./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-intel-igbvf-igbvf.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 4e7fbc69 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a14b488-d68c-4ace-9705-726d43741be0/bin/uautomizer-QkZJyEgLgS/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a14b488-d68c-4ace-9705-726d43741be0/bin/uautomizer-QkZJyEgLgS/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a14b488-d68c-4ace-9705-726d43741be0/bin/uautomizer-QkZJyEgLgS/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a14b488-d68c-4ace-9705-726d43741be0/bin/uautomizer-QkZJyEgLgS/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-intel-igbvf-igbvf.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a14b488-d68c-4ace-9705-726d43741be0/bin/uautomizer-QkZJyEgLgS/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a14b488-d68c-4ace-9705-726d43741be0/bin/uautomizer-QkZJyEgLgS --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 14116a47f3f4a2a033e7a89d50301476fe518641457365dd95d98c606e6851b5 --- 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-4e7fbc6 [2022-11-23 03:28:10,339 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-23 03:28:10,342 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-23 03:28:10,380 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-23 03:28:10,380 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-23 03:28:10,381 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-23 03:28:10,383 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-23 03:28:10,384 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-23 03:28:10,392 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-23 03:28:10,399 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-23 03:28:10,400 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-23 03:28:10,401 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-23 03:28:10,402 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-23 03:28:10,403 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-23 03:28:10,403 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-23 03:28:10,405 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-23 03:28:10,405 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-23 03:28:10,406 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-23 03:28:10,408 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-23 03:28:10,409 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-23 03:28:10,414 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-23 03:28:10,418 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-23 03:28:10,421 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-23 03:28:10,422 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-23 03:28:10,437 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-23 03:28:10,437 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-23 03:28:10,437 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-23 03:28:10,439 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-23 03:28:10,440 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-23 03:28:10,441 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-23 03:28:10,441 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-23 03:28:10,442 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-23 03:28:10,443 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-23 03:28:10,445 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-23 03:28:10,446 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-23 03:28:10,447 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-23 03:28:10,447 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-23 03:28:10,448 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-23 03:28:10,448 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-23 03:28:10,450 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-23 03:28:10,451 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-23 03:28:10,452 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a14b488-d68c-4ace-9705-726d43741be0/bin/uautomizer-QkZJyEgLgS/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-11-23 03:28:10,492 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-23 03:28:10,493 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-23 03:28:10,493 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-23 03:28:10,494 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-23 03:28:10,495 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-23 03:28:10,495 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-23 03:28:10,496 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-23 03:28:10,496 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-23 03:28:10,496 INFO L138 SettingsManager]: * Use SBE=true [2022-11-23 03:28:10,496 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-23 03:28:10,497 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-23 03:28:10,498 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-23 03:28:10,498 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-23 03:28:10,498 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-23 03:28:10,498 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-23 03:28:10,499 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-23 03:28:10,499 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-23 03:28:10,499 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-23 03:28:10,499 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-23 03:28:10,499 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-23 03:28:10,500 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-23 03:28:10,500 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 03:28:10,500 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-23 03:28:10,500 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-23 03:28:10,501 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-23 03:28:10,501 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-23 03:28:10,501 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-23 03:28:10,501 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-23 03:28:10,502 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-23 03:28:10,502 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-11-23 03:28:10,502 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-23 03:28:10,503 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_3a14b488-d68c-4ace-9705-726d43741be0/bin/uautomizer-QkZJyEgLgS/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a14b488-d68c-4ace-9705-726d43741be0/bin/uautomizer-QkZJyEgLgS Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 14116a47f3f4a2a033e7a89d50301476fe518641457365dd95d98c606e6851b5 [2022-11-23 03:28:10,765 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-23 03:28:10,789 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-23 03:28:10,792 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-23 03:28:10,793 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-23 03:28:10,794 INFO L275 PluginConnector]: CDTParser initialized [2022-11-23 03:28:10,795 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a14b488-d68c-4ace-9705-726d43741be0/bin/uautomizer-QkZJyEgLgS/../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-intel-igbvf-igbvf.cil.i [2022-11-23 03:28:14,034 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-23 03:28:14,817 INFO L351 CDTParser]: Found 1 translation units. [2022-11-23 03:28:14,818 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a14b488-d68c-4ace-9705-726d43741be0/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-intel-igbvf-igbvf.cil.i [2022-11-23 03:28:14,885 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a14b488-d68c-4ace-9705-726d43741be0/bin/uautomizer-QkZJyEgLgS/data/e0f18f628/56f64a29671c4c8c9b802c21a12028b0/FLAG4fd715175 [2022-11-23 03:28:14,909 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a14b488-d68c-4ace-9705-726d43741be0/bin/uautomizer-QkZJyEgLgS/data/e0f18f628/56f64a29671c4c8c9b802c21a12028b0 [2022-11-23 03:28:14,912 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-23 03:28:14,914 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-23 03:28:14,917 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-23 03:28:14,918 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-23 03:28:14,921 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-23 03:28:14,925 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:28:14" (1/1) ... [2022-11-23 03:28:14,926 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5d6e28e1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:28:14, skipping insertion in model container [2022-11-23 03:28:14,926 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:28:14" (1/1) ... [2022-11-23 03:28:14,934 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-23 03:28:15,154 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-23 03:28:19,938 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_3a14b488-d68c-4ace-9705-726d43741be0/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-intel-igbvf-igbvf.cil.i[485804,485817] [2022-11-23 03:28:19,942 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_3a14b488-d68c-4ace-9705-726d43741be0/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-intel-igbvf-igbvf.cil.i[485973,485986] [2022-11-23 03:28:19,942 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_3a14b488-d68c-4ace-9705-726d43741be0/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-intel-igbvf-igbvf.cil.i[486140,486153] [2022-11-23 03:28:19,943 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_3a14b488-d68c-4ace-9705-726d43741be0/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-intel-igbvf-igbvf.cil.i[486308,486321] [2022-11-23 03:28:19,970 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 03:28:20,023 INFO L203 MainTranslator]: Completed pre-run [2022-11-23 03:28:20,563 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_3a14b488-d68c-4ace-9705-726d43741be0/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-intel-igbvf-igbvf.cil.i[485804,485817] [2022-11-23 03:28:20,564 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_3a14b488-d68c-4ace-9705-726d43741be0/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-intel-igbvf-igbvf.cil.i[485973,485986] [2022-11-23 03:28:20,565 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_3a14b488-d68c-4ace-9705-726d43741be0/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-intel-igbvf-igbvf.cil.i[486140,486153] [2022-11-23 03:28:20,565 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_3a14b488-d68c-4ace-9705-726d43741be0/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-intel-igbvf-igbvf.cil.i[486308,486321] [2022-11-23 03:28:20,577 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 03:28:21,016 INFO L208 MainTranslator]: Completed translation [2022-11-23 03:28:21,017 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:28:21 WrapperNode [2022-11-23 03:28:21,017 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-23 03:28:21,018 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-23 03:28:21,018 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-23 03:28:21,018 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-23 03:28:21,026 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:28:21" (1/1) ... [2022-11-23 03:28:21,189 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:28:21" (1/1) ... [2022-11-23 03:28:21,476 INFO L138 Inliner]: procedures = 642, calls = 3547, calls flagged for inlining = 319, calls inlined = 283, statements flattened = 8099 [2022-11-23 03:28:21,476 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-23 03:28:21,477 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-23 03:28:21,478 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-23 03:28:21,478 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-23 03:28:21,488 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:28:21" (1/1) ... [2022-11-23 03:28:21,489 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:28:21" (1/1) ... [2022-11-23 03:28:21,554 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:28:21" (1/1) ... [2022-11-23 03:28:21,555 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:28:21" (1/1) ... [2022-11-23 03:28:21,869 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:28:21" (1/1) ... [2022-11-23 03:28:21,897 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:28:21" (1/1) ... [2022-11-23 03:28:21,939 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:28:21" (1/1) ... [2022-11-23 03:28:21,955 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:28:21" (1/1) ... [2022-11-23 03:28:22,002 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-23 03:28:22,003 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-23 03:28:22,004 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-23 03:28:22,004 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-23 03:28:22,005 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:28:21" (1/1) ... [2022-11-23 03:28:22,011 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 03:28:22,022 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a14b488-d68c-4ace-9705-726d43741be0/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 03:28:22,034 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a14b488-d68c-4ace-9705-726d43741be0/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-23 03:28:22,048 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a14b488-d68c-4ace-9705-726d43741be0/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-23 03:28:22,081 INFO L130 BoogieDeclarations]: Found specification of procedure ipv6_hdr [2022-11-23 03:28:22,082 INFO L138 BoogieDeclarations]: Found implementation of procedure ipv6_hdr [2022-11-23 03:28:22,082 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2022-11-23 03:28:22,083 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2022-11-23 03:28:22,083 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-11-23 03:28:22,083 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-11-23 03:28:22,083 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_0_6 [2022-11-23 03:28:22,083 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_0_6 [2022-11-23 03:28:22,083 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2022-11-23 03:28:22,084 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2022-11-23 03:28:22,084 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-23 03:28:22,084 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-23 03:28:22,084 INFO L130 BoogieDeclarations]: Found specification of procedure __might_sleep [2022-11-23 03:28:22,084 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_sleep [2022-11-23 03:28:22,085 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_init_function_pointers_vf [2022-11-23 03:28:22,085 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_init_function_pointers_vf [2022-11-23 03:28:22,085 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_page [2022-11-23 03:28:22,085 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_page [2022-11-23 03:28:22,085 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_ok [2022-11-23 03:28:22,085 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_ok [2022-11-23 03:28:22,086 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-11-23 03:28:22,086 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-11-23 03:28:22,086 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2022-11-23 03:28:22,086 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2022-11-23 03:28:22,086 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_alloc_rx_buffers [2022-11-23 03:28:22,087 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_alloc_rx_buffers [2022-11-23 03:28:22,088 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2022-11-23 03:28:22,088 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2022-11-23 03:28:22,088 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_read_mac_addr_vf [2022-11-23 03:28:22,088 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_read_mac_addr_vf [2022-11-23 03:28:22,089 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_close [2022-11-23 03:28:22,089 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_close [2022-11-23 03:28:22,089 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-11-23 03:28:22,089 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-11-23 03:28:22,090 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_reset_hw_vf [2022-11-23 03:28:22,090 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_reset_hw_vf [2022-11-23 03:28:22,090 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_maybe_stop_tx [2022-11-23 03:28:22,090 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_maybe_stop_tx [2022-11-23 03:28:22,090 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2022-11-23 03:28:22,091 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2022-11-23 03:28:22,091 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-11-23 03:28:22,091 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-11-23 03:28:22,091 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2022-11-23 03:28:22,091 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2022-11-23 03:28:22,091 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2022-11-23 03:28:22,092 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2022-11-23 03:28:22,092 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_clean_tx_irq [2022-11-23 03:28:22,092 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_clean_tx_irq [2022-11-23 03:28:22,092 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-11-23 03:28:22,092 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-11-23 03:28:22,093 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_attach [2022-11-23 03:28:22,093 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_attach [2022-11-23 03:28:22,093 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_suspend [2022-11-23 03:28:22,094 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_suspend [2022-11-23 03:28:22,094 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-23 03:28:22,094 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2022-11-23 03:28:22,095 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2022-11-23 03:28:22,095 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_sync [2022-11-23 03:28:22,095 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_sync [2022-11-23 03:28:22,095 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_work_sync [2022-11-23 03:28:22,096 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_work_sync [2022-11-23 03:28:22,096 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_detach [2022-11-23 03:28:22,096 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_detach [2022-11-23 03:28:22,096 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-11-23 03:28:22,096 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-11-23 03:28:22,097 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-11-23 03:28:22,097 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_assign_vector [2022-11-23 03:28:22,097 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_assign_vector [2022-11-23 03:28:22,097 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-11-23 03:28:22,098 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-11-23 03:28:22,098 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-11-23 03:28:22,098 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-11-23 03:28:22,098 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-23 03:28:22,098 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_desc_unused [2022-11-23 03:28:22,098 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_desc_unused [2022-11-23 03:28:22,099 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-11-23 03:28:22,099 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-11-23 03:28:22,100 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-23 03:28:22,100 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_netpoll [2022-11-23 03:28:22,100 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_netpoll [2022-11-23 03:28:22,100 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2022-11-23 03:28:22,101 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2022-11-23 03:28:22,101 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_reset_interrupt_capability [2022-11-23 03:28:22,101 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_reset_interrupt_capability [2022-11-23 03:28:22,101 INFO L130 BoogieDeclarations]: Found specification of procedure vzalloc [2022-11-23 03:28:22,101 INFO L138 BoogieDeclarations]: Found implementation of procedure vzalloc [2022-11-23 03:28:22,102 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-11-23 03:28:22,102 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-11-23 03:28:22,102 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_check_for_msg_vf [2022-11-23 03:28:22,102 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_check_for_msg_vf [2022-11-23 03:28:22,102 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2022-11-23 03:28:22,102 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2022-11-23 03:28:22,103 INFO L130 BoogieDeclarations]: Found specification of procedure skb_transport_header [2022-11-23 03:28:22,103 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_transport_header [2022-11-23 03:28:22,103 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_igbvf_exit_module_19_2 [2022-11-23 03:28:22,103 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_igbvf_exit_module_19_2 [2022-11-23 03:28:22,104 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2022-11-23 03:28:22,104 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2022-11-23 03:28:22,104 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_free_tx_resources [2022-11-23 03:28:22,104 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_free_tx_resources [2022-11-23 03:28:22,104 INFO L130 BoogieDeclarations]: Found specification of procedure skb_network_offset [2022-11-23 03:28:22,105 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_network_offset [2022-11-23 03:28:22,105 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2022-11-23 03:28:22,105 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2022-11-23 03:28:22,105 INFO L130 BoogieDeclarations]: Found specification of procedure vfree [2022-11-23 03:28:22,105 INFO L138 BoogieDeclarations]: Found implementation of procedure vfree [2022-11-23 03:28:22,105 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2022-11-23 03:28:22,106 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2022-11-23 03:28:22,106 INFO L130 BoogieDeclarations]: Found specification of procedure __udelay [2022-11-23 03:28:22,106 INFO L138 BoogieDeclarations]: Found implementation of procedure __udelay [2022-11-23 03:28:22,107 INFO L130 BoogieDeclarations]: Found specification of procedure napi_enable [2022-11-23 03:28:22,107 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_enable [2022-11-23 03:28:22,110 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2022-11-23 03:28:22,111 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2022-11-23 03:28:22,111 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-23 03:28:22,112 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2022-11-23 03:28:22,112 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2022-11-23 03:28:22,112 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2022-11-23 03:28:22,113 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2022-11-23 03:28:22,113 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer [2022-11-23 03:28:22,113 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer [2022-11-23 03:28:22,118 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_single_attrs [2022-11-23 03:28:22,179 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_single_attrs [2022-11-23 03:28:22,179 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_configure_msix [2022-11-23 03:28:22,179 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_configure_msix [2022-11-23 03:28:22,179 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-23 03:28:22,179 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_open [2022-11-23 03:28:22,179 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_open [2022-11-23 03:28:22,179 INFO L130 BoogieDeclarations]: Found specification of procedure is_valid_ether_addr [2022-11-23 03:28:22,179 INFO L138 BoogieDeclarations]: Found implementation of procedure is_valid_ether_addr [2022-11-23 03:28:22,180 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-11-23 03:28:22,180 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-11-23 03:28:22,180 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-23 03:28:22,180 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-11-23 03:28:22,180 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-11-23 03:28:22,180 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headlen [2022-11-23 03:28:22,180 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headlen [2022-11-23 03:28:22,180 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_nway_reset [2022-11-23 03:28:22,180 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_nway_reset [2022-11-23 03:28:22,180 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_reset [2022-11-23 03:28:22,180 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_reset [2022-11-23 03:28:22,180 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_write_posted_mbx [2022-11-23 03:28:22,180 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_write_posted_mbx [2022-11-23 03:28:22,181 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2022-11-23 03:28:22,181 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2022-11-23 03:28:22,181 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_irq_enable [2022-11-23 03:28:22,181 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_irq_enable [2022-11-23 03:28:22,181 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2022-11-23 03:28:22,181 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2022-11-23 03:28:22,181 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_map_page [2022-11-23 03:28:22,181 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_map_page [2022-11-23 03:28:22,181 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_reinit_locked [2022-11-23 03:28:22,181 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_reinit_locked [2022-11-23 03:28:22,181 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-11-23 03:28:22,181 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-11-23 03:28:22,182 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2022-11-23 03:28:22,182 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2022-11-23 03:28:22,182 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_update_stats [2022-11-23 03:28:22,182 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_update_stats [2022-11-23 03:28:22,182 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_vlan_rx_add_vid [2022-11-23 03:28:22,182 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_vlan_rx_add_vid [2022-11-23 03:28:22,182 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-11-23 03:28:22,182 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-11-23 03:28:22,182 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2022-11-23 03:28:22,182 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2022-11-23 03:28:22,182 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_check_for_bit_vf [2022-11-23 03:28:22,182 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_check_for_bit_vf [2022-11-23 03:28:22,182 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_init_hw_vf [2022-11-23 03:28:22,183 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_init_hw_vf [2022-11-23 03:28:22,183 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-23 03:28:22,183 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-23 03:28:22,183 INFO L130 BoogieDeclarations]: Found specification of procedure tcp_hdr [2022-11-23 03:28:22,183 INFO L138 BoogieDeclarations]: Found implementation of procedure tcp_hdr [2022-11-23 03:28:22,183 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_poll_for_ack [2022-11-23 03:28:22,183 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_poll_for_ack [2022-11-23 03:28:22,183 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2022-11-23 03:28:22,183 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2022-11-23 03:28:22,183 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-11-23 03:28:22,183 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-23 03:28:22,183 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-11-23 03:28:22,184 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-11-23 03:28:22,184 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2022-11-23 03:28:22,184 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2022-11-23 03:28:22,184 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_rar_set_vf [2022-11-23 03:28:22,184 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_rar_set_vf [2022-11-23 03:28:22,184 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2022-11-23 03:28:22,184 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2022-11-23 03:28:22,184 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2022-11-23 03:28:22,184 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2022-11-23 03:28:22,184 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2022-11-23 03:28:22,184 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2022-11-23 03:28:22,184 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_down [2022-11-23 03:28:22,185 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_down [2022-11-23 03:28:22,185 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2022-11-23 03:28:22,185 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2022-11-23 03:28:22,185 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_get_regs_len [2022-11-23 03:28:22,185 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_get_regs_len [2022-11-23 03:28:22,185 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_free_irq [2022-11-23 03:28:22,185 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_free_irq [2022-11-23 03:28:22,185 INFO L130 BoogieDeclarations]: Found specification of procedure ip_hdr [2022-11-23 03:28:22,185 INFO L138 BoogieDeclarations]: Found implementation of procedure ip_hdr [2022-11-23 03:28:22,185 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_cmd_speed_set [2022-11-23 03:28:22,185 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_cmd_speed_set [2022-11-23 03:28:22,185 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_check_for_link_vf [2022-11-23 03:28:22,185 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_check_for_link_vf [2022-11-23 03:28:22,186 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2022-11-23 03:28:22,186 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2022-11-23 03:28:22,186 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-23 03:28:22,186 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-23 03:28:22,186 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2022-11-23 03:28:22,186 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2022-11-23 03:28:22,186 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_clean_tx_ring [2022-11-23 03:28:22,186 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_clean_tx_ring [2022-11-23 03:28:22,186 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_read_v2p_mailbox [2022-11-23 03:28:22,186 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_read_v2p_mailbox [2022-11-23 03:28:22,186 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_unmap_page [2022-11-23 03:28:22,186 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_unmap_page [2022-11-23 03:28:22,186 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_single_attrs [2022-11-23 03:28:22,186 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_single_attrs [2022-11-23 03:28:22,187 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2022-11-23 03:28:22,187 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2022-11-23 03:28:22,190 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-23 03:28:22,190 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-11-23 03:28:22,191 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-11-23 03:28:22,191 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_remove [2022-11-23 03:28:22,191 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_remove [2022-11-23 03:28:22,191 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_master [2022-11-23 03:28:22,191 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_master [2022-11-23 03:28:22,191 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2022-11-23 03:28:22,191 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2022-11-23 03:28:22,192 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_irq_disable [2022-11-23 03:28:22,192 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_irq_disable [2022-11-23 03:28:22,192 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-23 03:28:22,192 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_configure [2022-11-23 03:28:22,192 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_configure [2022-11-23 03:28:22,192 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_setup_rx_resources [2022-11-23 03:28:22,192 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_setup_rx_resources [2022-11-23 03:28:22,192 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_clean_rx_ring [2022-11-23 03:28:22,194 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_clean_rx_ring [2022-11-23 03:28:22,194 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~~s32~0 [2022-11-23 03:28:22,194 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~~s32~0 [2022-11-23 03:28:22,194 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_obtain_mbx_lock_vf [2022-11-23 03:28:22,195 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_obtain_mbx_lock_vf [2022-11-23 03:28:22,195 INFO L130 BoogieDeclarations]: Found specification of procedure is_zero_ether_addr [2022-11-23 03:28:22,195 INFO L138 BoogieDeclarations]: Found implementation of procedure is_zero_ether_addr [2022-11-23 03:28:22,195 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-23 03:28:22,195 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_check_for_ack_vf [2022-11-23 03:28:22,195 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_check_for_ack_vf [2022-11-23 03:28:22,195 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2022-11-23 03:28:22,195 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2022-11-23 