, 0 mSdLazyCounter, 3306 mSolverCounterSat, 953 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2663 SdHoareTripleChecker+Valid, 4852 SdHoareTripleChecker+Invalid, 4259 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 953 IncrementalHoareTripleChecker+Valid, 3306 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2022-12-13 14:14:32,533 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2663 Valid, 4852 Invalid, 4259 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [953 Valid, 3306 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2022-12-13 14:14:32,541 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11342 states. [2022-12-13 14:14:32,876 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11342 to 10855. [2022-12-13 14:14:32,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10855 states, 7487 states have (on average 1.2715373313743823) internal successors, (9520), 7708 states have internal predecessors, (9520), 2723 states have call successors, (2723), 648 states have call predecessors, (2723), 642 states have return successors, (2721), 2688 states have call predecessors, (2721), 2719 states have call successors, (2721) [2022-12-13 14:14:32,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10855 states to 10855 states and 14964 transitions. [2022-12-13 14:14:32,909 INFO L78 Accepts]: Start accepts. Automaton has 10855 states and 14964 transitions. Word has length 182 [2022-12-13 14:14:32,910 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 14:14:32,910 INFO L495 AbstractCegarLoop]: Abstraction has 10855 states and 14964 transitions. [2022-12-13 14:14:32,910 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.333333333333334) internal successors, (56), 4 states have internal predecessors, (56), 2 states have call successors, (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 14:14:32,910 INFO L276 IsEmpty]: Start isEmpty. Operand 10855 states and 14964 transitions. [2022-12-13 14:14:32,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-12-13 14:14:32,918 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 14:14:32,918 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 8, 8, 8, 8, 8, 8, 5, 5, 5, 4, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 14:14:32,919 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-12-13 14:14:32,919 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-12-13 14:14:32,919 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 14:14:32,919 INFO L85 PathProgramCache]: Analyzing trace with hash -116002177, now seen corresponding path program 1 times [2022-12-13 14:14:32,919 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 14:14:32,919 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [117628544] [2022-12-13 14:14:32,920 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 14:14:32,920 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 14:14:32,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:14:33,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-12-13 14:14:33,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:14:33,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:14:33,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:14:33,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-12-13 14:14:33,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:14:33,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:14:33,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:14:33,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-12-13 14:14:33,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:14:33,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:14:33,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:14:33,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-12-13 14:14:33,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:14:33,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:14:33,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:14:33,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-12-13 14:14:33,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:14:33,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:14:33,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:14:33,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-12-13 14:14:33,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:14:33,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:14:33,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:14:33,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-12-13 14:14:33,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:14:33,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:14:33,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:14:33,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-12-13 14:14:33,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:14:33,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:14:33,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:14:33,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-12-13 14:14:33,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:14:33,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2022-12-13 14:14:33,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:14:33,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-12-13 14:14:33,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:14:33,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2022-12-13 14:14:33,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:14:33,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-12-13 14:14:33,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:14:33,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:14:33,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:14:33,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2022-12-13 14:14:33,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:14:33,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2022-12-13 14:14:33,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:14:33,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-12-13 14:14:33,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:14:33,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2022-12-13 14:14:33,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:14:33,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 14:14:33,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:14:33,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2022-12-13 14:14:33,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:14:33,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2022-12-13 14:14:33,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:14:33,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-12-13 14:14:33,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:14:33,169 INFO L134 CoverageAnalysis]: Checked inductivity of 430 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 418 trivial. 0 not checked. [2022-12-13 14:14:33,170 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 14:14:33,170 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [117628544] [2022-12-13 14:14:33,170 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [117628544] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 14:14:33,170 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 14:14:33,170 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-13 14:14:33,170 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1875925177] [2022-12-13 14:14:33,170 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 14:14:33,170 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-13 14:14:33,171 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 14:14:33,171 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-13 14:14:33,171 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-13 14:14:33,171 INFO L87 Difference]: Start difference. First operand 10855 states and 14964 transitions. Second operand has 5 states, 5 states have (on average 13.8) internal successors, (69), 3 states have internal predecessors, (69), 3 states have call successors, (25), 4 states have call predecessors, (25), 1 states have return successors, (23), 3 states have call predecessors, (23), 3 states have call successors, (23) [2022-12-13 14:14:39,662 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.39s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 14:14:45,429 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 14:14:45,429 INFO L93 Difference]: Finished difference Result 26596 states and 36818 transitions. [2022-12-13 14:14:45,430 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-12-13 14:14:45,430 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.8) internal successors, (69), 3 states have internal predecessors, (69), 3 states have call successors, (25), 4 states have call predecessors, (25), 1 states have return successors, (23), 3 states have call predecessors, (23), 3 states have call successors, (23) Word has length 199 [2022-12-13 14:14:45,430 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 14:14:45,468 INFO L225 Difference]: With dead ends: 26596 [2022-12-13 14:14:45,468 INFO L226 Difference]: Without dead ends: 16509 [2022-12-13 14:14:45,487 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 63 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-12-13 14:14:45,488 INFO L413 NwaCegarLoop]: 2025 mSDtfsCounter, 3180 mSDsluCounter, 3295 mSDsCounter, 0 mSdLazyCounter, 5435 mSolverCounterSat, 2121 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3440 SdHoareTripleChecker+Valid, 5320 SdHoareTripleChecker+Invalid, 7556 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2121 IncrementalHoareTripleChecker+Valid, 5435 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.3s IncrementalHoareTripleChecker+Time [2022-12-13 14:14:45,488 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3440 Valid, 5320 Invalid, 7556 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2121 Valid, 5435 Invalid, 0 Unknown, 0 Unchecked, 11.3s Time] [2022-12-13 14:14:45,499 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16509 states. [2022-12-13 14:14:46,149 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16509 to 15768. [2022-12-13 14:14:46,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15768 states, 10881 states have (on average 1.2713904971969487) internal successors, (13834), 11198 states have internal predecessors, (13834), 3951 states have call successors, (3951), 940 states have call predecessors, (3951), 933 states have return successors, (3950), 3907 states have call predecessors, (3950), 3947 states have call successors, (3950) [2022-12-13 14:14:46,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15768 states to 15768 states and 21735 transitions. [2022-12-13 14:14:46,196 INFO L78 Accepts]: Start accepts. Automaton has 15768 states and 21735 transitions. Word has length 199 [2022-12-13 14:14:46,197 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 14:14:46,197 INFO L495 AbstractCegarLoop]: Abstraction has 15768 states and 21735 transitions. [2022-12-13 14:14:46,197 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.8) internal successors, (69), 3 states have internal predecessors, (69), 3 states have call successors, (25), 4 states have call predecessors, (25), 1 states have return successors, (23), 3 states have call predecessors, (23), 3 states have call successors, (23) [2022-12-13 14:14:46,197 INFO L276 IsEmpty]: Start isEmpty. Operand 15768 states and 21735 transitions. [2022-12-13 14:14:46,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2022-12-13 14:14:46,202 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 14:14:46,202 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 8, 8, 8, 8, 8, 8, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 14:14:46,202 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-12-13 14:14:46,202 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-12-13 14:14:46,203 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 14:14:46,203 INFO L85 PathProgramCache]: Analyzing trace with hash -1467190178, now seen corresponding path program 1 times [2022-12-13 14:14:46,203 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 14:14:46,203 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1754458605] [2022-12-13 14:14:46,203 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 14:14:46,203 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 14:14:46,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:14:46,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-12-13 14:14:46,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:14:46,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:14:46,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:14:46,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-12-13 14:14:46,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:14:46,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:14:46,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:14:46,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-12-13 14:14:46,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:14:46,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:14:46,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:14:46,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-12-13 14:14:46,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:14:46,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:14:46,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:14:46,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-12-13 14:14:46,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:14:46,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:14:46,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:14:46,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-12-13 14:14:46,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:14:46,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:14:46,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:14:46,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-12-13 14:14:46,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:14:46,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:14:46,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:14:46,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-12-13 14:14:46,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:14:46,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:14:46,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:14:46,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-12-13 14:14:46,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:14:46,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2022-12-13 14:14:46,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:14:46,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-12-13 14:14:46,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:14:46,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2022-12-13 14:14:46,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:14:46,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-12-13 14:14:46,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:14:46,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:14:46,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:14:46,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2022-12-13 14:14:46,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:14:46,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2022-12-13 14:14:46,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:14:46,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-12-13 14:14:46,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:14:46,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-12-13 14:14:46,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:14:46,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2022-12-13 14:14:46,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:14:46,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2022-12-13 14:14:46,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:14:46,784 INFO L134 CoverageAnalysis]: Checked inductivity of 418 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 412 trivial. 0 not checked. [2022-12-13 14:14:46,784 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 14:14:46,784 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1754458605] [2022-12-13 14:14:46,784 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1754458605] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 14:14:46,784 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 14:14:46,784 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-12-13 14:14:46,785 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [56563503] [2022-12-13 14:14:46,785 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 14:14:46,785 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-13 14:14:46,785 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 14:14:46,785 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 14:14:46,785 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-12-13 14:14:46,786 INFO L87 Difference]: Start difference. First operand 15768 states and 21735 transitions. Second operand has 6 states, 6 states have (on average 9.333333333333334) internal successors, (56), 4 states have internal predecessors, (56), 2 states have call successors, (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 14:14:50,109 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 14:14:50,109 INFO L93 Difference]: Finished difference Result 16485 states and 22875 transitions. [2022-12-13 14:14:50,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-13 14:14:50,110 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.333333333333334) internal successors, (56), 4 states have internal predecessors, (56), 2 states have call successors, (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 187 [2022-12-13 14:14:50,110 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 14:14:50,147 INFO L225 Difference]: With dead ends: 16485 [2022-12-13 14:14:50,147 INFO L226 Difference]: Without dead ends: 15609 [2022-12-13 14:14:50,154 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 58 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 14:14:50,155 INFO L413 NwaCegarLoop]: 1491 mSDtfsCounter, 2442 mSDsluCounter, 3373 mSDsCounter, 0 mSdLazyCounter, 3284 mSolverCounterSat, 952 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2676 SdHoareTripleChecker+Valid, 4864 SdHoareTripleChecker+Invalid, 4236 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 952 IncrementalHoareTripleChecker+Valid, 3284 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2022-12-13 14:14:50,155 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2676 Valid, 4864 Invalid, 4236 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [952 Valid, 3284 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2022-12-13 14:14:50,165 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15609 states. [2022-12-13 14:14:50,931 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15609 to 14919. [2022-12-13 14:14:50,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14919 states, 10296 states have (on average 1.2701048951048952) internal successors, (13077), 10587 states have internal predecessors, (13077), 3738 states have call successors, (3738), 886 states have call predecessors, (3738), 883 states have return successors, (3741), 3709 states have call predecessors, (3741), 3738 states have call successors, (3741) [2022-12-13 14:14:50,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14919 states to 14919 states and 20556 transitions. [2022-12-13 14:14:50,973 INFO L78 Accepts]: Start accepts. Automaton has 14919 states and 20556 transitions. Word has length 187 [2022-12-13 14:14:50,973 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 14:14:50,973 INFO L495 AbstractCegarLoop]: Abstraction has 14919 states and 20556 transitions. [2022-12-13 14:14:50,973 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.333333333333334) internal successors, (56), 4 states have internal predecessors, (56), 2 states have call successors, (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 14:14:50,973 INFO L276 IsEmpty]: Start isEmpty. Operand 14919 states and 20556 transitions. [2022-12-13 14:14:50,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2022-12-13 14:14:50,977 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 14:14:50,977 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 8, 8, 8, 8, 8, 8, 4, 4, 4, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 14:14:50,977 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-12-13 14:14:50,977 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-12-13 14:14:50,977 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 14:14:50,978 INFO L85 PathProgramCache]: Analyzing trace with hash 1846229936, now seen corresponding path program 1 times [2022-12-13 14:14:50,978 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 14:14:50,978 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [73633518] [2022-12-13 14:14:50,978 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 14:14:50,978 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 14:14:51,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:14:51,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-12-13 14:14:51,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:14:51,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:14:51,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:14:51,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-12-13 14:14:51,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:14:51,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:14:51,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:14:51,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-12-13 14:14:51,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:14:51,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:14:51,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:14:51,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-12-13 14:14:51,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:14:51,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:14:51,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:14:51,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-12-13 14:14:51,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:14:51,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:14:51,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:14:51,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-12-13 14:14:51,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:14:51,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:14:51,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:14:51,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-12-13 14:14:51,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:14:51,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:14:51,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:14:51,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-12-13 14:14:51,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:14:51,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:14:51,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:14:51,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-12-13 14:14:51,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:14:51,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2022-12-13 14:14:51,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:14:51,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-12-13 14:14:51,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:14:51,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2022-12-13 14:14:51,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:14:51,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2022-12-13 14:14:51,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:14:51,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2022-12-13 14:14:51,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:14:51,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:14:51,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:14:51,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2022-12-13 14:14:51,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:14:51,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-12-13 14:14:51,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:14:51,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2022-12-13 14:14:51,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:14:51,238 INFO L134 CoverageAnalysis]: Checked inductivity of 393 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 390 trivial. 0 not checked. [2022-12-13 14:14:51,238 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 14:14:51,238 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [73633518] [2022-12-13 14:14:51,238 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [73633518] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 14:14:51,238 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 14:14:51,238 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-13 14:14:51,238 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [110422972] [2022-12-13 14:14:51,239 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 14:14:51,239 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-13 14:14:51,239 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 14:14:51,239 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-13 14:14:51,239 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-13 14:14:51,240 INFO L87 Difference]: Start difference. First operand 14919 states and 20556 transitions. Second operand has 4 states, 4 states have (on average 19.25) internal successors, (77), 3 states have internal predecessors, (77), 3 states have call successors, (23), 3 states have call predecessors, (23), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) [2022-12-13 14:14:55,160 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 14:14:55,160 INFO L93 Difference]: Finished difference Result 35845 states and 49652 transitions. [2022-12-13 14:14:55,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-13 14:14:55,160 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 19.25) internal successors, (77), 3 states have internal predecessors, (77), 3 states have call successors, (23), 3 states have call predecessors, (23), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) Word has length 192 [2022-12-13 14:14:55,160 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 14:14:55,211 INFO L225 Difference]: With dead ends: 35845 [2022-12-13 14:14:55,211 INFO L226 Difference]: Without dead ends: 21694 [2022-12-13 14:14:55,237 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 54 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 14:14:55,237 INFO L413 NwaCegarLoop]: 2422 mSDtfsCounter, 2045 mSDsluCounter, 2583 mSDsCounter, 0 mSdLazyCounter, 3074 mSolverCounterSat, 748 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2361 SdHoareTripleChecker+Valid, 5005 SdHoareTripleChecker+Invalid, 3822 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 748 IncrementalHoareTripleChecker+Valid, 3074 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2022-12-13 14:14:55,237 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2361 Valid, 5005 Invalid, 3822 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [748 Valid, 3074 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2022-12-13 14:14:55,251 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21694 states. [2022-12-13 14:14:56,181 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21694 to 20728. [2022-12-13 14:14:56,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20728 states, 14356 states have (on average 1.272290331568682) internal successors, (18265), 14754 states have internal predecessors, (18265), 5142 states have call successors, (5142), 1231 states have call predecessors, (5142), 1228 states have return successors, (5145), 5111 states have call predecessors, (5145), 5142 states have call successors, (5145) [2022-12-13 14:14:56,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20728 states to 20728 states and 28552 transitions. [2022-12-13 14:14:56,240 INFO L78 Accepts]: Start accepts. Automaton has 20728 states and 28552 transitions. Word has length 192 [2022-12-13 14:14:56,241 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 14:14:56,241 INFO L495 AbstractCegarLoop]: Abstraction has 20728 states and 28552 transitions. [2022-12-13 14:14:56,241 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 19.25) internal successors, (77), 3 states have internal predecessors, (77), 3 states have call successors, (23), 3 states have call predecessors, (23), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) [2022-12-13 14:14:56,241 INFO L276 IsEmpty]: Start isEmpty. Operand 20728 states and 28552 transitions. [2022-12-13 14:14:56,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 267 [2022-12-13 14:14:56,248 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 14:14:56,249 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 8, 8, 8, 8, 8, 8, 8, 8, 8, 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] [2022-12-13 14:14:56,249 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-12-13 14:14:56,249 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-12-13 14:14:56,249 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 14:14:56,249 INFO L85 PathProgramCache]: Analyzing trace with hash 864614536, now seen corresponding path program 1 times [2022-12-13 14:14:56,249 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 14:14:56,249 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [795078767] [2022-12-13 14:14:56,249 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 14:14:56,250 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 14:14:56,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:14:56,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-12-13 14:14:56,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:14:56,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:14:56,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:14:56,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-12-13 14:14:56,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:14:56,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:14:56,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:14:56,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-12-13 14:14:56,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:14:56,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:14:56,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:14:56,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-12-13 14:14:56,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:14:56,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:14:56,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:14:56,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-12-13 14:14:56,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:14:56,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:14:56,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:14:56,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-12-13 14:14:56,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:14:56,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:14:56,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:14:56,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-12-13 14:14:56,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:14:56,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:14:56,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:14:56,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-12-13 14:14:56,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:14:56,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:14:56,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:14:56,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-12-13 14:14:56,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:14:56,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2022-12-13 14:14:56,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:14:56,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-12-13 14:14:56,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:14:56,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2022-12-13 14:14:56,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:14:56,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2022-12-13 14:14:56,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:14:56,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2022-12-13 14:14:56,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:14:56,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:14:56,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:14:56,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2022-12-13 14:14:56,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:14:56,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-12-13 14:14:56,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:14:56,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2022-12-13 14:14:56,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:14:56,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:14:56,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:14:56,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 14:14:56,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:14:56,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-12-13 14:14:56,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:14:56,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2022-12-13 14:14:56,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:14:56,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:14:56,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:14:56,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 14:14:56,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:14:56,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-12-13 14:14:56,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:14:56,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2022-12-13 14:14:56,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:14:56,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2022-12-13 14:14:56,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:14:56,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2022-12-13 14:14:56,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:14:56,548 INFO L134 CoverageAnalysis]: Checked inductivity of 582 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 567 trivial. 0 not checked. [2022-12-13 14:14:56,548 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 14:14:56,548 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [795078767] [2022-12-13 14:14:56,548 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [795078767] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 14:14:56,548 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 14:14:56,548 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-13 14:14:56,548 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1531473344] [2022-12-13 14:14:56,548 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 14:14:56,549 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-13 14:14:56,549 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 14:14:56,549 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-13 14:14:56,549 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-13 14:14:56,549 INFO L87 Difference]: Start difference. First operand 20728 states and 28552 transitions. Second operand has 4 states, 4 states have (on average 27.0) internal successors, (108), 3 states have internal predecessors, (108), 3 states have call successors, (29), 3 states have call predecessors, (29), 1 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) [2022-12-13 14:15:01,645 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 14:15:01,645 INFO L93 Difference]: Finished difference Result 47682 states and 65972 transitions. [2022-12-13 14:15:01,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-13 14:15:01,646 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 27.0) internal successors, (108), 3 states have internal predecessors, (108), 3 states have call successors, (29), 3 states have call predecessors, (29), 1 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) Word has length 266 [2022-12-13 14:15:01,646 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 14:15:01,714 INFO L225 Difference]: With dead ends: 47682 [2022-12-13 14:15:01,714 INFO L226 Difference]: Without dead ends: 26953 [2022-12-13 14:15:01,752 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 74 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 14:15:01,752 INFO L413 NwaCegarLoop]: 2436 mSDtfsCounter, 2047 mSDsluCounter, 2607 mSDsCounter, 0 mSdLazyCounter, 3062 mSolverCounterSat, 738 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2359 SdHoareTripleChecker+Valid, 5043 SdHoareTripleChecker+Invalid, 3800 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 738 IncrementalHoareTripleChecker+Valid, 3062 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.3s IncrementalHoareTripleChecker+Time [2022-12-13 14:15:01,753 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2359 Valid, 5043 Invalid, 3800 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [738 Valid, 3062 Invalid, 0 Unknown, 0 Unchecked, 3.3s Time] [2022-12-13 14:15:01,771 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26953 states. [2022-12-13 14:15:03,041 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26953 to 25744. [2022-12-13 14:15:03,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25744 states, 17867 states have (on average 1.2731292326635697) internal successors, (22747), 18358 states have internal predecessors, (22747), 6348 states have call successors, (6348), 1530 states have call predecessors, (6348), 1527 states have return successors, (6351), 6315 states have call predecessors, (6351), 6348 states have call successors, (6351) [2022-12-13 14:15:03,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25744 states to 25744 states and 35446 transitions. [2022-12-13 14:15:03,123 INFO L78 Accepts]: Start accepts. Automaton has 25744 states and 35446 transitions. Word has length 266 [2022-12-13 14:15:03,123 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 14:15:03,123 INFO L495 AbstractCegarLoop]: Abstraction has 25744 states and 35446 transitions. [2022-12-13 14:15:03,123 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 27.0) internal successors, (108), 3 states have internal predecessors, (108), 3 states have call successors, (29), 3 states have call predecessors, (29), 1 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) [2022-12-13 14:15:03,123 INFO L276 IsEmpty]: Start isEmpty. Operand 25744 states and 35446 transitions. [2022-12-13 14:15:03,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 267 [2022-12-13 14:15:03,132 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 14:15:03,132 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 8, 8, 8, 8, 8, 8, 8, 8, 8, 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] [2022-12-13 14:15:03,132 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-12-13 14:15:03,132 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-12-13 14:15:03,132 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 14:15:03,132 INFO L85 PathProgramCache]: Analyzing trace with hash 1524146058, now seen corresponding path program 1 times [2022-12-13 14:15:03,133 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 14:15:03,133 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1542674884] [2022-12-13 14:15:03,133 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 14:15:03,133 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 14:15:03,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:15:03,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-12-13 14:15:03,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:15:03,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:15:03,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:15:03,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-12-13 14:15:03,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:15:03,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:15:03,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:15:03,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-12-13 14:15:03,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:15:03,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:15:03,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:15:03,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-12-13 14:15:03,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:15:03,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:15:03,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:15:03,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-12-13 14:15:03,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:15:03,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:15:03,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:15:03,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-12-13 14:15:03,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:15:03,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:15:03,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:15:03,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-12-13 14:15:03,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:15:03,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:15:03,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:15:03,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-12-13 14:15:03,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:15:03,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:15:03,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:15:03,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-12-13 14:15:03,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:15:03,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2022-12-13 14:15:03,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:15:03,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-12-13 14:15:03,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:15:03,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2022-12-13 14:15:03,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:15:03,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2022-12-13 14:15:03,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:15:03,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2022-12-13 14:15:03,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:15:03,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:15:03,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:15:03,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2022-12-13 14:15:03,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:15:03,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-12-13 14:15:03,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:15:03,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2022-12-13 14:15:03,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:15:03,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:15:03,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:15:03,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 14:15:03,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:15:03,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-12-13 14:15:03,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:15:03,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2022-12-13 14:15:03,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:15:03,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:15:03,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:15:03,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 14:15:03,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:15:03,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-12-13 14:15:03,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:15:03,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2022-12-13 14:15:03,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:15:03,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2022-12-13 14:15:03,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:15:03,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2022-12-13 14:15:03,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:15:03,406 INFO L134 CoverageAnalysis]: Checked inductivity of 582 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 567 trivial. 0 not checked. [2022-12-13 14:15:03,406 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 14:15:03,407 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1542674884] [2022-12-13 14:15:03,407 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1542674884] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 14:15:03,407 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 14:15:03,407 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-13 14:15:03,407 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [205913228] [2022-12-13 14:15:03,407 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 14:15:03,407 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-13 14:15:03,407 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 14:15:03,408 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-13 14:15:03,408 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-13 14:15:03,408 INFO L87 Difference]: Start difference. First operand 25744 states and 35446 transitions. Second operand has 4 states, 4 states have (on average 27.0) internal successors, (108), 3 states have internal predecessors, (108), 3 states have call successors, (29), 3 states have call predecessors, (29), 1 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) [2022-12-13 14:15:08,054 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 14:15:08,054 INFO L93 Difference]: Finished difference Result 58632 states and 81033 transitions. [2022-12-13 14:15:08,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-13 14:15:08,055 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 27.0) internal successors, (108), 3 states have internal predecessors, (108), 3 states have call successors, (29), 3 states have call predecessors, (29), 1 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) Word has length 266 [2022-12-13 14:15:08,056 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 14:15:08,144 INFO L225 Difference]: With dead ends: 58632 [2022-12-13 14:15:08,144 INFO L226 Difference]: Without dead ends: 33656 [2022-12-13 14:15:08,192 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 74 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 14:15:08,192 INFO L413 NwaCegarLoop]: 2445 mSDtfsCounter, 2344 mSDsluCounter, 2359 mSDsCounter, 0 mSdLazyCounter, 2957 mSolverCounterSat, 794 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2705 SdHoareTripleChecker+Valid, 4804 SdHoareTripleChecker+Invalid, 3751 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 794 IncrementalHoareTripleChecker+Valid, 2957 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.0s IncrementalHoareTripleChecker+Time [2022-12-13 14:15:08,193 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2705 Valid, 4804 Invalid, 3751 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [794 Valid, 2957 Invalid, 0 Unknown, 0 Unchecked, 3.0s Time] [2022-12-13 14:15:08,216 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33656 states. [2022-12-13 14:15:09,801 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33656 to 32069. [2022-12-13 14:15:09,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32069 states, 22290 states have (on average 1.272768057424854) internal successors, (28370), 22894 states have internal predecessors, (28370), 7860 states have call successors, (7860), 1920 states have call predecessors, (7860), 1917 states have return successors, (7863), 7825 states have call predecessors, (7863), 7860 states have call successors, (7863) [2022-12-13 14:15:09,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32069 states to 32069 states and 44093 transitions. [2022-12-13 14:15:09,903 INFO L78 Accepts]: Start accepts. Automaton has 32069 states and 44093 transitions. Word has length 266 [2022-12-13 14:15:09,903 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 14:15:09,903 INFO L495 AbstractCegarLoop]: Abstraction has 32069 states and 44093 transitions. [2022-12-13 14:15:09,903 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 27.0) internal successors, (108), 3 states have internal predecessors, (108), 3 states have call successors, (29), 3 states have call predecessors, (29), 1 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) [2022-12-13 14:15:09,903 INFO L276 IsEmpty]: Start isEmpty. Operand 32069 states and 44093 transitions. [2022-12-13 14:15:09,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 322 [2022-12-13 14:15:09,918 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 14:15:09,919 INFO L195 NwaCegarLoop]: trace histogram [16, 16, 10, 10, 10, 8, 8, 8, 8, 8, 8, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:15:09,919 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-12-13 14:15:09,919 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-12-13 14:15:09,919 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 14:15:09,920 INFO L85 PathProgramCache]: Analyzing trace with hash -1114780042, now seen corresponding path program 1 times [2022-12-13 14:15:09,920 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 14:15:09,920 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [724194949] [2022-12-13 14:15:09,920 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 14:15:09,920 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 14:15:09,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:15:10,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-12-13 14:15:10,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:15:10,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:15:10,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:15:10,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-12-13 14:15:10,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:15:10,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:15:10,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:15:10,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-12-13 14:15:10,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:15:10,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:15:10,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:15:10,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-12-13 14:15:10,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:15:10,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:15:10,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:15:10,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-12-13 14:15:10,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:15:10,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:15:10,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:15:10,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-12-13 14:15:10,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:15:10,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:15:10,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:15:10,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-12-13 14:15:10,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:15:10,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:15:10,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:15:10,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-12-13 14:15:10,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:15:10,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:15:10,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:15:10,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-12-13 14:15:10,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:15:10,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2022-12-13 14:15:10,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:15:10,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-12-13 14:15:10,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:15:10,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2022-12-13 14:15:10,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:15:10,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2022-12-13 14:15:10,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:15:10,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2022-12-13 14:15:10,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:15:10,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:15:10,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:15:10,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2022-12-13 14:15:10,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:15:10,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-12-13 14:15:10,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:15:10,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2022-12-13 14:15:10,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:15:10,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:15:10,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:15:10,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 14:15:10,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:15:10,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-12-13 14:15:10,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:15:10,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2022-12-13 14:15:10,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:15:10,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:15:10,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:15:10,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 14:15:10,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:15:10,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-12-13 14:15:10,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:15:10,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2022-12-13 14:15:10,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:15:10,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2022-12-13 14:15:10,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:15:10,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2022-12-13 14:15:10,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:15:10,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2022-12-13 14:15:10,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:15:10,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:15:10,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:15:10,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2022-12-13 14:15:10,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:15:10,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 286 [2022-12-13 14:15:10,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:15:10,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 310 [2022-12-13 14:15:10,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:15:10,225 INFO L134 CoverageAnalysis]: Checked inductivity of 779 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 751 trivial. 