03:28:22,195 INFO L130 BoogieDeclarations]: Found specification of procedure dma_mapping_error [2022-11-23 03:28:22,195 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_mapping_error [2022-11-23 03:28:22,195 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-11-23 03:28:22,196 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-11-23 03:28:22,196 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_request_irq [2022-11-23 03:28:22,196 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_request_irq [2022-11-23 03:28:22,196 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_request_irq [2022-11-23 03:28:22,196 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_request_irq [2022-11-23 03:28:22,196 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_resume [2022-11-23 03:28:22,196 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_resume [2022-11-23 03:28:22,196 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-11-23 03:28:22,196 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-11-23 03:28:22,196 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2022-11-23 03:28:22,196 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2022-11-23 03:28:22,196 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-11-23 03:28:22,197 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-11-23 03:28:22,197 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_put_txbuf [2022-11-23 03:28:22,197 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_put_txbuf [2022-11-23 03:28:22,197 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~~u16~0~TO~~s32~0 [2022-11-23 03:28:22,197 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~~u16~0~TO~~s32~0 [2022-11-23 03:28:22,197 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_poll_for_msg [2022-11-23 03:28:22,197 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_poll_for_msg [2022-11-23 03:28:22,197 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc_array [2022-11-23 03:28:22,197 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc_array [2022-11-23 03:28:22,197 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2022-11-23 03:28:22,197 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2022-11-23 03:28:22,197 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-11-23 03:28:22,198 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-11-23 03:28:22,198 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2022-11-23 03:28:22,198 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2022-11-23 03:28:22,198 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_shutdown [2022-11-23 03:28:22,198 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_shutdown [2022-11-23 03:28:22,198 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-11-23 03:28:22,198 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-11-23 03:28:22,198 INFO L130 BoogieDeclarations]: Found specification of procedure skb_network_header [2022-11-23 03:28:22,198 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_network_header [2022-11-23 03:28:22,198 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_setup_tx_resources [2022-11-23 03:28:22,198 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_setup_tx_resources [2022-11-23 03:28:22,198 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-11-23 03:28:22,199 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-11-23 03:28:22,199 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_get_eeprom_len [2022-11-23 03:28:22,199 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_get_eeprom_len [2022-11-23 03:28:22,199 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-23 03:28:22,199 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u16~0~X~~bool~0~TO~~s32~0 [2022-11-23 03:28:22,199 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u16~0~X~~bool~0~TO~~s32~0 [2022-11-23 03:28:22,199 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-23 03:28:22,199 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-23 03:28:22,199 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~$Pointer$~TO~int [2022-11-23 03:28:22,199 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~$Pointer$~TO~int [2022-11-23 03:28:22,199 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device_mem [2022-11-23 03:28:22,200 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device_mem [2022-11-23 03:28:22,200 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2022-11-23 03:28:22,200 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2022-11-23 03:28:22,200 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2022-11-23 03:28:22,200 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2022-11-23 03:28:22,200 INFO L130 BoogieDeclarations]: Found specification of procedure dma_set_mask_and_coherent [2022-11-23 03:28:22,200 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_set_mask_and_coherent [2022-11-23 03:28:22,200 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_io_resume [2022-11-23 03:28:22,200 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_io_resume [2022-11-23 03:28:22,200 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_free_rx_resources [2022-11-23 03:28:22,200 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_free_rx_resources [2022-11-23 03:28:22,200 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_2_6 [2022-11-23 03:28:22,200 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_2_6 [2022-11-23 03:28:22,200 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_set_multi [2022-11-23 03:28:22,201 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_set_multi [2022-11-23 03:28:22,201 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-11-23 03:28:22,201 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-11-23 03:28:22,201 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_tx_timeout [2022-11-23 03:28:22,201 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_tx_timeout [2022-11-23 03:28:22,201 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2022-11-23 03:28:22,201 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2022-11-23 03:28:22,201 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2022-11-23 03:28:22,201 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2022-11-23 03:28:22,201 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_read_posted_mbx [2022-11-23 03:28:22,201 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_read_posted_mbx [2022-11-23 03:28:22,201 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_1_6 [2022-11-23 03:28:22,202 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_1_6 [2022-11-23 03:28:22,202 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_attrs [2022-11-23 03:28:22,202 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_attrs [2022-11-23 03:28:22,202 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_up [2022-11-23 03:28:22,202 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_up [2022-11-23 03:28:22,202 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2022-11-23 03:28:22,202 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2022-11-23 03:28:22,202 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-23 03:28:22,202 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_page [2022-11-23 03:28:22,202 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_page [2022-11-23 03:28:22,202 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-11-23 03:28:22,202 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-11-23 03:28:22,203 INFO L130 BoogieDeclarations]: Found specification of procedure strncpy [2022-11-23 03:28:23,417 INFO L235 CfgBuilder]: Building ICFG [2022-11-23 03:28:23,429 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-23 03:28:24,019 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-11-23 03:28:31,463 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2022-11-23 03:28:31,687 INFO L276 CfgBuilder]: Performing block encoding [2022-11-23 03:28:31,719 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-23 03:28:31,719 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-23 03:28:31,725 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:28:31 BoogieIcfgContainer [2022-11-23 03:28:31,725 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-23 03:28:31,730 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-23 03:28:31,730 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-23 03:28:31,733 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-23 03:28:31,734 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 03:28:14" (1/3) ... [2022-11-23 03:28:31,736 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3dd7ab65 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 03:28:31, skipping insertion in model container [2022-11-23 03:28:31,736 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:28:21" (2/3) ... [2022-11-23 03:28:31,737 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3dd7ab65 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 03:28:31, skipping insertion in model container [2022-11-23 03:28:31,737 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:28:31" (3/3) ... [2022-11-23 03:28:31,738 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-intel-igbvf-igbvf.cil.i [2022-11-23 03:28:31,759 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-23 03:28:31,759 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-23 03:28:31,877 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-23 03:28:31,883 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;@60c8640c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-23 03:28:31,883 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-23 03:28:31,896 INFO L276 IsEmpty]: Start isEmpty. Operand has 2950 states, 2016 states have (on average 1.2589285714285714) internal successors, (2538), 2057 states have internal predecessors, (2538), 773 states have call successors, (773), 161 states have call predecessors, (773), 160 states have return successors, (765), 751 states have call predecessors, (765), 765 states have call successors, (765) [2022-11-23 03:28:31,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 293 [2022-11-23 03:28:31,923 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 03:28:31,924 INFO L195 NwaCegarLoop]: trace histogram [25, 25, 24, 24, 24, 24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 03:28:31,924 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 03:28:31,929 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 03:28:31,930 INFO L85 PathProgramCache]: Analyzing trace with hash -133350948, now seen corresponding path program 1 times [2022-11-23 03:28:31,940 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 03:28:31,940 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [862731427] [2022-11-23 03:28:31,940 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 03:28:31,941 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 03:28:32,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:28:33,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-23 03:28:33,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:28:33,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:28:33,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:28:33,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-23 03:28:33,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:28:33,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:28:33,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:28:33,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-11-23 03:28:33,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:28:33,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:28:33,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:28:33,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-11-23 03:28:33,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:28:33,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:28:33,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:28:33,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-11-23 03:28:33,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:28:33,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:28:33,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:28:33,235 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-11-23 03:28:33,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:28:33,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:28:33,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:28:33,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-11-23 03:28:33,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:28:33,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:28:33,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:28:33,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-11-23 03:28:33,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:28:33,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:28:33,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:28:33,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-11-23 03:28:33,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:28:33,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:28:33,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:28:33,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-11-23 03:28:33,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:28:33,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:28:33,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:28:33,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-11-23 03:28:33,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:28:33,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:28:33,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:28:33,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-11-23 03:28:33,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:28:33,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:28:33,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:28:33,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-11-23 03:28:33,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:28:33,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:28:33,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:28:33,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-11-23 03:28:33,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:28:33,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:28:33,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:28:33,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-11-23 03:28:33,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:28:33,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:28:33,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:28:33,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-11-23 03:28:33,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:28:33,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:28:33,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:28:33,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-11-23 03:28:33,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:28:33,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:28:33,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:28:33,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-11-23 03:28:33,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:28:33,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:28:33,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:28:33,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-11-23 03:28:33,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:28:33,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:28:33,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:28:33,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2022-11-23 03:28:33,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:28:33,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:28:33,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:28:33,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-11-23 03:28:33,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:28:33,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:28:33,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:28:33,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2022-11-23 03:28:33,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:28:33,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:28:33,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:28:33,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2022-11-23 03:28:33,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:28:33,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:28:33,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:28:33,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-11-23 03:28:33,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:28:33,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:28:33,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:28:33,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2022-11-23 03:28:33,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:28:33,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2022-11-23 03:28:33,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:28:33,865 INFO L134 CoverageAnalysis]: Checked inductivity of 2556 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2556 trivial. 0 not checked. [2022-11-23 03:28:33,866 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-23 03:28:33,866 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [862731427] [2022-11-23 03:28:33,867 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [862731427] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 03:28:33,867 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 03:28:33,868 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-23 03:28:33,869 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [509625457] [2022-11-23 03:28:33,870 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 03:28:33,874 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-23 03:28:33,875 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-23 03:28:33,910 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-23 03:28:33,911 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-23 03:28:33,918 INFO L87 Difference]: Start difference. First operand has 2950 states, 2016 states have (on average 1.2589285714285714) internal successors, (2538), 2057 states have internal predecessors, (2538), 773 states have call successors, (773), 161 states have call predecessors, (773), 160 states have return successors, (765), 751 states have call predecessors, (765), 765 states have call successors, (765) Second operand has 4 states, 4 states have (on average 12.5) internal successors, (50), 3 states have internal predecessors, (50), 3 states have call successors, (29), 3 states have call predecessors, (29), 1 states have return successors, (27), 3 states have call predecessors, (27), 3 states have call successors, (27) [2022-11-23 03:28:46,044 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 03:28:46,045 INFO L93 Difference]: Finished difference Result 9300 states and 13170 transitions. [2022-11-23 03:28:46,046 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-23 03:28:46,048 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.5) internal successors, (50), 3 states have internal predecessors, (50), 3 states have call successors, (29), 3 states have call predecessors, (29), 1 states have return successors, (27), 3 states have call predecessors, (27), 3 states have call successors, (27) Word has length 292 [2022-11-23 03:28:46,049 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 03:28:46,124 INFO L225 Difference]: With dead ends: 9300 [2022-11-23 03:28:46,125 INFO L226 Difference]: Without dead ends: 6389 [2022-11-23 03:28:46,149 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 105 GetRequests, 102 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-23 03:28:46,153 INFO L413 NwaCegarLoop]: 3347 mSDtfsCounter, 5949 mSDsluCounter, 4020 mSDsCounter, 0 mSdLazyCounter, 4432 mSolverCounterSat, 2416 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6666 SdHoareTripleChecker+Valid, 7367 SdHoareTripleChecker+Invalid, 6848 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 2416 IncrementalHoareTripleChecker+Valid, 4432 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.2s IncrementalHoareTripleChecker+Time [2022-11-23 03:28:46,154 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6666 Valid, 7367 Invalid, 6848 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [2416 Valid, 4432 Invalid, 0 Unknown, 0 Unchecked, 11.2s Time] [2022-11-23 03:28:46,186 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6389 states. [2022-11-23 03:28:46,654 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6389 to 5737. [2022-11-23 03:28:46,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5737 states, 3948 states have (on average 1.2515197568389058) internal successors, (4941), 4027 states have internal predecessors, (4941), 1472 states have call successors, (1472), 317 states have call predecessors, (1472), 316 states have return successors, (1468), 1440 states have call predecessors, (1468), 1468 states have call successors, (1468) [2022-11-23 03:28:46,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5737 states to 5737 states and 7881 transitions. [2022-11-23 03:28:46,709 INFO L78 Accepts]: Start accepts. Automaton has 5737 states and 7881 transitions. Word has length 292 [2022-11-23 03:28:46,713 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 03:28:46,714 INFO L495 AbstractCegarLoop]: Abstraction has 5737 states and 7881 transitions. [2022-11-23 03:28:46,714 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.5) internal successors, (50), 3 states have internal predecessors, (50), 3 states have call successors, (29), 3 states have call predecessors, (29), 1 states have return successors, (27), 3 states have call predecessors, (27), 3 states have call successors, (27) [2022-11-23 03:28:46,714 INFO L276 IsEmpty]: Start isEmpty. Operand 5737 states and 7881 transitions. [2022-11-23 03:28:46,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 349 [2022-11-23 03:28:46,738 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 03:28:46,739 INFO L195 NwaCegarLoop]: trace histogram [28, 28, 24, 24, 24, 24, 24, 24, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 03:28:46,739 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-23 03:28:46,740 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 03:28:46,740 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 03:28:46,740 INFO L85 PathProgramCache]: Analyzing trace with hash -514963166, now seen corresponding path program 1 times [2022-11-23 03:28:46,741 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 03:28:46,741 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1927513623] [2022-11-23 03:28:46,741 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 03:28:46,742 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 03:28:46,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:28:47,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-23 03:28:47,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:28:47,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:28:47,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:28:47,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-23 03:28:47,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:28:47,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:28:47,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:28:47,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-11-23 03:28:47,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:28:47,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:28:47,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:28:47,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-11-23 03:28:47,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:28:47,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:28:47,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:28:47,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-11-23 03:28:47,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:28:47,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:28:47,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:28:47,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-11-23 03:28:47,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:28:47,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:28:47,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:28:47,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-11-23 03:28:47,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:28:47,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:28:47,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:28:47,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-11-23 03:28:47,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:28:47,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:28:47,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:28:47,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-11-23 03:28:47,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:28:47,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:28:47,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:28:47,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-11-23 03:28:47,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:28:47,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:28:47,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:28:47,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-11-23 03:28:47,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:28:47,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:28:47,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:28:47,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-11-23 03:28:47,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:28:47,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:28:47,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:28:47,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-11-23 03:28:47,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:28:47,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:28:47,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:28:47,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-11-23 03:28:47,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:28:47,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:28:47,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:28:47,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-11-23 03:28:47,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:28:47,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:28:47,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:28:47,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-11-23 03:28:47,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:28:47,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:28:47,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:28:47,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-11-23 03:28:47,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:28:47,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:28:47,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:28:47,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-11-23 03:28:47,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:28:47,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:28:47,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:28:47,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-11-23 03:28:47,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:28:47,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:28:47,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:28:47,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2022-11-23 03:28:47,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:28:47,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:28:47,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:28:47,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-11-23 03:28:47,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:28:47,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:28:47,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:28:47,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2022-11-23 03:28:47,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:28:47,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:28:47,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:28:47,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2022-11-23 03:28:47,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:28:47,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:28:47,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:28:47,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-11-23 03:28:47,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:28:47,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:28:47,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:28:47,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2022-11-23 03:28:47,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:28:47,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 283 [2022-11-23 03:28:47,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:28:47,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 290 [2022-11-23 03:28:47,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:28:47,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 296 [2022-11-23 03:28:47,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:28:48,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2022-11-23 03:28:48,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:28:48,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:28:48,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:28:48,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 318 [2022-11-23 03:28:48,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:28:48,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 325 [2022-11-23 03:28:48,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:28:48,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 338 [2022-11-23 03:28:48,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:28:48,073 INFO L134 CoverageAnalysis]: Checked inductivity of 2824 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 2814 trivial. 