0 not checked. [2022-12-13 14:15:10,225 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 14:15:10,225 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [724194949] [2022-12-13 14:15:10,225 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [724194949] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 14:15:10,225 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 14:15:10,225 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-13 14:15:10,226 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1656271339] [2022-12-13 14:15:10,226 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 14:15:10,226 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-13 14:15:10,226 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 14:15:10,226 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-13 14:15:10,226 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-13 14:15:10,227 INFO L87 Difference]: Start difference. First operand 32069 states and 44093 transitions. Second operand has 4 states, 4 states have (on average 30.25) internal successors, (121), 3 states have internal predecessors, (121), 3 states have call successors, (32), 3 states have call predecessors, (32), 1 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) [2022-12-13 14:15:15,134 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 14:15:15,134 INFO L93 Difference]: Finished difference Result 70976 states and 98012 transitions. [2022-12-13 14:15:15,135 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-13 14:15:15,135 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 30.25) internal successors, (121), 3 states have internal predecessors, (121), 3 states have call successors, (32), 3 states have call predecessors, (32), 1 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) Word has length 321 [2022-12-13 14:15:15,135 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 14:15:15,266 INFO L225 Difference]: With dead ends: 70976 [2022-12-13 14:15:15,267 INFO L226 Difference]: Without dead ends: 39675 [2022-12-13 14:15:15,338 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 84 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 14:15:15,339 INFO L413 NwaCegarLoop]: 2307 mSDtfsCounter, 2046 mSDsluCounter, 2503 mSDsCounter, 0 mSdLazyCounter, 3062 mSolverCounterSat, 763 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2360 SdHoareTripleChecker+Valid, 4810 SdHoareTripleChecker+Invalid, 3825 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 763 IncrementalHoareTripleChecker+Valid, 3062 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2022-12-13 14:15:15,339 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2360 Valid, 4810 Invalid, 3825 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [763 Valid, 3062 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2022-12-13 14:15:15,374 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39675 states. [2022-12-13 14:15:17,079 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39675 to 37818. [2022-12-13 14:15:17,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 37818 states, 26314 states have (on average 1.2739226267386183) internal successors, (33522), 27025 states have internal predecessors, (33522), 9246 states have call successors, (9246), 2259 states have call predecessors, (9246), 2256 states have return successors, (9249), 9209 states have call predecessors, (9249), 9246 states have call successors, (9249) [2022-12-13 14:15:17,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37818 states to 37818 states and 52017 transitions. [2022-12-13 14:15:17,199 INFO L78 Accepts]: Start accepts. Automaton has 37818 states and 52017 transitions. Word has length 321 [2022-12-13 14:15:17,199 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 14:15:17,199 INFO L495 AbstractCegarLoop]: Abstraction has 37818 states and 52017 transitions. [2022-12-13 14:15:17,199 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 30.25) internal successors, (121), 3 states have internal predecessors, (121), 3 states have call successors, (32), 3 states have call predecessors, (32), 1 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) [2022-12-13 14:15:17,200 INFO L276 IsEmpty]: Start isEmpty. Operand 37818 states and 52017 transitions. [2022-12-13 14:15:17,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 322 [2022-12-13 14:15:17,215 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 14:15:17,215 INFO L195 NwaCegarLoop]: trace histogram [16, 16, 10, 10, 10, 8, 8, 8, 8, 8, 8, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:15:17,215 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-12-13 14:15:17,215 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-12-13 14:15:17,216 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 14:15:17,216 INFO L85 PathProgramCache]: Analyzing trace with hash -455248520, now seen corresponding path program 1 times [2022-12-13 14:15:17,216 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 14:15:17,216 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [328951436] [2022-12-13 14:15:17,216 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 14:15:17,216 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 14:15:17,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:15:17,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-12-13 14:15:17,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:15:17,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:15:17,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:15:17,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-12-13 14:15:17,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:15:17,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:15:17,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:15:17,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-12-13 14:15:17,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:15:17,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:15:17,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:15:17,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-12-13 14:15:17,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:15:17,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:15:17,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:15:17,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-12-13 14:15:17,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:15:17,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:15:17,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:15:17,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-12-13 14:15:17,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:15:17,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:15:17,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:15:17,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-12-13 14:15:17,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:15:17,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:15:17,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:15:17,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-12-13 14:15:17,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:15:17,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:15:17,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:15:17,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-12-13 14:15:17,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:15:17,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2022-12-13 14:15:17,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:15:17,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-12-13 14:15:17,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:15:17,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2022-12-13 14:15:17,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:15:17,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2022-12-13 14:15:17,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:15:17,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2022-12-13 14:15:17,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:15:17,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:15:17,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:15:17,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2022-12-13 14:15:17,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:15:17,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-12-13 14:15:17,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:15:17,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2022-12-13 14:15:17,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:15:17,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:15:17,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:15:17,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 14:15:17,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:15:17,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-12-13 14:15:17,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:15:17,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2022-12-13 14:15:17,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:15:17,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:15:17,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:15:17,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 14:15:17,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:15:17,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-12-13 14:15:17,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:15:17,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2022-12-13 14:15:17,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:15:17,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2022-12-13 14:15:17,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:15:17,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2022-12-13 14:15:17,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:15:17,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2022-12-13 14:15:17,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:15:17,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:15:17,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:15:17,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2022-12-13 14:15:17,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:15:17,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 286 [2022-12-13 14:15:17,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:15:17,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 310 [2022-12-13 14:15:17,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:15:17,494 INFO L134 CoverageAnalysis]: Checked inductivity of 779 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 751 trivial. 0 not checked. [2022-12-13 14:15:17,495 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 14:15:17,495 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [328951436] [2022-12-13 14:15:17,495 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [328951436] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 14:15:17,495 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 14:15:17,495 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-13 14:15:17,495 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [72264980] [2022-12-13 14:15:17,495 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 14:15:17,496 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-13 14:15:17,496 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 14:15:17,497 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-13 14:15:17,497 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-13 14:15:17,497 INFO L87 Difference]: Start difference. First operand 37818 states and 52017 transitions. Second operand has 4 states, 4 states have (on average 30.25) internal successors, (121), 3 states have internal predecessors, (121), 3 states have call successors, (32), 3 states have call predecessors, (32), 1 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) [2022-12-13 14:15:22,992 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 14:15:22,992 INFO L93 Difference]: Finished difference Result 82816 states and 114370 transitions. [2022-12-13 14:15:22,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-13 14:15:22,993 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 30.25) internal successors, (121), 3 states have internal predecessors, (121), 3 states have call successors, (32), 3 states have call predecessors, (32), 1 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) Word has length 321 [2022-12-13 14:15:22,993 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 14:15:23,120 INFO L225 Difference]: With dead ends: 82816 [2022-12-13 14:15:23,121 INFO L226 Difference]: Without dead ends: 45766 [2022-12-13 14:15:23,193 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 84 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 14:15:23,194 INFO L413 NwaCegarLoop]: 2439 mSDtfsCounter, 2061 mSDsluCounter, 2605 mSDsCounter, 0 mSdLazyCounter, 3068 mSolverCounterSat, 741 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2377 SdHoareTripleChecker+Valid, 5044 SdHoareTripleChecker+Invalid, 3809 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 741 IncrementalHoareTripleChecker+Valid, 3068 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2022-12-13 14:15:23,194 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2377 Valid, 5044 Invalid, 3809 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [741 Valid, 3068 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2022-12-13 14:15:23,227 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45766 states. [2022-12-13 14:15:25,185 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45766 to 43639. [2022-12-13 14:15:25,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 43639 states, 30398 states have (on average 1.2746233304822685) internal successors, (38746), 31216 states have internal predecessors, (38746), 10638 states have call successors, (10638), 2604 states have call predecessors, (10638), 2601 states have return successors, (10641), 10599 states have call predecessors, (10641), 10638 states have call successors, (10641) [2022-12-13 14:15:25,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43639 states to 43639 states and 60025 transitions. [2022-12-13 14:15:25,324 INFO L78 Accepts]: Start accepts. Automaton has 43639 states and 60025 transitions. Word has length 321 [2022-12-13 14:15:25,325 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 14:15:25,325 INFO L495 AbstractCegarLoop]: Abstraction has 43639 states and 60025 transitions. [2022-12-13 14:15:25,325 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 30.25) internal successors, (121), 3 states have internal predecessors, (121), 3 states have call successors, (32), 3 states have call predecessors, (32), 1 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) [2022-12-13 14:15:25,325 INFO L276 IsEmpty]: Start isEmpty. Operand 43639 states and 60025 transitions. [2022-12-13 14:15:25,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 363 [2022-12-13 14:15:25,348 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 14:15:25,348 INFO L195 NwaCegarLoop]: trace histogram [18, 18, 11, 11, 11, 8, 8, 8, 8, 8, 8, 5, 5, 5, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:15:25,348 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-12-13 14:15:25,348 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-12-13 14:15:25,348 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 14:15:25,349 INFO L85 PathProgramCache]: Analyzing trace with hash 475446650, now seen corresponding path program 1 times [2022-12-13 14:15:25,349 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 14:15:25,349 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1062010093] [2022-12-13 14:15:25,349 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 14:15:25,349 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 14:15:25,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:15:25,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-12-13 14:15:25,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:15:25,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:15:25,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:15:25,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-12-13 14:15:25,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:15:25,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:15:25,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:15:25,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-12-13 14:15:25,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:15:25,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:15:25,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:15:25,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-12-13 14:15:25,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:15:25,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:15:25,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:15:25,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-12-13 14:15:25,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:15:25,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:15:25,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:15:25,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-12-13 14:15:25,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:15:25,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:15:25,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:15:25,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-12-13 14:15:25,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:15:25,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:15:25,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:15:25,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-12-13 14:15:25,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:15:25,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:15:25,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:15:25,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-12-13 14:15:25,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:15:25,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2022-12-13 14:15:25,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:15:25,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-12-13 14:15:25,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:15:25,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2022-12-13 14:15:25,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:15:25,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2022-12-13 14:15:25,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:15:25,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2022-12-13 14:15:25,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:15:25,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:15:25,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:15:25,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2022-12-13 14:15:25,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:15:25,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-12-13 14:15:25,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:15:25,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2022-12-13 14:15:25,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:15:25,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:15:25,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:15:25,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 14:15:25,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:15:25,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-12-13 14:15:25,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:15:25,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2022-12-13 14:15:25,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:15:25,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:15:25,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:15:25,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 14:15:25,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:15:25,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-12-13 14:15:25,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:15:25,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2022-12-13 14:15:25,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:15:25,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2022-12-13 14:15:25,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:15:25,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2022-12-13 14:15:25,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:15:25,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2022-12-13 14:15:25,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:15:25,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:15:25,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:15:25,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2022-12-13 14:15:25,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:15:25,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 286 [2022-12-13 14:15:25,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:15:25,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 309 [2022-12-13 14:15:25,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:15:25,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 314 [2022-12-13 14:15:25,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:15:25,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:15:25,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:15:25,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 327 [2022-12-13 14:15:25,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:15:25,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 351 [2022-12-13 14:15:25,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:15:25,686 INFO L134 CoverageAnalysis]: Checked inductivity of 975 backedges. 41 proven. 0 refuted. 0 times theorem prover too weak. 934 trivial. 