0 not checked. [2022-11-23 03:28:48,073 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-23 03:28:48,073 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1927513623] [2022-11-23 03:28:48,078 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1927513623] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 03:28:48,078 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 03:28:48,078 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-23 03:28:48,078 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [905270488] [2022-11-23 03:28:48,079 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 03:28:48,082 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-23 03:28:48,082 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-23 03:28:48,082 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-23 03:28:48,083 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-23 03:28:48,084 INFO L87 Difference]: Start difference. First operand 5737 states and 7881 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, (36), 3 states have call predecessors, (36), 1 states have return successors, (34), 3 states have call predecessors, (34), 3 states have call successors, (34) [2022-11-23 03:29:00,131 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 03:29:00,131 INFO L93 Difference]: Finished difference Result 12410 states and 17283 transitions. [2022-11-23 03:29:00,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-23 03:29:00,132 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, (36), 3 states have call predecessors, (36), 1 states have return successors, (34), 3 states have call predecessors, (34), 3 states have call successors, (34) Word has length 348 [2022-11-23 03:29:00,139 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 03:29:00,213 INFO L225 Difference]: With dead ends: 12410 [2022-11-23 03:29:00,214 INFO L226 Difference]: Without dead ends: 9518 [2022-11-23 03:29:00,232 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 119 GetRequests, 116 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-23 03:29:00,234 INFO L413 NwaCegarLoop]: 5545 mSDtfsCounter, 4671 mSDsluCounter, 5406 mSDsCounter, 0 mSdLazyCounter, 5382 mSolverCounterSat, 1644 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5381 SdHoareTripleChecker+Valid, 10951 SdHoareTripleChecker+Invalid, 7026 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1644 IncrementalHoareTripleChecker+Valid, 5382 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.3s IncrementalHoareTripleChecker+Time [2022-11-23 03:29:00,234 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5381 Valid, 10951 Invalid, 7026 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1644 Valid, 5382 Invalid, 0 Unknown, 0 Unchecked, 11.3s Time] [2022-11-23 03:29:00,250 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9518 states. [2022-11-23 03:29:00,713 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9518 to 8540. [2022-11-23 03:29:00,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8540 states, 5887 states have (on average 1.2520808561236623) internal successors, (7371), 6004 states have internal predecessors, (7371), 2179 states have call successors, (2179), 474 states have call predecessors, (2179), 473 states have return successors, (2175), 2133 states have call predecessors, (2175), 2175 states have call successors, (2175) [2022-11-23 03:29:00,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8540 states to 8540 states and 11725 transitions. [2022-11-23 03:29:00,784 INFO L78 Accepts]: Start accepts. Automaton has 8540 states and 11725 transitions. Word has length 348 [2022-11-23 03:29:00,786 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 03:29:00,786 INFO L495 AbstractCegarLoop]: Abstraction has 8540 states and 11725 transitions. [2022-11-23 03:29:00,787 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, (36), 3 states have call predecessors, (36), 1 states have return successors, (34), 3 states have call predecessors, (34), 3 states have call successors, (34) [2022-11-23 03:29:00,787 INFO L276 IsEmpty]: Start isEmpty. Operand 8540 states and 11725 transitions. [2022-11-23 03:29:00,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 349 [2022-11-23 03:29:00,802 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 03:29:00,802 INFO L195 NwaCegarLoop]: trace histogram [28, 28, 24, 24, 24, 24, 24, 24, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 03:29:00,802 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-23 03:29:00,802 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 03:29:00,803 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 03:29:00,803 INFO L85 PathProgramCache]: Analyzing trace with hash -374414556, now seen corresponding path program 1 times [2022-11-23 03:29:00,803 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 03:29:00,804 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1909617061] [2022-11-23 03:29:00,804 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 03:29:00,804 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 03:29:00,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:29:01,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-23 03:29:01,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:29:01,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:29:01,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:29:01,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-23 03:29:01,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:29:01,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:29:01,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:29:01,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-11-23 03:29:01,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:29:01,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:29:01,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:29:01,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-11-23 03:29:01,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:29:01,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:29:01,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:29:01,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-11-23 03:29:01,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:29:01,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:29:01,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:29:01,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-11-23 03:29:01,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:29:01,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:29:01,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:29:01,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-11-23 03:29:01,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:29:01,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:29:01,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:29:01,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-11-23 03:29:01,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:29:01,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:29:01,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:29:01,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-11-23 03:29:01,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:29:02,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:29:02,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:29:02,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-11-23 03:29:02,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:29:02,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:29:02,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:29:02,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-11-23 03:29:02,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:29:02,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:29:02,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:29:02,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-11-23 03:29:02,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:29:02,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:29:02,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:29:02,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-11-23 03:29:02,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:29:02,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:29:02,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:29:02,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-11-23 03:29:02,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:29:02,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:29:02,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:29:02,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-11-23 03:29:02,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:29:02,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:29:02,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:29:02,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-11-23 03:29:02,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:29:02,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:29:02,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:29:02,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-11-23 03:29:02,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:29:02,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:29:02,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:29:02,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-11-23 03:29:02,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:29:02,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:29:02,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:29:02,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-11-23 03:29:02,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:29:02,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:29:02,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:29:02,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2022-11-23 03:29:02,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:29:02,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:29:02,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:29:02,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-11-23 03:29:02,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:29:02,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:29:02,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:29:02,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2022-11-23 03:29:02,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:29:02,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:29:02,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:29:02,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2022-11-23 03:29:02,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:29:02,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:29:02,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:29:02,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-11-23 03:29:02,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:29:02,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:29:02,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:29:02,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2022-11-23 03:29:02,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:29:02,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 283 [2022-11-23 03:29:02,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:29:02,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 290 [2022-11-23 03:29:02,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:29:02,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 296 [2022-11-23 03:29:02,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:29:02,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2022-11-23 03:29:02,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:29:02,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:29:02,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:29:02,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 318 [2022-11-23 03:29:02,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:29:02,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 325 [2022-11-23 03:29:02,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:29:02,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 338 [2022-11-23 03:29:02,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:29:02,786 INFO L134 CoverageAnalysis]: Checked inductivity of 2824 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2824 trivial. 0 not checked. [2022-11-23 03:29:02,787 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-23 03:29:02,787 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1909617061] [2022-11-23 03:29:02,787 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1909617061] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 03:29:02,790 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 03:29:02,790 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-23 03:29:02,791 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1641845801] [2022-11-23 03:29:02,791 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 03:29:02,794 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-23 03:29:02,794 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-23 03:29:02,795 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-23 03:29:02,795 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-23 03:29:02,795 INFO L87 Difference]: Start difference. First operand 8540 states and 11725 transitions. Second operand has 6 states, 6 states have (on average 11.5) internal successors, (69), 4 states have internal predecessors, (69), 2 states have call successors, (35), 4 states have call predecessors, (35), 1 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) [2022-11-23 03:29:10,947 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 03:29:10,947 INFO L93 Difference]: Finished difference Result 9524 states and 13314 transitions. [2022-11-23 03:29:10,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-23 03:29:10,948 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.5) internal successors, (69), 4 states have internal predecessors, (69), 2 states have call successors, (35), 4 states have call predecessors, (35), 1 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) Word has length 348 [2022-11-23 03:29:10,948 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 03:29:11,001 INFO L225 Difference]: With dead ends: 9524 [2022-11-23 03:29:11,002 INFO L226 Difference]: Without dead ends: 9522 [2022-11-23 03:29:11,008 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 123 GetRequests, 115 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2022-11-23 03:29:11,009 INFO L413 NwaCegarLoop]: 2847 mSDtfsCounter, 4594 mSDsluCounter, 6457 mSDsCounter, 0 mSdLazyCounter, 5302 mSolverCounterSat, 1808 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5009 SdHoareTripleChecker+Valid, 9304 SdHoareTripleChecker+Invalid, 7110 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1808 IncrementalHoareTripleChecker+Valid, 5302 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.5s IncrementalHoareTripleChecker+Time [2022-11-23 03:29:11,009 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5009 Valid, 9304 Invalid, 7110 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1808 Valid, 5302 Invalid, 0 Unknown, 0 Unchecked, 7.5s Time] [2022-11-23 03:29:11,021 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9522 states. [2022-11-23 03:29:11,439 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9522 to 8544. [2022-11-23 03:29:11,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8544 states, 5890 states have (on average 1.2519524617996605) internal successors, (7374), 6007 states have internal predecessors, (7374), 2179 states have call successors, (2179), 475 states have call predecessors, (2179), 474 states have return successors, (2175), 2133 states have call predecessors, (2175), 2175 states have call successors, (2175) [2022-11-23 03:29:11,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8544 states to 8544 states and 11728 transitions. [2022-11-23 03:29:11,488 INFO L78 Accepts]: Start accepts. Automaton has 8544 states and 11728 transitions. Word has length 348 [2022-11-23 03:29:11,493 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 03:29:11,493 INFO L495 AbstractCegarLoop]: Abstraction has 8544 states and 11728 transitions. [2022-11-23 03:29:11,493 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.5) internal successors, (69), 4 states have internal predecessors, (69), 2 states have call successors, (35), 4 states have call predecessors, (35), 1 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) [2022-11-23 03:29:11,493 INFO L276 IsEmpty]: Start isEmpty. Operand 8544 states and 11728 transitions. [2022-11-23 03:29:11,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 354 [2022-11-23 03:29:11,508 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 03:29:11,508 INFO L195 NwaCegarLoop]: trace histogram [28, 28, 24, 24, 24, 24, 24, 24, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 03:29:11,508 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-23 03:29:11,510 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 03:29:11,511 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 03:29:11,511 INFO L85 PathProgramCache]: Analyzing trace with hash -791257753, now seen corresponding path program 1 times [2022-11-23 03:29:11,511 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 03:29:11,511 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [950318262] [2022-11-23 03:29:11,511 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 03:29:11,512 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 03:29:11,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:29:12,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-23 03:29:12,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:29:12,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:29:12,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:29:12,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-23 03:29:12,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:29:12,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:29:12,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:29:12,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-11-23 03:29:12,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:29:12,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:29:12,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:29:12,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-11-23 03:29:12,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:29:12,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:29:12,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:29:12,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-11-23 03:29:12,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:29:12,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:29:12,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:29:12,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-11-23 03:29:12,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:29:12,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:29:12,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:29:12,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-11-23 03:29:12,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:29:12,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:29:12,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:29:12,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-11-23 03:29:12,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:29:12,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:29:12,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:29:12,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-11-23 03:29:12,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:29:12,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:29:12,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:29:12,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-11-23 03:29:12,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:29:12,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:29:12,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:29:12,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-11-23 03:29:12,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:29:12,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:29:12,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:29:12,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-11-23 03:29:12,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:29:12,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:29:12,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:29:12,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-11-23 03:29:12,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:29:12,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:29:12,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:29:12,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-11-23 03:29:12,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:29:12,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:29:12,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:29:12,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-11-23 03:29:12,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:29:12,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:29:12,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:29:12,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-11-23 03:29:12,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:29:12,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:29:12,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:29:12,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-11-23 03:29:12,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:29:12,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:29:12,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:29:12,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-11-23 03:29:12,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:29:12,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:29:12,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:29:13,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-11-23 03:29:13,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:29:13,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:29:13,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:29:13,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2022-11-23 03:29:13,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:29:13,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:29:13,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:29:13,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-11-23 03:29:13,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:29:13,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:29:13,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:29:13,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2022-11-23 03:29:13,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:29:13,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:29:13,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:29:13,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2022-11-23 03:29:13,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:29:13,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:29:13,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:29:13,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-11-23 03:29:13,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:29:13,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:29:13,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:29:13,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2022-11-23 03:29:13,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:29:13,202 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 283 [2022-11-23 03:29:13,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:29:13,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 290 [2022-11-23 03:29:13,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:29:13,235 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 296 [2022-11-23 03:29:13,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:29:13,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2022-11-23 03:29:13,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:29:13,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:29:13,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:29:13,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 318 [2022-11-23 03:29:13,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:29:13,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 325 [2022-11-23 03:29:13,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:29:13,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 338 [2022-11-23 03:29:13,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:29:13,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2022-11-23 03:29:13,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:29:13,338 INFO L134 CoverageAnalysis]: Checked inductivity of 2826 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2824 trivial. 0 not checked. [2022-11-23 03:29:13,338 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-23 03:29:13,338 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [950318262] [2022-11-23 03:29:13,338 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [950318262] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 03:29:13,339 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 03:29:13,339 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-23 03:29:13,339 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [35639676] [2022-11-23 03:29:13,339 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 03:29:13,340 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-23 03:29:13,340 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-23 03:29:13,340 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-23 03:29:13,340 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-23 03:29:13,341 INFO L87 Difference]: Start difference. First operand 8544 states and 11728 transitions. Second operand has 6 states, 6 states have (on average 12.0) internal successors, (72), 4 states have internal predecessors, (72), 2 states have call successors, (36), 4 states have call predecessors, (36), 1 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) [2022-11-23 03:29:21,115 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 03:29:21,115 INFO L93 Difference]: Finished difference Result 9528 states and 13317 transitions. [2022-11-23 03:29:21,115 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-23 03:29:21,116 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 12.0) internal successors, (72), 4 states have internal predecessors, (72), 2 states have call successors, (36), 4 states have call predecessors, (36), 1 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) Word has length 353 [2022-11-23 03:29:21,121 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 03:29:21,192 INFO L225 Difference]: With dead ends: 9528 [2022-11-23 03:29:21,192 INFO L226 Difference]: Without dead ends: 9526 [2022-11-23 03:29:21,199 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 125 GetRequests, 117 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2022-11-23 03:29:21,200 INFO L413 NwaCegarLoop]: 2865 mSDtfsCounter, 4574 mSDsluCounter, 6494 mSDsCounter, 0 mSdLazyCounter, 5314 mSolverCounterSat, 1794 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4988 SdHoareTripleChecker+Valid, 9359 SdHoareTripleChecker+Invalid, 7108 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1794 IncrementalHoareTripleChecker+Valid, 5314 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.1s IncrementalHoareTripleChecker+Time [2022-11-23 03:29:21,201 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4988 Valid, 9359 Invalid, 7108 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1794 Valid, 5314 Invalid, 0 Unknown, 0 Unchecked, 7.1s Time] [2022-11-23 03:29:21,214 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9526 states. [2022-11-23 03:29:21,680 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9526 to 8548. [2022-11-23 03:29:21,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8548 states, 5893 states have (on average 1.2518241982012557) internal successors, (7377), 6010 states have internal predecessors, (7377), 2179 states have call successors, (2179), 476 states have call predecessors, (2179), 475 states have return successors, (2175), 2133 states have call predecessors, (2175), 2175 states have call successors, (2175) [2022-11-23 03:29:21,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8548 states to 8548 states and 11731 transitions. [2022-11-23 03:29:21,729 INFO L78 Accepts]: Start accepts. Automaton has 8548 states and 11731 transitions. Word has length 353 [2022-11-23 03:29:21,730 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 03:29:21,730 INFO L495 AbstractCegarLoop]: Abstraction has 8548 states and 11731 transitions. [2022-11-23 03:29:21,731 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 12.0) internal successors, (72), 4 states have internal predecessors, (72), 2 states have call successors, (36), 4 states have call predecessors, (36), 1 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) [2022-11-23 03:29:21,731 INFO L276 IsEmpty]: Start isEmpty. Operand 8548 states and 11731 transitions. [2022-11-23 03:29:21,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 359 [2022-11-23 03:29:21,747 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 03:29:21,748 INFO L195 NwaCegarLoop]: trace histogram [28, 28, 24, 24, 24, 24, 24, 24, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 03:29:21,748 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-23 03:29:21,748 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 03:29:21,749 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 03:29:21,749 INFO L85 PathProgramCache]: Analyzing trace with hash -339940156, now seen corresponding path program 1 times [2022-11-23 03:29:21,749 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 03:29:21,749 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1488859760] [2022-11-23 03:29:21,749 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 03:29:21,750 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 03:29:21,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:29:22,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-23 03:29:22,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:29:22,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:29:22,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:29:22,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-23 03:29:22,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:29:22,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:29:22,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:29:22,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-11-23 03:29:22,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:29:22,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:29:22,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:29:22,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-11-23 03:29:22,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:29:22,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:29:22,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:29:22,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-11-23 03:29:22,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:29:22,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:29:22,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:29:22,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-11-23 03:29:22,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:29:22,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:29:22,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:29:22,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-11-23 03:29:22,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:29:22,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:29:22,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:29:22,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-11-23 03:29:22,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:29:22,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:29:22,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:29:22,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-11-23 03:29:22,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:29:23,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:29:23,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:29:23,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-11-23 03:29:23,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:29:23,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:29:23,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:29:23,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-11-23 03:29:23,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:29:23,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:29:23,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:29:23,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-11-23 03:29:23,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:29:23,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:29:23,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:29:23,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-11-23 03:29:23,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:29:23,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:29:23,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:29:23,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-11-23 03:29:23,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:29:23,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:29:23,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:29:23,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-11-23 03:29:23,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:29:23,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:29:23,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:29:23,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-11-23 03:29:23,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:29:23,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:29:23,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:29:23,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-11-23 03:29:23,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:29:23,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:29:23,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:29:23,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-11-23 03:29:23,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:29:23,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:29:23,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:29:23,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-11-23 03:29:23,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:29:23,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:29:23,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:29:23,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2022-11-23 03:29:23,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:29:23,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:29:23,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:29:23,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-11-23 03:29:23,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:29:23,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:29:23,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:29:23,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2022-11-23 03:29:23,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:29:23,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:29:23,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:29:23,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2022-11-23 03:29:23,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:29:23,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:29:23,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:29:23,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-11-23 03:29:23,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:29:23,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:29:23,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:29:23,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2022-11-23 03:29:23,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:29:23,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 283 [2022-11-23 03:29:23,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:29:23,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 290 [2022-11-23 03:29:23,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:29:23,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 296 [2022-11-23 03:29:23,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:29:23,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2022-11-23 03:29:23,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:29:23,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:29:23,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:29:23,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 318 [2022-11-23 03:29:23,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:29:23,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 325 [2022-11-23 03:29:23,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:29:23,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 338 [2022-11-23 03:29:23,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:29:23,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2022-11-23 03:29:23,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:29:23,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 349 [2022-11-23 03:29:23,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:29:23,546 INFO L134 CoverageAnalysis]: Checked inductivity of 2832 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 2828 trivial. 0 not checked. [2022-11-23 03:29:23,546 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-23 03:29:23,546 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1488859760] [2022-11-23 03:29:23,546 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1488859760] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 03:29:23,546 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 03:29:23,547 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-23 03:29:23,547 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1491471944] [2022-11-23 03:29:23,547 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 03:29:23,548 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-23 03:29:23,548 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-23 03:29:23,549 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-23 03:29:23,549 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-23 03:29:23,549 INFO L87 Difference]: Start difference. First operand 8548 states and 11731 transitions. Second operand has 6 states, 6 states have (on average 12.0) internal successors, (72), 4 states have internal predecessors, (72), 2 states have call successors, (37), 4 states have call predecessors, (37), 1 states have return successors, (35), 2 states have call predecessors, (35), 2 states have call successors, (35) [2022-11-23 03:29:31,170 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 03:29:31,170 INFO L93 Difference]: Finished difference Result 9532 states and 13320 transitions. [2022-11-23 03:29:31,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-23 03:29:31,171 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 12.0) internal successors, (72), 4 states have internal predecessors, (72), 2 states have call successors, (37), 4 states have call predecessors, (37), 1 states have return successors, (35), 2 states have call predecessors, (35), 2 states have call successors, (35) Word has length 358 [2022-11-23 03:29:31,171 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 03:29:31,220 INFO L225 Difference]: With dead ends: 9532 [2022-11-23 03:29:31,221 INFO L226 Difference]: Without dead ends: 9530 [2022-11-23 03:29:31,227 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 127 GetRequests, 119 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2022-11-23 03:29:31,228 INFO L413 NwaCegarLoop]: 2860 mSDtfsCounter, 4578 mSDsluCounter, 6486 mSDsCounter, 0 mSdLazyCounter, 5307 mSolverCounterSat, 1801 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4990 SdHoareTripleChecker+Valid, 9346 SdHoareTripleChecker+Invalid, 7108 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1801 IncrementalHoareTripleChecker+Valid, 5307 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.9s IncrementalHoareTripleChecker+Time [2022-11-23 03:29:31,229 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4990 Valid, 9346 Invalid, 7108 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1801 Valid, 5307 Invalid, 0 Unknown, 0 Unchecked, 6.9s Time] [2022-11-23 03:29:31,241 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9530 states. [2022-11-23 03:29:31,783 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9530 to 8552. [2022-11-23 03:29:31,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8552 states, 5896 states have (on average 1.2516960651289009) internal successors, (7380), 6013 states have internal predecessors, (7380), 2179 states have call successors, (2179), 477 states have call predecessors, (2179), 476 states have return successors, (2175), 2133 states have call predecessors, (2175), 2175 states have call successors, (2175) [2022-11-23 03:29:31,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8552 states to 8552 states and 11734 transitions. [2022-11-23 03:29:31,834 INFO L78 Accepts]: Start accepts. Automaton has 8552 states and 11734 transitions. Word has length 358 [2022-11-23 03:29:31,835 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 03:29:31,836 INFO L495 AbstractCegarLoop]: Abstraction has 8552 states and 11734 transitions. [2022-11-23 03:29:31,836 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 12.0) internal successors, (72), 4 states have internal predecessors, (72), 2 states have call successors, (37), 4 states have call predecessors, (37), 1 states have return successors, (35), 2 states have call predecessors, (35), 2 states have call successors, (35) [2022-11-23 03:29:31,836 INFO L276 IsEmpty]: Start isEmpty. Operand 8552 states and 11734 transitions. [2022-11-23 03:29:31,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 376 [2022-11-23 03:29:31,856 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 03:29:31,856 INFO L195 NwaCegarLoop]: trace histogram [28, 28, 24, 24, 24, 24, 24, 24, 5, 5, 5, 4, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 03:29:31,856 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-23 03:29:31,857 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 03:29:31,857 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 03:29:31,857 INFO L85 PathProgramCache]: Analyzing trace with hash 1667062634, now seen corresponding path program 1 times [2022-11-23 03:29:31,857 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 03:29:31,858 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1003305112] [2022-11-23 03:29:31,858 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 03:29:31,858 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 03:29:32,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:29:32,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-23 03:29:32,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:29:32,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:29:32,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:29:32,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-23 03:29:32,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:29:32,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:29:32,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:29:32,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-11-23 03:29:32,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:29:32,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:29:32,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:29:32,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-11-23 03:29:32,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:29:32,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:29:32,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:29:32,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-11-23 03:29:32,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:29:32,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:29:32,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:29:32,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-11-23 03:29:32,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:29:32,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:29:32,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:29:32,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-11-23 03:29:32,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:29:32,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:29:32,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:29:32,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-11-23 03:29:32,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:29:32,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:29:32,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:29:32,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-11-23 03:29:32,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:29:32,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:29:32,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:29:32,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-11-23 03:29:32,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:29:32,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:29:32,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:29:32,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-11-23 03:29:32,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:29:32,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:29:32,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:29:32,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-11-23 03:29:32,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:29:32,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:29:32,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:29:32,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-11-23 03:29:32,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:29:32,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:29:32,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:29:32,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-11-23 03:29:32,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:29:32,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:29:32,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:29:32,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-11-23 03:29:32,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:29:32,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:29:32,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:29:32,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-11-23 03:29:32,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:29:32,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:29:32,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:29:32,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-11-23 03:29:32,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:29:32,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:29:32,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:29:32,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-11-23 03:29:32,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:29:32,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:29:32,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:29:32,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-11-23 03:29:32,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:29:32,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:29:32,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:29:32,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2022-11-23 03:29:32,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:29:32,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:29:32,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:29:32,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-11-23 03:29:32,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:29:32,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:29:32,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:29:32,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2022-11-23 03:29:32,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:29:32,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:29:32,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:29:32,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2022-11-23 03:29:32,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:29:32,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:29:32,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:29:32,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-11-23 03:29:32,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:29:32,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:29:32,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:29:32,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2022-11-23 03:29:32,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:29:32,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 283 [2022-11-23 03:29:32,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:29:32,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 290 [2022-11-23 03:29:32,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:29:32,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 296 [2022-11-23 03:29:32,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:29:32,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2022-11-23 03:29:32,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:29:32,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:29:32,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:29:32,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 318 [2022-11-23 03:29:32,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:29:32,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 325 [2022-11-23 03:29:32,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:29:32,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 334 [2022-11-23 03:29:32,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:29:32,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 339 [2022-11-23 03:29:32,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:29:32,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-23 03:29:32,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:29:32,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 356 [2022-11-23 03:29:32,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:29:32,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 361 [2022-11-23 03:29:32,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:29:32,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2022-11-23 03:29:32,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:29:32,911 INFO L134 CoverageAnalysis]: Checked inductivity of 2854 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 2842 trivial. 0 not checked. [2022-11-23 03:29:32,911 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-23 03:29:32,912 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1003305112] [2022-11-23 03:29:32,912 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1003305112] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 03:29:32,912 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 03:29:32,912 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-23 03:29:32,912 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1440580248] [2022-11-23 03:29:32,913 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 03:29:32,915 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-23 03:29:32,915 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-23 03:29:32,915 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-23 03:29:32,915 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-23 03:29:32,916 INFO L87 Difference]: Start difference. First operand 8552 states and 11734 transitions. Second operand has 5 states, 5 states have (on average 17.0) internal successors, (85), 3 states have internal predecessors, (85), 3 states have call successors, (41), 4 states have call predecessors, (41), 1 states have return successors, (39), 3 states have call predecessors, (39), 3 states have call successors, (39) [2022-11-23 03:29:41,544 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.77s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 03:29:55,062 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 03:29:55,062 INFO L93 Difference]: Finished difference Result 18399 states and 25552 transitions. [2022-11-23 03:29:55,063 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-23 03:29:55,063 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 17.0) internal successors, (85), 3 states have internal predecessors, (85), 3 states have call successors, (41), 4 states have call predecessors, (41), 1 states have return successors, (39), 3 states have call predecessors, (39), 3 states have call successors, (39) Word has length 375 [2022-11-23 03:29:55,064 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 03:29:55,133 INFO L225 Difference]: With dead ends: 18399 [2022-11-23 03:29:55,133 INFO L226 Difference]: Without dead ends: 12692 [2022-11-23 03:29:55,164 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 133 GetRequests, 127 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-11-23 03:29:55,166 INFO L413 NwaCegarLoop]: 3400 mSDtfsCounter, 6022 mSDsluCounter, 5403 mSDsCounter, 0 mSdLazyCounter, 10381 mSolverCounterSat, 4132 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 18.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6520 SdHoareTripleChecker+Valid, 8803 SdHoareTripleChecker+Invalid, 14513 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4132 IncrementalHoareTripleChecker+Valid, 10381 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 20.8s IncrementalHoareTripleChecker+Time [2022-11-23 03:29:55,166 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6520 Valid, 8803 Invalid, 14513 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4132 Valid, 10381 Invalid, 0 Unknown, 0 Unchecked, 20.8s Time] [2022-11-23 03:29:55,186 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12692 states. [2022-11-23 03:29:56,150 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12692 to 11356. [2022-11-23 03:29:56,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11356 states, 7836 states have (on average 1.2520418580908628) internal successors, (9811), 7991 states have internal predecessors, (9811), 2886 states have call successors, (2886), 634 states have call predecessors, (2886), 633 states have return successors, (2882), 2826 states have call predecessors, (2882), 2882 states have call successors, (2882) [2022-11-23 03:29:56,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11356 states to 11356 states and 15579 transitions. [2022-11-23 03:29:56,221 INFO L78 Accepts]: Start accepts. Automaton has 11356 states and 15579 transitions. Word has length 375 [2022-11-23 03:29:56,222 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 03:29:56,222 INFO L495 AbstractCegarLoop]: Abstraction has 11356 states and 15579 transitions. [2022-11-23 03:29:56,223 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 17.0) internal successors, (85), 3 states have internal predecessors, (85), 3 states have call successors, (41), 4 states have call predecessors, (41), 1 states have return successors, (39), 3 states have call predecessors, (39), 3 states have call successors, (39) [2022-11-23 03:29:56,223 INFO L276 IsEmpty]: Start isEmpty. Operand 11356 states and 15579 transitions. [2022-11-23 03:29:56,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 364 [2022-11-23 03:29:56,241 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 03:29:56,242 INFO L195 NwaCegarLoop]: trace histogram [28, 28, 24, 24, 24, 24, 24, 24, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 03:29:56,242 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-23 03:29:56,242 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 03:29:56,242 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 03:29:56,243 INFO L85 PathProgramCache]: Analyzing trace with hash 1416070983, now seen corresponding path program 1 times [2022-11-23 03:29:56,243 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 03:29:56,243 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1943184545] [2022-11-23 03:29:56,243 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 03:29:56,243 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 03:29:56,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:29:56,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-23 03:29:56,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:29:57,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:29:57,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:29:57,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-23 03:29:57,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:29:57,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:29:57,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:29:57,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-11-23 03:29:57,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:29:57,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:29:57,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:29:57,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-11-23 03:29:57,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:29:57,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:29:57,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:29:57,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-11-23 03:29:57,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:29:57,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:29:57,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:29:57,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-11-23 03:29:57,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:29:57,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:29:57,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:29:57,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-11-23 03:29:57,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:29:57,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:29:57,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:29:57,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-11-23 03:29:57,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:29:57,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:29:57,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:29:57,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-11-23 03:29:57,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:29:57,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:29:57,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:29:57,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-11-23 03:29:57,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:29:57,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:29:57,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:29:57,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-11-23 03:29:57,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:29:57,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:29:57,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:29:57,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-11-23 03:29:57,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:29:57,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:29:57,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:29:57,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-11-23 03:29:57,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:29:57,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:29:57,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:29:57,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-11-23 03:29:57,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:29:57,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:29:57,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:29:57,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-11-23 03:29:57,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:29:57,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:29:57,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:29:57,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-11-23 03:29:57,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:29:57,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:29:57,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:29:57,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-11-23 03:29:57,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:29:57,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:29:57,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:29:57,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-11-23 03:29:57,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:29:57,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:29:57,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:29:57,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-11-23 03:29:57,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:29:57,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:29:57,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:29:57,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2022-11-23 03:29:57,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:29:57,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:29:57,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:29:57,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-11-23 03:29:57,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:29:57,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:29:57,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:29:57,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2022-11-23 03:29:57,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:29:57,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:29:57,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:29:57,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2022-11-23 03:29:57,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:29:57,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:29:57,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:29:57,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-11-23 03:29:57,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:29:57,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:29:57,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:29:57,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2022-11-23 03:29:57,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:29:57,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 283 [2022-11-23 03:29:57,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:29:57,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 290 [2022-11-23 03:29:57,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:29:57,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 296 [2022-11-23 03:29:57,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:29:57,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2022-11-23 03:29:57,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:29:57,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:29:57,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:29:57,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 318 [2022-11-23 03:29:57,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:29:57,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 325 [2022-11-23 03:29:57,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:29:57,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 338 [2022-11-23 03:29:57,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:29:57,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2022-11-23 03:29:57,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:29:57,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 349 [2022-11-23 03:29:57,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:29:57,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 354 [2022-11-23 03:29:57,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:29:57,845 INFO L134 CoverageAnalysis]: Checked inductivity of 2842 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2836 trivial. 0 not checked. [2022-11-23 03:29:57,845 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-23 03:29:57,845 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1943184545] [2022-11-23 03:29:57,846 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1943184545] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 03:29:57,846 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 03:29:57,846 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-23 03:29:57,846 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [44309919] [2022-11-23 03:29:57,846 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 03:29:57,847 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-23 03:29:57,847 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-23 03:29:57,847 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-23 03:29:57,848 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-23 03:29:57,848 INFO L87 Difference]: Start difference. First operand 11356 states and 15579 transitions. Second operand has 6 states, 6 states have (on average 12.0) internal successors, (72), 4 states have internal predecessors, (72), 2 states have call successors, (38), 4 states have call predecessors, (38), 1 states have return successors, (36), 2 states have call predecessors, (36), 2 states have call successors, (36) [2022-11-23 03:30:06,148 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 03:30:06,148 INFO L93 Difference]: Finished difference Result 12666 states and 17688 transitions. [2022-11-23 03:30:06,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-23 03:30:06,149 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 12.0) internal successors, (72), 4 states have internal predecessors, (72), 2 states have call successors, (38), 4 states have call predecessors, (38), 1 states have return successors, (36), 2 states have call predecessors, (36), 2 states have call successors, (36) Word has length 363 [2022-11-23 03:30:06,150 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 03:30:06,209 INFO L225 Difference]: With dead ends: 12666 [2022-11-23 03:30:06,210 INFO L226 Difference]: Without dead ends: 12664 [2022-11-23 03:30:06,218 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 129 GetRequests, 121 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2022-11-23 03:30:06,219 INFO L413 NwaCegarLoop]: 2855 mSDtfsCounter, 4583 mSDsluCounter, 6475 mSDsCounter, 0 mSdLazyCounter, 5314 mSolverCounterSat, 1796 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4996 SdHoareTripleChecker+Valid, 9330 SdHoareTripleChecker+Invalid, 7110 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1796 IncrementalHoareTripleChecker+Valid, 5314 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.3s IncrementalHoareTripleChecker+Time [2022-11-23 03:30:06,219 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4996 Valid, 9330 Invalid, 7110 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1796 Valid, 5314 Invalid, 0 Unknown, 0 Unchecked, 7.3s Time] [2022-11-23 03:30:06,233 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12664 states. [2022-11-23 03:30:07,283 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12664 to 11360. [2022-11-23 03:30:07,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11360 states, 7839 states have (on average 1.2519454011991324) internal successors, (9814), 7994 states have internal predecessors, (9814), 2886 states have call successors, (2886), 635 states have call predecessors, (2886), 634 states have return successors, (2882), 2826 states have call predecessors, (2882), 2882 states have call successors, (2882) [2022-11-23 03:30:07,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11360 states to 11360 states and 15582 transitions. [2022-11-23 03:30:07,356 INFO L78 Accepts]: Start accepts. Automaton has 11360 states and 15582 transitions. Word has length 363 [2022-11-23 03:30:07,356 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 03:30:07,357 INFO L495 AbstractCegarLoop]: Abstraction has 11360 states and 15582 transitions. [2022-11-23 03:30:07,357 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 12.0) internal successors, (72), 4 states have internal predecessors, (72), 2 states have call successors, (38), 4 states have call predecessors, (38), 1 states have return successors, (36), 2 states have call predecessors, (36), 2 states have call successors, (36) [2022-11-23 03:30:07,357 INFO L276 IsEmpty]: Start isEmpty. Operand 11360 states and 15582 transitions. [2022-11-23 03:30:07,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 369 [2022-11-23 03:30:07,379 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 03:30:07,380 INFO L195 NwaCegarLoop]: trace histogram [28, 28, 24, 24, 24, 24, 24, 24, 5, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 03:30:07,380 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-23 03:30:07,380 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 03:30:07,380 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 03:30:07,381 INFO L85 PathProgramCache]: Analyzing trace with hash 1878335076, now seen corresponding path program 1 times [2022-11-23 03:30:07,381 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 03:30:07,381 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1589612054] [2022-11-23 03:30:07,381 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 03:30:07,382 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 03:30:07,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:30:08,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-23 03:30:08,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:30:08,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:30:08,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:30:08,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-23 03:30:08,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:30:08,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:30:08,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:30:08,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-11-23 03:30:08,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:30:08,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:30:08,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:30:08,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-11-23 03:30:08,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:30:08,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:30:08,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:30:08,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-11-23 03:30:08,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:30:08,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:30:08,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:30:08,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-11-23 03:30:08,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:30:08,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:30:08,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:30:08,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-11-23 03:30:08,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:30:08,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:30:08,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:30:08,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-11-23 03:30:08,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:30:08,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:30:08,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:30:08,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-11-23 03:30:08,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:30:08,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:30:08,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:30:08,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-11-23 03:30:08,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:30:08,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:30:08,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:30:08,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-11-23 03:30:08,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:30:08,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:30:08,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:30:08,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-11-23 03:30:08,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:30:08,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:30:08,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:30:08,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-11-23 03:30:08,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:30:08,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:30:08,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:30:08,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-11-23 03:30:08,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:30:08,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:30:08,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:30:08,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-11-23 03:30:08,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:30:08,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:30:08,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:30:08,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-11-23 03:30:08,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:30:08,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:30:08,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:30:08,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-11-23 03:30:08,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:30:08,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:30:08,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:30:08,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-11-23 03:30:08,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:30:08,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:30:08,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:30:08,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-11-23 03:30:08,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:30:08,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:30:08,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:30:08,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2022-11-23 03:30:08,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:30:08,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:30:08,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:30:08,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-11-23 03:30:08,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:30:08,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:30:08,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:30:08,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2022-11-23 03:30:08,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:30:08,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:30:08,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:30:08,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2022-11-23 03:30:08,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:30:08,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:30:08,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:30:08,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-11-23 03:30:08,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:30:08,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:30:08,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:30:08,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2022-11-23 03:30:08,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:30:08,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 283 [2022-11-23 03:30:08,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:30:08,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 290 [2022-11-23 03:30:08,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:30:08,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 296 [2022-11-23 03:30:08,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:30:08,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2022-11-23 03:30:08,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:30:08,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:30:08,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:30:08,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 318 [2022-11-23 03:30:08,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:30:08,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 325 [2022-11-23 03:30:08,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:30:08,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 338 [2022-11-23 03:30:08,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:30:08,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2022-11-23 03:30:08,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:30:08,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 349 [2022-11-23 03:30:08,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:30:08,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 354 [2022-11-23 03:30:08,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:30:08,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 359 [2022-11-23 03:30:08,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:30:08,938 INFO L134 CoverageAnalysis]: Checked inductivity of 2856 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 2848 trivial. 