0 not checked. [2022-12-13 14:15:25,686 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 14:15:25,687 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1062010093] [2022-12-13 14:15:25,687 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1062010093] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 14:15:25,687 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 14:15:25,687 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-12-13 14:15:25,687 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [764044756] [2022-12-13 14:15:25,687 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 14:15:25,688 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-13 14:15:25,688 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 14:15:25,689 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 14:15:25,689 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-12-13 14:15:25,689 INFO L87 Difference]: Start difference. First operand 43639 states and 60025 transitions. Second operand has 6 states, 6 states have (on average 21.333333333333332) internal successors, (128), 4 states have internal predecessors, (128), 3 states have call successors, (35), 3 states have call predecessors, (35), 2 states have return successors, (31), 4 states have call predecessors, (31), 3 states have call successors, (31) [2022-12-13 14:15:32,688 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 14:15:32,689 INFO L93 Difference]: Finished difference Result 95238 states and 131422 transitions. [2022-12-13 14:15:32,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-13 14:15:32,689 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 21.333333333333332) internal successors, (128), 4 states have internal predecessors, (128), 3 states have call successors, (35), 3 states have call predecessors, (35), 2 states have return successors, (31), 4 states have call predecessors, (31), 3 states have call successors, (31) Word has length 362 [2022-12-13 14:15:32,690 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 14:15:32,855 INFO L225 Difference]: With dead ends: 95238 [2022-12-13 14:15:32,855 INFO L226 Difference]: Without dead ends: 52367 [2022-12-13 14:15:32,954 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 92 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2022-12-13 14:15:32,955 INFO L413 NwaCegarLoop]: 2385 mSDtfsCounter, 2151 mSDsluCounter, 6553 mSDsCounter, 0 mSdLazyCounter, 6875 mSolverCounterSat, 787 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2465 SdHoareTripleChecker+Valid, 8938 SdHoareTripleChecker+Invalid, 7662 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 787 IncrementalHoareTripleChecker+Valid, 6875 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.1s IncrementalHoareTripleChecker+Time [2022-12-13 14:15:32,955 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2465 Valid, 8938 Invalid, 7662 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [787 Valid, 6875 Invalid, 0 Unknown, 0 Unchecked, 4.1s Time] [2022-12-13 14:15:32,994 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52367 states. [2022-12-13 14:15:35,245 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52367 to 49901. [2022-12-13 14:15:35,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 49901 states, 34737 states have (on average 1.2742608745717823) internal successors, (44264), 35674 states have internal predecessors, (44264), 12165 states have call successors, (12165), 2997 states have call predecessors, (12165), 2997 states have return successors, (12174), 12127 states have call predecessors, (12174), 12165 states have call successors, (12174) [2022-12-13 14:15:35,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49901 states to 49901 states and 68603 transitions. [2022-12-13 14:15:35,421 INFO L78 Accepts]: Start accepts. Automaton has 49901 states and 68603 transitions. Word has length 362 [2022-12-13 14:15:35,421 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 14:15:35,421 INFO L495 AbstractCegarLoop]: Abstraction has 49901 states and 68603 transitions. [2022-12-13 14:15:35,422 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 21.333333333333332) internal successors, (128), 4 states have internal predecessors, (128), 3 states have call successors, (35), 3 states have call predecessors, (35), 2 states have return successors, (31), 4 states have call predecessors, (31), 3 states have call successors, (31) [2022-12-13 14:15:35,422 INFO L276 IsEmpty]: Start isEmpty. Operand 49901 states and 68603 transitions. [2022-12-13 14:15:35,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 364 [2022-12-13 14:15:35,444 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 14:15:35,444 INFO L195 NwaCegarLoop]: trace histogram [18, 18, 11, 11, 11, 8, 8, 8, 8, 8, 8, 5, 5, 5, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:15:35,444 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-12-13 14:15:35,444 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-12-13 14:15:35,445 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 14:15:35,445 INFO L85 PathProgramCache]: Analyzing trace with hash -1054110053, now seen corresponding path program 1 times [2022-12-13 14:15:35,445 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 14:15:35,445 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2115499624] [2022-12-13 14:15:35,445 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 14:15:35,445 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 14:15:35,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:15:35,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-12-13 14:15:35,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:15:35,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:15:35,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:15:35,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-12-13 14:15:35,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:15:35,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:15:35,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:15:35,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-12-13 14:15:35,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:15:35,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:15:35,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:15:35,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-12-13 14:15:35,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:15:35,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:15:35,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:15:35,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-12-13 14:15:35,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:15:35,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:15:35,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:15:35,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-12-13 14:15:35,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:15:35,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:15:35,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:15:35,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-12-13 14:15:35,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:15:35,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:15:35,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:15:35,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-12-13 14:15:35,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:15:35,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:15:35,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:15:35,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-12-13 14:15:35,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:15:35,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2022-12-13 14:15:35,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:15:35,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-12-13 14:15:35,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:15:35,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2022-12-13 14:15:35,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:15:35,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2022-12-13 14:15:35,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:15:35,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2022-12-13 14:15:35,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:15:35,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:15:35,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:15:35,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2022-12-13 14:15:35,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:15:35,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-12-13 14:15:35,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:15:35,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2022-12-13 14:15:35,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:15:35,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:15:35,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:15:35,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 14:15:35,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:15:35,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-12-13 14:15:35,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:15:35,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2022-12-13 14:15:35,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:15:35,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:15:35,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:15:35,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 14:15:35,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:15:35,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-12-13 14:15:35,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:15:35,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2022-12-13 14:15:35,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:15:35,715 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2022-12-13 14:15:35,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:15:35,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2022-12-13 14:15:35,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:15:35,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2022-12-13 14:15:35,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:15:35,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:15:35,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:15:35,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2022-12-13 14:15:35,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:15:35,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 286 [2022-12-13 14:15:35,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:15:35,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 309 [2022-12-13 14:15:35,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:15:35,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 314 [2022-12-13 14:15:35,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:15:35,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:15:35,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:15:35,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 328 [2022-12-13 14:15:35,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:15:35,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 352 [2022-12-13 14:15:35,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:15:35,760 INFO L134 CoverageAnalysis]: Checked inductivity of 975 backedges. 41 proven. 0 refuted. 0 times theorem prover too weak. 934 trivial. 0 not checked. [2022-12-13 14:15:35,760 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 14:15:35,760 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2115499624] [2022-12-13 14:15:35,760 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2115499624] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 14:15:35,760 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 14:15:35,760 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-12-13 14:15:35,761 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1177122743] [2022-12-13 14:15:35,761 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 14:15:35,761 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-13 14:15:35,761 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 14:15:35,762 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 14:15:35,762 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-12-13 14:15:35,762 INFO L87 Difference]: Start difference. First operand 49901 states and 68603 transitions. Second operand has 6 states, 6 states have (on average 21.5) internal successors, (129), 4 states have internal predecessors, (129), 3 states have call successors, (35), 3 states have call predecessors, (35), 2 states have return successors, (31), 4 states have call predecessors, (31), 3 states have call successors, (31) [2022-12-13 14:15:43,168 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 14:15:43,168 INFO L93 Difference]: Finished difference Result 107591 states and 148440 transitions. [2022-12-13 14:15:43,169 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-13 14:15:43,169 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 21.5) internal successors, (129), 4 states have internal predecessors, (129), 3 states have call successors, (35), 3 states have call predecessors, (35), 2 states have return successors, (31), 4 states have call predecessors, (31), 3 states have call successors, (31) Word has length 363 [2022-12-13 14:15:43,169 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 14:15:43,326 INFO L225 Difference]: With dead ends: 107591 [2022-12-13 14:15:43,326 INFO L226 Difference]: Without dead ends: 58458 [2022-12-13 14:15:43,411 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 92 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2022-12-13 14:15:43,412 INFO L413 NwaCegarLoop]: 2429 mSDtfsCounter, 2052 mSDsluCounter, 6686 mSDsCounter, 0 mSdLazyCounter, 6852 mSolverCounterSat, 736 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2368 SdHoareTripleChecker+Valid, 9115 SdHoareTripleChecker+Invalid, 7588 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 736 IncrementalHoareTripleChecker+Valid, 6852 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.4s IncrementalHoareTripleChecker+Time [2022-12-13 14:15:43,412 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2368 Valid, 9115 Invalid, 7588 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [736 Valid, 6852 Invalid, 0 Unknown, 0 Unchecked, 4.4s Time] [2022-12-13 14:15:43,455 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58458 states. [2022-12-13 14:15:46,013 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58458 to 55722. [2022-12-13 14:15:46,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 55722 states, 38797 states have (on average 1.2746346366987138) internal successors, (49452), 39841 states have internal predecessors, (49452), 13563 states have call successors, (13563), 3354 states have call predecessors, (13563), 3360 states have return successors, (13578), 13529 states have call predecessors, (13578), 13563 states have call successors, (13578) [2022-12-13 14:15:46,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55722 states to 55722 states and 76593 transitions. [2022-12-13 14:15:46,199 INFO L78 Accepts]: Start accepts. Automaton has 55722 states and 76593 transitions. Word has length 363 [2022-12-13 14:15:46,200 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 14:15:46,200 INFO L495 AbstractCegarLoop]: Abstraction has 55722 states and 76593 transitions. [2022-12-13 14:15:46,200 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 21.5) internal successors, (129), 4 states have internal predecessors, (129), 3 states have call successors, (35), 3 states have call predecessors, (35), 2 states have return successors, (31), 4 states have call predecessors, (31), 3 states have call successors, (31) [2022-12-13 14:15:46,200 INFO L276 IsEmpty]: Start isEmpty. Operand 55722 states and 76593 transitions. [2022-12-13 14:15:46,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 365 [2022-12-13 14:15:46,221 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 14:15:46,221 INFO L195 NwaCegarLoop]: trace histogram [18, 18, 11, 11, 11, 8, 8, 8, 8, 8, 8, 5, 5, 5, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:15:46,222 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-12-13 14:15:46,222 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-12-13 14:15:46,222 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 14:15:46,222 INFO L85 PathProgramCache]: Analyzing trace with hash 1083145853, now seen corresponding path program 1 times [2022-12-13 14:15:46,222 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 14:15:46,222 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2111176279] [2022-12-13 14:15:46,222 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 14:15:46,222 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 14:15:46,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:15:46,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-12-13 14:15:46,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:15:46,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:15:46,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:15:46,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-12-13 14:15:46,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:15:46,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:15:46,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:15:46,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-12-13 14:15:46,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:15:46,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:15:46,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:15:46,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-12-13 14:15:46,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:15:46,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:15:46,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:15:46,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-12-13 14:15:46,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:15:46,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:15:46,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:15:46,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-12-13 14:15:46,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:15:46,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:15:46,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:15:46,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-12-13 14:15:46,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:15:46,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:15:46,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:15:46,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-12-13 14:15:46,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:15:46,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:15:46,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:15:46,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-12-13 14:15:46,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:15:46,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2022-12-13 14:15:46,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:15:46,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-12-13 14:15:46,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:15:46,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2022-12-13 14:15:46,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:15:46,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2022-12-13 14:15:46,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:15:46,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2022-12-13 14:15:46,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:15:46,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:15:46,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:15:46,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2022-12-13 14:15:46,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:15:46,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-12-13 14:15:46,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:15:46,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2022-12-13 14:15:46,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:15:46,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:15:46,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:15:46,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 14:15:46,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:15:46,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-12-13 14:15:46,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:15:46,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2022-12-13 14:15:46,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:15:46,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:15:46,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:15:46,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 14:15:46,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:15:46,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-12-13 14:15:46,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:15:46,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2022-12-13 14:15:46,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:15:46,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2022-12-13 14:15:46,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:15:46,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2022-12-13 14:15:46,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:15:46,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2022-12-13 14:15:46,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:15:46,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:15:46,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:15:46,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2022-12-13 14:15:46,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:15:46,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 286 [2022-12-13 14:15:46,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:15:46,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 309 [2022-12-13 14:15:46,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:15:46,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 314 [2022-12-13 14:15:46,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:15:46,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:15:46,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:15:46,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2022-12-13 14:15:46,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:15:46,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 353 [2022-12-13 14:15:46,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:15:46,539 INFO L134 CoverageAnalysis]: Checked inductivity of 975 backedges. 41 proven. 0 refuted. 0 times theorem prover too weak. 934 trivial. 0 not checked. [2022-12-13 14:15:46,539 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 14:15:46,539 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2111176279] [2022-12-13 14:15:46,539 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2111176279] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 14:15:46,540 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 14:15:46,540 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-12-13 14:15:46,540 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1736351130] [2022-12-13 14:15:46,540 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 14:15:46,540 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-13 14:15:46,540 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 14:15:46,541 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 14:15:46,541 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-12-13 14:15:46,541 INFO L87 Difference]: Start difference. First operand 55722 states and 76593 transitions. Second operand has 6 states, 6 states have (on average 21.666666666666668) internal successors, (130), 4 states have internal predecessors, (130), 3 states have call successors, (35), 3 states have call predecessors, (35), 2 states have return successors, (31), 4 states have call predecessors, (31), 3 states have call successors, (31) [2022-12-13 14:15:55,228 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 14:15:55,228 INFO L93 Difference]: Finished difference Result 119419 states and 164774 transitions. [2022-12-13 14:15:55,229 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-13 14:15:55,229 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 21.666666666666668) internal successors, (130), 4 states have internal predecessors, (130), 3 states have call successors, (35), 3 states have call predecessors, (35), 2 states have return successors, (31), 4 states have call predecessors, (31), 3 states have call successors, (31) Word has length 364 [2022-12-13 14:15:55,229 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 14:15:55,463 INFO L225 Difference]: With dead ends: 119419 [2022-12-13 14:15:55,463 INFO L226 Difference]: Without dead ends: 64465 [2022-12-13 14:15:55,560 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 92 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2022-12-13 14:15:55,560 INFO L413 NwaCegarLoop]: 2445 mSDtfsCounter, 2034 mSDsluCounter, 6737 mSDsCounter, 0 mSdLazyCounter, 6850 mSolverCounterSat, 734 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2347 SdHoareTripleChecker+Valid, 9182 SdHoareTripleChecker+Invalid, 7584 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 734 IncrementalHoareTripleChecker+Valid, 6850 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.9s IncrementalHoareTripleChecker+Time [2022-12-13 14:15:55,560 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2347 Valid, 9182 Invalid, 7584 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [734 Valid, 6850 Invalid, 0 Unknown, 0 Unchecked, 4.9s Time] [2022-12-13 14:15:55,600 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64465 states. [2022-12-13 14:15:59,619 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64465 to 61459. [2022-12-13 14:15:59,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 61459 states, 42809 states have (on average 1.2752458595155225) internal successors, (54592), 43960 states have internal predecessors, (54592), 14949 states have call successors, (14949), 3693 states have call predecessors, (14949), 3699 states have return successors, (14964), 14913 states have call predecessors, (14964), 14949 states have call successors, (14964) [2022-12-13 14:15:59,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61459 states to 61459 states and 84505 transitions. [2022-12-13 14:15:59,811 INFO L78 Accepts]: Start accepts. Automaton has 61459 states and 84505 transitions. Word has length 364 [2022-12-13 14:15:59,811 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 14:15:59,811 INFO L495 AbstractCegarLoop]: Abstraction has 61459 states and 84505 transitions. [2022-12-13 14:15:59,811 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 21.666666666666668) internal successors, (130), 4 states have internal predecessors, (130), 3 states have call successors, (35), 3 states have call predecessors, (35), 2 states have return successors, (31), 4 states have call predecessors, (31), 3 states have call successors, (31) [2022-12-13 14:15:59,811 INFO L276 IsEmpty]: Start isEmpty. Operand 61459 states and 84505 transitions. [2022-12-13 14:15:59,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 380 [2022-12-13 14:15:59,847 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 14:15:59,847 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 11, 11, 11, 8, 8, 8, 8, 8, 8, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:15:59,847 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-12-13 14:15:59,848 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-12-13 14:15:59,848 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 14:15:59,848 INFO L85 PathProgramCache]: Analyzing trace with hash -1492816313, now seen corresponding path program 1 times [2022-12-13 14:15:59,848 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 14:15:59,848 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1052633707] [2022-12-13 14:15:59,848 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 14:15:59,849 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 14:15:59,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:15:59,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-12-13 14:15:59,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:15:59,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:15:59,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:16:00,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-12-13 14:16:00,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:16:00,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:16:00,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:16:00,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-12-13 14:16:00,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:16:00,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:16:00,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:16:00,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-12-13 14:16:00,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:16:00,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:16:00,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:16:00,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-12-13 14:16:00,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:16:00,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:16:00,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:16:00,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-12-13 14:16:00,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:16:00,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:16:00,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:16:00,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-12-13 14:16:00,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:16:00,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:16:00,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:16:00,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-12-13 14:16:00,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:16:00,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:16:00,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:16:00,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-12-13 14:16:00,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:16:00,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2022-12-13 14:16:00,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:16:00,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-12-13 14:16:00,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:16:00,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2022-12-13 14:16:00,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:16:00,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2022-12-13 14:16:00,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:16:00,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2022-12-13 14:16:00,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:16:00,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:16:00,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:16:00,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2022-12-13 14:16:00,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:16:00,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-12-13 14:16:00,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:16:00,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2022-12-13 14:16:00,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:16:00,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:16:00,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:16:00,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 14:16:00,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:16:00,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-12-13 14:16:00,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:16:00,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2022-12-13 14:16:00,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:16:00,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:16:00,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:16:00,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 14:16:00,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:16:00,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-12-13 14:16:00,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:16:00,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2022-12-13 14:16:00,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:16:00,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2022-12-13 14:16:00,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:16:00,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2022-12-13 14:16:00,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:16:00,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2022-12-13 14:16:00,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:16:00,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:16:00,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:16:00,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2022-12-13 14:16:00,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:16:00,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 286 [2022-12-13 14:16:00,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:16:00,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 309 [2022-12-13 14:16:00,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:16:00,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 314 [2022-12-13 14:16:00,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:16:00,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:16:00,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:16:00,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 327 [2022-12-13 14:16:00,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:16:00,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2022-12-13 14:16:00,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:16:00,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 368 [2022-12-13 14:16:00,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:16:00,109 INFO L134 CoverageAnalysis]: Checked inductivity of 1075 backedges. 52 proven. 0 refuted. 0 times theorem prover too weak. 1023 trivial. 0 not checked. [2022-12-13 14:16:00,109 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 14:16:00,109 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1052633707] [2022-12-13 14:16:00,109 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1052633707] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 14:16:00,109 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 14:16:00,109 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-13 14:16:00,109 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1760880085] [2022-12-13 14:16:00,109 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 14:16:00,110 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-13 14:16:00,110 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 14:16:00,111 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-13 14:16:00,111 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-13 14:16:00,111 INFO L87 Difference]: Start difference. First operand 61459 states and 84505 transitions. Second operand has 4 states, 4 states have (on average 33.0) internal successors, (132), 3 states have internal predecessors, (132), 3 states have call successors, (35), 3 states have call predecessors, (35), 1 states have return successors, (31), 3 states have call predecessors, (31), 3 states have call successors, (31) [2022-12-13 14:16:06,530 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 14:16:06,530 INFO L93 Difference]: Finished difference Result 131394 states and 181276 transitions. [2022-12-13 14:16:06,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-13 14:16:06,531 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 33.0) internal successors, (132), 3 states have internal predecessors, (132), 3 states have call successors, (35), 3 states have call predecessors, (35), 1 states have return successors, (31), 3 states have call predecessors, (31), 3 states have call successors, (31) Word has length 379 [2022-12-13 14:16:06,531 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 14:16:06,774 INFO L225 Difference]: With dead ends: 131394 [2022-12-13 14:16:06,774 INFO L226 Difference]: Without dead ends: 70703 [2022-12-13 14:16:06,878 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 97 GetRequests, 94 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 14:16:06,879 INFO L413 NwaCegarLoop]: 2446 mSDtfsCounter, 2070 mSDsluCounter, 2604 mSDsCounter, 0 mSdLazyCounter, 3102 mSolverCounterSat, 749 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2385 SdHoareTripleChecker+Valid, 5050 SdHoareTripleChecker+Invalid, 3851 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 749 IncrementalHoareTripleChecker+Valid, 3102 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2022-12-13 14:16:06,879 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2385 Valid, 5050 Invalid, 3851 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [749 Valid, 3102 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2022-12-13 14:16:06,923 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 70703 states. [2022-12-13 14:16:10,098 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 70703 to 67439. [2022-12-13 14:16:10,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 67439 states, 46956 states have (on average 1.2755345429764033) internal successors, (59894), 48226 states have internal predecessors, (59894), 16416 states have call successors, (16416), 4059 states have call predecessors, (16416), 4065 states have return successors, (16431), 16378 states have call predecessors, (16431), 16416 states have call successors, (16431) [2022-12-13 14:16:10,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67439 states to 67439 states and 92741 transitions. [2022-12-13 14:16:10,361 INFO L78 Accepts]: Start accepts. Automaton has 67439 states and 92741 transitions. Word has length 379 [2022-12-13 14:16:10,361 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 14:16:10,361 INFO L495 AbstractCegarLoop]: Abstraction has 67439 states and 92741 transitions. [2022-12-13 14:16:10,361 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 33.0) internal successors, (132), 3 states have internal predecessors, (132), 3 states have call successors, (35), 3 states have call predecessors, (35), 1 states have return successors, (31), 3 states have call predecessors, (31), 3 states have call successors, (31) [2022-12-13 14:16:10,362 INFO L276 IsEmpty]: Start isEmpty. Operand 67439 states and 92741 transitions. [2022-12-13 14:16:10,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 387 [2022-12-13 14:16:10,389 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 14:16:10,389 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 11, 11, 11, 8, 8, 8, 8, 8, 8, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:16:10,389 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-12-13 14:16:10,389 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-12-13 14:16:10,389 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 14:16:10,390 INFO L85 PathProgramCache]: Analyzing trace with hash -355564964, now seen corresponding path program 1 times [2022-12-13 14:16:10,390 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 14:16:10,390 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [67102132] [2022-12-13 14:16:10,390 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 14:16:10,390 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 14:16:10,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:16:10,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-12-13 14:16:10,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:16:10,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:16:10,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:16:10,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-12-13 14:16:10,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:16:10,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:16:10,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:16:10,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-12-13 14:16:10,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:16:10,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:16:10,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:16:10,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-12-13 14:16:10,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:16:10,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:16:10,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:16:10,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-12-13 14:16:10,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:16:10,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:16:10,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:16:10,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-12-13 14:16:10,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:16:10,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:16:10,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:16:10,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-12-13 14:16:10,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:16:10,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:16:10,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:16:10,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-12-13 14:16:10,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:16:10,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:16:10,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:16:10,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-12-13 14:16:10,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:16:10,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2022-12-13 14:16:10,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:16:10,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-12-13 14:16:10,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:16:10,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2022-12-13 14:16:10,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:16:10,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2022-12-13 14:16:10,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:16:10,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2022-12-13 14:16:10,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:16:10,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:16:10,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:16:10,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2022-12-13 14:16:10,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:16:10,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-12-13 14:16:10,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:16:10,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2022-12-13 14:16:10,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:16:10,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:16:10,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:16:10,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 14:16:10,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:16:10,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-12-13 14:16:10,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:16:10,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2022-12-13 14:16:10,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:16:10,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:16:10,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:16:10,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 14:16:10,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:16:10,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-12-13 14:16:10,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:16:10,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2022-12-13 14:16:10,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:16:10,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2022-12-13 14:16:10,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:16:10,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2022-12-13 14:16:10,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:16:10,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2022-12-13 14:16:10,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:16:10,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:16:10,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:16:10,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2022-12-13 14:16:10,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:16:10,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 286 [2022-12-13 14:16:10,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:16:10,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 309 [2022-12-13 14:16:10,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:16:10,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 314 [2022-12-13 14:16:10,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:16:10,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:16:10,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:16:10,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2022-12-13 14:16:10,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:16:10,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 351 [2022-12-13 14:16:10,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:16:10,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 375 [2022-12-13 14:16:10,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:16:10,680 INFO L134 CoverageAnalysis]: Checked inductivity of 1098 backedges. 51 proven. 15 refuted. 0 times theorem prover too weak. 1032 trivial. 0 not checked. [2022-12-13 14:16:10,680 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 14:16:10,680 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [67102132] [2022-12-13 14:16:10,680 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [67102132] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 14:16:10,680 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [123138201] [2022-12-13 14:16:10,680 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 14:16:10,681 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 14:16:10,681 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b90a8d18-ed52-4b5c-af05-14f8b9cad860/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 14:16:10,682 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b90a8d18-ed52-4b5c-af05-14f8b9cad860/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 14:16:10,683 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b90a8d18-ed52-4b5c-af05-14f8b9cad860/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-12-13 14:16:11,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:16:11,142 INFO L263 TraceCheckSpWp]: Trace formula consists of 2629 conjuncts, 2 conjunts are in the unsatisfiable core [2022-12-13 14:16:11,157 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 14:16:11,205 INFO L134 CoverageAnalysis]: Checked inductivity of 1098 backedges. 108 proven. 0 refuted. 0 times theorem prover too weak. 990 trivial. 0 not checked. [2022-12-13 14:16:11,205 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 14:16:11,205 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [123138201] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 14:16:11,205 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-13 14:16:11,206 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2022-12-13 14:16:11,206 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [491145278] [2022-12-13 14:16:11,206 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 14:16:11,207 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 14:16:11,207 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 14:16:11,207 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 14:16:11,208 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-12-13 14:16:11,208 INFO L87 Difference]: Start difference. First operand 67439 states and 92741 transitions. Second operand has 3 states, 3 states have (on average 44.666666666666664) internal successors, (134), 3 states have internal predecessors, (134), 3 states have call successors, (35), 3 states have call predecessors, (35), 3 states have return successors, (31), 3 states have call predecessors, (31), 3 states have call successors, (31) [2022-12-13 14:16:15,061 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 14:16:15,062 INFO L93 Difference]: Finished difference Result 139955 states and 192540 transitions. [2022-12-13 14:16:15,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 14:16:15,063 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 44.666666666666664) internal successors, (134), 3 states have internal predecessors, (134), 3 states have call successors, (35), 3 states have call predecessors, (35), 3 states have return successors, (31), 3 states have call predecessors, (31), 3 states have call successors, (31) Word has length 386 [2022-12-13 14:16:15,063 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 14:16:15,308 INFO L225 Difference]: With dead ends: 139955 [2022-12-13 14:16:15,308 INFO L226 Difference]: Without dead ends: 73284 [2022-12-13 14:16:15,468 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 482 GetRequests, 478 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-12-13 14:16:15,469 INFO L413 NwaCegarLoop]: 2847 mSDtfsCounter, 2055 mSDsluCounter, 1816 mSDsCounter, 0 mSdLazyCounter, 58 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2055 SdHoareTripleChecker+Valid, 4663 SdHoareTripleChecker+Invalid, 85 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 58 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-13 14:16:15,469 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2055 Valid, 4663 Invalid, 85 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 58 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-13 14:16:15,523 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73284 states. [2022-12-13 14:16:19,040 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73284 to 73278. [2022-12-13 14:16:19,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 73278 states, 51058 states have (on average 1.2766265815347253) internal successors, (65182), 52435 states have internal predecessors, (65182), 17808 states have call successors, (17808), 4404 states have call predecessors, (17808), 4410 states have return successors, (17823), 17768 states have call predecessors, (17823), 17808 states have call successors, (17823) [2022-12-13 14:16:19,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73278 states to 73278 states and 100813 transitions. [2022-12-13 14:16:19,290 INFO L78 Accepts]: Start accepts. Automaton has 73278 states and 100813 transitions. Word has length 386 [2022-12-13 14:16:19,290 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 14:16:19,291 INFO L495 AbstractCegarLoop]: Abstraction has 73278 states and 100813 transitions. [2022-12-13 14:16:19,291 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 44.666666666666664) internal successors, (134), 3 states have internal predecessors, (134), 3 states have call successors, (35), 3 states have call predecessors, (35), 3 states have return successors, (31), 3 states have call predecessors, (31), 3 states have call successors, (31) [2022-12-13 14:16:19,291 INFO L276 IsEmpty]: Start isEmpty. Operand 73278 states and 100813 transitions. [2022-12-13 14:16:19,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 401 [2022-12-13 14:16:19,325 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 14:16:19,325 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 12, 12, 12, 8, 8, 8, 8, 8, 8, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:16:19,335 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b90a8d18-ed52-4b5c-af05-14f8b9cad860/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-12-13 14:16:19,526 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b90a8d18-ed52-4b5c-af05-14f8b9cad860/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 14:16:19,527 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-12-13 14:16:19,528 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 14:16:19,529 INFO L85 PathProgramCache]: Analyzing trace with hash 1121711103, now seen corresponding path program 1 times [2022-12-13 14:16:19,529 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 14:16:19,530 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1498053142] [2022-12-13 14:16:19,530 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 14:16:19,531 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 14:16:19,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:16:19,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-12-13 14:16:19,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:16:19,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:16:19,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:16:19,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-12-13 14:16:19,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:16:19,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:16:19,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:16:19,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-12-13 14:16:19,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:16:19,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:16:19,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:16:19,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-12-13 14:16:19,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:16:19,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:16:19,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:16:19,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-12-13 14:16:19,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:16:19,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:16:19,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:16:19,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-12-13 14:16:19,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:16:19,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:16:19,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:16:19,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-12-13 14:16:19,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:16:19,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:16:19,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:16:19,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-12-13 14:16:19,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:16:19,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:16:19,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:16:19,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-12-13 14:16:19,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:16:19,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2022-12-13 14:16:19,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:16:19,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-12-13 14:16:19,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:16:19,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2022-12-13 14:16:19,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:16:19,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2022-12-13 14:16:19,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:16:19,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2022-12-13 14:16:19,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:16:19,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:16:19,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:16:19,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2022-12-13 14:16:19,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:16:19,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-12-13 14:16:19,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:16:19,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2022-12-13 14:16:19,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:16:19,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:16:19,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:16:19,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 14:16:19,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:16:19,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-12-13 14:16:19,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:16:19,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2022-12-13 14:16:19,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:16:19,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:16:19,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:16:19,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 14:16:19,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:16:19,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-12-13 14:16:19,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:16:19,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2022-12-13 14:16:19,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:16:19,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2022-12-13 14:16:19,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:16:19,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2022-12-13 14:16:19,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:16:19,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2022-12-13 14:16:19,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:16:19,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:16:19,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:16:19,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2022-12-13 14:16:19,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:16:19,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 286 [2022-12-13 14:16:19,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:16:19,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 309 [2022-12-13 14:16:19,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:16:19,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 314 [2022-12-13 14:16:19,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:16:19,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:16:19,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:16:19,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 328 [2022-12-13 14:16:19,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:16:19,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 348 [2022-12-13 14:16:19,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:16:19,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:16:19,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:16:19,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:16:19,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:16:19,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 365 [2022-12-13 14:16:19,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:16:19,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 389 [2022-12-13 14:16:19,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:16:19,885 INFO L134 CoverageAnalysis]: Checked inductivity of 1146 backedges. 