0 not checked. [2022-11-23 03:30:08,939 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-23 03:30:08,939 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1589612054] [2022-11-23 03:30:08,939 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1589612054] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 03:30:08,939 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 03:30:08,939 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-23 03:30:08,940 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1412594725] [2022-11-23 03:30:08,940 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 03:30:08,940 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-23 03:30:08,941 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-23 03:30:08,941 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-23 03:30:08,941 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-23 03:30:08,941 INFO L87 Difference]: Start difference. First operand 11360 states and 15582 transitions. Second operand has 6 states, 6 states have (on average 12.0) internal successors, (72), 4 states have internal predecessors, (72), 2 states have call successors, (39), 4 states have call predecessors, (39), 1 states have return successors, (37), 2 states have call predecessors, (37), 2 states have call successors, (37) [2022-11-23 03:30:17,065 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 03:30:17,065 INFO L93 Difference]: Finished difference Result 12670 states and 17691 transitions. [2022-11-23 03:30:17,066 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-23 03:30:17,066 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 12.0) internal successors, (72), 4 states have internal predecessors, (72), 2 states have call successors, (39), 4 states have call predecessors, (39), 1 states have return successors, (37), 2 states have call predecessors, (37), 2 states have call successors, (37) Word has length 368 [2022-11-23 03:30:17,067 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 03:30:17,135 INFO L225 Difference]: With dead ends: 12670 [2022-11-23 03:30:17,135 INFO L226 Difference]: Without dead ends: 12668 [2022-11-23 03:30:17,145 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 131 GetRequests, 123 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2022-11-23 03:30:17,145 INFO L413 NwaCegarLoop]: 2845 mSDtfsCounter, 4583 mSDsluCounter, 6450 mSDsCounter, 0 mSdLazyCounter, 5304 mSolverCounterSat, 1808 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5001 SdHoareTripleChecker+Valid, 9295 SdHoareTripleChecker+Invalid, 7112 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1808 IncrementalHoareTripleChecker+Valid, 5304 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.9s IncrementalHoareTripleChecker+Time [2022-11-23 03:30:17,146 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5001 Valid, 9295 Invalid, 7112 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1808 Valid, 5304 Invalid, 0 Unknown, 0 Unchecked, 6.9s Time] [2022-11-23 03:30:17,162 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12668 states. [2022-11-23 03:30:18,252 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12668 to 11364. [2022-11-23 03:30:18,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11364 states, 7842 states have (on average 1.2518490181076256) internal successors, (9817), 7997 states have internal predecessors, (9817), 2886 states have call successors, (2886), 636 states have call predecessors, (2886), 635 states have return successors, (2882), 2826 states have call predecessors, (2882), 2882 states have call successors, (2882) [2022-11-23 03:30:18,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11364 states to 11364 states and 15585 transitions. [2022-11-23 03:30:18,319 INFO L78 Accepts]: Start accepts. Automaton has 11364 states and 15585 transitions. Word has length 368 [2022-11-23 03:30:18,320 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 03:30:18,320 INFO L495 AbstractCegarLoop]: Abstraction has 11364 states and 15585 transitions. [2022-11-23 03:30:18,321 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 12.0) internal successors, (72), 4 states have internal predecessors, (72), 2 states have call successors, (39), 4 states have call predecessors, (39), 1 states have return successors, (37), 2 states have call predecessors, (37), 2 states have call successors, (37) [2022-11-23 03:30:18,321 INFO L276 IsEmpty]: Start isEmpty. Operand 11364 states and 15585 transitions. [2022-11-23 03:30:18,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 374 [2022-11-23 03:30:18,343 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 03:30:18,343 INFO L195 NwaCegarLoop]: trace histogram [28, 28, 24, 24, 24, 24, 24, 24, 6, 5, 5, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 03:30:18,343 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-23 03:30:18,344 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 03:30:18,344 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 03:30:18,344 INFO L85 PathProgramCache]: Analyzing trace with hash 1642563879, now seen corresponding path program 1 times [2022-11-23 03:30:18,344 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 03:30:18,344 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1544904112] [2022-11-23 03:30:18,345 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 03:30:18,345 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 03:30:18,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:30:19,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-23 03:30:19,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:30:19,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:30:19,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:30:19,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-23 03:30:19,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:30:19,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:30:19,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:30:19,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-11-23 03:30:19,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:30:19,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:30:19,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:30:19,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-11-23 03:30:19,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:30:19,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:30:19,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:30:19,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-11-23 03:30:19,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:30:19,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:30:19,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:30:19,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-11-23 03:30:19,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:30:19,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:30:19,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:30:19,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-11-23 03:30:19,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:30:19,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:30:19,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:30:19,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-11-23 03:30:19,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:30:19,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:30:19,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:30:19,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-11-23 03:30:19,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:30:19,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:30:19,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:30:19,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-11-23 03:30:19,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:30:19,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:30:19,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:30:19,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-11-23 03:30:19,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:30:19,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:30:19,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:30:19,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-11-23 03:30:19,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:30:19,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:30:19,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:30:19,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-11-23 03:30:19,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:30:19,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:30:19,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:30:19,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-11-23 03:30:19,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:30:19,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:30:19,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:30:19,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-11-23 03:30:19,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:30:19,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:30:19,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:30:19,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-11-23 03:30:19,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:30:19,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:30:19,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:30:19,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-11-23 03:30:19,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:30:19,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:30:19,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:30:19,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-11-23 03:30:19,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:30:19,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:30:19,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:30:19,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-11-23 03:30:19,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:30:19,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:30:19,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:30:19,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2022-11-23 03:30:19,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:30:19,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:30:19,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:30:19,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-11-23 03:30:19,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:30:19,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:30:19,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:30:19,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2022-11-23 03:30:19,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:30:19,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:30:19,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:30:19,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2022-11-23 03:30:19,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:30:19,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:30:19,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:30:19,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-11-23 03:30:19,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:30:19,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:30:19,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:30:19,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2022-11-23 03:30:19,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:30:19,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 283 [2022-11-23 03:30:19,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:30:19,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 290 [2022-11-23 03:30:19,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:30:19,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 296 [2022-11-23 03:30:19,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:30:19,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2022-11-23 03:30:19,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:30:19,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:30:19,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:30:19,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 318 [2022-11-23 03:30:19,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:30:19,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 325 [2022-11-23 03:30:19,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:30:19,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 338 [2022-11-23 03:30:19,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:30:19,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2022-11-23 03:30:19,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:30:19,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 349 [2022-11-23 03:30:19,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:30:19,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 354 [2022-11-23 03:30:19,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:30:19,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 359 [2022-11-23 03:30:19,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:30:19,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 364 [2022-11-23 03:30:19,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:30:19,817 INFO L134 CoverageAnalysis]: Checked inductivity of 2874 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 2864 trivial. 0 not checked. [2022-11-23 03:30:19,817 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-23 03:30:19,817 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1544904112] [2022-11-23 03:30:19,817 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1544904112] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 03:30:19,817 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 03:30:19,818 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-23 03:30:19,818 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1803861900] [2022-11-23 03:30:19,818 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 03:30:19,819 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-23 03:30:19,819 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-23 03:30:19,820 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-23 03:30:19,820 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-23 03:30:19,820 INFO L87 Difference]: Start difference. First operand 11364 states and 15585 transitions. Second operand has 6 states, 6 states have (on average 12.0) internal successors, (72), 4 states have internal predecessors, (72), 2 states have call successors, (40), 4 states have call predecessors, (40), 1 states have return successors, (38), 2 states have call predecessors, (38), 2 states have call successors, (38) [2022-11-23 03:30:28,344 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 03:30:28,344 INFO L93 Difference]: Finished difference Result 12674 states and 17694 transitions. [2022-11-23 03:30:28,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-23 03:30:28,345 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 12.0) internal successors, (72), 4 states have internal predecessors, (72), 2 states have call successors, (40), 4 states have call predecessors, (40), 1 states have return successors, (38), 2 states have call predecessors, (38), 2 states have call successors, (38) Word has length 373 [2022-11-23 03:30:28,346 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 03:30:28,404 INFO L225 Difference]: With dead ends: 12674 [2022-11-23 03:30:28,404 INFO L226 Difference]: Without dead ends: 12672 [2022-11-23 03:30:28,412 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 133 GetRequests, 125 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2022-11-23 03:30:28,413 INFO L413 NwaCegarLoop]: 2857 mSDtfsCounter, 4576 mSDsluCounter, 6476 mSDsCounter, 0 mSdLazyCounter, 5311 mSolverCounterSat, 1799 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4992 SdHoareTripleChecker+Valid, 9333 SdHoareTripleChecker+Invalid, 7110 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1799 IncrementalHoareTripleChecker+Valid, 5311 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.2s IncrementalHoareTripleChecker+Time [2022-11-23 03:30:28,413 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4992 Valid, 9333 Invalid, 7110 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1799 Valid, 5311 Invalid, 0 Unknown, 0 Unchecked, 7.2s Time] [2022-11-23 03:30:28,426 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12672 states. [2022-11-23 03:30:29,356 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12672 to 11368. [2022-11-23 03:30:29,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11368 states, 7845 states have (on average 1.2517527087316762) internal successors, (9820), 8000 states have internal predecessors, (9820), 2886 states have call successors, (2886), 637 states have call predecessors, (2886), 636 states have return successors, (2882), 2826 states have call predecessors, (2882), 2882 states have call successors, (2882) [2022-11-23 03:30:29,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11368 states to 11368 states and 15588 transitions. [2022-11-23 03:30:29,425 INFO L78 Accepts]: Start accepts. Automaton has 11368 states and 15588 transitions. Word has length 373 [2022-11-23 03:30:29,426 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 03:30:29,426 INFO L495 AbstractCegarLoop]: Abstraction has 11368 states and 15588 transitions. [2022-11-23 03:30:29,427 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 12.0) internal successors, (72), 4 states have internal predecessors, (72), 2 states have call successors, (40), 4 states have call predecessors, (40), 1 states have return successors, (38), 2 states have call predecessors, (38), 2 states have call successors, (38) [2022-11-23 03:30:29,427 INFO L276 IsEmpty]: Start isEmpty. Operand 11368 states and 15588 transitions. [2022-11-23 03:30:29,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 379 [2022-11-23 03:30:29,451 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 03:30:29,451 INFO L195 NwaCegarLoop]: trace histogram [28, 28, 24, 24, 24, 24, 24, 24, 7, 6, 6, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 03:30:29,452 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-11-23 03:30:29,452 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 03:30:29,452 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 03:30:29,452 INFO L85 PathProgramCache]: Analyzing trace with hash 96827396, now seen corresponding path program 1 times [2022-11-23 03:30:29,453 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 03:30:29,453 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [598873937] [2022-11-23 03:30:29,453 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 03:30:29,453 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 03:30:29,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:30:30,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-23 03:30:30,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:30:30,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:30:30,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:30:30,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-23 03:30:30,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:30:30,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:30:30,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:30:30,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-11-23 03:30:30,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:30:30,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:30:30,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:30:30,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-11-23 03:30:30,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:30:30,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:30:30,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:30:30,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-11-23 03:30:30,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:30:30,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:30:30,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:30:30,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-11-23 03:30:30,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:30:30,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:30:30,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:30:30,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-11-23 03:30:30,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:30:30,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:30:30,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:30:30,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-11-23 03:30:30,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:30:30,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:30:30,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:30:30,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-11-23 03:30:30,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:30:30,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:30:30,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:30:30,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-11-23 03:30:30,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:30:30,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:30:30,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:30:30,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-11-23 03:30:30,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:30:30,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:30:30,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:30:30,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-11-23 03:30:30,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:30:30,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:30:30,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:30:30,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-11-23 03:30:30,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:30:30,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:30:30,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:30:30,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-11-23 03:30:30,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:30:30,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:30:30,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:30:30,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-11-23 03:30:30,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:30:30,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:30:30,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:30:30,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-11-23 03:30:30,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:30:30,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:30:30,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:30:30,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-11-23 03:30:30,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:30:30,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:30:30,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:30:30,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-11-23 03:30:30,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:30:30,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:30:30,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:30:30,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-11-23 03:30:30,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:30:30,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:30:30,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:30:30,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2022-11-23 03:30:30,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:30:30,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:30:30,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:30:30,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-11-23 03:30:30,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:30:30,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:30:30,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:30:30,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2022-11-23 03:30:30,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:30:30,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:30:30,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:30:30,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2022-11-23 03:30:30,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:30:30,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:30:30,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:30:30,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-11-23 03:30:30,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:30:30,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:30:30,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:30:30,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2022-11-23 03:30:30,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:30:30,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 283 [2022-11-23 03:30:30,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:30:30,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 290 [2022-11-23 03:30:30,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:30:30,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 296 [2022-11-23 03:30:30,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:30:30,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2022-11-23 03:30:30,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:30:30,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:30:30,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:30:30,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 318 [2022-11-23 03:30:30,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:30:30,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 325 [2022-11-23 03:30:30,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:30:30,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 338 [2022-11-23 03:30:30,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:30:30,934 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2022-11-23 03:30:30,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:30:30,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 349 [2022-11-23 03:30:30,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:30:30,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 354 [2022-11-23 03:30:30,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:30:30,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 359 [2022-11-23 03:30:30,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:30:30,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 364 [2022-11-23 03:30:30,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:30:30,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 369 [2022-11-23 03:30:30,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:30:30,998 INFO L134 CoverageAnalysis]: Checked inductivity of 2896 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 2884 trivial. 0 not checked. [2022-11-23 03:30:30,998 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-23 03:30:30,999 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [598873937] [2022-11-23 03:30:30,999 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [598873937] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 03:30:30,999 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 03:30:30,999 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-23 03:30:30,999 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [533143089] [2022-11-23 03:30:31,000 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 03:30:31,000 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-23 03:30:31,000 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-23 03:30:31,001 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-23 03:30:31,001 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-23 03:30:31,001 INFO L87 Difference]: Start difference. First operand 11368 states and 15588 transitions. Second operand has 6 states, 6 states have (on average 12.0) internal successors, (72), 4 states have internal predecessors, (72), 2 states have call successors, (41), 4 states have call predecessors, (41), 1 states have return successors, (39), 2 states have call predecessors, (39), 2 states have call successors, (39) [2022-11-23 03:30:39,853 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 03:30:39,853 INFO L93 Difference]: Finished difference Result 12678 states and 17697 transitions. [2022-11-23 03:30:39,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-23 03:30:39,854 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 12.0) internal successors, (72), 4 states have internal predecessors, (72), 2 states have call successors, (41), 4 states have call predecessors, (41), 1 states have return successors, (39), 2 states have call predecessors, (39), 2 states have call successors, (39) Word has length 378 [2022-11-23 03:30:39,854 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 03:30:39,903 INFO L225 Difference]: With dead ends: 12678 [2022-11-23 03:30:39,903 INFO L226 Difference]: Without dead ends: 12676 [2022-11-23 03:30:39,911 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 135 GetRequests, 127 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2022-11-23 03:30:39,912 INFO L413 NwaCegarLoop]: 2856 mSDtfsCounter, 4584 mSDsluCounter, 6481 mSDsCounter, 0 mSdLazyCounter, 5319 mSolverCounterSat, 1795 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4993 SdHoareTripleChecker+Valid, 9337 SdHoareTripleChecker+Invalid, 7114 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1795 IncrementalHoareTripleChecker+Valid, 5319 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.5s IncrementalHoareTripleChecker+Time [2022-11-23 03:30:39,912 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4993 Valid, 9337 Invalid, 7114 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1795 Valid, 5319 Invalid, 0 Unknown, 0 Unchecked, 7.5s Time] [2022-11-23 03:30:39,926 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12676 states. [2022-11-23 03:30:41,142 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12676 to 11372. [2022-11-23 03:30:41,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11372 states, 7848 states have (on average 1.2516564729867483) internal successors, (9823), 8003 states have internal predecessors, (9823), 2886 states have call successors, (2886), 638 states have call predecessors, (2886), 637 states have return successors, (2882), 2826 states have call predecessors, (2882), 2882 states have call successors, (2882) [2022-11-23 03:30:41,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11372 states to 11372 states and 15591 transitions. [2022-11-23 03:30:41,204 INFO L78 Accepts]: Start accepts. Automaton has 11372 states and 15591 transitions. Word has length 378 [2022-11-23 03:30:41,205 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 03:30:41,205 INFO L495 AbstractCegarLoop]: Abstraction has 11372 states and 15591 transitions. [2022-11-23 03:30:41,205 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 12.0) internal successors, (72), 4 states have internal predecessors, (72), 2 states have call successors, (41), 4 states have call predecessors, (41), 1 states have return successors, (39), 2 states have call predecessors, (39), 2 states have call successors, (39) [2022-11-23 03:30:41,206 INFO L276 IsEmpty]: Start isEmpty. Operand 11372 states and 15591 transitions. [2022-11-23 03:30:41,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 384 [2022-11-23 03:30:41,231 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 03:30:41,231 INFO L195 NwaCegarLoop]: trace histogram [28, 28, 24, 24, 24, 24, 24, 24, 8, 7, 7, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 03:30:41,231 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-11-23 03:30:41,232 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 03:30:41,232 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 03:30:41,232 INFO L85 PathProgramCache]: Analyzing trace with hash -559389945, now seen corresponding path program 1 times [2022-11-23 03:30:41,232 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 03:30:41,233 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [439271099] [2022-11-23 03:30:41,233 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 03:30:41,233 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 03:30:41,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:30:41,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-23 03:30:41,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:30:41,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:30:41,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:30:41,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-23 03:30:41,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:30:41,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:30:41,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:30:41,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-11-23 03:30:41,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:30:41,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:30:41,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:30:41,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-11-23 03:30:41,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:30:42,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:30:42,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:30:42,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-11-23 03:30:42,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:30:42,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:30:42,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:30:42,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-11-23 03:30:42,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:30:42,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:30:42,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:30:42,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-11-23 03:30:42,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:30:42,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:30:42,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:30:42,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-11-23 03:30:42,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:30:42,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:30:42,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:30:42,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-11-23 03:30:42,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:30:42,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:30:42,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:30:42,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-11-23 03:30:42,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:30:42,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:30:42,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:30:42,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-11-23 03:30:42,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:30:42,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:30:42,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:30:42,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-11-23 03:30:42,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:30:42,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:30:42,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:30:42,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-11-23 03:30:42,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:30:42,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:30:42,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:30:42,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-11-23 03:30:42,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:30:42,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:30:42,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:30:42,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-11-23 03:30:42,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:30:42,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:30:42,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:30:42,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-11-23 03:30:42,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:30:42,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:30:42,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:30:42,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-11-23 03:30:42,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:30:42,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:30:42,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:30:42,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-11-23 03:30:42,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:30:42,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:30:42,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:30:42,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-11-23 03:30:42,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:30:42,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:30:42,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:30:42,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2022-11-23 03:30:42,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:30:42,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:30:42,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:30:42,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-11-23 03:30:42,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:30:42,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:30:42,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:30:42,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2022-11-23 03:30:42,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:30:42,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:30:42,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:30:42,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2022-11-23 03:30:42,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:30:42,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:30:42,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:30:42,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-11-23 03:30:42,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:30:42,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:30:42,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:30:42,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2022-11-23 03:30:42,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:30:42,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 283 [2022-11-23 03:30:42,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:30:42,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 290 [2022-11-23 03:30:42,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:30:42,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 296 [2022-11-23 03:30:42,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:30:42,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2022-11-23 03:30:42,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:30:42,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:30:42,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:30:42,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 318 [2022-11-23 03:30:42,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:30:42,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 325 [2022-11-23 03:30:42,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:30:42,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 338 [2022-11-23 03:30:42,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:30:42,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2022-11-23 03:30:42,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:30:42,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 349 [2022-11-23 03:30:42,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:30:42,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 354 [2022-11-23 03:30:42,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:30:42,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 359 [2022-11-23 03:30:42,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:30:42,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 364 [2022-11-23 03:30:42,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:30:42,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 369 [2022-11-23 03:30:42,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:30:42,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 374 [2022-11-23 03:30:42,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:30:42,676 INFO L134 CoverageAnalysis]: Checked inductivity of 2922 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 2908 trivial. 0 not checked. [2022-11-23 03:30:42,676 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-23 03:30:42,676 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [439271099] [2022-11-23 03:30:42,676 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [439271099] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 03:30:42,677 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 03:30:42,677 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-23 03:30:42,677 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1096459567] [2022-11-23 03:30:42,677 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 03:30:42,678 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-23 03:30:42,678 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-23 03:30:42,678 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-23 03:30:42,678 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-23 03:30:42,679 INFO L87 Difference]: Start difference. First operand 11372 states and 15591 transitions. Second operand has 6 states, 6 states have (on average 12.0) internal successors, (72), 4 states have internal predecessors, (72), 2 states have call successors, (42), 4 states have call predecessors, (42), 1 states have return successors, (40), 2 states have call predecessors, (40), 2 states have call successors, (40) [2022-11-23 03:30:51,659 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 03:30:51,659 INFO L93 Difference]: Finished difference Result 12682 states and 17700 transitions. [2022-11-23 03:30:51,659 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-23 03:30:51,660 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 12.0) internal successors, (72), 4 states have internal predecessors, (72), 2 states have call successors, (42), 4 states have call predecessors, (42), 1 states have return successors, (40), 2 states have call predecessors, (40), 2 states have call successors, (40) Word has length 383 [2022-11-23 03:30:51,660 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 03:30:51,725 INFO L225 Difference]: With dead ends: 12682 [2022-11-23 03:30:51,725 INFO L226 Difference]: Without dead ends: 12680 [2022-11-23 03:30:51,732 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 137 GetRequests, 129 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2022-11-23 03:30:51,733 INFO L413 NwaCegarLoop]: 2836 mSDtfsCounter, 4592 mSDsluCounter, 6437 mSDsCounter, 0 mSdLazyCounter, 5304 mSolverCounterSat, 1815 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5005 SdHoareTripleChecker+Valid, 9273 SdHoareTripleChecker+Invalid, 7119 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1815 IncrementalHoareTripleChecker+Valid, 5304 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.5s IncrementalHoareTripleChecker+Time [2022-11-23 03:30:51,734 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5005 Valid, 9273 Invalid, 7119 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1815 Valid, 5304 Invalid, 0 Unknown, 0 Unchecked, 7.5s Time] [2022-11-23 03:30:51,749 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12680 states. [2022-11-23 03:30:52,696 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12680 to 11376. [2022-11-23 03:30:52,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11376 states, 7851 states have (on average 1.2515603107884345) internal successors, (9826), 8006 states have internal predecessors, (9826), 2886 states have call successors, (2886), 639 states have call predecessors, (2886), 638 states have return successors, (2882), 2826 states have call predecessors, (2882), 2882 states have call successors, (2882) [2022-11-23 03:30:52,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11376 states to 11376 states and 15594 transitions. [2022-11-23 03:30:52,767 INFO L78 Accepts]: Start accepts. Automaton has 11376 states and 15594 transitions. Word has length 383 [2022-11-23 03:30:52,768 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 03:30:52,768 INFO L495 AbstractCegarLoop]: Abstraction has 11376 states and 15594 transitions. [2022-11-23 03:30:52,768 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 12.0) internal successors, (72), 4 states have internal predecessors, (72), 2 states have call successors, (42), 4 states have call predecessors, (42), 1 states have return successors, (40), 2 states have call predecessors, (40), 2 states have call successors, (40) [2022-11-23 03:30:52,769 INFO L276 IsEmpty]: Start isEmpty. Operand 11376 states and 15594 transitions. [2022-11-23 03:30:52,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 389 [2022-11-23 03:30:52,902 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 03:30:52,902 INFO L195 NwaCegarLoop]: trace histogram [28, 28, 24, 24, 24, 24, 24, 24, 9, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 03:30:52,903 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-11-23 03:30:52,903 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 03:30:52,903 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 03:30:52,904 INFO L85 PathProgramCache]: Analyzing trace with hash 1260124580, now seen corresponding path program 1 times [2022-11-23 03:30:52,904 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 03:30:52,904 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [507847494] [2022-11-23 03:30:52,904 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 03:30:52,905 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 03:30:53,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:30:53,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-23 03:30:53,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:30:53,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:30:53,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:30:53,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-23 03:30:53,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:30:53,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:30:53,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:30:53,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-11-23 03:30:53,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:30:53,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:30:53,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:30:53,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-11-23 03:30:53,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:30:53,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:30:53,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:30:53,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-11-23 03:30:53,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:30:53,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:30:53,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:30:53,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-11-23 03:30:53,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:30:53,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:30:53,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:30:53,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-11-23 03:30:53,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:30:53,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:30:53,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:30:53,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-11-23 03:30:53,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:30:53,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:30:53,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:30:53,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-11-23 03:30:53,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:30:53,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:30:53,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:30:53,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-11-23 03:30:53,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:30:53,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:30:53,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:30:53,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-11-23 03:30:53,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:30:53,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:30:53,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:30:53,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-11-23 03:30:53,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:30:53,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:30:53,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:30:53,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-11-23 03:30:53,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:30:53,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:30:53,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:30:53,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-11-23 03:30:53,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:30:53,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:30:53,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:30:53,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-11-23 03:30:53,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:30:53,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:30:53,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:30:53,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-11-23 03:30:53,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:30:53,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:30:53,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:30:53,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-11-23 03:30:53,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:30:53,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:30:53,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:30:53,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-11-23 03:30:53,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:30:54,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:30:54,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:30:54,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-11-23 03:30:54,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:30:54,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:30:54,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:30:54,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2022-11-23 03:30:54,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:30:54,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:30:54,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:30:54,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-11-23 03:30:54,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:30:54,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:30:54,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:30:54,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2022-11-23 03:30:54,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:30:54,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:30:54,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:30:54,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2022-11-23 03:30:54,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:30:54,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:30:54,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:30:54,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-11-23 03:30:54,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:30:54,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:30:54,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:30:54,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2022-11-23 03:30:54,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:30:54,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 283 [2022-11-23 03:30:54,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:30:54,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 290 [2022-11-23 03:30:54,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:30:54,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 296 [2022-11-23 03:30:54,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:30:54,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2022-11-23 03:30:54,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:30:54,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:30:54,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:30:54,235 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 318 [2022-11-23 03:30:54,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:30:54,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 325 [2022-11-23 03:30:54,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:30:54,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 338 [2022-11-23 03:30:54,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:30:54,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2022-11-23 03:30:54,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:30:54,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 349 [2022-11-23 03:30:54,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:30:54,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 354 [2022-11-23 03:30:54,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:30:54,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 359 [2022-11-23 03:30:54,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:30:54,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 364 [2022-11-23 03:30:54,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:30:54,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 369 [2022-11-23 03:30:54,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:30:54,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 374 [2022-11-23 03:30:54,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:30:54,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 379 [2022-11-23 03:30:54,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:30:54,353 INFO L134 CoverageAnalysis]: Checked inductivity of 2952 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 2936 trivial. 0 not checked. [2022-11-23 03:30:54,353 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-23 03:30:54,353 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [507847494] [2022-11-23 03:30:54,353 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [507847494] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 03:30:54,354 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 03:30:54,354 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-23 03:30:54,354 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [335997587] [2022-11-23 03:30:54,354 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 03:30:54,355 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-23 03:30:54,355 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-23 03:30:54,355 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-23 03:30:54,355 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-23 03:30:54,356 INFO L87 Difference]: Start difference. First operand 11376 states and 15594 transitions. Second operand has 6 states, 6 states have (on average 12.0) internal successors, (72), 4 states have internal predecessors, (72), 2 states have call successors, (43), 4 states have call predecessors, (43), 1 states have return successors, (41), 2 states have call predecessors, (41), 2 states have call successors, (41) [2022-11-23 03:31:03,787 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 03:31:03,788 INFO L93 Difference]: Finished difference Result 12686 states and 17703 transitions. [2022-11-23 03:31:03,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-23 03:31:03,788 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 12.0) internal successors, (72), 4 states have internal predecessors, (72), 2 states have call successors, (43), 4 states have call predecessors, (43), 1 states have return successors, (41), 2 states have call predecessors, (41), 2 states have call successors, (41) Word has length 388 [2022-11-23 03:31:03,789 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 03:31:03,849 INFO L225 Difference]: With dead ends: 12686 [2022-11-23 03:31:03,850 INFO L226 Difference]: Without dead ends: 12684 [2022-11-23 03:31:03,859 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 139 GetRequests, 131 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2022-11-23 03:31:03,860 INFO L413 NwaCegarLoop]: 2845 mSDtfsCounter, 4586 mSDsluCounter, 6452 mSDsCounter, 0 mSdLazyCounter, 5305 mSolverCounterSat, 1802 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5002 SdHoareTripleChecker+Valid, 9297 SdHoareTripleChecker+Invalid, 7107 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1802 IncrementalHoareTripleChecker+Valid, 5305 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.9s IncrementalHoareTripleChecker+Time [2022-11-23 03:31:03,860 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5002 Valid, 9297 Invalid, 7107 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1802 Valid, 5305 Invalid, 0 Unknown, 0 Unchecked, 7.9s Time] [2022-11-23 03:31:03,876 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12684 states. [2022-11-23 03:31:04,968 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12684 to 11380. [2022-11-23 03:31:04,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11380 states, 7854 states have (on average 1.2514642220524574) internal successors, (9829), 8009 states have internal predecessors, (9829), 2886 states have call successors, (2886), 640 states have call predecessors, (2886), 639 states have return successors, (2882), 2826 states have call predecessors, (2882), 2882 states have call successors, (2882) [2022-11-23 03:31:05,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11380 states to 11380 states and 15597 transitions. [2022-11-23 03:31:05,016 INFO L78 Accepts]: Start accepts. Automaton has 11380 states and 15597 transitions. Word has length 388 [2022-11-23 03:31:05,016 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 03:31:05,017 INFO L495 AbstractCegarLoop]: Abstraction has 11380 states and 15597 transitions. [2022-11-23 03:31:05,017 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 12.0) internal successors, (72), 4 states have internal predecessors, (72), 2 states have call successors, (43), 4 states have call predecessors, (43), 1 states have return successors, (41), 2 states have call predecessors, (41), 2 states have call successors, (41) [2022-11-23 03:31:05,017 INFO L276 IsEmpty]: Start isEmpty. Operand 11380 states and 15597 transitions. [2022-11-23 03:31:05,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 394 [2022-11-23 03:31:05,036 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 03:31:05,037 INFO L195 NwaCegarLoop]: trace histogram [28, 28, 24, 24, 24, 24, 24, 24, 10, 9, 9, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 03:31:05,037 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-11-23 03:31:05,037 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 03:31:05,037 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 03:31:05,038 INFO L85 PathProgramCache]: Analyzing trace with hash -1317268249, now seen corresponding path program 1 times [2022-11-23 03:31:05,038 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 03:31:05,038 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [439575759] [2022-11-23 03:31:05,038 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 03:31:05,038 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 03:31:05,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:31:05,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-23 03:31:05,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:31:05,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:31:05,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:31:05,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-23 03:31:05,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:31:05,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:31:05,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:31:05,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-11-23 03:31:05,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:31:05,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:31:05,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:31:05,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-11-23 03:31:05,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:31:05,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:31:05,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:31:05,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-11-23 03:31:05,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:31:05,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:31:05,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:31:05,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-11-23 03:31:05,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:31:05,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:31:05,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:31:05,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-11-23 03:31:05,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:31:05,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:31:05,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:31:05,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-11-23 03:31:05,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:31:05,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:31:05,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:31:05,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-11-23 03:31:05,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:31:05,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:31:05,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:31:05,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-11-23 03:31:05,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:31:05,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:31:05,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:31:05,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-11-23 03:31:05,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:31:05,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:31:05,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:31:05,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-11-23 03:31:05,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:31:06,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:31:06,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:31:06,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-11-23 03:31:06,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:31:06,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:31:06,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:31:06,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-11-23 03:31:06,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:31:06,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:31:06,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:31:06,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-11-23 03:31:06,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:31:06,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:31:06,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:31:06,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-11-23 03:31:06,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:31:06,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:31:06,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:31:06,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-11-23 03:31:06,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:31:06,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:31:06,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:31:06,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-11-23 03:31:06,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:31:06,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:31:06,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:31:06,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-11-23 03:31:06,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:31:06,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:31:06,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:31:06,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2022-11-23 03:31:06,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:31:06,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:31:06,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:31:06,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-11-23 03:31:06,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:31:06,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:31:06,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:31:06,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2022-11-23 03:31:06,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:31:06,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:31:06,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:31:06,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2022-11-23 03:31:06,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:31:06,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:31:06,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:31:06,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-11-23 03:31:06,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:31:06,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:31:06,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:31:06,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2022-11-23 03:31:06,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:31:06,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 283 [2022-11-23 03:31:06,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:31:06,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 290 [2022-11-23 03:31:06,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:31:06,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 296 [2022-11-23 03:31:06,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:31:06,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2022-11-23 03:31:06,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:31:06,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:31:06,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:31:06,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 318 [2022-11-23 03:31:06,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:31:06,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 325 [2022-11-23 03:31:06,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:31:06,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 338 [2022-11-23 03:31:06,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:31:06,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2022-11-23 03:31:06,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:31:06,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 349 [2022-11-23 03:31:06,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:31:06,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 354 [2022-11-23 03:31:06,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:31:06,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 359 [2022-11-23 03:31:06,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:31:06,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 364 [2022-11-23 03:31:06,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:31:06,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 369 [2022-11-23 03:31:06,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:31:06,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 374 [2022-11-23 03:31:06,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:31:06,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 379 [2022-11-23 03:31:06,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:31:06,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 384 [2022-11-23 03:31:06,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:31:06,589 INFO L134 CoverageAnalysis]: Checked inductivity of 2986 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 2968 trivial. 