54 proven. 0 refuted. 0 times theorem prover too weak. 1092 trivial. 0 not checked. [2022-12-13 14:16:19,885 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 14:16:19,885 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1498053142] [2022-12-13 14:16:19,885 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1498053142] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 14:16:19,885 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 14:16:19,886 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-13 14:16:19,886 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1431732068] [2022-12-13 14:16:19,886 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 14:16:19,886 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-13 14:16:19,887 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 14:16:19,887 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-13 14:16:19,887 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-13 14:16:19,887 INFO L87 Difference]: Start difference. First operand 73278 states and 100813 transitions. Second operand has 4 states, 4 states have (on average 34.0) internal successors, (136), 3 states have internal predecessors, (136), 3 states have call successors, (37), 3 states have call predecessors, (37), 1 states have return successors, (33), 3 states have call predecessors, (33), 3 states have call successors, (33) [2022-12-13 14:16:28,022 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 14:16:28,022 INFO L93 Difference]: Finished difference Result 155311 states and 214420 transitions. [2022-12-13 14:16:28,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-13 14:16:28,023 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 34.0) internal successors, (136), 3 states have internal predecessors, (136), 3 states have call successors, (37), 3 states have call predecessors, (37), 1 states have return successors, (33), 3 states have call predecessors, (33), 3 states have call successors, (33) Word has length 400 [2022-12-13 14:16:28,024 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 14:16:28,257 INFO L225 Difference]: With dead ends: 155311 [2022-12-13 14:16:28,258 INFO L226 Difference]: Without dead ends: 82801 [2022-12-13 14:16:28,388 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 103 GetRequests, 100 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 14:16:28,389 INFO L413 NwaCegarLoop]: 2430 mSDtfsCounter, 2050 mSDsluCounter, 2598 mSDsCounter, 0 mSdLazyCounter, 3059 mSolverCounterSat, 735 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2364 SdHoareTripleChecker+Valid, 5028 SdHoareTripleChecker+Invalid, 3794 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 735 IncrementalHoareTripleChecker+Valid, 3059 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.1s IncrementalHoareTripleChecker+Time [2022-12-13 14:16:28,389 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2364 Valid, 5028 Invalid, 3794 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [735 Valid, 3059 Invalid, 0 Unknown, 0 Unchecked, 3.1s Time] [2022-12-13 14:16:28,448 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 82801 states. [2022-12-13 14:16:32,427 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 82801 to 78997. [2022-12-13 14:16:32,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 78997 states, 55052 states have (on average 1.2770471554166969) internal successors, (70304), 56536 states have internal predecessors, (70304), 19194 states have call successors, (19194), 4743 states have call predecessors, (19194), 4749 states have return successors, (19209), 19152 states have call predecessors, (19209), 19194 states have call successors, (19209) [2022-12-13 14:16:32,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78997 states to 78997 states and 108707 transitions. [2022-12-13 14:16:32,697 INFO L78 Accepts]: Start accepts. Automaton has 78997 states and 108707 transitions. Word has length 400 [2022-12-13 14:16:32,697 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 14:16:32,697 INFO L495 AbstractCegarLoop]: Abstraction has 78997 states and 108707 transitions. [2022-12-13 14:16:32,697 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 34.0) internal successors, (136), 3 states have internal predecessors, (136), 3 states have call successors, (37), 3 states have call predecessors, (37), 1 states have return successors, (33), 3 states have call predecessors, (33), 3 states have call successors, (33) [2022-12-13 14:16:32,698 INFO L276 IsEmpty]: Start isEmpty. Operand 78997 states and 108707 transitions. [2022-12-13 14:16:32,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 419 [2022-12-13 14:16:32,739 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 14:16:32,739 INFO L195 NwaCegarLoop]: trace histogram [21, 21, 11, 11, 11, 8, 8, 8, 8, 8, 8, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:16:32,739 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-12-13 14:16:32,740 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-12-13 14:16:32,740 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 14:16:32,740 INFO L85 PathProgramCache]: Analyzing trace with hash -757308510, now seen corresponding path program 1 times [2022-12-13 14:16:32,740 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 14:16:32,740 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [227691918] [2022-12-13 14:16:32,740 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 14:16:32,741 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 14:16:32,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:16:32,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-12-13 14:16:32,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:16:32,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:16:32,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:16:32,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-12-13 14:16:32,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:16:32,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:16:32,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:16:32,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-12-13 14:16:32,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:16:32,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:16:32,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:16:32,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-12-13 14:16:32,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:16:32,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:16:32,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:16:32,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-12-13 14:16:32,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:16:32,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:16:32,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:16:32,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-12-13 14:16:32,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:16:32,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:16:32,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:16:32,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-12-13 14:16:32,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:16:32,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:16:32,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:16:32,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-12-13 14:16:32,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:16:32,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:16:32,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:16:32,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-12-13 14:16:32,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:16:32,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2022-12-13 14:16:32,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:16:32,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-12-13 14:16:32,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:16:32,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2022-12-13 14:16:32,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:16:32,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2022-12-13 14:16:32,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:16:32,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2022-12-13 14:16:32,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:16:32,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:16:32,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:16:32,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2022-12-13 14:16:32,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:16:32,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-12-13 14:16:32,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:16:32,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2022-12-13 14:16:32,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:16:32,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:16:32,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:16:32,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 14:16:32,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:16:32,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-12-13 14:16:32,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:16:32,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2022-12-13 14:16:32,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:16:32,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:16:32,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:16:32,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 14:16:32,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:16:32,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-12-13 14:16:32,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:16:32,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2022-12-13 14:16:32,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:16:32,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2022-12-13 14:16:32,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:16:32,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2022-12-13 14:16:32,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:16:32,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2022-12-13 14:16:32,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:16:33,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:16:33,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:16:33,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2022-12-13 14:16:33,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:16:33,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 286 [2022-12-13 14:16:33,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:16:33,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 309 [2022-12-13 14:16:33,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:16:33,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 314 [2022-12-13 14:16:33,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:16:33,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:16:33,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:16:33,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2022-12-13 14:16:33,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:16:33,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 351 [2022-12-13 14:16:33,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:16:33,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 370 [2022-12-13 14:16:33,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:16:33,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:16:33,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:16:33,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 383 [2022-12-13 14:16:33,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:16:33,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 407 [2022-12-13 14:16:33,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:16:33,049 INFO L134 CoverageAnalysis]: Checked inductivity of 1304 backedges. 69 proven. 0 refuted. 0 times theorem prover too weak. 1235 trivial. 0 not checked. [2022-12-13 14:16:33,049 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 14:16:33,049 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [227691918] [2022-12-13 14:16:33,049 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [227691918] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 14:16:33,049 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 14:16:33,049 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-12-13 14:16:33,049 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [664829077] [2022-12-13 14:16:33,049 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 14:16:33,050 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-13 14:16:33,050 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 14:16:33,051 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 14:16:33,051 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-12-13 14:16:33,051 INFO L87 Difference]: Start difference. First operand 78997 states and 108707 transitions. Second operand has 6 states, 6 states have (on average 22.833333333333332) internal successors, (137), 4 states have internal predecessors, (137), 3 states have call successors, (36), 3 states have call predecessors, (36), 2 states have return successors, (32), 4 states have call predecessors, (32), 3 states have call successors, (32) [2022-12-13 14:16:42,865 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 14:16:42,865 INFO L93 Difference]: Finished difference Result 169092 states and 233247 transitions. [2022-12-13 14:16:42,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-13 14:16:42,865 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 22.833333333333332) internal successors, (137), 4 states have internal predecessors, (137), 3 states have call successors, (36), 3 states have call predecessors, (36), 2 states have return successors, (32), 4 states have call predecessors, (32), 3 states have call successors, (32) Word has length 418 [2022-12-13 14:16:42,866 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 14:16:43,130 INFO L225 Difference]: With dead ends: 169092 [2022-12-13 14:16:43,130 INFO L226 Difference]: Without dead ends: 90863 [2022-12-13 14:16:43,279 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 107 GetRequests, 101 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2022-12-13 14:16:43,280 INFO L413 NwaCegarLoop]: 2382 mSDtfsCounter, 2222 mSDsluCounter, 6546 mSDsCounter, 0 mSdLazyCounter, 6564 mSolverCounterSat, 819 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2536 SdHoareTripleChecker+Valid, 8928 SdHoareTripleChecker+Invalid, 7383 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 819 IncrementalHoareTripleChecker+Valid, 6564 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.1s IncrementalHoareTripleChecker+Time [2022-12-13 14:16:43,280 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2536 Valid, 8928 Invalid, 7383 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [819 Valid, 6564 Invalid, 0 Unknown, 0 Unchecked, 4.1s Time] [2022-12-13 14:16:43,345 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 90863 states. [2022-12-13 14:16:47,270 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 90863 to 80935. [2022-12-13 14:16:47,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 80935 states, 56282 states have (on average 1.2747237127323123) internal successors, (71744), 57784 states have internal predecessors, (71744), 19695 states have call successors, (19695), 4944 states have call predecessors, (19695), 4956 states have return successors, (19716), 19659 states have call predecessors, (19716), 19695 states have call successors, (19716) [2022-12-13 14:16:47,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80935 states to 80935 states and 111155 transitions. [2022-12-13 14:16:47,537 INFO L78 Accepts]: Start accepts. Automaton has 80935 states and 111155 transitions. Word has length 418 [2022-12-13 14:16:47,537 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 14:16:47,538 INFO L495 AbstractCegarLoop]: Abstraction has 80935 states and 111155 transitions. [2022-12-13 14:16:47,538 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 22.833333333333332) internal successors, (137), 4 states have internal predecessors, (137), 3 states have call successors, (36), 3 states have call predecessors, (36), 2 states have return successors, (32), 4 states have call predecessors, (32), 3 states have call successors, (32) [2022-12-13 14:16:47,538 INFO L276 IsEmpty]: Start isEmpty. Operand 80935 states and 111155 transitions. [2022-12-13 14:16:47,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 420 [2022-12-13 14:16:47,579 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 14:16:47,579 INFO L195 NwaCegarLoop]: trace histogram [21, 21, 11, 11, 11, 8, 8, 8, 8, 8, 8, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:16:47,579 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2022-12-13 14:16:47,580 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-12-13 14:16:47,580 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 14:16:47,580 INFO L85 PathProgramCache]: Analyzing trace with hash -924933277, now seen corresponding path program 1 times [2022-12-13 14:16:47,580 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 14:16:47,580 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1278814805] [2022-12-13 14:16:47,580 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 14:16:47,581 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 14:16:47,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:16:47,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-12-13 14:16:47,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:16:47,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:16:47,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:16:47,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-12-13 14:16:47,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:16:47,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:16:47,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:16:47,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-12-13 14:16:47,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:16:47,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:16:47,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:16:47,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-12-13 14:16:47,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:16:47,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:16:47,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:16:47,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-12-13 14:16:47,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:16:47,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:16:47,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:16:47,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-12-13 14:16:47,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:16:47,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:16:47,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:16:47,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-12-13 14:16:47,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:16:47,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:16:47,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:16:47,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-12-13 14:16:47,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:16:47,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:16:47,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:16:47,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-12-13 14:16:47,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:16:47,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2022-12-13 14:16:47,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:16:47,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-12-13 14:16:47,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:16:47,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2022-12-13 14:16:47,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:16:47,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2022-12-13 14:16:47,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:16:47,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2022-12-13 14:16:47,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:16:47,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:16:47,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:16:47,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2022-12-13 14:16:47,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:16:47,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-12-13 14:16:47,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:16:47,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2022-12-13 14:16:47,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:16:47,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:16:47,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:16:47,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 14:16:47,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:16:47,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-12-13 14:16:47,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:16:47,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2022-12-13 14:16:47,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:16:47,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:16:47,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:16:47,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 14:16:47,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:16:47,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-12-13 14:16:47,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:16:47,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2022-12-13 14:16:47,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:16:47,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2022-12-13 14:16:47,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:16:47,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2022-12-13 14:16:47,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:16:47,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2022-12-13 14:16:47,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:16:47,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:16:47,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:16:47,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2022-12-13 14:16:47,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:16:47,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 286 [2022-12-13 14:16:47,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:16:47,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 309 [2022-12-13 14:16:47,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:16:47,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 314 [2022-12-13 14:16:47,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:16:47,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:16:47,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:16:47,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2022-12-13 14:16:47,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:16:47,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 351 [2022-12-13 14:16:47,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:16:47,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 370 [2022-12-13 14:16:47,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:16:47,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:16:47,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:16:47,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 384 [2022-12-13 14:16:47,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:16:47,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 408 [2022-12-13 14:16:47,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:16:47,917 INFO L134 CoverageAnalysis]: Checked inductivity of 1305 backedges. 69 proven. 0 refuted. 0 times theorem prover too weak. 1236 trivial. 0 not checked. [2022-12-13 14:16:47,917 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 14:16:47,917 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1278814805] [2022-12-13 14:16:47,917 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1278814805] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 14:16:47,917 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 14:16:47,918 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-12-13 14:16:47,918 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1681219941] [2022-12-13 14:16:47,918 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 14:16:47,918 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-13 14:16:47,918 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 14:16:47,918 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 14:16:47,919 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-12-13 14:16:47,919 INFO L87 Difference]: Start difference. First operand 80935 states and 111155 transitions. Second operand has 6 states, 6 states have (on average 22.833333333333332) internal successors, (137), 4 states have internal predecessors, (137), 3 states have call successors, (36), 3 states have call predecessors, (36), 2 states have return successors, (32), 4 states have call predecessors, (32), 3 states have call successors, (32) [2022-12-13 14:16:57,427 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 14:16:57,427 INFO L93 Difference]: Finished difference Result 171102 states and 235791 transitions. [2022-12-13 14:16:57,427 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-13 14:16:57,427 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 22.833333333333332) internal successors, (137), 4 states have internal predecessors, (137), 3 states have call successors, (36), 3 states have call predecessors, (36), 2 states have return successors, (32), 4 states have call predecessors, (32), 3 states have call successors, (32) Word has length 419 [2022-12-13 14:16:57,428 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 14:16:57,684 INFO L225 Difference]: With dead ends: 171102 [2022-12-13 14:16:57,684 INFO L226 Difference]: Without dead ends: 90935 [2022-12-13 14:16:57,828 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 107 GetRequests, 101 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2022-12-13 14:16:57,829 INFO L413 NwaCegarLoop]: 2438 mSDtfsCounter, 2048 mSDsluCounter, 6707 mSDsCounter, 0 mSdLazyCounter, 6843 mSolverCounterSat, 736 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2362 SdHoareTripleChecker+Valid, 9145 SdHoareTripleChecker+Invalid, 7579 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 736 IncrementalHoareTripleChecker+Valid, 6843 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.3s IncrementalHoareTripleChecker+Time [2022-12-13 14:16:57,829 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2362 Valid, 9145 Invalid, 7579 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [736 Valid, 6843 Invalid, 0 Unknown, 0 Unchecked, 4.3s Time] [2022-12-13 14:16:57,893 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 90935 states. [2022-12-13 14:17:01,821 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 90935 to 80977. [2022-12-13 14:17:01,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 80977 states, 56312 states have (on average 1.274577354737889) internal successors, (71774), 57814 states have internal predecessors, (71774), 19695 states have call successors, (19695), 4950 states have call predecessors, (19695), 4968 states have return successors, (19722), 19665 states have call predecessors, (19722), 19695 states have call successors, (19722) [2022-12-13 14:17:02,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80977 states to 80977 states and 111191 transitions. [2022-12-13 14:17:02,160 INFO L78 Accepts]: Start accepts. Automaton has 80977 states and 111191 transitions. Word has length 419 [2022-12-13 14:17:02,160 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 14:17:02,160 INFO L495 AbstractCegarLoop]: Abstraction has 80977 states and 111191 transitions. [2022-12-13 14:17:02,160 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 22.833333333333332) internal successors, (137), 4 states have internal predecessors, (137), 3 states have call successors, (36), 3 states have call predecessors, (36), 2 states have return successors, (32), 4 states have call predecessors, (32), 3 states have call successors, (32) [2022-12-13 14:17:02,161 INFO L276 IsEmpty]: Start isEmpty. Operand 80977 states and 111191 transitions. [2022-12-13 14:17:02,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 421 [2022-12-13 14:17:02,200 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 14:17:02,201 INFO L195 NwaCegarLoop]: trace histogram [21, 21, 11, 11, 11, 8, 8, 8, 8, 8, 8, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:17:02,201 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2022-12-13 14:17:02,201 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-12-13 14:17:02,201 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 14:17:02,201 INFO L85 PathProgramCache]: Analyzing trace with hash 482539685, now seen corresponding path program 1 times [2022-12-13 14:17:02,201 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 14:17:02,201 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [277912435] [2022-12-13 14:17:02,202 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 14:17:02,202 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 14:17:02,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:17:02,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-12-13 14:17:02,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:17:02,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:17:02,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:17:02,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-12-13 14:17:02,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:17:02,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:17:02,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:17:02,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-12-13 14:17:02,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:17:02,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:17:02,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:17:02,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-12-13 14:17:02,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:17:02,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:17:02,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:17:02,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-12-13 14:17:02,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:17:02,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:17:02,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:17:02,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-12-13 14:17:02,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:17:02,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:17:02,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:17:02,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-12-13 14:17:02,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:17:02,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:17:02,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:17:02,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-12-13 14:17:02,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:17:02,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:17:02,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:17:02,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-12-13 14:17:02,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:17:02,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2022-12-13 14:17:02,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:17:02,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-12-13 14:17:02,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:17:02,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2022-12-13 14:17:02,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:17:02,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2022-12-13 14:17:02,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:17:02,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2022-12-13 14:17:02,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:17:02,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:17:02,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:17:02,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2022-12-13 14:17:02,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:17:02,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-12-13 14:17:02,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:17:02,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2022-12-13 14:17:02,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:17:02,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:17:02,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:17:02,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 14:17:02,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:17:02,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-12-13 14:17:02,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:17:02,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2022-12-13 14:17:02,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:17:02,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:17:02,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:17:02,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 14:17:02,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:17:02,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-12-13 14:17:02,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:17:02,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2022-12-13 14:17:02,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:17:02,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2022-12-13 14:17:02,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:17:02,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2022-12-13 14:17:02,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:17:02,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2022-12-13 14:17:02,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:17:02,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:17:02,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:17:02,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2022-12-13 14:17:02,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:17:02,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 286 [2022-12-13 14:17:02,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:17:02,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 309 [2022-12-13 14:17:02,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:17:02,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 314 [2022-12-13 14:17:02,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:17:02,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:17:02,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:17:02,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2022-12-13 14:17:02,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:17:02,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 351 [2022-12-13 14:17:02,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:17:02,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 370 [2022-12-13 14:17:02,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:17:02,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:17:02,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:17:02,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 385 [2022-12-13 14:17:02,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:17:02,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 409 [2022-12-13 14:17:02,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:17:02,600 INFO L134 CoverageAnalysis]: Checked inductivity of 1307 backedges. 95 proven. 28 refuted. 0 times theorem prover too weak. 1184 trivial. 0 not checked. [2022-12-13 14:17:02,600 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 14:17:02,601 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [277912435] [2022-12-13 14:17:02,601 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [277912435] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 14:17:02,601 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1021415887] [2022-12-13 14:17:02,601 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 14:17:02,601 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 14:17:02,601 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b90a8d18-ed52-4b5c-af05-14f8b9cad860/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 14:17:02,602 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b90a8d18-ed52-4b5c-af05-14f8b9cad860/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 14:17:02,602 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b90a8d18-ed52-4b5c-af05-14f8b9cad860/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-12-13 14:17:03,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:17:03,080 INFO L263 TraceCheckSpWp]: Trace formula consists of 2702 conjuncts, 4 conjunts are in the unsatisfiable core [2022-12-13 14:17:03,085 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 14:17:03,143 INFO L134 CoverageAnalysis]: Checked inductivity of 1307 backedges. 129 proven. 0 refuted. 0 times theorem prover too weak. 1178 trivial. 0 not checked. [2022-12-13 14:17:03,143 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 14:17:03,143 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1021415887] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 14:17:03,143 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-13 14:17:03,144 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [9] total 11 [2022-12-13 14:17:03,144 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [392433978] [2022-12-13 14:17:03,144 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 14:17:03,145 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-13 14:17:03,145 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 14:17:03,145 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-13 14:17:03,146 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2022-12-13 14:17:03,146 INFO L87 Difference]: Start difference. First operand 80977 states and 111191 transitions. Second operand has 5 states, 5 states have (on average 27.6) internal successors, (138), 4 states have internal predecessors, (138), 3 states have call successors, (36), 3 states have call predecessors, (36), 4 states have return successors, (32), 4 states have call predecessors, (32), 3 states have call successors, (32) [2022-12-13 14:17:07,666 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 14:17:07,666 INFO L93 Difference]: Finished difference Result 166977 states and 229374 transitions. [2022-12-13 14:17:07,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-13 14:17:07,667 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 27.6) internal successors, (138), 4 states have internal predecessors, (138), 3 states have call successors, (36), 3 states have call predecessors, (36), 4 states have return successors, (32), 4 states have call predecessors, (32), 3 states have call successors, (32) Word has length 420 [2022-12-13 14:17:07,667 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 14:17:07,916 INFO L225 Difference]: With dead ends: 166977 [2022-12-13 14:17:07,916 INFO L226 Difference]: Without dead ends: 86768 [2022-12-13 14:17:08,061 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 527 GetRequests, 517 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2022-12-13 14:17:08,061 INFO L413 NwaCegarLoop]: 2853 mSDtfsCounter, 2052 mSDsluCounter, 7517 mSDsCounter, 0 mSdLazyCounter, 115 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2052 SdHoareTripleChecker+Valid, 10370 SdHoareTripleChecker+Invalid, 142 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 115 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-13 14:17:08,062 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2052 Valid, 10370 Invalid, 142 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 115 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-13 14:17:08,122 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 86768 states. [2022-12-13 14:17:12,531 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 86768 to 86750. [2022-12-13 14:17:12,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 86750 states, 60360 states have (on average 1.2755135851557322) internal successors, (76990), 61969 states have internal predecessors, (76990), 21081 states have call successors, (21081), 5289 states have call predecessors, (21081), 5307 states have return successors, (21108), 21049 states have call predecessors, (21108), 21081 states have call successors, (21108) [2022-12-13 14:17:12,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86750 states to 86750 states and 119179 transitions. [2022-12-13 14:17:12,869 INFO L78 Accepts]: Start accepts. Automaton has 86750 states and 119179 transitions. Word has length 420 [2022-12-13 14:17:12,869 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 14:17:12,869 INFO L495 AbstractCegarLoop]: Abstraction has 86750 states and 119179 transitions. [2022-12-13 14:17:12,870 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 27.6) internal successors, (138), 4 states have internal predecessors, (138), 3 states have call successors, (36), 3 states have call predecessors, (36), 4 states have return successors, (32), 4 states have call predecessors, (32), 3 states have call successors, (32) [2022-12-13 14:17:12,870 INFO L276 IsEmpty]: Start isEmpty. Operand 86750 states and 119179 transitions. [2022-12-13 14:17:12,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 437 [2022-12-13 14:17:12,921 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 14:17:12,921 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 13, 13, 13, 8, 8, 8, 8, 8, 8, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:17:12,929 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b90a8d18-ed52-4b5c-af05-14f8b9cad860/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-12-13 14:17:13,122 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b90a8d18-ed52-4b5c-af05-14f8b9cad860/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable22 [2022-12-13 14:17:13,123 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-12-13 14:17:13,124 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 14:17:13,124 INFO L85 PathProgramCache]: Analyzing trace with hash 558709914, now seen corresponding path program 1 times [2022-12-13 14:17:13,125 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 14:17:13,125 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1029529575] [2022-12-13 14:17:13,125 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 14:17:13,126 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 14:17:13,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:17:13,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-12-13 14:17:13,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:17:13,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:17:13,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:17:13,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-12-13 14:17:13,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:17:13,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:17:13,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:17:13,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-12-13 14:17:13,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:17:13,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:17:13,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:17:13,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-12-13 14:17:13,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:17:13,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:17:13,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:17:13,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-12-13 14:17:13,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:17:13,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:17:13,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:17:13,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-12-13 14:17:13,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:17:13,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:17:13,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:17:13,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-12-13 14:17:13,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:17:13,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:17:13,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:17:13,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-12-13 14:17:13,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:17:13,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:17:13,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:17:13,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-12-13 14:17:13,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:17:13,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2022-12-13 14:17:13,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:17:13,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-12-13 14:17:13,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:17:13,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2022-12-13 14:17:13,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:17:13,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2022-12-13 14:17:13,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:17:13,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2022-12-13 14:17:13,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:17:13,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:17:13,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:17:13,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2022-12-13 14:17:13,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:17:13,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-12-13 14:17:13,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:17:13,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2022-12-13 14:17:13,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:17:13,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:17:13,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:17:13,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 14:17:13,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:17:13,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-12-13 14:17:13,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:17:13,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2022-12-13 14:17:13,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:17:13,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:17:13,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:17:13,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 14:17:13,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:17:13,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-12-13 14:17:13,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:17:13,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2022-12-13 14:17:13,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:17:13,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2022-12-13 14:17:13,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:17:13,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2022-12-13 14:17:13,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:17:13,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2022-12-13 14:17:13,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:17:13,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:17:13,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:17:13,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2022-12-13 14:17:13,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:17:13,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 286 [2022-12-13 14:17:13,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:17:13,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 309 [2022-12-13 14:17:13,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:17:13,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 314 [2022-12-13 14:17:13,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:17:13,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:17:13,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:17:13,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 328 [2022-12-13 14:17:13,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:17:13,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 348 [2022-12-13 14:17:13,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:17:13,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:17:13,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:17:13,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:17:13,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:17:13,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 365 [2022-12-13 14:17:13,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:17:13,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 384 [2022-12-13 14:17:13,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:17:13,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:17:13,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:17:13,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:17:13,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:17:13,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 401 [2022-12-13 14:17:13,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:17:13,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 425 [2022-12-13 14:17:13,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:17:13,457 INFO L134 CoverageAnalysis]: Checked inductivity of 1346 backedges. 67 proven. 0 refuted. 0 times theorem prover too weak. 1279 trivial. 