0 not checked. [2022-11-23 03:31:06,590 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-23 03:31:06,590 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [439575759] [2022-11-23 03:31:06,590 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [439575759] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 03:31:06,590 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 03:31:06,591 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-23 03:31:06,591 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [851134332] [2022-11-23 03:31:06,591 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 03:31:06,592 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-23 03:31:06,593 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-23 03:31:06,593 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-23 03:31:06,594 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-23 03:31:06,594 INFO L87 Difference]: Start difference. First operand 11380 states and 15597 transitions. Second operand has 6 states, 6 states have (on average 12.0) internal successors, (72), 4 states have internal predecessors, (72), 2 states have call successors, (44), 4 states have call predecessors, (44), 1 states have return successors, (42), 2 states have call predecessors, (42), 2 states have call successors, (42) [2022-11-23 03:31:16,175 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 03:31:16,175 INFO L93 Difference]: Finished difference Result 12690 states and 17706 transitions. [2022-11-23 03:31:16,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-23 03:31:16,176 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 12.0) internal successors, (72), 4 states have internal predecessors, (72), 2 states have call successors, (44), 4 states have call predecessors, (44), 1 states have return successors, (42), 2 states have call predecessors, (42), 2 states have call successors, (42) Word has length 393 [2022-11-23 03:31:16,177 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 03:31:16,223 INFO L225 Difference]: With dead ends: 12690 [2022-11-23 03:31:16,224 INFO L226 Difference]: Without dead ends: 12688 [2022-11-23 03:31:16,231 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 141 GetRequests, 133 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2022-11-23 03:31:16,232 INFO L413 NwaCegarLoop]: 2874 mSDtfsCounter, 4570 mSDsluCounter, 6515 mSDsCounter, 0 mSdLazyCounter, 5319 mSolverCounterSat, 1780 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4981 SdHoareTripleChecker+Valid, 9389 SdHoareTripleChecker+Invalid, 7099 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1780 IncrementalHoareTripleChecker+Valid, 5319 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.8s IncrementalHoareTripleChecker+Time [2022-11-23 03:31:16,232 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4981 Valid, 9389 Invalid, 7099 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1780 Valid, 5319 Invalid, 0 Unknown, 0 Unchecked, 7.8s Time] [2022-11-23 03:31:16,246 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12688 states. [2022-11-23 03:31:17,462 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12688 to 11384. [2022-11-23 03:31:17,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11384 states, 7857 states have (on average 1.2513682066946672) internal successors, (9832), 8012 states have internal predecessors, (9832), 2886 states have call successors, (2886), 641 states have call predecessors, (2886), 640 states have return successors, (2882), 2826 states have call predecessors, (2882), 2882 states have call successors, (2882) [2022-11-23 03:31:17,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11384 states to 11384 states and 15600 transitions. [2022-11-23 03:31:17,518 INFO L78 Accepts]: Start accepts. Automaton has 11384 states and 15600 transitions. Word has length 393 [2022-11-23 03:31:17,518 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 03:31:17,519 INFO L495 AbstractCegarLoop]: Abstraction has 11384 states and 15600 transitions. [2022-11-23 03:31:17,519 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 12.0) internal successors, (72), 4 states have internal predecessors, (72), 2 states have call successors, (44), 4 states have call predecessors, (44), 1 states have return successors, (42), 2 states have call predecessors, (42), 2 states have call successors, (42) [2022-11-23 03:31:17,519 INFO L276 IsEmpty]: Start isEmpty. Operand 11384 states and 15600 transitions. [2022-11-23 03:31:17,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 399 [2022-11-23 03:31:17,550 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 03:31:17,551 INFO L195 NwaCegarLoop]: trace histogram [28, 28, 24, 24, 24, 24, 24, 24, 11, 10, 10, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 03:31:17,551 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-11-23 03:31:17,551 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 03:31:17,552 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 03:31:17,552 INFO L85 PathProgramCache]: Analyzing trace with hash -865688764, now seen corresponding path program 1 times [2022-11-23 03:31:17,552 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 03:31:17,553 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1048832774] [2022-11-23 03:31:17,553 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 03:31:17,553 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 03:31:17,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:31:18,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-23 03:31:18,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:31:18,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:31:18,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:31:18,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-23 03:31:18,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:31:18,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:31:18,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:31:18,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-11-23 03:31:18,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:31:18,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:31:18,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:31:18,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-11-23 03:31:18,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:31:18,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:31:18,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:31:18,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-11-23 03:31:18,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:31:18,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:31:18,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:31:18,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-11-23 03:31:18,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:31:18,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:31:18,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:31:18,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-11-23 03:31:18,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:31:18,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:31:18,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:31:18,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-11-23 03:31:18,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:31:18,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:31:18,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:31:18,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-11-23 03:31:18,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:31:18,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:31:18,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:31:18,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-11-23 03:31:18,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:31:18,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:31:18,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:31:18,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-11-23 03:31:18,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:31:18,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:31:18,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:31:18,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-11-23 03:31:18,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:31:18,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:31:18,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:31:18,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-11-23 03:31:18,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:31:18,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:31:18,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:31:18,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-11-23 03:31:18,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:31:18,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:31:18,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:31:18,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-11-23 03:31:18,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:31:18,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:31:18,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:31:18,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-11-23 03:31:18,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:31:18,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:31:18,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:31:18,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-11-23 03:31:18,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:31:18,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:31:18,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:31:18,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-11-23 03:31:18,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:31:18,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:31:18,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:31:18,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-11-23 03:31:18,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:31:18,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:31:18,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:31:18,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2022-11-23 03:31:18,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:31:18,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:31:18,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:31:18,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-11-23 03:31:18,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:31:18,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:31:18,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:31:18,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2022-11-23 03:31:18,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:31:18,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:31:18,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:31:18,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2022-11-23 03:31:18,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:31:18,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:31:18,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:31:18,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-11-23 03:31:18,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:31:18,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:31:18,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:31:18,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2022-11-23 03:31:18,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:31:18,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 283 [2022-11-23 03:31:18,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:31:18,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 290 [2022-11-23 03:31:18,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:31:18,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 296 [2022-11-23 03:31:18,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:31:18,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2022-11-23 03:31:18,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:31:18,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:31:18,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:31:18,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 318 [2022-11-23 03:31:18,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:31:18,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 325 [2022-11-23 03:31:18,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:31:18,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 338 [2022-11-23 03:31:18,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:31:18,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2022-11-23 03:31:18,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:31:18,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 349 [2022-11-23 03:31:18,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:31:19,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 354 [2022-11-23 03:31:19,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:31:19,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 359 [2022-11-23 03:31:19,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:31:19,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 364 [2022-11-23 03:31:19,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:31:19,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 369 [2022-11-23 03:31:19,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:31:19,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 374 [2022-11-23 03:31:19,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:31:19,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 379 [2022-11-23 03:31:19,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:31:19,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 384 [2022-11-23 03:31:19,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:31:19,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 389 [2022-11-23 03:31:19,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:31:19,087 INFO L134 CoverageAnalysis]: Checked inductivity of 3024 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 3004 trivial. 0 not checked. [2022-11-23 03:31:19,088 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-23 03:31:19,088 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1048832774] [2022-11-23 03:31:19,088 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1048832774] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 03:31:19,088 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 03:31:19,089 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-23 03:31:19,089 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1400619240] [2022-11-23 03:31:19,089 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 03:31:19,090 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-23 03:31:19,090 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-23 03:31:19,091 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-23 03:31:19,091 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-23 03:31:19,091 INFO L87 Difference]: Start difference. First operand 11384 states and 15600 transitions. Second operand has 6 states, 6 states have (on average 12.0) internal successors, (72), 4 states have internal predecessors, (72), 2 states have call successors, (45), 4 states have call predecessors, (45), 1 states have return successors, (43), 2 states have call predecessors, (43), 2 states have call successors, (43) [2022-11-23 03:31:28,113 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 03:31:28,113 INFO L93 Difference]: Finished difference Result 12694 states and 17709 transitions. [2022-11-23 03:31:28,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-23 03:31:28,114 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 12.0) internal successors, (72), 4 states have internal predecessors, (72), 2 states have call successors, (45), 4 states have call predecessors, (45), 1 states have return successors, (43), 2 states have call predecessors, (43), 2 states have call successors, (43) Word has length 398 [2022-11-23 03:31:28,114 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 03:31:28,153 INFO L225 Difference]: With dead ends: 12694 [2022-11-23 03:31:28,153 INFO L226 Difference]: Without dead ends: 12692 [2022-11-23 03:31:28,160 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 143 GetRequests, 135 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2022-11-23 03:31:28,160 INFO L413 NwaCegarLoop]: 2841 mSDtfsCounter, 4589 mSDsluCounter, 6445 mSDsCounter, 0 mSdLazyCounter, 5308 mSolverCounterSat, 1803 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5004 SdHoareTripleChecker+Valid, 9286 SdHoareTripleChecker+Invalid, 7111 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1803 IncrementalHoareTripleChecker+Valid, 5308 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.3s IncrementalHoareTripleChecker+Time [2022-11-23 03:31:28,161 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5004 Valid, 9286 Invalid, 7111 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1803 Valid, 5308 Invalid, 0 Unknown, 0 Unchecked, 7.3s Time] [2022-11-23 03:31:28,174 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12692 states. [2022-11-23 03:31:29,154 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12692 to 11388. [2022-11-23 03:31:29,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11388 states, 7860 states have (on average 1.2512722646310432) internal successors, (9835), 8015 states have internal predecessors, (9835), 2886 states have call successors, (2886), 642 states have call predecessors, (2886), 641 states have return successors, (2882), 2826 states have call predecessors, (2882), 2882 states have call successors, (2882) [2022-11-23 03:31:29,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11388 states to 11388 states and 15603 transitions. [2022-11-23 03:31:29,196 INFO L78 Accepts]: Start accepts. Automaton has 11388 states and 15603 transitions. Word has length 398 [2022-11-23 03:31:29,196 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 03:31:29,196 INFO L495 AbstractCegarLoop]: Abstraction has 11388 states and 15603 transitions. [2022-11-23 03:31:29,196 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 12.0) internal successors, (72), 4 states have internal predecessors, (72), 2 states have call successors, (45), 4 states have call predecessors, (45), 1 states have return successors, (43), 2 states have call predecessors, (43), 2 states have call successors, (43) [2022-11-23 03:31:29,196 INFO L276 IsEmpty]: Start isEmpty. Operand 11388 states and 15603 transitions. [2022-11-23 03:31:29,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 404 [2022-11-23 03:31:29,210 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 03:31:29,210 INFO L195 NwaCegarLoop]: trace histogram [28, 28, 24, 24, 24, 24, 24, 24, 12, 11, 11, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 03:31:29,211 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-11-23 03:31:29,211 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 03:31:29,212 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 03:31:29,212 INFO L85 PathProgramCache]: Analyzing trace with hash -491479353, now seen corresponding path program 1 times [2022-11-23 03:31:29,212 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 03:31:29,212 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [653808736] [2022-11-23 03:31:29,212 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 03:31:29,213 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 03:31:29,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:31:29,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-23 03:31:29,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:31:29,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:31:29,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:31:29,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-23 03:31:29,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:31:29,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:31:29,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:31:29,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-11-23 03:31:29,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:31:29,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:31:29,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:31:29,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-11-23 03:31:29,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:31:29,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:31:29,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:31:29,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-11-23 03:31:29,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:31:29,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:31:29,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:31:30,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-11-23 03:31:30,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:31:30,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:31:30,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:31:30,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-11-23 03:31:30,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:31:30,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:31:30,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:31:30,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-11-23 03:31:30,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:31:30,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:31:30,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:31:30,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-11-23 03:31:30,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:31:30,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:31:30,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:31:30,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-11-23 03:31:30,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:31:30,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:31:30,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:31:30,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-11-23 03:31:30,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:31:30,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:31:30,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:31:30,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-11-23 03:31:30,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:31:30,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:31:30,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:31:30,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-11-23 03:31:30,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:31:30,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:31:30,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:31:30,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-11-23 03:31:30,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:31:30,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:31:30,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:31:30,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-11-23 03:31:30,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:31:30,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:31:30,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:31:30,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-11-23 03:31:30,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:31:30,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:31:30,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:31:30,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-11-23 03:31:30,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:31:30,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:31:30,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:31:30,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-11-23 03:31:30,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:31:30,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:31:30,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:31:30,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-11-23 03:31:30,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:31:30,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:31:30,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:31:30,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2022-11-23 03:31:30,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:31:30,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:31:30,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:31:30,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-11-23 03:31:30,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:31:30,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:31:30,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:31:30,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2022-11-23 03:31:30,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:31:30,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:31:30,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:31:30,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2022-11-23 03:31:30,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:31:30,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:31:30,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:31:30,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-11-23 03:31:30,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:31:30,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:31:30,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:31:30,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2022-11-23 03:31:30,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:31:30,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 283 [2022-11-23 03:31:30,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:31:30,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 290 [2022-11-23 03:31:30,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:31:30,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 296 [2022-11-23 03:31:30,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:31:30,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2022-11-23 03:31:30,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:31:30,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:31:30,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:31:30,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 318 [2022-11-23 03:31:30,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:31:30,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 325 [2022-11-23 03:31:30,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:31:30,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 338 [2022-11-23 03:31:30,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:31:30,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2022-11-23 03:31:30,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:31:30,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 349 [2022-11-23 03:31:30,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:31:30,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 354 [2022-11-23 03:31:30,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:31:30,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 359 [2022-11-23 03:31:30,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:31:30,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 364 [2022-11-23 03:31:30,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:31:30,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 369 [2022-11-23 03:31:30,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:31:30,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 374 [2022-11-23 03:31:30,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:31:30,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 379 [2022-11-23 03:31:30,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:31:30,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 384 [2022-11-23 03:31:30,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:31:30,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 389 [2022-11-23 03:31:30,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:31:30,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 394 [2022-11-23 03:31:30,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:31:30,575 INFO L134 CoverageAnalysis]: Checked inductivity of 3066 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 3044 trivial. 0 not checked. [2022-11-23 03:31:30,575 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-23 03:31:30,576 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [653808736] [2022-11-23 03:31:30,576 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [653808736] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 03:31:30,576 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 03:31:30,576 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-23 03:31:30,576 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [402410344] [2022-11-23 03:31:30,577 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 03:31:30,577 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-23 03:31:30,577 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-23 03:31:30,578 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-23 03:31:30,578 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-23 03:31:30,578 INFO L87 Difference]: Start difference. First operand 11388 states and 15603 transitions. Second operand has 6 states, 6 states have (on average 12.0) internal successors, (72), 4 states have internal predecessors, (72), 2 states have call successors, (46), 4 states have call predecessors, (46), 1 states have return successors, (44), 2 states have call predecessors, (44), 2 states have call successors, (44) [2022-11-23 03:31:39,439 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 03:31:39,439 INFO L93 Difference]: Finished difference Result 12698 states and 17712 transitions. [2022-11-23 03:31:39,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-23 03:31:39,447 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 12.0) internal successors, (72), 4 states have internal predecessors, (72), 2 states have call successors, (46), 4 states have call predecessors, (46), 1 states have return successors, (44), 2 states have call predecessors, (44), 2 states have call successors, (44) Word has length 403 [2022-11-23 03:31:39,448 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 03:31:39,491 INFO L225 Difference]: With dead ends: 12698 [2022-11-23 03:31:39,491 INFO L226 Difference]: Without dead ends: 12696 [2022-11-23 03:31:39,496 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 145 GetRequests, 137 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2022-11-23 03:31:39,497 INFO L413 NwaCegarLoop]: 2876 mSDtfsCounter, 4568 mSDsluCounter, 6518 mSDsCounter, 0 mSdLazyCounter, 5319 mSolverCounterSat, 1776 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4980 SdHoareTripleChecker+Valid, 9394 SdHoareTripleChecker+Invalid, 7095 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1776 IncrementalHoareTripleChecker+Valid, 5319 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.1s IncrementalHoareTripleChecker+Time [2022-11-23 03:31:39,497 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4980 Valid, 9394 Invalid, 7095 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1776 Valid, 5319 Invalid, 0 Unknown, 0 Unchecked, 7.1s Time] [2022-11-23 03:31:39,510 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12696 states. [2022-11-23 03:31:40,581 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12696 to 11392. [2022-11-23 03:31:40,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11392 states, 7863 states have (on average 1.251176395777693) internal successors, (9838), 8018 states have internal predecessors, (9838), 2886 states have call successors, (2886), 643 states have call predecessors, (2886), 642 states have return successors, (2882), 2826 states have call predecessors, (2882), 2882 states have call successors, (2882) [2022-11-23 03:31:40,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11392 states to 11392 states and 15606 transitions. [2022-11-23 03:31:40,619 INFO L78 Accepts]: Start accepts. Automaton has 11392 states and 15606 transitions. Word has length 403 [2022-11-23 03:31:40,619 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 03:31:40,619 INFO L495 AbstractCegarLoop]: Abstraction has 11392 states and 15606 transitions. [2022-11-23 03:31:40,620 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 12.0) internal successors, (72), 4 states have internal predecessors, (72), 2 states have call successors, (46), 4 states have call predecessors, (46), 1 states have return successors, (44), 2 states have call predecessors, (44), 2 states have call successors, (44) [2022-11-23 03:31:40,620 INFO L276 IsEmpty]: Start isEmpty. Operand 11392 states and 15606 transitions. [2022-11-23 03:31:40,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 409 [2022-11-23 03:31:40,639 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 03:31:40,640 INFO L195 NwaCegarLoop]: trace histogram [28, 28, 24, 24, 24, 24, 24, 24, 13, 12, 12, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 03:31:40,640 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-11-23 03:31:40,640 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 03:31:40,641 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 03:31:40,641 INFO L85 PathProgramCache]: Analyzing trace with hash -460098332, now seen corresponding path program 1 times [2022-11-23 03:31:40,641 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 03:31:40,641 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [867151619] [2022-11-23 03:31:40,641 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 03:31:40,642 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 03:31:40,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:31:41,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-23 03:31:41,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:31:41,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:31:41,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:31:41,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-23 03:31:41,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:31:41,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:31:41,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:31:41,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-11-23 03:31:41,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:31:41,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:31:41,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:31:41,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-11-23 03:31:41,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:31:41,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:31:41,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:31:41,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-11-23 03:31:41,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:31:41,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:31:41,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:31:41,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-11-23 03:31:41,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:31:41,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:31:41,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:31:41,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-11-23 03:31:41,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:31:41,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:31:41,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:31:41,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-11-23 03:31:41,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:31:41,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:31:41,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:31:41,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-11-23 03:31:41,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:31:41,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:31:41,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:31:41,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-11-23 03:31:41,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:31:41,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:31:41,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:31:41,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-11-23 03:31:41,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:31:41,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:31:41,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:31:41,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-11-23 03:31:41,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:31:41,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:31:41,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:31:41,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-11-23 03:31:41,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:31:41,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:31:41,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:31:41,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-11-23 03:31:41,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:31:41,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:31:41,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:31:41,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-11-23 03:31:41,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:31:41,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:31:41,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:31:41,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-11-23 03:31:41,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:31:41,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:31:41,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:31:41,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-11-23 03:31:41,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:31:41,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:31:41,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:31:41,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-11-23 03:31:41,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:31:41,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:31:41,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:31:41,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-11-23 03:31:41,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:31:41,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:31:41,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:31:41,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2022-11-23 03:31:41,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:31:41,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:31:41,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:31:41,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-11-23 03:31:41,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:31:41,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:31:41,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:31:41,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2022-11-23 03:31:41,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:31:41,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:31:41,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:31:41,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2022-11-23 03:31:41,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:31:41,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:31:41,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:31:41,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-11-23 03:31:41,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:31:41,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:31:41,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:31:41,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2022-11-23 03:31:41,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:31:41,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 283 [2022-11-23 03:31:41,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:31:41,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 290 [2022-11-23 03:31:41,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:31:41,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 296 [2022-11-23 03:31:41,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:31:41,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2022-11-23 03:31:41,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:31:41,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:31:41,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:31:41,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 318 [2022-11-23 03:31:41,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:31:41,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 325 [2022-11-23 03:31:41,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:31:41,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 338 [2022-11-23 03:31:41,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:31:41,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2022-11-23 03:31:41,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:31:41,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 349 [2022-11-23 03:31:41,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:31:41,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 354 [2022-11-23 03:31:41,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:31:41,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 359 [2022-11-23 03:31:41,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:31:41,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 364 [2022-11-23 03:31:41,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:31:41,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 369 [2022-11-23 03:31:41,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:31:41,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 374 [2022-11-23 03:31:41,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:31:41,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 379 [2022-11-23 03:31:41,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:31:41,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 384 [2022-11-23 03:31:41,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:31:41,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 389 [2022-11-23 03:31:41,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:31:41,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 394 [2022-11-23 03:31:41,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:31:41,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 399 [2022-11-23 03:31:41,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:31:41,939 INFO L134 CoverageAnalysis]: Checked inductivity of 3112 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 3088 trivial. 0 not checked. [2022-11-23 03:31:41,940 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-23 03:31:41,940 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [867151619] [2022-11-23 03:31:41,943 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [867151619] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 03:31:41,943 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 03:31:41,943 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-23 03:31:41,944 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [337740550] [2022-11-23 03:31:41,944 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 03:31:41,944 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-23 03:31:41,945 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-23 03:31:41,945 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-23 03:31:41,945 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-23 03:31:41,945 INFO L87 Difference]: Start difference. First operand 11392 states and 15606 transitions. Second operand has 6 states, 6 states have (on average 12.0) internal successors, (72), 4 states have internal predecessors, (72), 2 states have call successors, (47), 4 states have call predecessors, (47), 1 states have return successors, (45), 2 states have call predecessors, (45), 2 states have call successors, (45) [2022-11-23 03:31:51,408 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 03:31:51,408 INFO L93 Difference]: Finished difference Result 12702 states and 17715 transitions. [2022-11-23 03:31:51,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-23 03:31:51,408 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 12.0) internal successors, (72), 4 states have internal predecessors, (72), 2 states have call successors, (47), 4 states have call predecessors, (47), 1 states have return successors, (45), 2 states have call predecessors, (45), 2 states have call successors, (45) Word has length 408 [2022-11-23 03:31:51,409 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 03:31:51,464 INFO L225 Difference]: With dead ends: 12702 [2022-11-23 03:31:51,464 INFO L226 Difference]: Without dead ends: 12698 [2022-11-23 03:31:51,474 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 147 GetRequests, 139 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2022-11-23 03:31:51,475 INFO L413 NwaCegarLoop]: 2845 mSDtfsCounter, 4587 mSDsluCounter, 6454 mSDsCounter, 0 mSdLazyCounter, 5317 mSolverCounterSat, 1796 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5001 SdHoareTripleChecker+Valid, 9299 SdHoareTripleChecker+Invalid, 7113 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1796 IncrementalHoareTripleChecker+Valid, 5317 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.5s IncrementalHoareTripleChecker+Time [2022-11-23 03:31:51,475 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5001 Valid, 9299 Invalid, 7113 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1796 Valid, 5317 Invalid, 0 Unknown, 0 Unchecked, 7.5s Time] [2022-11-23 03:31:51,488 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12698 states. [2022-11-23 03:31:52,624 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12698 to 11394. [2022-11-23 03:31:52,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11394 states, 7865 states have (on average 1.2509853782581055) internal successors, (9839), 8019 states have internal predecessors, (9839), 2886 states have call successors, (2886), 644 states have call predecessors, (2886), 642 states have return successors, (2882), 2826 states have call predecessors, (2882), 2882 states have call successors, (2882) [2022-11-23 03:31:52,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11394 states to 11394 states and 15607 transitions. [2022-11-23 03:31:52,665 INFO L78 Accepts]: Start accepts. Automaton has 11394 states and 15607 transitions. Word has length 408 [2022-11-23 03:31:52,666 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 03:31:52,666 INFO L495 AbstractCegarLoop]: Abstraction has 11394 states and 15607 transitions. [2022-11-23 03:31:52,666 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 12.0) internal successors, (72), 4 states have internal predecessors, (72), 2 states have call successors, (47), 4 states have call predecessors, (47), 1 states have return successors, (45), 2 states have call predecessors, (45), 2 states have call successors, (45) [2022-11-23 03:31:52,666 INFO L276 IsEmpty]: Start isEmpty. Operand 11394 states and 15607 transitions. [2022-11-23 03:31:52,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 414 [2022-11-23 03:31:52,689 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 03:31:52,690 INFO L195 NwaCegarLoop]: trace histogram [28, 28, 24, 24, 24, 24, 24, 24, 14, 13, 13, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 03:31:52,690 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-11-23 03:31:52,690 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 03:31:52,691 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 03:31:52,691 INFO L85 PathProgramCache]: Analyzing trace with hash -1138491225, now seen corresponding path program 1 times [2022-11-23 03:31:52,691 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 03:31:52,691 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [371145092] [2022-11-23 03:31:52,691 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 03:31:52,692 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 03:31:52,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:31:53,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-23 03:31:53,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:31:53,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:31:53,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:31:53,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-23 03:31:53,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:31:53,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:31:53,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:31:53,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-11-23 03:31:53,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:31:53,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:31:53,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:31:53,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-11-23 03:31:53,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:31:53,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:31:53,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:31:53,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-11-23 03:31:53,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:31:53,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:31:53,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:31:53,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-11-23 03:31:53,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:31:53,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:31:53,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:31:53,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-11-23 03:31:53,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:31:53,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:31:53,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:31:53,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-11-23 03:31:53,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:31:53,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:31:53,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:31:53,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-11-23 03:31:53,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:31:53,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:31:53,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:31:53,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-11-23 03:31:53,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:31:53,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:31:53,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:31:53,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-11-23 03:31:53,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:31:53,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:31:53,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:31:53,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-11-23 03:31:53,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:31:53,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:31:53,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:31:53,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-11-23 03:31:53,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:31:53,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:31:53,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:31:53,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-11-23 03:31:53,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:31:53,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:31:53,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:31:53,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-11-23 03:31:53,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:31:53,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:31:53,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:31:53,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-11-23 03:31:53,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:31:53,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:31:53,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:31:53,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-11-23 03:31:53,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:31:53,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:31:53,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:31:53,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-11-23 03:31:53,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:31:53,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:31:53,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:31:53,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-11-23 03:31:53,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:31:53,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:31:53,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:31:53,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2022-11-23 03:31:53,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:31:53,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:31:53,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:31:53,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-11-23 03:31:53,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:31:53,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:31:53,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:31:53,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2022-11-23 03:31:53,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:31:53,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:31:53,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:31:53,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2022-11-23 03:31:53,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:31:53,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:31:53,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:31:53,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-11-23 03:31:53,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:31:53,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:31:53,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:31:53,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2022-11-23 03:31:53,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:31:53,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 283 [2022-11-23 03:31:53,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:31:53,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 290 [2022-11-23 03:31:53,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:31:53,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 296 [2022-11-23 03:31:53,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:31:53,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2022-11-23 03:31:53,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:31:53,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:31:53,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:31:53,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 318 [2022-11-23 03:31:53,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:31:53,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 325 [2022-11-23 03:31:53,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:31:53,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 338 [2022-11-23 03:31:53,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:31:53,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2022-11-23 03:31:53,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:31:53,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 349 [2022-11-23 03:31:53,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:31:53,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 354 [2022-11-23 03:31:53,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:31:53,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 359 [2022-11-23 03:31:53,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:31:53,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 364 [2022-11-23 03:31:53,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:31:53,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 369 [2022-11-23 03:31:53,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:31:53,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 374 [2022-11-23 03:31:53,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:31:53,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 379 [2022-11-23 03:31:53,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:31:53,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 384 [2022-11-23 03:31:53,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:31:53,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 389 [2022-11-23 03:31:53,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:31:53,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 394 [2022-11-23 03:31:53,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:31:53,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 399 [2022-11-23 03:31:53,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:31:54,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 404 [2022-11-23 03:31:54,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:31:54,011 INFO L134 CoverageAnalysis]: Checked inductivity of 3162 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 3136 trivial. 0 not checked. [2022-11-23 03:31:54,012 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-23 03:31:54,012 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [371145092] [2022-11-23 03:31:54,012 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [371145092] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 03:31:54,012 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 03:31:54,012 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-23 03:31:54,013 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1634535252] [2022-11-23 03:31:54,013 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 03:31:54,014 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-23 03:31:54,014 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-23 03:31:54,014 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-23 03:31:54,015 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-23 03:31:54,015 INFO L87 Difference]: Start difference. First operand 11394 states and 15607 transitions. Second operand has 6 states, 6 states have (on average 12.0) internal successors, (72), 4 states have internal predecessors, (72), 2 states have call successors, (48), 4 states have call predecessors, (48), 1 states have return successors, (46), 2 states have call predecessors, (46), 2 states have call successors, (46) [2022-11-23 03:32:03,467 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 03:32:03,468 INFO L93 Difference]: Finished difference Result 12698 states and 17711 transitions. [2022-11-23 03:32:03,468 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-23 03:32:03,468 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 12.0) internal successors, (72), 4 states have internal predecessors, (72), 2 states have call successors, (48), 4 states have call predecessors, (48), 1 states have return successors, (46), 2 states have call predecessors, (46), 2 states have call successors, (46) Word has length 413 [2022-11-23 03:32:03,469 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 03:32:03,470 INFO L225 Difference]: With dead ends: 12698 [2022-11-23 03:32:03,470 INFO L226 Difference]: Without dead ends: 0 [2022-11-23 03:32:03,514 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 149 GetRequests, 141 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2022-11-23 03:32:03,515 INFO L413 NwaCegarLoop]: 2851 mSDtfsCounter, 4574 mSDsluCounter, 6464 mSDsCounter, 0 mSdLazyCounter, 5296 mSolverCounterSat, 1797 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4990 SdHoareTripleChecker+Valid, 9315 SdHoareTripleChecker+Invalid, 7093 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1797 IncrementalHoareTripleChecker+Valid, 5296 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.5s IncrementalHoareTripleChecker+Time [2022-11-23 03:32:03,515 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4990 Valid, 9315 Invalid, 7093 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1797 Valid, 5296 Invalid, 0 Unknown, 0 Unchecked, 7.5s Time] [2022-11-23 03:32:03,516 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-23 03:32:03,516 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-23 03:32:03,516 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) [2022-11-23 03:32:03,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-23 03:32:03,519 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 413 [2022-11-23 03:32:03,519 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 03:32:03,520 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-23 03:32:03,520 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 12.0) internal successors, (72), 4 states have internal predecessors, (72), 2 states have call successors, (48), 4 states have call predecessors, (48), 1 states have return successors, (46), 2 states have call predecessors, (46), 2 states have call successors, (46) [2022-11-23 03:32:03,520 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-23 03:32:03,520 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-23 03:32:03,523 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-23 03:32:03,523 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-11-23 03:32:03,525 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-11-23 03:32:36,216 WARN L233 SmtUtils]: Spent 32.52s on a formula simplification. DAG size of input: 94 DAG size of output: 92 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2022-11-23 03:33:08,156 WARN L233 SmtUtils]: Spent 31.94s on a formula simplification. DAG size of input: 91 DAG size of output: 89 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2022-11-23 03:34:12,517 WARN L233 SmtUtils]: Spent 1.07m on a formula simplification. DAG size of input: 99 DAG size of output: 95 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2022-11-23 03:35:09,550 WARN L233 SmtUtils]: Spent 57.03s on a formula simplification. DAG size of input: 97 DAG size of output: 95 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2022-11-23 03:35:37,838 WARN L233 SmtUtils]: Spent 28.20s on a formula simplification. DAG size of input: 91 DAG size of output: 89 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2022-11-23 03:36:07,505 WARN L233 SmtUtils]: Spent 29.67s on a formula simplification. DAG size of input: 94 DAG size of output: 92 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2022-11-23 03:37:04,645 WARN L233 SmtUtils]: Spent 57.14s on a formula simplification. DAG size of input: 97 DAG size of output: 95 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2022-11-23 03:38:03,424 WARN L233 SmtUtils]: Spent 58.78s on a formula simplification. DAG size of input: 99 DAG size of output: 95 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2022-11-23 03:38:33,040 WARN L233 SmtUtils]: Spent 29.60s on a formula simplification. DAG size of input: 94 DAG size of output: 92 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2022-11-23 03:39:01,616 WARN L233 SmtUtils]: Spent 28.57s on a formula simplification. DAG size of input: 91 DAG size of output: 89 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2022-11-23 03:40:01,538 WARN L233 SmtUtils]: Spent 59.92s on a formula simplification. DAG size of input: 99 DAG size of output: 95 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2022-11-23 03:41:07,450 WARN L233 SmtUtils]: Spent 1.10m on a formula simplification. DAG size of input: 97 DAG size of output: 95 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2022-11-23 03:41:39,941 WARN L233 SmtUtils]: Spent 32.49s on a formula simplification. DAG size of input: 91 DAG size of output: 89 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2022-11-23 03:42:15,377 WARN L233 SmtUtils]: Spent 35.43s on a formula simplification. DAG size of input: 94 DAG size of output: 92 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or)