0 not checked. [2022-12-13 14:17:13,457 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 14:17:13,457 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1029529575] [2022-12-13 14:17:13,457 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1029529575] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 14:17:13,457 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 14:17:13,457 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-13 14:17:13,457 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1206989748] [2022-12-13 14:17:13,457 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 14:17:13,458 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-13 14:17:13,458 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 14:17:13,458 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-13 14:17:13,458 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-13 14:17:13,458 INFO L87 Difference]: Start difference. First operand 86750 states and 119179 transitions. Second operand has 4 states, 4 states have (on average 35.0) internal successors, (140), 3 states have internal predecessors, (140), 3 states have call successors, (38), 3 states have call predecessors, (38), 1 states have return successors, (34), 3 states have call predecessors, (34), 3 states have call successors, (34) [2022-12-13 14:17:22,278 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 14:17:22,278 INFO L93 Difference]: Finished difference Result 183854 states and 253408 transitions. [2022-12-13 14:17:22,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-13 14:17:22,279 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 35.0) internal successors, (140), 3 states have internal predecessors, (140), 3 states have call successors, (38), 3 states have call predecessors, (38), 1 states have return successors, (34), 3 states have call predecessors, (34), 3 states have call successors, (34) Word has length 436 [2022-12-13 14:17:22,279 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 14:17:22,568 INFO L225 Difference]: With dead ends: 183854 [2022-12-13 14:17:22,568 INFO L226 Difference]: Without dead ends: 97872 [2022-12-13 14:17:22,755 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 111 GetRequests, 108 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 14:17:22,756 INFO L413 NwaCegarLoop]: 2352 mSDtfsCounter, 2164 mSDsluCounter, 2565 mSDsCounter, 0 mSdLazyCounter, 2995 mSolverCounterSat, 783 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2477 SdHoareTripleChecker+Valid, 4917 SdHoareTripleChecker+Invalid, 3778 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 783 IncrementalHoareTripleChecker+Valid, 2995 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2022-12-13 14:17:22,756 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2477 Valid, 4917 Invalid, 3778 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [783 Valid, 2995 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2022-12-13 14:17:22,827 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 97872 states. [2022-12-13 14:17:27,736 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 97872 to 93249. [2022-12-13 14:17:27,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 93249 states, 64867 states have (on average 1.2753788521127847) internal successors, (82730), 66598 states have internal predecessors, (82730), 22674 states have call successors, (22674), 5688 states have call predecessors, (22674), 5706 states have return successors, (22701), 22640 states have call predecessors, (22701), 22674 states have call successors, (22701) [2022-12-13 14:17:28,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93249 states to 93249 states and 128105 transitions. [2022-12-13 14:17:28,079 INFO L78 Accepts]: Start accepts. Automaton has 93249 states and 128105 transitions. Word has length 436 [2022-12-13 14:17:28,079 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 14:17:28,080 INFO L495 AbstractCegarLoop]: Abstraction has 93249 states and 128105 transitions. [2022-12-13 14:17:28,080 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 35.0) internal successors, (140), 3 states have internal predecessors, (140), 3 states have call successors, (38), 3 states have call predecessors, (38), 1 states have return successors, (34), 3 states have call predecessors, (34), 3 states have call successors, (34) [2022-12-13 14:17:28,080 INFO L276 IsEmpty]: Start isEmpty. Operand 93249 states and 128105 transitions. [2022-12-13 14:17:28,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 438 [2022-12-13 14:17:28,128 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 14:17:28,128 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 13, 13, 13, 8, 8, 8, 8, 8, 8, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:17:28,128 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2022-12-13 14:17:28,128 INFO L420 AbstractCegarLoop]: === Iteration 25 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-12-13 14:17:28,128 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 14:17:28,128 INFO L85 PathProgramCache]: Analyzing trace with hash -759785667, now seen corresponding path program 1 times [2022-12-13 14:17:28,129 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 14:17:28,129 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1094972000] [2022-12-13 14:17:28,129 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 14:17:28,129 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 14:17:28,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:17:28,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-12-13 14:17:28,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:17:28,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:17:28,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:17:28,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-12-13 14:17:28,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:17:28,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:17:28,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:17:28,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-12-13 14:17:28,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:17:28,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:17:28,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:17:28,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-12-13 14:17:28,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:17:28,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:17:28,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:17:28,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-12-13 14:17:28,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:17:28,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:17:28,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:17:28,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-12-13 14:17:28,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:17:28,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:17:28,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:17:28,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-12-13 14:17:28,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:17:28,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:17:28,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:17:28,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-12-13 14:17:28,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:17:28,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:17:28,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:17:28,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-12-13 14:17:28,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:17:28,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2022-12-13 14:17:28,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:17:28,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-12-13 14:17:28,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:17:28,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2022-12-13 14:17:28,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:17:28,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2022-12-13 14:17:28,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:17:28,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2022-12-13 14:17:28,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:17:28,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:17:28,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:17:28,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2022-12-13 14:17:28,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:17:28,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-12-13 14:17:28,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:17:28,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2022-12-13 14:17:28,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:17:28,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:17:28,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:17:28,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 14:17:28,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:17:28,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-12-13 14:17:28,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:17:28,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2022-12-13 14:17:28,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:17:28,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:17:28,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:17:28,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 14:17:28,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:17:28,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-12-13 14:17:28,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:17:28,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2022-12-13 14:17:28,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:17:28,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2022-12-13 14:17:28,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:17:28,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2022-12-13 14:17:28,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:17:28,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2022-12-13 14:17:28,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:17:28,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:17:28,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:17:28,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2022-12-13 14:17:28,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:17:28,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 286 [2022-12-13 14:17:28,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:17:28,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 309 [2022-12-13 14:17:28,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:17:28,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 314 [2022-12-13 14:17:28,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:17:28,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:17:28,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:17:28,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 328 [2022-12-13 14:17:28,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:17:28,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 348 [2022-12-13 14:17:28,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:17:28,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:17:28,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:17:28,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:17:28,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:17:28,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 365 [2022-12-13 14:17:28,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:17:28,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 384 [2022-12-13 14:17:28,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:17:28,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:17:28,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:17:28,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:17:28,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:17:28,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 401 [2022-12-13 14:17:28,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:17:28,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 426 [2022-12-13 14:17:28,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:17:28,924 INFO L134 CoverageAnalysis]: Checked inductivity of 1351 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1351 trivial. 0 not checked. [2022-12-13 14:17:28,924 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 14:17:28,924 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1094972000] [2022-12-13 14:17:28,924 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1094972000] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 14:17:28,924 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 14:17:28,924 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-12-13 14:17:28,924 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1396923325] [2022-12-13 14:17:28,924 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 14:17:28,925 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-13 14:17:28,925 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 14:17:28,925 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 14:17:28,925 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-12-13 14:17:28,925 INFO L87 Difference]: Start difference. First operand 93249 states and 128105 transitions. Second operand has 6 states, 6 states have (on average 21.5) internal successors, (129), 4 states have internal predecessors, (129), 2 states have call successors, (37), 4 states have call predecessors, (37), 1 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) [2022-12-13 14:17:37,252 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 14:17:37,252 INFO L93 Difference]: Finished difference Result 97866 states and 135255 transitions. [2022-12-13 14:17:37,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-13 14:17:37,253 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 21.5) internal successors, (129), 4 states have internal predecessors, (129), 2 states have call successors, (37), 4 states have call predecessors, (37), 1 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) Word has length 437 [2022-12-13 14:17:37,254 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 14:17:37,515 INFO L225 Difference]: With dead ends: 97866 [2022-12-13 14:17:37,516 INFO L226 Difference]: Without dead ends: 97864 [2022-12-13 14:17:37,547 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 118 GetRequests, 111 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2022-12-13 14:17:37,548 INFO L413 NwaCegarLoop]: 1469 mSDtfsCounter, 2332 mSDsluCounter, 3346 mSDsCounter, 0 mSdLazyCounter, 3209 mSolverCounterSat, 923 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2546 SdHoareTripleChecker+Valid, 4815 SdHoareTripleChecker+Invalid, 4132 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 923 IncrementalHoareTripleChecker+Valid, 3209 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2022-12-13 14:17:37,548 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2546 Valid, 4815 Invalid, 4132 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [923 Valid, 3209 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2022-12-13 14:17:37,619 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 97864 states. [2022-12-13 14:17:42,233 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 97864 to 93247. [2022-12-13 14:17:42,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 93247 states, 64866 states have (on average 1.2745968612215952) internal successors, (82678), 66596 states have internal predecessors, (82678), 22674 states have call successors, (22674), 5688 states have call predecessors, (22674), 5706 states have return successors, (22701), 22640 states have call predecessors, (22701), 22674 states have call successors, (22701) [2022-12-13 14:17:42,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93247 states to 93247 states and 128053 transitions. [2022-12-13 14:17:42,541 INFO L78 Accepts]: Start accepts. Automaton has 93247 states and 128053 transitions. Word has length 437 [2022-12-13 14:17:42,541 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 14:17:42,542 INFO L495 AbstractCegarLoop]: Abstraction has 93247 states and 128053 transitions. [2022-12-13 14:17:42,542 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 21.5) internal successors, (129), 4 states have internal predecessors, (129), 2 states have call successors, (37), 4 states have call predecessors, (37), 1 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) [2022-12-13 14:17:42,542 INFO L276 IsEmpty]: Start isEmpty. Operand 93247 states and 128053 transitions. [2022-12-13 14:17:42,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 450 [2022-12-13 14:17:42,596 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 14:17:42,596 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 13, 13, 13, 8, 8, 8, 8, 8, 8, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:17:42,597 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2022-12-13 14:17:42,597 INFO L420 AbstractCegarLoop]: === Iteration 26 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-12-13 14:17:42,597 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 14:17:42,597 INFO L85 PathProgramCache]: Analyzing trace with hash 84695770, now seen corresponding path program 1 times [2022-12-13 14:17:42,597 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 14:17:42,597 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1213914190] [2022-12-13 14:17:42,597 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 14:17:42,598 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 14:17:42,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:17:43,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-12-13 14:17:43,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:17:43,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:17:43,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:17:43,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-12-13 14:17:43,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:17:43,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:17:43,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:17:43,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-12-13 14:17:43,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:17:43,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:17:43,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:17:43,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-12-13 14:17:43,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:17:43,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:17:43,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:17:43,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-12-13 14:17:43,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:17:43,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:17:43,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:17:43,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-12-13 14:17:43,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:17:43,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:17:43,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:17:43,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-12-13 14:17:43,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:17:43,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:17:43,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:17:43,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-12-13 14:17:43,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:17:43,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:17:43,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:17:43,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-12-13 14:17:43,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:17:43,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2022-12-13 14:17:43,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:17:43,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-12-13 14:17:43,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:17:43,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2022-12-13 14:17:43,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:17:43,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2022-12-13 14:17:43,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:17:43,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2022-12-13 14:17:43,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:17:43,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:17:43,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:17:43,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2022-12-13 14:17:43,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:17:43,202 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-12-13 14:17:43,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:17:43,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2022-12-13 14:17:43,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:17:43,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:17:43,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:17:43,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 14:17:43,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:17:43,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-12-13 14:17:43,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:17:43,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2022-12-13 14:17:43,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:17:43,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:17:43,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:17:43,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 14:17:43,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:17:43,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-12-13 14:17:43,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:17:43,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2022-12-13 14:17:43,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:17:43,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2022-12-13 14:17:43,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:17:43,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2022-12-13 14:17:43,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:17:43,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2022-12-13 14:17:43,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:17:43,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:17:43,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:17:43,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2022-12-13 14:17:43,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:17:43,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 286 [2022-12-13 14:17:43,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:17:43,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 309 [2022-12-13 14:17:43,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:17:43,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 314 [2022-12-13 14:17:43,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:17:43,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:17:43,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:17:43,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 328 [2022-12-13 14:17:43,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:17:43,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 348 [2022-12-13 14:17:43,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:17:43,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:17:43,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:17:43,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:17:43,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:17:43,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 365 [2022-12-13 14:17:43,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:17:43,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 384 [2022-12-13 14:17:43,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:17:43,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:17:43,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:17:43,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:17:43,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:17:43,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 401 [2022-12-13 14:17:43,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:17:43,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 426 [2022-12-13 14:17:43,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:17:43,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 431 [2022-12-13 14:17:43,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:17:43,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:17:43,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:17:43,309 INFO L134 CoverageAnalysis]: Checked inductivity of 1351 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1351 trivial. 0 not checked. [2022-12-13 14:17:43,309 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 14:17:43,309 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1213914190] [2022-12-13 14:17:43,309 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1213914190] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 14:17:43,309 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 14:17:43,309 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-12-13 14:17:43,309 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1205080524] [2022-12-13 14:17:43,309 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 14:17:43,310 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-12-13 14:17:43,310 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 14:17:43,310 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-12-13 14:17:43,310 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-12-13 14:17:43,311 INFO L87 Difference]: Start difference. First operand 93247 states and 128053 transitions. Second operand has 7 states, 7 states have (on average 19.571428571428573) internal successors, (137), 4 states have internal predecessors, (137), 2 states have call successors, (39), 5 states have call predecessors, (39), 2 states have return successors, (35), 2 states have call predecessors, (35), 1 states have call successors, (35) [2022-12-13 14:17:51,759 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.50s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 14:17:59,007 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 14:17:59,008 INFO L93 Difference]: Finished difference Result 97900 states and 135239 transitions. [2022-12-13 14:17:59,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-12-13 14:17:59,008 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 19.571428571428573) internal successors, (137), 4 states have internal predecessors, (137), 2 states have call successors, (39), 5 states have call predecessors, (39), 2 states have return successors, (35), 2 states have call predecessors, (35), 1 states have call successors, (35) Word has length 449 [2022-12-13 14:17:59,009 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 14:17:59,014 INFO L225 Difference]: With dead ends: 97900 [2022-12-13 14:17:59,014 INFO L226 Difference]: Without dead ends: 0 [2022-12-13 14:17:59,152 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 123 GetRequests, 113 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2022-12-13 14:17:59,152 INFO L413 NwaCegarLoop]: 1067 mSDtfsCounter, 1542 mSDsluCounter, 3970 mSDsCounter, 0 mSdLazyCounter, 6084 mSolverCounterSat, 1131 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1623 SdHoareTripleChecker+Valid, 5037 SdHoareTripleChecker+Invalid, 7215 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1131 IncrementalHoareTripleChecker+Valid, 6084 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.9s IncrementalHoareTripleChecker+Time [2022-12-13 14:17:59,153 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1623 Valid, 5037 Invalid, 7215 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1131 Valid, 6084 Invalid, 0 Unknown, 0 Unchecked, 9.9s Time] [2022-12-13 14:17:59,153 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-12-13 14:17:59,153 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-12-13 14:17:59,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 14:17:59,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-12-13 14:17:59,159 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 449 [2022-12-13 14:17:59,159 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 14:17:59,159 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-12-13 14:17:59,160 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 19.571428571428573) internal successors, (137), 4 states have internal predecessors, (137), 2 states have call successors, (39), 5 states have call predecessors, (39), 2 states have return successors, (35), 2 states have call predecessors, (35), 1 states have call successors, (35) [2022-12-13 14:17:59,160 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-12-13 14:17:59,160 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-12-13 14:17:59,162 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 3 remaining) [2022-12-13 14:17:59,162 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (1 of 3 remaining) [2022-12-13 14:17:59,162 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 3 remaining) [2022-12-13 14:17:59,162 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2022-12-13 14:17:59,164 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.